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Wilhelm E, Derosiere G, Quoilin C, Cakiroglu I, Paço S, Raftopoulos C, Nuttin B, Duque J. Subthalamic DBS does not restore deficits in corticospinal suppression during movement preparation in Parkinson's disease. Clin Neurophysiol 2024; 165:107-116. [PMID: 38996612 DOI: 10.1016/j.clinph.2024.06.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2023] [Revised: 03/27/2024] [Accepted: 06/03/2024] [Indexed: 07/14/2024]
Abstract
OBJECTIVE Parkinson's disease (PD) patients exhibit changes in mechanisms underlying movement preparation, particularly the suppression of corticospinal excitability - termed "preparatory suppression" - which is thought to facilitate movement execution in healthy individuals. Deep brain stimulation (DBS) of the subthalamic nucleus (STN) being an attractive treatment for advanced PD, we aimed to study the potential contribution of this nucleus to PD-related changes in such corticospinal dynamics. METHODS On two consecutive days, we applied single-pulse transcranial magnetic stimulation to the primary motor cortex of 20 advanced PD patients treated with bilateral STN-DBS (ON vs. OFF), as well as 20 healthy control subjects. Motor-evoked potentials (MEPs) were elicited at rest or during movement preparation in an instructed-delay choice reaction time task including left- or right-hand responses. Preparatory suppression was assessed by expressing MEPs during movement preparation relative to rest. RESULTS PD patients exhibited a deficit in preparatory suppression when it was probed on the responding hand side, particularly when this corresponded to their most-affected hand, regardless of their STN-DBS status. CONCLUSIONS Advanced PD patients displayed a reduction in preparatory suppression which was not restored by STN-DBS. SIGNIFICANCE The current findings confirm that PD patients lack preparatory suppression, as previously reported. Yet, the fact that this deficit was not responsive to STN-DBS calls for future studies on the neural source of this regulatory mechanism during movement preparation.
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Affiliation(s)
- Emmanuelle Wilhelm
- Institute of Neuroscience, Catholic University of Louvain, 1200 Brussels, Belgium; Department of Adult Neurology, Saint-Luc University Hospital, 1200 Brussels, Belgium.
| | - Gerard Derosiere
- Institute of Neuroscience, Catholic University of Louvain, 1200 Brussels, Belgium
| | - Caroline Quoilin
- Institute of Neuroscience, Catholic University of Louvain, 1200 Brussels, Belgium
| | - Inci Cakiroglu
- Institute of Neuroscience, Catholic University of Louvain, 1200 Brussels, Belgium
| | - Susana Paço
- NOVA IMS, Universidade Nova de Lisboa, 1070-312 Lisbon, Portugal
| | | | - Bart Nuttin
- Department of Neurosurgery, UZ Leuven, 3000 Leuven, Belgium
| | - Julie Duque
- Institute of Neuroscience, Catholic University of Louvain, 1200 Brussels, Belgium
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Thunberg C, Wiker T, Bundt C, Huster RJ. On the (un)reliability of common behavioral and electrophysiological measures from the stop signal task: Measures of inhibition lack stability over time. Cortex 2024; 175:81-105. [PMID: 38508968 DOI: 10.1016/j.cortex.2024.02.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2023] [Revised: 10/31/2023] [Accepted: 02/12/2024] [Indexed: 03/22/2024]
Abstract
Response inhibition, the intentional stopping of planned or initiated actions, is often considered a key facet of control, impulsivity, and self-regulation. The stop signal task is argued to be the purest inhibition task we have, and it is thus central to much work investigating the role of inhibition in areas like development and psychopathology. Most of this work quantifies stopping behavior by calculating the stop signal reaction time as a measure of individual stopping latency. Individual difference studies aiming to investigate why and how stopping latencies differ between people often do this under the assumption that the stop signal reaction time indexes a stable, dispositional trait. However, empirical support for this assumption is lacking, as common measures of inhibition and control tend to show low test-retest reliability and thus appear unstable over time. The reasons for this could be methodological, where low stability is driven by measurement noise, or substantive, where low stability is driven by a larger influence of state-like and situational factors. To investigate this, we characterized the split-half and test-retest reliability of a range of common behavioral and electrophysiological measures derived from the stop signal task. Across three independent studies, different measurement modalities, and a systematic review of the literature, we found a pattern of low temporal stability for inhibition measures and higher stability for measures of manifest behavior and non-inhibitory processing. This pattern could not be explained by measurement noise and low internal consistency. Consequently, response inhibition appears to have mostly state-like and situational determinants, and there is little support for the validity of conceptualizing common inhibition measures as reflecting stable traits.
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Affiliation(s)
- Christina Thunberg
- Multimodal Imaging and Cognitive Control Lab, Department of Psychology, University of Oslo, Oslo, Norway; Cognitive and Translational Neuroscience Cluster, Department of Psychology, University of Oslo, Oslo, Norway.
| | - Thea Wiker
- Norwegian Centre for Mental Disorders Research, Institute of Clinical Medicine, University of Oslo, Oslo, Norway; Research Center for Developmental Processes and Gradients in Mental Health, Department of Psychology, University of Oslo, Oslo, Norway; Department of Psychiatric Research, Diakonhjemmet Hospital, Oslo, Norway
| | - Carsten Bundt
- Multimodal Imaging and Cognitive Control Lab, Department of Psychology, University of Oslo, Oslo, Norway; Cognitive and Translational Neuroscience Cluster, Department of Psychology, University of Oslo, Oslo, Norway
| | - René J Huster
- Multimodal Imaging and Cognitive Control Lab, Department of Psychology, University of Oslo, Oslo, Norway; Cognitive and Translational Neuroscience Cluster, Department of Psychology, University of Oslo, Oslo, Norway
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Cai W, Young CB, Yuan R, Lee B, Ryman S, Kim J, Yang L, Levine TF, Henderson VW, Poston KL, Menon V. Subthalamic nucleus-language network connectivity predicts dopaminergic modulation of speech function in Parkinson's disease. Proc Natl Acad Sci U S A 2024; 121:e2316149121. [PMID: 38768342 PMCID: PMC11145286 DOI: 10.1073/pnas.2316149121] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2023] [Accepted: 04/15/2024] [Indexed: 05/22/2024] Open
Abstract
Speech impediments are a prominent yet understudied symptom of Parkinson's disease (PD). While the subthalamic nucleus (STN) is an established clinical target for treating motor symptoms, these interventions can lead to further worsening of speech. The interplay between dopaminergic medication, STN circuitry, and their downstream effects on speech in PD is not yet fully understood. Here, we investigate the effect of dopaminergic medication on STN circuitry and probe its association with speech and cognitive functions in PD patients. We found that changes in intrinsic functional connectivity of the STN were associated with alterations in speech functions in PD. Interestingly, this relationship was characterized by altered functional connectivity of the dorsolateral and ventromedial subdivisions of the STN with the language network. Crucially, medication-induced changes in functional connectivity between the STN's dorsolateral subdivision and key regions in the language network, including the left inferior frontal cortex and the left superior temporal gyrus, correlated with alterations on a standardized neuropsychological test requiring oral responses. This relation was not observed in the written version of the same test. Furthermore, changes in functional connectivity between STN and language regions predicted the medication's downstream effects on speech-related cognitive performance. These findings reveal a previously unidentified brain mechanism through which dopaminergic medication influences speech function in PD. Our study sheds light into the subcortical-cortical circuit mechanisms underlying impaired speech control in PD. The insights gained here could inform treatment strategies aimed at mitigating speech deficits in PD and enhancing the quality of life for affected individuals.
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Affiliation(s)
- Weidong Cai
- Department of Psychiatry and Behavioral Sciences, Stanford University School of Medicine, Stanford, CA94305
- Wu Tsai Neurosciences Institute, Stanford University School of Medicine, Stanford, CA94305
| | - Christina B. Young
- Department of Neurology and Neurological Sciences, Stanford University School of Medicine, Stanford, CA94305
| | - Rui Yuan
- Department of Psychiatry and Behavioral Sciences, Stanford University School of Medicine, Stanford, CA94305
| | - Byeongwook Lee
- Department of Psychiatry and Behavioral Sciences, Stanford University School of Medicine, Stanford, CA94305
| | - Sephira Ryman
- Department of Neurology and Neurological Sciences, Stanford University School of Medicine, Stanford, CA94305
| | - Jeehyun Kim
- Department of Neurology and Neurological Sciences, Stanford University School of Medicine, Stanford, CA94305
| | - Laurice Yang
- Department of Neurology and Neurological Sciences, Stanford University School of Medicine, Stanford, CA94305
| | - Taylor F. Levine
- Department of Neurology and Neurological Sciences, Stanford University School of Medicine, Stanford, CA94305
| | - Victor W. Henderson
- Wu Tsai Neurosciences Institute, Stanford University School of Medicine, Stanford, CA94305
- Department of Neurology and Neurological Sciences, Stanford University School of Medicine, Stanford, CA94305
- Department of Epidemiology and Population Health, Stanford University School of Medicine, Stanford, CA94305
| | - Kathleen L. Poston
- Wu Tsai Neurosciences Institute, Stanford University School of Medicine, Stanford, CA94305
- Department of Neurology and Neurological Sciences, Stanford University School of Medicine, Stanford, CA94305
- Department of Neurosurgery, Stanford University School of Medicine, Stanford, CA94305
| | - Vinod Menon
- Department of Psychiatry and Behavioral Sciences, Stanford University School of Medicine, Stanford, CA94305
- Wu Tsai Neurosciences Institute, Stanford University School of Medicine, Stanford, CA94305
- Department of Neurology and Neurological Sciences, Stanford University School of Medicine, Stanford, CA94305
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Willett A, Wylie SA, Bowersock JL, Dawant BM, Rodriguez W, Ugiliweneza B, Neimat JS, van Wouwe NC. Focused stimulation of dorsal versus ventral subthalamic nucleus enhances action-outcome learning in patients with Parkinson's disease. Brain Commun 2024; 6:fcae111. [PMID: 38646144 PMCID: PMC11032193 DOI: 10.1093/braincomms/fcae111] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2023] [Revised: 02/01/2024] [Accepted: 04/01/2024] [Indexed: 04/23/2024] Open
Abstract
Deep brain stimulation of the subthalamic nucleus is an effective treatment for the clinical motor symptoms of Parkinson's disease, but may alter the ability to learn contingencies between stimuli, actions and outcomes. We investigated how stimulation of the functional subregions in the subthalamic nucleus (motor and cognitive regions) modulates stimulus-action-outcome learning in Parkinson's disease patients. Twelve Parkinson's disease patients with deep brain stimulation of the subthalamic nucleus completed a probabilistic stimulus-action-outcome task while undergoing ventral and dorsal subthalamic nucleus stimulation (within subjects, order counterbalanced). The task orthogonalized action choice and outcome valence, which created four action-outcome learning conditions: action-reward, inhibit-reward, action-punishment avoidance and inhibit-punishment avoidance. We compared the effects of deep brain stimulation on learning rates across these conditions as well as on computed Pavlovian learning biases. Dorsal stimulation was associated with higher overall learning proficiency relative to ventral subthalamic nucleus stimulation. Compared to ventral stimulation, stimulating the dorsal subthalamic nucleus led to a particular advantage in learning to inhibit action to produce desired outcomes (gain reward or avoid punishment) as well as better learning proficiency across all conditions providing reward opportunities. The Pavlovian reward bias was reduced with dorsal relative to ventral subthalamic nucleus stimulation, which was reflected by improved inhibit-reward learning. Our results show that focused stimulation in the dorsal compared to the ventral subthalamic nucleus is relatively more favourable for learning action-outcome contingencies and reduces the Pavlovian bias that could lead to reward-driven behaviour. Considering the effects of deep brain stimulation of the subthalamic nucleus on learning and behaviour could be important when optimizing stimulation parameters to avoid side effects like impulsive reward-driven behaviour.
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Affiliation(s)
- Andrew Willett
- Department of Neurological Surgery, University of Louisville, Louisville, KY 40202, USA
| | - Scott A Wylie
- Department of Neurological Surgery, University of Louisville, Louisville, KY 40202, USA
| | - Jessica L Bowersock
- Department of Neurological Surgery, University of Louisville, Louisville, KY 40202, USA
| | - Benoit M Dawant
- Department of Electrical and Computer Engineering, Vanderbilt University, Nashville, TN 37235, USA
| | - William Rodriguez
- Department of Electrical and Computer Engineering, Vanderbilt University, Nashville, TN 37235, USA
| | - Beatrice Ugiliweneza
- Department of Neurological Surgery, University of Louisville, Louisville, KY 40202, USA
| | - Joseph S Neimat
- Department of Neurological Surgery, University of Louisville, Louisville, KY 40202, USA
| | - Nelleke C van Wouwe
- Department of Neurological Surgery, University of Louisville, Louisville, KY 40202, USA
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Wüthrich F, Lefebvre S, Mittal VA, Shankman SA, Alexander N, Brosch K, Flinkenflügel K, Goltermann J, Grotegerd D, Hahn T, Jamalabadi H, Jansen A, Leehr EJ, Meinert S, Nenadić I, Nitsch R, Stein F, Straube B, Teutenberg L, Thiel K, Thomas-Odenthal F, Usemann P, Winter A, Dannlowski U, Kircher T, Walther S. The neural signature of psychomotor disturbance in depression. Mol Psychiatry 2024; 29:317-326. [PMID: 38036604 PMCID: PMC11116107 DOI: 10.1038/s41380-023-02327-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/23/2023] [Revised: 10/28/2023] [Accepted: 11/13/2023] [Indexed: 12/02/2023]
Abstract
Up to 70% of patients with major depressive disorder present with psychomotor disturbance (PmD), but at the present time understanding of its pathophysiology is limited. In this study, we capitalized on a large sample of patients to examine the neural correlates of PmD in depression. This study included 820 healthy participants and 699 patients with remitted (n = 402) or current (n = 297) depression. Patients were further categorized as having psychomotor retardation, agitation, or no PmD. We compared resting-state functional connectivity (ROI-to-ROI) between nodes of the cerebral motor network between the groups, including primary motor cortex, supplementary motor area, sensory cortex, superior parietal lobe, caudate, putamen, pallidum, thalamus, and cerebellum. Additionally, we examined network topology of the motor network using graph theory. Among the currently depressed 55% had PmD (15% agitation, 29% retardation, and 11% concurrent agitation and retardation), while 16% of the remitted patients had PmD (8% retardation and 8% agitation). When compared with controls, currently depressed patients with PmD showed higher thalamo-cortical and pallido-cortical connectivity, but no network topology alterations. Currently depressed patients with retardation only had higher thalamo-cortical connectivity, while those with agitation had predominant higher pallido-cortical connectivity. Currently depressed patients without PmD showed higher thalamo-cortical, pallido-cortical, and cortico-cortical connectivity, as well as altered network topology compared to healthy controls. Remitted patients with PmD showed no differences in single connections but altered network topology, while remitted patients without PmD did not differ from healthy controls in any measure. We found evidence for compensatory increased cortico-cortical resting-state functional connectivity that may prevent psychomotor disturbance in current depression, but may perturb network topology. Agitation and retardation show specific connectivity signatures. Motor network topology is slightly altered in remitted patients arguing for persistent changes in depression. These alterations in functional connectivity may be addressed with non-invasive brain stimulation.
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Affiliation(s)
- Florian Wüthrich
- Translational Research Center, University Hospital of Psychiatry and Psychotherapy, University of Bern, Bern, Switzerland.
- Graduate School of Health Science, University of Bern, Bern, Switzerland.
| | - Stephanie Lefebvre
- Translational Research Center, University Hospital of Psychiatry and Psychotherapy, University of Bern, Bern, Switzerland.
| | - Vijay A Mittal
- Department of Psychiatry and Behavioral Sciences, Northwestern University, Chicago, IL, USA
- Department of Psychology, Northwestern University, Evanston, IL, USA
- Northwestern University, Institute for Innovations in Developmental Sciences, Evanston/Chicago, IL, USA
- Northwestern University, Institute for Policy Research, Evanston, IL, USA
- Northwestern University, Medical Social Sciences, Chicago, IL, USA
| | - Stewart A Shankman
- Department of Psychiatry and Behavioral Sciences, Northwestern University, Chicago, IL, USA
- Department of Psychology, Northwestern University, Evanston, IL, USA
| | - Nina Alexander
- Department of Psychiatry and Psychotherapy, University of Marburg, Marburg, Germany
| | - Katharina Brosch
- Department of Psychiatry and Psychotherapy, University of Marburg, Marburg, Germany
- Center for Mind, Brain and Behavior (CMBB), University of Marburg, Marburg, Germany
| | - Kira Flinkenflügel
- Institute for Translational Psychiatry, University of Münster, Münster, Germany
| | - Janik Goltermann
- Institute for Translational Psychiatry, University of Münster, Münster, Germany
| | - Dominik Grotegerd
- Institute for Translational Psychiatry, University of Münster, Münster, Germany
| | - Tim Hahn
- Institute for Translational Psychiatry, University of Münster, Münster, Germany
| | - Hamidreza Jamalabadi
- Department of Psychiatry and Psychotherapy, University of Marburg, Marburg, Germany
| | - Andreas Jansen
- Department of Psychiatry and Psychotherapy, University of Marburg, Marburg, Germany
- Center for Mind, Brain and Behavior (CMBB), University of Marburg, Marburg, Germany
- Core-Facility Brain imaging, Faculty of Medicine, University of Marburg, Marburg, Germany
| | - Elisabeth J Leehr
- Institute for Translational Psychiatry, University of Münster, Münster, Germany
| | - Susanne Meinert
- Institute for Translational Psychiatry, University of Münster, Münster, Germany
- Institute for Translational Neuroscience, University of Münster, Münster, Germany
| | - Igor Nenadić
- Department of Psychiatry and Psychotherapy, University of Marburg, Marburg, Germany
- Center for Mind, Brain and Behavior (CMBB), University of Marburg, Marburg, Germany
| | - Robert Nitsch
- Institute for Translational Neuroscience, University of Münster, Münster, Germany
| | - Frederike Stein
- Department of Psychiatry and Psychotherapy, University of Marburg, Marburg, Germany
- Center for Mind, Brain and Behavior (CMBB), University of Marburg, Marburg, Germany
| | - Benjamin Straube
- Department of Psychiatry and Psychotherapy, University of Marburg, Marburg, Germany
- Center for Mind, Brain and Behavior (CMBB), University of Marburg, Marburg, Germany
| | - Lea Teutenberg
- Department of Psychiatry and Psychotherapy, University of Marburg, Marburg, Germany
- Center for Mind, Brain and Behavior (CMBB), University of Marburg, Marburg, Germany
| | - Katharina Thiel
- Institute for Translational Psychiatry, University of Münster, Münster, Germany
| | - Florian Thomas-Odenthal
- Department of Psychiatry and Psychotherapy, University of Marburg, Marburg, Germany
- Center for Mind, Brain and Behavior (CMBB), University of Marburg, Marburg, Germany
| | - Paula Usemann
- Department of Psychiatry and Psychotherapy, University of Marburg, Marburg, Germany
- Center for Mind, Brain and Behavior (CMBB), University of Marburg, Marburg, Germany
| | - Alexandra Winter
- Institute for Translational Psychiatry, University of Münster, Münster, Germany
| | - Udo Dannlowski
- Institute for Translational Psychiatry, University of Münster, Münster, Germany
| | - Tilo Kircher
- Department of Psychiatry and Psychotherapy, University of Marburg, Marburg, Germany
- Center for Mind, Brain and Behavior (CMBB), University of Marburg, Marburg, Germany
| | - Sebastian Walther
- Translational Research Center, University Hospital of Psychiatry and Psychotherapy, University of Bern, Bern, Switzerland
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Coizet V, Al Tannir R, Pautrat A, Overton PG. Separation of Channels Subserving Approach and Avoidance/Escape at the Level of the Basal Ganglia and Related Brainstem Structures. Curr Neuropharmacol 2024; 22:1473-1490. [PMID: 37594168 PMCID: PMC11097992 DOI: 10.2174/1570159x21666230818154903] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2022] [Revised: 03/23/2023] [Accepted: 03/29/2023] [Indexed: 08/19/2023] Open
Abstract
The basal ganglia have the key function of directing our behavior in the context of events from our environment and/or our internal state. This function relies on afferents targeting the main input structures of the basal ganglia, entering bids for action selection at the level of the striatum or signals for behavioral interruption at the level of the subthalamic nucleus, with behavioral reselection facilitated by dopamine signaling. Numerous experiments have studied action selection in relation to inputs from the cerebral cortex. However, less is known about the anatomical and functional link between the basal ganglia and the brainstem. In this review, we describe how brainstem structures also project to the main input structures of the basal ganglia, namely the striatum, the subthalamic nucleus and midbrain dopaminergic neurons, in the context of approach and avoidance (including escape from threat), two fundamental, mutually exclusive behavioral choices in an animal's repertoire in which the brainstem is strongly involved. We focus on three particularly well-described loci involved in approach and avoidance, namely the superior colliculus, the parabrachial nucleus and the periaqueductal grey nucleus. We consider what is known about how these structures are related to the basal ganglia, focusing on their projections toward the striatum, dopaminergic neurons and subthalamic nucleus, and explore the functional consequences of those interactions.
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Affiliation(s)
- Véronique Coizet
- Grenoble Institute of Neuroscience, University Grenoble Alpes, Bâtiment E.J. Safra - Chemin Fortuné Ferrini - 38700 La Tronche France;
| | - Racha Al Tannir
- Grenoble Institute of Neuroscience, University Grenoble Alpes, Bâtiment E.J. Safra - Chemin Fortuné Ferrini - 38700 La Tronche France;
| | - Arnaud Pautrat
- Grenoble Institute of Neuroscience, University Grenoble Alpes, Bâtiment E.J. Safra - Chemin Fortuné Ferrini - 38700 La Tronche France;
| | - Paul G. Overton
- Department of Psychology, University of Sheffield, Sheffield, United Kingdom
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Hoy CW, de Hemptinne C, Wang SS, Harmer CJ, Apps MAJ, Husain M, Starr PA, Little S. Beta and theta oscillations track effort and previous reward in human basal ganglia and prefrontal cortex during decision making. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.12.05.570285. [PMID: 38106063 PMCID: PMC10723308 DOI: 10.1101/2023.12.05.570285] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/19/2023]
Abstract
Choosing whether to exert effort to obtain rewards is fundamental to human motivated behavior. However, the neural dynamics underlying the evaluation of reward and effort in humans is poorly understood. Here, we investigate this with chronic intracranial recordings from prefrontal cortex (PFC) and basal ganglia (BG; subthalamic nuclei and globus pallidus) in people with Parkinson's disease performing a decision-making task with offers that varied in levels of reward and physical effort required. This revealed dissociable neural signatures of reward and effort, with BG beta (12-20 Hz) oscillations tracking subjective effort on a single trial basis and PFC theta (4-7 Hz) signaling previous trial reward. Stimulation of PFC increased overall acceptance of offers in addition to increasing the impact of reward on choices. This work uncovers oscillatory mechanisms that guide fundamental decisions to exert effort for reward across BG and PFC, as well as supporting a causal role of PFC for such choices.
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Affiliation(s)
- Colin W. Hoy
- Department of Neurology, University of California, San Francisco, San Francisco, CA, USA
| | - Coralie de Hemptinne
- Norman Fixel Institute for Neurological Diseases, University of Florida, Gainesville, FL, USA
- Department of Neurology, University of Florida, Gainesville, FL, USA
| | - Sarah S. Wang
- Department of Neurology, University of California, San Francisco, San Francisco, CA, USA
| | | | - Mathew A. J. Apps
- Department of Experimental Psychology, University of Oxford, Oxford, UK
- Institute for Mental Health, School of Psychology, University of Birmingham, Birmingham, UK
| | - Masud Husain
- Department of Experimental Psychology, University of Oxford, Oxford, UK
- Nuffield Department of Clinical Neurosciences, University of Oxford, Oxford, UK
| | - Philip A. Starr
- Department of Neurological Surgery, University of California, San Francisco, San Francisco, CA, USA
| | - Simon Little
- Department of Neurology, University of California, San Francisco, San Francisco, CA, USA
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Li H, Zhang X, Yang Y, Xie A. Abnormal eye movements in Parkinson's disease: From experimental study to clinical application. Parkinsonism Relat Disord 2023; 115:105791. [PMID: 37537120 DOI: 10.1016/j.parkreldis.2023.105791] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/15/2023] [Revised: 07/24/2023] [Accepted: 07/28/2023] [Indexed: 08/05/2023]
Abstract
Parkinson's disease (PD) is a neurodegenerative disease that integrates a series of motor symptoms and non-motor symptoms, making early recognition challenging. The exploration of biomarkers is urgently required. Abnormal eye movements in PD have been reported to appear in a variety of ways since eye tracking technology was developed, such as decreased saccade amplitude, extended saccade latency, and unique saccade patterns. Non-invasive, objective and simple eye tracking has the potential to provide effective biomarkers for the PD diagnosis, progression and cognitive impairment, as well as ideas for research into the occurrence and treatment strategy of motor symptoms. In this review, we introduced the fundamental eye movement patterns and typical eye movement paradigms (such as fixation, pro-saccade, anti-saccade, smooth tracking, and visual search), summarized the symptoms of various ocular motor abnormalities in PD, and discussed the research implications of oculomotor investigation to the pathogenesis of PD and related motor symptoms, as well as the clinical implications as biomarkers and its inspiration on treatment.
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Affiliation(s)
- Han Li
- Department of Neurology, Affiliated Hospital of Qingdao University, Qingdao University, Qingdao, China.
| | - Xue Zhang
- Department of Neurology, Affiliated Qingdao Central Hospital of Qingdao University, Qingdao Cancer Hospital, Qingdao, China
| | - Yong Yang
- Department of Neurology, Affiliated Hospital of Qingdao University, Qingdao University, Qingdao, China
| | - Anmu Xie
- Department of Neurology, Affiliated Hospital of Qingdao University, Qingdao University, Qingdao, China; The Cerebral Vascular Disease Institute, Qingdao University, Qingdao, China.
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Yun SJ, Hyun SE, Oh BM, Seo HG. Fully immersive virtual reality exergames with dual-task components for patients with Parkinson's disease: a feasibility study. J Neuroeng Rehabil 2023; 20:92. [PMID: 37464349 PMCID: PMC10355082 DOI: 10.1186/s12984-023-01215-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2022] [Accepted: 07/10/2023] [Indexed: 07/20/2023] Open
Abstract
BACKGROUND Dual-task training in Parkinson's disease (PD) improves spatiotemporal gait parameters, cognition, and quality of life. Virtual reality (VR) has been used as a therapeutic tool for patients to participate in activities in a safe environment, engage in multisensory experiences, and improve motivation and interest in rehabilitation. This study aimed to investigate the feasibility of fully immersive VR exergames with dual-task components in patients with PD. METHODS We developed VR exergames (go/no-go punch game, go/no-go stepping game, and number punch game) to improve habitual behavior control using motor-cognitive dual-task performance in patients with PD. The participants underwent 10 sessions 2-3 times a week, consisting of 30 min per session. The Unified Parkinson's Disease Rating Scale, Timed Up and Go test (TUG) under single- and dual-task (cognitive and physical) conditions, Berg balance scale (BBS), Stroop test, trail-making test, and digit span were evaluated before and after intervention. The Simulator Sickness Questionnaire (SSQ) was used to assess VR cybersickness. Usability was assessed using a self-reported questionnaire. RESULTS Twelve patients were enrolled and completed the entire training session. The mean age of participants was 73.83 ± 6.09 years; mean disease duration was 128.83 ± 76.96 months. The Hoehn and Yahr stages were 2.5 in seven patients and 3 in five patients. A significant improvement was observed in BBS and Stroop color-word test (p = 0.047 and p = 0.003, respectively). TUG time and dual-task interferences showed positive changes, but these changes were not statistically significant. The median SSQ total score was 28.05 (IQR: 29.92), 13.09 (IQR: 11.22), and 35.53 (IQR: 52.36) before, after the first session, and after the final session, respectively; the differences were not significant. Overall satisfaction with the intervention was 6.0 (IQR: 1.25) on a 7-point Likert-type scale. CONCLUSIONS Fully immersive VR exergames combined with physical and cognitive tasks may be used for rehabilitation of patients with PD without causing serious adverse effects. Furthermore, the exergames using dual-task components improved executive function and balance. Further development of VR training content may be needed to improve motor and dual-task performances. Trial registration NCT04787549 ( https://clinicaltrials.gov/ct2/show/NCT04787549 ).
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Affiliation(s)
- Seo Jung Yun
- Department of Rehabilitation Medicine, Seoul National University College of Medicine, Seoul National University Hospital, Seoul, Republic of Korea
- Department of Human Systems Medicine, Seoul National University College of Medicine, Seoul, Republic of Korea
| | - Sung Eun Hyun
- Department of Rehabilitation Medicine, Seoul National University College of Medicine, Seoul National University Hospital, Seoul, Republic of Korea
| | - Byung-Mo Oh
- Department of Rehabilitation Medicine, Seoul National University College of Medicine, Seoul National University Hospital, Seoul, Republic of Korea
- National Traffic Injury Rehabilitation Hospital, Yangpyeong, Republic of Korea
| | - Han Gil Seo
- Department of Rehabilitation Medicine, Seoul National University College of Medicine, Seoul National University Hospital, Seoul, Republic of Korea.
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10
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Zhao Z, Gobrogge K. Neurodevelopmental Model Explaining Associations between Sex Hormones, Personality, and Eating Pathology. Brain Sci 2023; 13:859. [PMID: 37371339 DOI: 10.3390/brainsci13060859] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2023] [Revised: 05/22/2023] [Accepted: 05/22/2023] [Indexed: 06/29/2023] Open
Abstract
Clinical scientists have been investigating the relationships between sex hormones, personality, and eating disorders for decades. However, there is a lack of direct research that addresses whether personality mediates or moderates the relationships between sex hormones and eating pathology. Moreover, the neural mechanisms that underlie the interactive associations between these variables remain unclear. This review aims to summarize the associations between these constructs, describe a neural mechanism mediating these relationships, and offer clinical strategies for the early identification and intervention of eating disorders. The gathered evidence shows that aggressiveness, impulsivity, and obsessive-compulsiveness may mediate or moderate the relationships between sex hormones and eating pathology, but only among females. Furthermore, sex hormone receptor density in the mesocorticolimbic dopamine pathway may explain the neural mechanism of these associations. Future research should use more comprehensive personality measurements and assess the mediation and moderation effects of temperament while taking the hormone levels of women across menstrual cycles into account. Additionally, electroencephalography and functional magnetic resonance imaging should be implemented to directly assess brain activity and corroborate these findings.
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Affiliation(s)
- Ziyu Zhao
- Department of Psychological & Brain Sciences, Boston University, Boston, MA 02215, USA
| | - Kyle Gobrogge
- Department of Psychological & Brain Sciences, Boston University, Boston, MA 02215, USA
- Undergraduate Program in Neuroscience, College of Art & Sciences, Boston University, Boston, MA 02215, USA
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11
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Pasquereau B, Turner RS. Neural dynamics underlying self-control in the primate subthalamic nucleus. eLife 2023; 12:e83971. [PMID: 37204300 PMCID: PMC10259453 DOI: 10.7554/elife.83971] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2022] [Accepted: 05/18/2023] [Indexed: 05/20/2023] Open
Abstract
The subthalamic nucleus (STN) is hypothesized to play a central role in neural processes that regulate self-control. Still uncertain, however, is how that brain structure participates in the dynamically evolving estimation of value that underlies the ability to delay gratification and wait patiently for a gain. To address that gap in knowledge, we studied the spiking activity of neurons in the STN of monkeys during a task in which animals were required to remain motionless for varying periods of time in order to obtain food reward. At the single-neuron and population levels, we found a cost-benefit integration between the desirability of the expected reward and the imposed delay to reward delivery, with STN signals that dynamically combined both attributes of the reward to form a single integrated estimate of value. This neural encoding of subjective value evolved dynamically across the waiting period that intervened after instruction cue. Moreover, this encoding was distributed inhomogeneously along the antero-posterior axis of the STN such that the most dorso-posterior-placed neurons represented the temporal discounted value most strongly. These findings highlight the selective involvement of the dorso-posterior STN in the representation of temporally discounted rewards. The combination of rewards and time delays into an integrated representation is essential for self-control, the promotion of goal pursuit, and the willingness to bear the costs of time delays.
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Affiliation(s)
- Benjamin Pasquereau
- Institut des Sciences Cognitives Marc Jeannerod, UMR 5229, Centre National de la Recherche Scientifique, 69675 Bron CedexBronFrance
- Université Claude Bernard Lyon 1, 69100 VilleurbanneVilleurbanneFrance
| | - Robert S Turner
- Department of Neurobiology, Center for Neuroscience and The Center for the Neural Basis of Cognition, University of PittsburghPittsburghUnited States
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12
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Zacharia A, Kaski D, Bouthour W, Dayal V, Bereau M, Mahlknecht P, Georgiev D, Péron J, Foltynie T, Zrinzo L, Jahanshahi M, Rothwell J, Limousin P. Effects of deep brain stimulation frequency on eye movements and cognitive control. NPJ Parkinsons Dis 2023; 9:50. [PMID: 37002261 PMCID: PMC10066205 DOI: 10.1038/s41531-023-00470-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2022] [Accepted: 02/06/2023] [Indexed: 04/03/2023] Open
Abstract
Deep brain stimulation (DBS) of the subthalamic nucleus (STN) is an effective treatment for Parkinson's disease (PD). Varying the frequency DBS has differential effects on axial and distal limb functions, suggesting differing modulation of relevant pathways. The STN is also a critical node in oculomotor and associative networks, but the effect of stimulation frequency on these networks remains unknown. This study aimed to investigate the effects of 80 hz vs. 130 Hz frequency STN-DBS on eye movements and executive control. Twenty-one STN-DBS PD patients receiving 130 Hz vs. 80 Hz stimulation were compared to a healthy control group (n = 16). All participants were tested twice in a double-blind manner. We examined prosaccades (latency and gain) and antisaccades (latency of correct and incorrect antisaccades, error rate and gain of the correct antisaccades). Executive function was tested with the Stroop task. The motor condition was assessed using Unified Parkinson's Disease Rating Scale part III. The antisaccadic error rate was higher in patients (p = 0.0113), more so in patients on 80 Hz compared to 130 Hz (p = 0.001) stimulation. The differences between patients and controls and between frequencies for all other eye-movements or cognitive measures were not statistically significant. We show that 80 Hz STN-DBS in PD reduces the ability to maintain stable fixation but does not alter inhibition, resulting in a higher antisaccade error rate presumably due to less efficient fixation, without altering the motor state. This provides a wider range of stimulation parameters that can reduce specific DBS-related effects without affecting motor outcomes.
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Affiliation(s)
- André Zacharia
- Department of Clinical and Movement Neurosciences, UCL Queen Square Institute of Neurology, The National Hospital for Neurology and Neurosurgery, London, UK
- Department of Neurology, Geneva University Hospitals, Geneva, Switzerland
- Department of Neurology, Clinique Bernoise Montana, Crans-, Montana, Switzerland
- Service of Neurology, Department of Clinical Neurosciences, Lausanne University Hospital and University of Lausanne, Lausanne, Switzerland
| | - Diego Kaski
- Department of Clinical and Movement Neurosciences, UCL Queen Square Institute of Neurology, The National Hospital for Neurology and Neurosurgery, London, UK
| | - Walid Bouthour
- Department of Neurology, Geneva University Hospitals, Geneva, Switzerland
| | - Viswas Dayal
- Department of Clinical and Movement Neurosciences, UCL Queen Square Institute of Neurology, The National Hospital for Neurology and Neurosurgery, London, UK
| | - Matthieu Bereau
- Department of Neurology, Besançon University Hospital, Besançon, France
| | - Philipp Mahlknecht
- Department of Neurology, Innsbruck Medical University, Innsbruck, Austria
| | - Dejan Georgiev
- Department of Clinical and Movement Neurosciences, UCL Queen Square Institute of Neurology, The National Hospital for Neurology and Neurosurgery, London, UK
- Department of Neurology, University Medical Centre, Ljubljana, Slovenia
| | - Julie Péron
- Department of Neurology, Geneva University Hospitals, Geneva, Switzerland
| | - Tom Foltynie
- Department of Clinical and Movement Neurosciences, UCL Queen Square Institute of Neurology, The National Hospital for Neurology and Neurosurgery, London, UK
| | - Ludvic Zrinzo
- Department of Clinical and Movement Neurosciences, UCL Queen Square Institute of Neurology, The National Hospital for Neurology and Neurosurgery, London, UK
| | - Marjan Jahanshahi
- Department of Clinical and Movement Neurosciences, UCL Queen Square Institute of Neurology, The National Hospital for Neurology and Neurosurgery, London, UK
| | - John Rothwell
- Department of Clinical and Movement Neurosciences, UCL Queen Square Institute of Neurology, The National Hospital for Neurology and Neurosurgery, London, UK
| | - Patricia Limousin
- Department of Clinical and Movement Neurosciences, UCL Queen Square Institute of Neurology, The National Hospital for Neurology and Neurosurgery, London, UK.
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13
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Hell F, Eißner A, Mehrkens JH, Bötzel K. Subthalamic oscillatory activity during normal and impaired speech. Clin Neurophysiol 2023; 149:42-50. [PMID: 36893498 DOI: 10.1016/j.clinph.2023.02.166] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2021] [Revised: 01/16/2023] [Accepted: 02/15/2023] [Indexed: 03/09/2023]
Abstract
OBJECTIVE We studied the relationship between oscillatory activity in the subthalamic nucleus (STN) and speech production in order to better understand the functional role of the STN. METHODS We simultaneously recorded subthalamic local field potentials and audio recordings from 5 patients with Parkinson's disease while they performed verbal fluency tasks. We then analyzed the oscillatory signals present in the subthalamic nucleus during these tasks. RESULTS We report that normal speech leads to a suppression of subthalamic alpha and beta power. Contrarily, a patient with motor blocks during speech initiation showed a low beta power increase. We also report an increase in error rates in the phonemic non-alternating verbal fluency task during deep brain stimulation (DBS). CONCLUSIONS We confirm previous findings that intact speech leads to desynchronization in the beta range in the STN. The speech related narrowband beta power increase in a patient with speech problems suggests that exaggerated synchronization in this frequency band is associated with motor blocks during speech initiation. The increased number of errors in verbal fluency tasks during DBS might be caused by an impairment of the response inhibition network caused by stimulation of the STN. SIGNIFICANCE We suggest that the inability to attenuate beta activity during motor processes is associated with motor freezing across motor behaviours such as speech and gait, as previously shown for freezing of gait.
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Affiliation(s)
- Franz Hell
- Department of Neurology, Ludwig-Maximilians-Universität München, Marchioninistr. 15, 81377 Munich, Germany; Graduate School of Systemic Neurosciences, Ludwig-Maximilians-Universität München, Grosshadernerstr. 2, 82152 Martinsried, Germany.
| | - Annika Eißner
- Department of Neurology, Ludwig-Maximilians-Universität München, Marchioninistr. 15, 81377 Munich, Germany
| | - Jan H Mehrkens
- Department of Neurosurgery, Ludwig-Maximilians-Universität München, Marchioninistr. 15, 81377 Munich, Germany
| | - Kai Bötzel
- Department of Neurology, Ludwig-Maximilians-Universität München, Marchioninistr. 15, 81377 Munich, Germany; Graduate School of Systemic Neurosciences, Ludwig-Maximilians-Universität München, Grosshadernerstr. 2, 82152 Martinsried, Germany
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14
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Mameli F, Ruggiero F, Dini M, Marceglia S, Prenassi M, Borellini L, Cogiamanian F, Pirola E, Remore LG, Fiore G, Reitano MR, Maiorana N, Poletti B, Locatelli M, Barbieri S, Priori A, Ferrucci R. Energy Delivered by Subthalamic Deep Brain Stimulation for Parkinson Disease Correlates With Depressive Personality Trait Shift. Neuromodulation 2023; 26:394-402. [PMID: 35221204 DOI: 10.1016/j.neurom.2022.01.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2021] [Revised: 12/09/2021] [Accepted: 01/07/2022] [Indexed: 02/07/2023]
Abstract
OBJECTIVES Despite the large amount of literature examining the potential influence of subthalamic nucleus deep brain stimulation (STN-DBS) on psychiatric symptoms and cognitive disorders, only a few studies have focused on its effect on personality. We investigated the correlation between total electrical energy delivered (TEED) and the occurrence of depressive traits in patients with Parkinson disease (PD) after one year of DBS. MATERIALS AND METHODS Our study involved 20 patients with PD (12 women, mean [±SD] age 57.60 ± 7.63 years) who underwent bilateral STN-DBS, whose personality characteristics were assessed using the Minnesota Multiphasic Personality Inventory-2 (MMPI-2), according to the core assessment program for surgical interventional therapies in Parkinson's disease (CAPSIT-PD) procedure. RESULTS We found that despite a marked improvement in motor functions and quality of life after 12 months, patients showed a significant increase in MMPI-2 subscales for depression (D scale and Depression scale) and in other content component scales (low self-esteem, work interference, and negative treatment indicators). Interestingly, only the TEED on the right side was inversely correlated with the changes in scale D (rs = -0.681, p = 0.007), whereas depressive traits did not correlate with disease duration, levodopa equivalent daily dose (LEDD) reduction, patient's age, or severity of motor symptoms. CONCLUSIONS Our preliminary observations indicate that despite the excellent motor outcome and general improvement in quality of life, DBS treatment can result in patients poorly adjusting to their personal, familiar, and socio-professional life. Different influences and multiple factors (such as TEED, intra/postsurgical procedure, coping mechanisms, and outcome expectations) may affect depressive traits. Further advances are expected to improve stimulation methods.
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Affiliation(s)
- Francesca Mameli
- Foundation IRCCS Ca' Granda Ospedale Maggiore Policlinico, Department of Neuroscience and Mental Health, Milan, Italy
| | - Fabiana Ruggiero
- Foundation IRCCS Ca' Granda Ospedale Maggiore Policlinico, Department of Neuroscience and Mental Health, Milan, Italy
| | - Michelangelo Dini
- "Aldo Ravelli" Center for Neurotechnology and Experimental Brain Therapeutics, Department of Health Sciences, University of Milan, Milan, Italy
| | - Sara Marceglia
- Department of Engineering and Architecture, University of Trieste, Trieste, Italy
| | - Marco Prenassi
- Department of Engineering and Architecture, University of Trieste, Trieste, Italy
| | - Linda Borellini
- Foundation IRCCS Ca' Granda Ospedale Maggiore Policlinico, Department of Neuroscience and Mental Health, Milan, Italy
| | - Filippo Cogiamanian
- Foundation IRCCS Ca' Granda Ospedale Maggiore Policlinico, Department of Neuroscience and Mental Health, Milan, Italy
| | - Elena Pirola
- Foundation IRCCS Ca' Granda Ospedale Maggiore Policlinico, Department of Neuroscience and Mental Health, Milan, Italy
| | - Luigi Gianmaria Remore
- Foundation IRCCS Ca' Granda Ospedale Maggiore Policlinico, Department of Neuroscience and Mental Health, Milan, Italy
| | - Giorgio Fiore
- Foundation IRCCS Ca' Granda Ospedale Maggiore Policlinico, Department of Neuroscience and Mental Health, Milan, Italy
| | - Maria Rita Reitano
- Neurology Unit I, San Paolo University Hospital, ASST Santi Paolo e Carlo, Milan, Italy
| | - Natale Maiorana
- "Aldo Ravelli" Center for Neurotechnology and Experimental Brain Therapeutics, Department of Health Sciences, University of Milan, Milan, Italy
| | - Barbara Poletti
- Department of Neurology and Laboratory of Neuroscience, IRCCS Istituto Auxologico Italiano, Milan, Italy
| | - Marco Locatelli
- Foundation IRCCS Ca' Granda Ospedale Maggiore Policlinico, Department of Neuroscience and Mental Health, Milan, Italy
| | - Sergio Barbieri
- Foundation IRCCS Ca' Granda Ospedale Maggiore Policlinico, Department of Neuroscience and Mental Health, Milan, Italy
| | - Alberto Priori
- "Aldo Ravelli" Center for Neurotechnology and Experimental Brain Therapeutics, Department of Health Sciences, University of Milan, Milan, Italy; Neurology Unit I, San Paolo University Hospital, ASST Santi Paolo e Carlo, Milan, Italy
| | - Roberta Ferrucci
- "Aldo Ravelli" Center for Neurotechnology and Experimental Brain Therapeutics, Department of Health Sciences, University of Milan, Milan, Italy; Neurology Unit I, San Paolo University Hospital, ASST Santi Paolo e Carlo, Milan, Italy.
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15
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Waldthaler J, Sperlich A, König A, Stüssel C, Bremmer F, Timmermann L, Pedrosa D. High (130 Hz)- and mid (60 Hz)-frequency deep brain stimulation in the subthalamic nucleus differentially modulate response inhibition: A preliminary combined EEG and eye tracking study. Neuroimage Clin 2023; 37:103314. [PMID: 36630863 PMCID: PMC9841351 DOI: 10.1016/j.nicl.2023.103314] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2022] [Revised: 12/23/2022] [Accepted: 01/02/2023] [Indexed: 01/06/2023]
Abstract
While deep brain stimulation (DBS) in the subthalamic nucleus (STN) improves motor functions in Parkinson's disease (PD), it may also increase impulsivity by interfering with the inhibition of reflexive responses. The aim of this study was to investigate if varying the pulse frequency of STN-DBS has a modulating effect on response inhibition and its neural correlates. For this purpose, 14 persons with PD repeated an antisaccade task in three stimulation settings (DBS off, high-frequency DBS (130 Hz), mid-frequency DBS (60 Hz)) in a randomized order, while eye movements and brain activity via high-density EEG were recorded. On a behavioral level, 130 Hz DBS stimulation had no effect on response inhibition measured as antisaccade error rate, while 60 Hz DBS induced a slight but significant reduction of directional errors compared with the DBS-off state and 130 Hz DBS. Further, stimulation with both frequencies decreased the onset latency of correct antisaccades, while increasing the latency of directional errors. Time-frequency domain analysis of the EEG data revealed that 60 Hz DBS was associated with an increase in preparatory theta power over a midfrontal region of interest compared with the off-DBS state which is generally regarded as a marker of increased cognitive control. While no significant differences in brain activity over mid- and lateral prefrontal regions of interest emerged between the 60 Hz and 130 Hz conditions, both stimulation frequencies were associated with a stronger midfrontal beta desynchronization during the mental preparation for correct antisaccades compared with DBS off-state which is discussed in the context of potentially enhanced proactive recruitment of the oculomotor network. Our preliminary findings suggest that mid-frequency STN-DBS may provide beneficial effects on response inhibition, while both 130 Hz- and 60 Hz STN-DBS may promote voluntary actions at the expense of slower reflexive responses.
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Affiliation(s)
- Josefine Waldthaler
- Department of Neurology, University Hospital Giessen and Marburg, Marburg, Germany; Department of Neurology, Philipps-University Marburg, Marburg, Germany; Center for Mind, Brain, and Behavior (CMBB), Philipps-University Marburg and Justus-Liebig-University, Giessen, Germany.
| | - Alexander Sperlich
- Department of Neurology, University Hospital Giessen and Marburg, Marburg, Germany; Department of Neurology, Philipps-University Marburg, Marburg, Germany
| | - Aylin König
- Department of Neurophysics, Philipps-University Marburg, Marburg, Germany
| | - Charlotte Stüssel
- Department of Neurology, University Hospital Giessen and Marburg, Marburg, Germany; Department of Neurology, Philipps-University Marburg, Marburg, Germany
| | - Frank Bremmer
- Center for Mind, Brain, and Behavior (CMBB), Philipps-University Marburg and Justus-Liebig-University, Giessen, Germany; Department of Neurophysics, Philipps-University Marburg, Marburg, Germany
| | - Lars Timmermann
- Department of Neurology, University Hospital Giessen and Marburg, Marburg, Germany; Department of Neurology, Philipps-University Marburg, Marburg, Germany; Center for Mind, Brain, and Behavior (CMBB), Philipps-University Marburg and Justus-Liebig-University, Giessen, Germany
| | - David Pedrosa
- Department of Neurology, University Hospital Giessen and Marburg, Marburg, Germany; Department of Neurology, Philipps-University Marburg, Marburg, Germany; Center for Mind, Brain, and Behavior (CMBB), Philipps-University Marburg and Justus-Liebig-University, Giessen, Germany
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16
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Deng JH, Zhang HW, Liu XL, Deng HZ, Lin F. Morphological changes in Parkinson's disease based on magnetic resonance imaging: A mini-review of subcortical structures segmentation and shape analysis. World J Psychiatry 2022; 12:1356-1366. [PMID: 36579355 PMCID: PMC9791612 DOI: 10.5498/wjp.v12.i12.1356] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/23/2022] [Revised: 11/02/2022] [Accepted: 11/22/2022] [Indexed: 12/16/2022] Open
Abstract
Parkinson's disease (PD) is a neurodegenerative disorder caused by the loss of dopaminergic neurons in the substantia nigra, resulting in clinical symptoms, including bradykinesia, resting tremor, rigidity, and postural instability. The pathophysiological changes in PD are inextricably linked to the subcortical structures. Shape analysis is a method for quantifying the volume or surface morphology of structures using magnetic resonance imaging. In this review, we discuss the recent advances in morphological analysis techniques for studying the subcortical structures in PD in vivo. This approach includes available pipelines for volume and shape analysis, focusing on the morphological features of volume and surface area.
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Affiliation(s)
- Jin-Huan Deng
- Department of Radiology, The First Affiliated Hospital of Shenzhen University, Health Science Center, Shenzhen Second People’s Hospital, Shenzhen 518035, Guangdong Province, China
| | - Han-Wen Zhang
- Department of Radiology, The First Affiliated Hospital of Shenzhen University, Health Science Center, Shenzhen Second People’s Hospital, Shenzhen 518035, Guangdong Province, China
| | - Xiao-Lei Liu
- Department of Radiology, The First Affiliated Hospital of Shenzhen University, Health Science Center, Shenzhen Second People’s Hospital, Shenzhen 518035, Guangdong Province, China
| | - Hua-Zhen Deng
- Department of Radiology, The First Affiliated Hospital of Shenzhen University, Health Science Center, Shenzhen Second People’s Hospital, Shenzhen 518035, Guangdong Province, China
| | - Fan Lin
- Department of Radiology, The First Affiliated Hospital of Shenzhen University, Health Science Center, Shenzhen Second People’s Hospital, Shenzhen 518035, Guangdong Province, China
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17
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Dynamic control of decision and movement speed in the human basal ganglia. Nat Commun 2022; 13:7530. [PMID: 36476581 PMCID: PMC9729212 DOI: 10.1038/s41467-022-35121-8] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2022] [Accepted: 11/17/2022] [Indexed: 12/12/2022] Open
Abstract
To optimally adjust our behavior to changing environments we need to both adjust the speed of our decisions and movements. Yet little is known about the extent to which these processes are controlled by common or separate mechanisms. Furthermore, while previous evidence from computational models and empirical studies suggests that the basal ganglia play an important role during adjustments of decision-making, it remains unclear how this is implemented. Leveraging the opportunity to directly access the subthalamic nucleus of the basal ganglia in humans undergoing deep brain stimulation surgery, we here combine invasive electrophysiological recordings, electrical stimulation and computational modelling of perceptual decision-making. We demonstrate that, while similarities between subthalamic control of decision- and movement speed exist, the causal contribution of the subthalamic nucleus to these processes can be disentangled. Our results show that the basal ganglia independently control the speed of decisions and movement for each hemisphere during adaptive behavior.
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18
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Dietz N, Alhourani A, Wylie SA, McDonnell JL, Phibbs FT, Dawant BM, Rodriguez WJ, Bradley EB, Neimat JS, van Wouwe NC. Effects of deep brain stimulation target on the activation and suppression of action impulses. Clin Neurophysiol 2022; 144:50-58. [PMID: 36242948 PMCID: PMC11075516 DOI: 10.1016/j.clinph.2022.09.012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2022] [Revised: 09/21/2022] [Accepted: 09/24/2022] [Indexed: 11/03/2022]
Abstract
OBJECTIVE Deep brain stimulation (DBS) is an effective treatment to improve motor symptoms in Parkinson's disease (PD). The Globus Pallidus (GPi) and the Subthalamic Nucleus (STN) are the most targeted brain regions for stimulation and produce similar improvements in PD motor symptoms. However, our understanding of stimulation effects across targets on inhibitory action control processes is limited. We compared the effects of STN (n = 20) and GPi (n = 13) DBS on inhibitory control in PD patients. METHODS We recruited PD patients undergoing DBS at the Vanderbilt Movement Disorders Clinic and measured their performance on an inhibitory action control task (Simon task) before surgery (optimally treated medication state) and after surgery in their optimally treated state (medication plus their DBS device turned on). RESULTS DBS to both STN and GPi targets induced an increase in fast impulsive errors while simultaneously producing more proficient reactive suppression of interference from action impulses. CONCLUSIONS Stimulation in GPi produced similar effects as STN DBS, indicating that stimulation to either target increases the initial susceptibility to act on strong action impulses while concomitantly improving the ability to suppress ongoing interference from activated impulses. SIGNIFICANCE Action impulse control processes are similarly impacted by stimulating dissociable nodes in frontal-basal ganglia circuitry.
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Affiliation(s)
- Nicholas Dietz
- Department of Neurosurgery, University of Louisville, 220 Abraham Flexner Way, Louisville, KY 40202, USA
| | - Ahmad Alhourani
- Department of Neurosurgery, University of Louisville, 220 Abraham Flexner Way, Louisville, KY 40202, USA
| | - Scott A Wylie
- Department of Neurosurgery, University of Louisville, 220 Abraham Flexner Way, Louisville, KY 40202, USA
| | - Jessica L McDonnell
- Department of Neurosurgery, University of Louisville, 220 Abraham Flexner Way, Louisville, KY 40202, USA
| | - Fenna T Phibbs
- Department of Neurology, Vanderbilt University Medical Center, 1301 Medical Center Drive, Suite 3930, Nashville, TN 37232, USA
| | - Benoit M Dawant
- Department of Electrical and Computer Engineering, Vanderbilt University, Nashville, TN, USA
| | - William J Rodriguez
- Department of Electrical and Computer Engineering, Vanderbilt University, Nashville, TN, USA
| | - Elise B Bradley
- Department of Neurology, Vanderbilt University Medical Center, 1301 Medical Center Drive, Suite 3930, Nashville, TN 37232, USA
| | - Joseph S Neimat
- Department of Neurosurgery, University of Louisville, 220 Abraham Flexner Way, Louisville, KY 40202, USA
| | - Nelleke C van Wouwe
- Department of Neurosurgery, University of Louisville, 220 Abraham Flexner Way, Louisville, KY 40202, USA; Department of Neurology, Vanderbilt University Medical Center, 1301 Medical Center Drive, Suite 3930, Nashville, TN 37232, USA.
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19
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Qiu Y, O’Neill N, Maffei B, Zourray C, Almacellas-Barbanoj A, Carpenter JC, Jones SP, Leite M, Turner TJ, Moreira FC, Snowball A, Shekh-Ahmad T, Magloire V, Barral S, Kurian MA, Walker MC, Schorge S, Kullmann DM, Lignani G. On-demand cell-autonomous gene therapy for brain circuit disorders. Science 2022; 378:523-532. [PMID: 36378958 PMCID: PMC7613996 DOI: 10.1126/science.abq6656] [Citation(s) in RCA: 33] [Impact Index Per Article: 16.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Several neurodevelopmental and neuropsychiatric disorders are characterized by intermittent episodes of pathological activity. Although genetic therapies offer the ability to modulate neuronal excitability, a limiting factor is that they do not discriminate between neurons involved in circuit pathologies and "healthy" surrounding or intermingled neurons. We describe a gene therapy strategy that down-regulates the excitability of overactive neurons in closed loop, which we tested in models of epilepsy. We used an immediate early gene promoter to drive the expression of Kv1.1 potassium channels specifically in hyperactive neurons, and only for as long as they exhibit abnormal activity. Neuronal excitability was reduced by seizure-related activity, leading to a persistent antiepileptic effect without interfering with normal behaviors. Activity-dependent gene therapy is a promising on-demand cell-autonomous treatment for brain circuit disorders.
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Affiliation(s)
- Yichen Qiu
- Department of Clinical and Experimental Epilepsy, UCL Queen Square Institute of Neurology, University College London, London, UK
| | - Nathanael O’Neill
- Department of Clinical and Experimental Epilepsy, UCL Queen Square Institute of Neurology, University College London, London, UK
| | - Benito Maffei
- Department of Clinical and Experimental Epilepsy, UCL Queen Square Institute of Neurology, University College London, London, UK
| | - Clara Zourray
- Department of Clinical and Experimental Epilepsy, UCL Queen Square Institute of Neurology, University College London, London, UK
- Department of Developmental Neurosciences, Zayed Centre for Research Into Rare Disease in Children, GOS−Institute of Child Health, University College London, London, UK
| | - Amanda Almacellas-Barbanoj
- Department of Clinical and Experimental Epilepsy, UCL Queen Square Institute of Neurology, University College London, London, UK
| | - Jenna C. Carpenter
- Department of Clinical and Experimental Epilepsy, UCL Queen Square Institute of Neurology, University College London, London, UK
| | - Steffan P. Jones
- Department of Clinical and Experimental Epilepsy, UCL Queen Square Institute of Neurology, University College London, London, UK
| | - Marco Leite
- Department of Clinical and Experimental Epilepsy, UCL Queen Square Institute of Neurology, University College London, London, UK
| | - Thomas J. Turner
- Department of Clinical and Experimental Epilepsy, UCL Queen Square Institute of Neurology, University College London, London, UK
| | - Francisco C. Moreira
- Department of Clinical and Experimental Epilepsy, UCL Queen Square Institute of Neurology, University College London, London, UK
| | - Albert Snowball
- Department of Clinical and Experimental Epilepsy, UCL Queen Square Institute of Neurology, University College London, London, UK
| | - Tawfeeq Shekh-Ahmad
- Department of Clinical and Experimental Epilepsy, UCL Queen Square Institute of Neurology, University College London, London, UK
| | - Vincent Magloire
- Department of Clinical and Experimental Epilepsy, UCL Queen Square Institute of Neurology, University College London, London, UK
| | - Serena Barral
- Department of Developmental Neurosciences, Zayed Centre for Research Into Rare Disease in Children, GOS−Institute of Child Health, University College London, London, UK
| | - Manju A. Kurian
- Department of Developmental Neurosciences, Zayed Centre for Research Into Rare Disease in Children, GOS−Institute of Child Health, University College London, London, UK
- Department of Neurology, Great Ormond Street Hospital for Children, London, UK
| | - Matthew C. Walker
- Department of Clinical and Experimental Epilepsy, UCL Queen Square Institute of Neurology, University College London, London, UK
| | - Stephanie Schorge
- Department of Neuroscience, Physiology and Pharmacology University College London, London, UK
| | - Dimitri M. Kullmann
- Department of Clinical and Experimental Epilepsy, UCL Queen Square Institute of Neurology, University College London, London, UK
| | - Gabriele Lignani
- Department of Clinical and Experimental Epilepsy, UCL Queen Square Institute of Neurology, University College London, London, UK
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20
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Sengupta S, Medendorp WP, Selen LPJ, Praamstra P. Exploration of sensory-motor tradeoff behavior in Parkinson’s disease. Front Hum Neurosci 2022; 16:951313. [DOI: 10.3389/fnhum.2022.951313] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2022] [Accepted: 09/30/2022] [Indexed: 11/13/2022] Open
Abstract
While slowness of movement is an obligatory characteristic of Parkinson’s disease (PD), there are conditions in which patients move uncharacteristically fast, attributed to deficient motor inhibition. Here we investigate deficient inhibition in an optimal sensory-motor integration framework, using a game in which subjects used a paddle to catch a virtual ball. Display of the ball was extinguished as soon as the catching movement started, segregating the task into a sensing and acting phase. We analyzed the behavior of 9 PD patients (ON medication) and 10 age-matched controls (HC). The switching times (between sensing and acting phase) were compared to the predicted optimal switching time, based on the individual estimates of sensory and motor uncertainties. The comparison showed that deviation from predicted optimal switching times were similar between groups. However, PD patients showed a weaker correlation between variability in switching time and sensory-motor uncertainty, indicating a reduced propensity to generate exploratory behavior for optimizing goal-directed movements. Analysis of the movement kinematics revealed that PD patients, compared to controls, used a lower peak velocity of the paddle and intercepted the ball with greater velocity. Adjusting the trial duration to the time for the paddle to stop moving, we found that PD patients spent a smaller proportion of the trial duration for observing the ball. Altogether, the results do not show the premature movement initiation and truncated sensory processing that we predicted to ensue from deficient inhibition in PD.
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21
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Fournet M, Chiuvé SC, Laganaro M. Attentional Demand of Motor Speech Encoding: Evidence From Parkinson's Disease. JOURNAL OF SPEECH, LANGUAGE, AND HEARING RESEARCH : JSLHR 2022; 65:3758-3775. [PMID: 36201164 DOI: 10.1044/2022_jslhr-22-00096] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
PURPOSE While the involvement of attention in utterance planning is well established at the conceptual and lexical levels, the attentional demands of postlexical processes are still debated. This study investigates the involvement of attentional resources on motor speech encoding during utterance production in the context of Parkinson's disease (PD), a population allowing to assess if the attentional demands observed in a dual-task paradigm (the dual-task costs [DTCs]) are explained by postlexical difficulties and not solely by executive impairment. METHOD Speech production was analyzed in a dual-task paradigm with 30 participants presenting with motor speech disorders due to hypokinetic dysarthria in the context of PD. The dual-task comprised an automatic speech task in which participants recited the days of the week and two nonverbal tasks evaluating processing speed and inhibition. The severity of dysarthria and performance in several executive tests (inhibition, verbal fluency, and cognitive shifting) were used as potential predictors of the DTCs. RESULTS Individuals with PD exhibited a DTC on the nonverbal tasks and on the speech task when the secondary task was inhibition (the most difficult one). Additionally, the severity of dysarthria and a poorer performance in cognitive shifting predicted a more severe DTC on speech rate. Finally, modulation of the magnitude of the DTCs was observed, depending on the difficulty of the nonverbal secondary task. CONCLUSION The results suggest that, in PD, postlexical processes require attentional resources and cognitive shifting is related to dual-task performance in speech. SUPPLEMENTAL MATERIAL https://doi.org/10.23641/asha.21265893.
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Affiliation(s)
- Maryll Fournet
- Faculty of Psychology and Educational Sciences, University of Geneva, Switzerland
- Department of Neurorehabilitation, Geneva University Hospitals, Switzerland
| | | | - Marina Laganaro
- Faculty of Psychology and Educational Sciences, University of Geneva, Switzerland
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22
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Somma T, Esposito F, Scala MR, Scelzo A, Baiano C, Patti S, Meglio V, Iasevoli F, Cavallo LM, Solari D, De Bartolomeis A, Cappabianca P, D’Urso G. Psychiatric Symptoms in Parkinson's Disease Patients before and One Year after Subthalamic Nucleus Deep Brain Stimulation Therapy: Role of Lead Positioning and Not of Total Electrical Energy Delivered. J Pers Med 2022; 12:jpm12101643. [PMID: 36294782 PMCID: PMC9605574 DOI: 10.3390/jpm12101643] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2022] [Revised: 09/27/2022] [Accepted: 09/30/2022] [Indexed: 11/07/2022] Open
Abstract
Parkinson’s disease (PD) patients may experience neuropsychiatric symptoms, including depression, anxiety, sleep disturbances, psychosis, as well as behavioral and cognitive symptoms during all the different stages of the illness. Deep Brain Stimulation (DBS) therapy has proven to be successful in controlling the motor symptoms of PD and its possible correlation with the occurrence or worsening of neuropsychiatric symptoms has been reported. We aimed to assess the neuropsychiatric symptoms of 14 PD patients before and after one year of Subthalamic Nucleus (STN)-DBS and to correlate the possible changes to the lead placement and to the total electrical energy delivered. We assessed PD motor symptoms, depression, anxiety, apathy, impulsivity, and suicidality using clinician- and/or self-administered rating scales and correlated the results to the lead position using the Medtronic SuretuneTM software and to the total electrical energy delivered (TEED). At the 12-month follow-up, the patients showed a significant improvement in PD symptoms on the UPDRS (Unified Parkinson’s disease Rating Scale) (−38.5%; p < 0.001) and in anxiety on the Hamilton Anxiety Rating Scale (HAM-A) (−29%; p = 0.041), with the most significant reduction in the physiological anxiety subscore (−36.26%; p < 0.001). A mild worsening of impulsivity was detected on the Barratt Impulsiveness Scale (BIS-11) (+9%; p = 0.048), with the greatest increase in the attentional impulsiveness subscore (+13.60%; p = 0.050). No statistically significant differences were found for the other scales. No correlation was found between TEED and scales’ scores, while the positioning of the stimulating electrodes in the different portions of the STN was shown to considerably influence the outcome, with more anterior and/or medial lead position negatively influencing psychiatric symptoms.
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Affiliation(s)
- Teresa Somma
- Department of NeuroSciences and Reproductive and Dental Sciences, Division of NeuroSurgery, Università degli Studi di Napoli Federico II, 80131 Naples, Italy
| | - Felice Esposito
- Department of NeuroSciences and Reproductive and Dental Sciences, Division of NeuroSurgery, Università degli Studi di Napoli Federico II, 80131 Naples, Italy
- Department of NeuroSciences and Reproductive and Odontostomatological Sciences, Division of NeuroSurgery, Federico II University of Naples, 80131 Naples, Italy
- Neurosurgery Unit, Federico II Medical Center, 80131 Naples, Italy
- Correspondence: ; Tel.: +39-081-746 (ext. 2489)
| | - Maria Rosaria Scala
- Department of NeuroSciences and Reproductive and Dental Sciences, Division of NeuroSurgery, Università degli Studi di Napoli Federico II, 80131 Naples, Italy
| | - Antonio Scelzo
- Department of NeuroSciences and Reproductive and Dental Sciences, Division of Psychiatry, Università degli Studi di Napoli Federico II, 80131 Naples, Italy
| | - Cinzia Baiano
- Department of NeuroSciences and Reproductive and Dental Sciences, Division of NeuroSurgery, Università degli Studi di Napoli Federico II, 80131 Naples, Italy
| | - Sara Patti
- Department of NeuroSciences and Reproductive and Dental Sciences, Division of Psychiatry, Università degli Studi di Napoli Federico II, 80131 Naples, Italy
| | - Vincenzo Meglio
- Department of NeuroSciences and Reproductive and Dental Sciences, Division of NeuroSurgery, Università degli Studi di Napoli Federico II, 80131 Naples, Italy
| | - Felice Iasevoli
- Department of NeuroSciences and Reproductive and Dental Sciences, Division of Psychiatry, Università degli Studi di Napoli Federico II, 80131 Naples, Italy
| | - Luigi M. Cavallo
- Department of NeuroSciences and Reproductive and Dental Sciences, Division of NeuroSurgery, Università degli Studi di Napoli Federico II, 80131 Naples, Italy
| | - Domenico Solari
- Department of NeuroSciences and Reproductive and Dental Sciences, Division of NeuroSurgery, Università degli Studi di Napoli Federico II, 80131 Naples, Italy
| | - Andrea De Bartolomeis
- Department of NeuroSciences and Reproductive and Dental Sciences, Division of Psychiatry, Università degli Studi di Napoli Federico II, 80131 Naples, Italy
| | - Paolo Cappabianca
- Department of NeuroSciences and Reproductive and Dental Sciences, Division of NeuroSurgery, Università degli Studi di Napoli Federico II, 80131 Naples, Italy
| | - Giordano D’Urso
- Department of NeuroSciences and Reproductive and Dental Sciences, Division of Psychiatry, Università degli Studi di Napoli Federico II, 80131 Naples, Italy
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23
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The Deep Brain Stimulation Impairment Scale: A useful complement in assessment of well-being and functioning in DBS-patients - Results from a large multicentre survey in patients with Parkinson's disease. Parkinsonism Relat Disord 2022; 99:8-15. [PMID: 35561498 DOI: 10.1016/j.parkreldis.2022.04.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/27/2021] [Revised: 04/11/2022] [Accepted: 04/16/2022] [Indexed: 11/23/2022]
Abstract
BACKGROUND Deep Brain Stimulation (DBS) has been proven to alleviate motor symptoms in Parkinson's Disease (PD). Regarding non-motor symptoms, however, inconsistencies have been reported, on whether DBS causes reductions in well-being and functioning. To assess motor and non-motor impairment in DBS-patients, the Deep Brain Stimulation Impairment Scale (DBS-IS) has been developed. Yet, the extent to which the DBS-IS detects impairment in DBS-patients and thus could serve as a useful tool that complements the PDQ-39 (gold standard) in assessment of well-being and functioning in PD-patients has not been shown. OBJECTIVES By comparing DBS and non-DBS-patients we aimed to identify DBS-specific symptoms. We thereby aimed to show in how far the DBS-IS complements the PDQ-39 in assessing well-being and functioning in PD patients under DBS. METHODS In a cross-sectional study, 186 DBS-patients were matched (for age, disease duration and sex) to 186 non-DBS-patients (N = 372) and the two groups were compared regarding well-being and functioning: Impairment was assessed via DBS-IS and overall Quality of Life (QoL) was assessed via PDQ-39. Additionally, we analyzed differences in impairment between age and disease duration clusters. RESULTS DBS-patients showed significantly higher total impairment (DBS-IS) and significantly higher impairment on the subscales Postural Instability and Gait difficulties and speaking difficulties than non-DBS-patients. Impairment increased with age and disease duration and, overall, differences in impairment rose by age. Overall QoL (PDQ-39) was non-significantly lower in DBS-patients. CONCLUSION Since there is evidence that the PDQ-39 misses some DBS-specific symptoms, the DBS-IS is recommended to complement the PDQ-39 when assessing DBS-patients.
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Raud L, Thunberg C, Huster RJ. Partial response electromyography as a marker of action stopping. eLife 2022; 11:70332. [PMID: 35617120 PMCID: PMC9203056 DOI: 10.7554/elife.70332] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2021] [Accepted: 05/25/2022] [Indexed: 11/13/2022] Open
Abstract
Response inhibition is among the core constructs of cognitive control. It is notoriously difficult to quantify from overt behavior, since the outcome of successful inhibition is the lack of a behavioral response. Currently, the most common measure of action stopping, and by proxy response inhibition, is the model-based stop signal reaction time (SSRT) derived from the stop signal task. Recently, partial response electromyography (prEMG) has been introduced as a complementary physiological measure to capture individual stopping latencies. PrEMG refers to muscle activity initiated by the go signal that plummets after the stop signal before its accumulation to a full response. Whereas neither the SSRT nor the prEMG is an unambiguous marker for neural processes underlying response inhibition, our analysis indicates that the prEMG peak latency is better suited to investigate brain mechanisms of action stopping. This study is a methodological resource with a comprehensive overview of the psychometric properties of the prEMG in a stop signal task, and further provides practical tips for data collection and analysis.
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Affiliation(s)
- Liisa Raud
- Department of Psychology, University of Oslo, Oslo, Norway
| | | | - René J Huster
- Department of Psychology, University of Oslo, Oslo, Norway
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25
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Meier JM, Perdikis D, Blickensdörfer A, Stefanovski L, Liu Q, Maith O, Dinkelbach HÜ, Baladron J, Hamker FH, Ritter P. Virtual deep brain stimulation: Multiscale co-simulation of a spiking basal ganglia model and a whole-brain mean-field model with the virtual brain. Exp Neurol 2022; 354:114111. [DOI: 10.1016/j.expneurol.2022.114111] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2021] [Revised: 04/04/2022] [Accepted: 05/05/2022] [Indexed: 11/04/2022]
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26
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Leimbach F, Atkinson-Clement C, Socorro P, Jahanshahi M. The Effects of Subthalamic Nucleus Deep Brain Stimulation in Parkinson's Disease on Associative Learning of Verbal and Non-Verbal Information by Trial and Error or with Corrective Feedback. JOURNAL OF PARKINSON'S DISEASE 2022; 12:885-896. [PMID: 35342046 DOI: 10.3233/jpd-212843] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
BACKGROUND Parkinson's disease (PD) and subthalamic nucleus deep brain stimulation (STN-DBS) are both known to induce cognitive changes. OBJECTIVE The aim of our study was to investigate the impact of STN-DBS on two forms of conditional associative learning (CAL), trial and error or corrective feedback learning, which differed in difficulty to test the load-dependency hypothesis of the cognitive effects of STN-DBS in PD. METHODS We recruited two groups of PD patients, those who had STN-DBS surgery bilaterally (n = 24) and a second unoperated group (n = 9) who were assessed on two versions of a task of visual CAL involving either a more difficult trial and error learning or a relatively easier corrective feedback learning. Each task was completed twice by both groups, On and Off STN-DBS for the operated group and a first and second time by the unoperated group. RESULTS With STN-DBS Off, corrective feedback learning was superior to trial and error CAL, but not with STN-DBS On. The unoperated PD group had improved performance during the second assessment. To control for the improvement observed with repeated assessment in the PD control group, we split the STN-DBS group into two subgroups based on the condition of the first assessment (Off first vs. On first). While we found no STN-DBS effects for the Off first subgroup (N = 14), we observed improved performance during the second STN-DBS Off session for the On first subgroup (N = 10). CONCLUSION The findings suggest that in PD, STN-DBS interferes with use of corrective feedback and its integration in the conditional associative learning process. Also STN stimulation affected the ability of operated patients to resolve proactive interference during learning of the arbitrary visual associations by trial and error or with corrective feedback.
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Affiliation(s)
- Friederike Leimbach
- Department of Clinical and Movement Neurosciences, UCL Queen Square Institute of Neurology, London, UK
| | - Cyril Atkinson-Clement
- Sorbonne University, Inserm U1127, CNRS UMR7225, UM75, ICM, F-75013, Paris, France.,Movement Investigation and Therapeutics Team, Paris, France.,School of Medicine, University of Nottingham, Nottingham, UK
| | - Pieter Socorro
- Department of Clinical and Movement Neurosciences, UCL Queen Square Institute of Neurology, London, UK
| | - Marjan Jahanshahi
- Department of Clinical and Movement Neurosciences, UCL Queen Square Institute of Neurology, London, UK.,The Clinical Hospital of Chengdu Brain Science Institute, MOE Key Lab for Neuroinformation, University of Electronic Science and Technology of China, Chengdu, China
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27
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Catalano Chiuvé S, Fournet M, Wegrzyk J, Assal F, Burkhard PR, Laganaro M. Longitudinal study of speech and dual-task performance in Parkinson's disease patients treated with subthalamic nucleus deep brain stimulation. Parkinsonism Relat Disord 2022; 97:75-78. [PMID: 35349893 DOI: 10.1016/j.parkreldis.2022.03.003] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/04/2021] [Revised: 03/03/2022] [Accepted: 03/03/2022] [Indexed: 11/19/2022]
Abstract
INTRODUCTION Impairments in speech and executive functions are both observed in Parkinson's disease (PD) and might be influenced by subthalamic nucleus deep brain stimulation (STN-DBS). We investigated the effects of STN-DBS on speech and executive functions and their mutual interference in PD. METHODS 14 PD patients eligible for bilateral STN-DBS (PD-DBS), and 16 PD patients with best medical treatment (PD-BMT) were included. Global cognition, executive functions (inhibition and verbal fluency), speech tasks with acoustic measures, and a dual-task (DT) combining a speech task with a Go or Go/NoGo task were performed at baseline and 12 months follow-up. A normative group of matched healthy participants was included at baseline for the evaluation of speech and DT performance. RESULTS In both patient groups, global cognition mildly decreased after 12 months (p < .001). PD-DBS showed decreased inhibition (p = .016) whereas PD-BMT deteriorated in vowel articulation (p = .011). Using the DT paradigm, PD-DBS showed a slowing of speech rate after 12 months (p = .009) in contrast to PD-BMT (p = .203). CONCLUSION STN-DBS does not seem to impair speech and global cognition but might affect certain executive functions (notably inhibition). Speech-cognition interference is relatively preserved in PD patients, even though PD-DBS present larger DT cost on speech rate at 12 months post-DBS compared to PD-BMT. An evaluation with a longer follow-up using a larger sample is needed to confirm long-term effects.
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Affiliation(s)
| | - Maryll Fournet
- Department of Neurorehabilitation, Geneva University Hospitals, Geneva, Switzerland; University of Geneva, Faculty of Psychology and Educational Sciences, Geneva, Switzerland
| | - Jennifer Wegrzyk
- School of Health Sciences (HESAV), University of Applied Sciences and Arts Western Switzerland (HES-SO), Lausanne, Switzerland
| | - Frédéric Assal
- Department of Neurology, Geneva University Hospitals, Geneva, Switzerland
| | - Pierre R Burkhard
- Department of Neurology, Geneva University Hospitals, Geneva, Switzerland
| | - Marina Laganaro
- University of Geneva, Faculty of Psychology and Educational Sciences, Geneva, Switzerland
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28
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Reverse Visually Guided Reaching in Patients with Parkinson’s Disease. PARKINSON'S DISEASE 2022; 2022:8132923. [PMID: 35386952 PMCID: PMC8979744 DOI: 10.1155/2022/8132923] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/27/2021] [Revised: 01/11/2022] [Accepted: 02/22/2022] [Indexed: 11/18/2022]
Abstract
In addition to motor symptoms such as difficulty in movement initiation and bradykinesia, patients with Parkinson’s disease (PD) display nonmotor executive cognitive dysfunction with deficits in inhibitory control. Preoperative psychological assessments are used to screen for impulsivity that may be worsened by deep brain stimulation (DBS) of the subthalamic nucleus (STN). However, it is unclear whether anti-Parkinson’s therapy, such as dopamine replacement therapy (DRT) or DBS, which has beneficial effects on motor function, adversely affects inhibitory control or its domains. The detrimental effects of STN-DBS are more apparent when tasks test the inhibition of habitual prepotent responses or involve complex cognitive loads. Our goal was to use a reverse visually guided reaching (RVGR) task, a hand-based version of the antisaccade task, to simultaneously measure motor performance and response inhibition in subjects with PD. We recruited 55 healthy control subjects, 26 PD subjects receiving treatment with DRTs, and 7 PD subjects receiving treatment with STN-DBS and DRTs. In the RVGR task, a cursor moved opposite to the subject’s hand movement. This was compared to visually guided reaching (VGR) where the cursor moved in the same direction as the subject’s hand movement. Reaction time, mean speed, and direction errors (in RVGR) were assessed. Reaction times were longer, and mean speeds were slower during RVGR compared to VGR in all three groups but worse in untreated subjects with PD. Treatment with DRTs, DBS, or DBS + DRT improved the reaction time and speed on the RVGR task to a greater extent than VGR. Additionally, DBS or DBS + DRT demonstrated an increase in direction errors, which was correlated with decreased reaction time. These results show that the RVGR task quantifies the benefit of STN-DBS on bradykinesia and the concomitant reduction of proactive inhibitory control. The RVGR task has the potential to be used to rapidly screen for preoperative deficits in inhibitory control and to titrate STN-DBS, to maximize the therapeutic benefits on movement, and minimize impaired inhibitory control.
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29
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Cole RC, Okine DN, Yeager BE, Narayanan NS. Neuromodulation of cognition in Parkinson's disease. PROGRESS IN BRAIN RESEARCH 2022; 269:435-455. [PMID: 35248205 DOI: 10.1016/bs.pbr.2022.01.016] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
Neuromodulation is a widely used treatment for motor symptoms of Parkinson's disease (PD). It can be a highly effective treatment as a result of knowledge of circuit dysfunction associated with motor symptoms in PD. However, the mechanisms underlying cognitive symptoms of PD are less well-known, and the effects of neuromodulation on these symptoms are less consistent. Nonetheless, neuromodulation provides a unique opportunity to modulate motor and cognitive circuits while minimizing off-target side effects. We review the modalities of neuromodulation used in PD and the potential implications for cognitive symptoms. There have been some encouraging findings with both invasive and noninvasive modalities of neuromodulation, and there are promising advances being made in the field of therapeutic neuromodulation. Substantial work is needed to determine which modulation targets are most effective for the different types of cognitive deficits of PD.
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Affiliation(s)
- Rachel C Cole
- Department of Neurology, University of Iowa, Iowa City, IA, United States
| | - Derrick N Okine
- Department of Neurology, University of Iowa, Iowa City, IA, United States
| | - Brooke E Yeager
- Department of Neurology, University of Iowa, Iowa City, IA, United States
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30
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Cavanagh JF, Ryman S, Richardson SP. Cognitive control in Parkinson's disease. PROGRESS IN BRAIN RESEARCH 2022; 269:137-152. [PMID: 35248192 DOI: 10.1016/bs.pbr.2022.01.019] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
Cognitive control is the ability to act according to plan. Problems with cognitive control are a primary symptom and a major decrement of quality of life in Parkinson's disease (PD). Individuals with PD have problems with seemingly different controlled processes (e.g., task switching, impulsivity, gait disturbance, apathetic motivation). We review how these varied processes all rely upon disease-related alteration of common neural substrates, particularly due to dopaminergic imbalance. A comprehensive understanding of the neural systems underlying cognitive control will hopefully lead to more concise and reliable explanations of distributed deficits. However, high levels of clinical heterogeneity and medication-invariant control deficiencies suggest the need for increasingly detailed elaboration of the neural systems underlying control in PD.
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Affiliation(s)
- James F Cavanagh
- Department of Psychology, University of New Mexico, Albuquerque, NM, United States.
| | - Sephira Ryman
- Mind Research Network, Albuquerque, NM, United States
| | - Sarah Pirio Richardson
- Department of Neurology, University of New Mexico Health Sciences Center, Albuquerque, NM, United States; Neurology Service, New Mexico Veterans Affairs Healthcare System, Albuquerque, NM, United States
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31
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Vissani M, Micheli F, Pecchioli G, Ramat S, Mazzoni A. Impulsivity is associated with firing regularity in parkinsonian ventral subthalamic nucleus. Ann Clin Transl Neurol 2022; 9:552-557. [PMID: 35233976 PMCID: PMC8994976 DOI: 10.1002/acn3.51530] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2021] [Revised: 01/28/2022] [Accepted: 02/14/2022] [Indexed: 11/10/2022] Open
Abstract
Impulsive–compulsive behaviors (ICB) are over‐represented in Parkinson's disease (PD) patients. Neurons in the ventral subthalamic nucleus (STN) might play a predominant role in the modulation of impulsivity. We characterized the firing regularity of 742 subthalamic neurons from 24 PD patients (12 ICB+ and 12 ICB‐) in an OFF medication state. We computed the firing regularity in the dorsal and ventral STN regions, and we compared their performance in discriminating ICB patients. Regularity of ventral neurons in ICB+ patients is higher and supports a significant discrimination between the two cohorts. These results substantiate a ventral location of neurons involved in impulsivity.
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Affiliation(s)
- Matteo Vissani
- The Biorobotics Institute, Scuola Superiore Sant'Anna, Pisa, 56025, Italy.,Department of Excellence in Robotics and AI, Scuola Superiore Sant'Anna, Pisa, 56025, Italy
| | - Federico Micheli
- The Biorobotics Institute, Scuola Superiore Sant'Anna, Pisa, 56025, Italy.,Department of Excellence in Robotics and AI, Scuola Superiore Sant'Anna, Pisa, 56025, Italy
| | - Guido Pecchioli
- AOU Careggi, Dipartimento Neuromuscolo-Scheletrico e degli Organi di Senso, Florence, Italy
| | - Silvia Ramat
- AOU Careggi, Dipartimento Neuromuscolo-Scheletrico e degli Organi di Senso, Florence, Italy
| | - Alberto Mazzoni
- The Biorobotics Institute, Scuola Superiore Sant'Anna, Pisa, 56025, Italy.,Department of Excellence in Robotics and AI, Scuola Superiore Sant'Anna, Pisa, 56025, Italy
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32
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Arten TL, Hamdan AC. NExecutive functions and memory in Parkinson's disease patients with Deep Brain Stimulation. AGING AND HEALTH RESEARCH 2022. [DOI: 10.1016/j.ahr.2022.100065] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022] Open
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33
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Foffani G, Alegre M. Brain oscillations and Parkinson disease. HANDBOOK OF CLINICAL NEUROLOGY 2022; 184:259-271. [PMID: 35034740 DOI: 10.1016/b978-0-12-819410-2.00014-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
Brain oscillations have been associated with Parkinson's disease (PD) for a long time mainly due to the fundamental oscillatory nature of parkinsonian rest tremor. Over the years, this association has been extended to frequencies well above that of tremor, largely owing to the opportunities offered by deep brain stimulation (DBS) to record electrical activity directly from the patients' basal ganglia. This chapter reviews the results of research on brain oscillations in PD focusing on theta (4-7Hz), beta (13-35Hz), gamma (70-80Hz) and high-frequency oscillations (200-400Hz). For each of these oscillations, we describe localization and interaction with brain structures and between frequencies, changes due to dopamine intake, task-related modulation, and clinical relevance. The study of brain oscillations will also help to dissect the mechanisms of action of DBS. Overall, the chapter tentatively depicts PD in terms of "oscillopathy."
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Affiliation(s)
- Guglielmo Foffani
- HM CINAC (Centro Integral de Neurociencias Abarca Campal), Hospital Universitario HM Puerta del Sur, HM Hospitales, Madrid, Spain; Neural Bioengineering, Hospital Nacional de Parapléjicos, SESCAM, Toledo, Spain; CIBERNED, Instituto de Salud Carlos III, Madrid, Spain.
| | - Manuel Alegre
- Clinical Neurophysiology Section, Clínica Universidad de Navarra, Pamplona, Spain; Systems Neuroscience Lab, Program of Neuroscience, CIMA, Universidad de Navarra, Pamplona, Spain; IdisNA, Instituto de Investigación Sanitaria de Navarra, Pamplona, Spain.
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Piszczek L, Constantinescu A, Kargl D, Lazovic J, Pekcec A, Nicholson JR, Haubensak W. Dissociation of impulsive traits by subthalamic metabotropic glutamate receptor 4. eLife 2022; 11:62123. [PMID: 34982027 PMCID: PMC8803315 DOI: 10.7554/elife.62123] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2020] [Accepted: 12/31/2021] [Indexed: 11/17/2022] Open
Abstract
Behavioral strategies require gating of premature responses to optimize outcomes. Several brain areas control impulsive actions, but the neuronal basis of natural variation in impulsivity between individuals remains largely unknown. Here, by combining a Go/No-Go behavioral assay with resting-state (rs) functional MRI in mice, we identified the subthalamic nucleus (STN), a known gate for motor control in the basal ganglia, as a major hotspot for trait impulsivity. In vivo recorded STN neural activity encoded impulsive action as a separable state from basic motor control, characterized by decoupled STN/substantia nigra pars reticulata (SNr) mesoscale networks. Optogenetic modulation of STN activity bidirectionally controlled impulsive behavior. Pharmacological and genetic manipulations showed that these impulsive actions are modulated by metabotropic glutamate receptor 4 (mGlu4) function in STN and its coupling to SNr in a behavioral trait-dependent manner, and independently of general motor function. In conclusion, STN circuitry multiplexes motor control and trait impulsivity, which are molecularly dissociated by mGlu4. This provides a potential mechanism for the genetic modulation of impulsive behavior, a clinically relevant predictor for developing psychiatric disorders associated with impulsivity.
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Affiliation(s)
- Lukasz Piszczek
- The Research Institute of Molecular Pathology (IMP), Department of Neuroscience, Vienna Biocenter, Vienna, Austria
| | - Andreea Constantinescu
- The Research Institute of Molecular Pathology (IMP), Department of Neuroscience, Vienna Biocenter, Vienna, Austria
| | - Dominic Kargl
- The Research Institute of Molecular Pathology (IMP), Department of Neuroscience, Vienna Biocenter, Vienna, Austria.,Department of Neuronal Cell Biology, Center for Brain Research, Medical University of Vienna, Vienna, Austria
| | - Jelena Lazovic
- Preclinical Imaging Facility, Vienna BioCenter Core Facilities (VBCF), Vienna, Austria
| | - Anton Pekcec
- Div Research Germany, Boehringer Ingelheim, Biberach an der Riss, Germany
| | - Janet R Nicholson
- Div Research Germany, Boehringer Ingelheim, Biberach an der Riss, Germany
| | - Wulf Haubensak
- The Research Institute of Molecular Pathology (IMP), Department of Neuroscience, Vienna Biocenter, Vienna, Austria.,Department of Neuronal Cell Biology, Center for Brain Research, Medical University of Vienna, Vienna, Austria
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35
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Waldthaler J, Stock L, Student J, Sommerkorn J, Dowiasch S, Timmermann L. Antisaccades in Parkinson's Disease: A Meta-Analysis. Neuropsychol Rev 2021; 31:628-642. [PMID: 33742354 PMCID: PMC8592977 DOI: 10.1007/s11065-021-09489-1] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2020] [Accepted: 02/18/2021] [Indexed: 11/29/2022]
Abstract
The usefulness of eye-tracking tasks as potential biomarkers for motor or cognitive disease burden in Parkinson's disease (PD) has been subject of debate for many years. Several studies suggest that the performance in the antisaccade task may be altered in patients with PD and associated with motor disease severity or executive dysfunction. In this meta-analysis, random effects models were used to synthesize the existing evidence on antisaccade error rates and latency in PD. Furthermore, meta-regressions were performed to assess the role of motor and cognitive disease severity, dopaminergic medication and methodological factors. Additionally, the impact of acute levodopa administration and activation of deep brain stimulation was evaluated in two separate sub-analyses.This meta-analysis confirms that antisaccade latency and error rate are significantly increased in PD. Disease duration, Unified Parkinson's disease rating scale score and Hoehn and Yahr stage mediate the effect of PD on antisaccade latency with higher motor burden being associated with increased antisaccade latency.Acute administration of levodopa had no significant effects on antisaccade performance in a small number of eligible studies. Deep brain stimulation in the subthalamic nucleus, on the other hand, may alter the speed accuracy trade-off supporting an increase of impulsivity following deep brain stimulation in PD.According to the results of the meta-analysis, antisaccade latency may provide a potential marker for disease severity and progression in PD which needs further confirmation in longitudinal studies.
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Affiliation(s)
- Josefine Waldthaler
- Department of Neurology, University Hospital Marburg, 35033, Marburg, Germany.
- CMBB - Center for Mind, Brain and Behavior, Universities Gießen and Marburg, Marburg, Germany.
| | - Lena Stock
- Department of Neurology, University Hospital Marburg, 35033, Marburg, Germany
| | - Justus Student
- Department of Neurology, University Hospital Marburg, 35033, Marburg, Germany
| | - Johanna Sommerkorn
- Department of Neurology, University Hospital Marburg, 35033, Marburg, Germany
| | - Stefan Dowiasch
- CMBB - Center for Mind, Brain and Behavior, Universities Gießen and Marburg, Marburg, Germany
- Department of Neurophysics, University of Marburg, Marburg, Germany
- Thomas RECORDING GmbH, Giessen, Germany
| | - Lars Timmermann
- Department of Neurology, University Hospital Marburg, 35033, Marburg, Germany
- CMBB - Center for Mind, Brain and Behavior, Universities Gießen and Marburg, Marburg, Germany
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36
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Lhost J, More S, Watabe I, Louber D, Ouagazzal AM, Liberge M, Amalric M. Interplay Between Inhibitory Control and Behavioural Flexibility: Impact of Dorsomedial Striatal Dopamine Denervation in Mice. Neuroscience 2021; 477:25-39. [PMID: 34634423 DOI: 10.1016/j.neuroscience.2021.09.026] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2021] [Revised: 09/10/2021] [Accepted: 09/30/2021] [Indexed: 02/06/2023]
Abstract
In Parkinson's disease, nigrostriatal dopamine (DA) degeneration is commonly associated with motor symptomatology. However, non-motor symptoms affecting cognitive function, such as behavioural flexibility and inhibitory control may also appear early in the disease. Here we addressed the role of DA innervation of the dorsomedial striatum (DMS) in mediating these functions in 6-hydroxydopamine (6-OHDA)-lesioned mice using instrumental conditioning in various tasks. Behavioural flexibility was studied in a simple reversal task (nose-poke discrimination) or in reversal of a two-step sequence of actions (central followed by lateral nose-poke). Our results show that mild DA lesions of the DMS induces behavioural flexibility deficits in the sequential reversal learning only. In the first sessions following reversal of contingency, lesioned mice enhanced perseverative sequence of actions to the initial rewarded side then produced premature responses directly to the correct side omitting the central response, thus disrupting the two-step sequence of actions. These deficits may be linked to increased impulsivity as 6-OHDA-lesioned mice were unable to inhibit a previously learned motor response in a cued response inhibition task assessing proactive inhibitory control. Our findings show that partial DA denervation restricted to DMS impairs behavioural flexibility and proactive response inhibition in mice. Such striatal DA lesion may thus represent a valuable animal model for exploring deficits in executive control documented in early stage of Parkinson's disease.
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Affiliation(s)
| | - Simon More
- Aix Marseille Univ, CNRS, Marseille, France
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Chen T, Lin F, Cai G. Comparison of the Efficacy of Deep Brain Stimulation in Different Targets in Improving Gait in Parkinson's Disease: A Systematic Review and Bayesian Network Meta-Analysis. Front Hum Neurosci 2021; 15:749722. [PMID: 34744665 PMCID: PMC8568957 DOI: 10.3389/fnhum.2021.749722] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2021] [Accepted: 09/02/2021] [Indexed: 12/01/2022] Open
Abstract
Background: Although a variety of targets for deep brain stimulation (DBS) have been found to be effective in Parkinson's disease (PD), it remains unclear which target for DBS leads to the best improvement in gait disorders in patients with PD. The purpose of this network meta-analysis (NMA) is to compare the efficacy of subthalamic nucleus (STN)-DBS, internal globus pallidus (GPi)-DBS, and pedunculopontine nucleus (PPN)-DBS, in improving gait disorders in patients with PD. Methods: We searched the PubMed database for articles published from January 1990 to December 2020. We used various languages to search for relevant documents to reduce language bias. A Bayesian NMA and systematic review of randomized and non-randomized controlled trials were conducted to explore the effects of different targets for DBS on gait damage. Result: In the 34 included studies, 538 patients with PD met the inclusion criteria. The NMA results of the effect of the DBS “on and off” on the mean change of the gait of the patients in medication-off show that GPi-DBS, STN-DBS, and PPN-DBS are significantly better than the baseline [GPi-DBS: –0.79(–1.2, –0.41), STN-DBS: –0.97(–1.1, –0.81), and PPN-DBS: –0.56(–1.1, –0.021)]. According to the surface under the cumulative ranking (SUCRA) score, the STN-DBS (SUCRA = 74.15%) ranked first, followed by the GPi-DBS (SUCRA = 48.30%), and the PPN-DBS (SUCRA = 27.20%) ranked last. The NMA results of the effect of the DBS “on and off” on the mean change of the gait of the patients in medication-on show that, compared with baseline, GPi-DBS and STN-DBS proved to be significantly effective [GPi-DBS: –0.53 (–1.0, –0.088) and STN-DBS: –0.47(–0.66, –0.29)]. The GPi-DBS ranked first (SUCRA = 59.00%), followed by STN-DBS(SUCRA = 51.70%), and PPN-DBS(SUCRA = 35.93%) ranked last. Conclusion: The meta-analysis results show that both the STN-DBS and GPi-DBS can affect certain aspects of PD gait disorder.
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Affiliation(s)
- Tianyi Chen
- School of Mathematics, Shandong University, Jinan, China
| | - Fabin Lin
- Department of Neurology, Fujian Medical University Union Hospital, Fuzhou, China.,Fujian Key Laboratory of Molecular Neurology, Institute of Clinical Neurology, Institute of Neuroscience, Fujian Medical University, Fuzhou, China
| | - Guoen Cai
- Department of Neurology, Fujian Medical University Union Hospital, Fuzhou, China.,Fujian Key Laboratory of Molecular Neurology, Institute of Clinical Neurology, Institute of Neuroscience, Fujian Medical University, Fuzhou, China
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38
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O’Callaghan C, Hezemans FH, Ye R, Rua C, Jones PS, Murley AG, Holland N, Regenthal R, Tsvetanov KA, Wolpe N, Barker RA, Williams-Gray CH, Robbins TW, Passamonti L, Rowe JB. Locus coeruleus integrity and the effect of atomoxetine on response inhibition in Parkinson's disease. Brain 2021; 144:2513-2526. [PMID: 33783470 PMCID: PMC7611672 DOI: 10.1093/brain/awab142] [Citation(s) in RCA: 40] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2020] [Revised: 03/09/2021] [Accepted: 03/23/2021] [Indexed: 11/23/2022] Open
Abstract
Cognitive decline is a common feature of Parkinson's disease, and many of these cognitive deficits fail to respond to dopaminergic therapy. Therefore, targeting other neuromodulatory systems represents an important therapeutic strategy. Among these, the locus coeruleus-noradrenaline system has been extensively implicated in response inhibition deficits. Restoring noradrenaline levels using the noradrenergic reuptake inhibitor atomoxetine can improve response inhibition in some patients with Parkinson's disease, but there is considerable heterogeneity in treatment response. Accurately predicting the patients who would benefit from therapies targeting this neurotransmitter system remains a critical goal, in order to design the necessary clinical trials with stratified patient selection to establish the therapeutic potential of atomoxetine. Here, we test the hypothesis that integrity of the noradrenergic locus coeruleus explains the variation in improvement of response inhibition following atomoxetine. In a double-blind placebo-controlled randomized crossover design, 19 patients with Parkinson's disease completed an acute psychopharmacological challenge with 40 mg of oral atomoxetine or placebo. A stop-signal task was used to measure response inhibition, with stop-signal reaction times obtained through hierarchical Bayesian estimation of an ex-Gaussian race model. Twenty-six control subjects completed the same task without undergoing the drug manipulation. In a separate session, patients and controls underwent ultra-high field 7 T imaging of the locus coeruleus using a neuromelanin-sensitive magnetization transfer sequence. The principal result was that atomoxetine improved stop-signal reaction times in those patients with lower locus coeruleus integrity. This was in the context of a general impairment in response inhibition, as patients on placebo had longer stop-signal reaction times compared to controls. We also found that the caudal portion of the locus coeruleus showed the largest neuromelanin signal decrease in the patients compared to controls. Our results highlight a link between the integrity of the noradrenergic locus coeruleus and response inhibition in patients with Parkinson's disease. Furthermore, they demonstrate the importance of baseline noradrenergic state in determining the response to atomoxetine. We suggest that locus coeruleus neuromelanin imaging offers a marker of noradrenergic capacity that could be used to stratify patients in trials of noradrenergic therapy and to ultimately inform personalized treatment approaches.
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Affiliation(s)
- Claire O’Callaghan
- Brain and Mind Centre and School of Medical Sciences, Faculty of Medicine and Health, University of Sydney, Sydney 2050, Australia
- Department of Psychiatry, University of Cambridge, Cambridge CB2 0SZ, UK
| | - Frank H Hezemans
- MRC Cognition and Brain Sciences Unit, University of Cambridge, Cambridge CB2 7EF, UK
- Department of Clinical Neurosciences, University of Cambridge, Cambridge CB2 0SZ, UK
| | - Rong Ye
- Department of Clinical Neurosciences, University of Cambridge, Cambridge CB2 0SZ, UK
| | - Catarina Rua
- Department of Clinical Neurosciences, University of Cambridge, Cambridge CB2 0SZ, UK
- Wolfson Brain Imaging Centre, University of Cambridge, Cambridge 04107, UK
| | - P Simon Jones
- Department of Clinical Neurosciences, University of Cambridge, Cambridge CB2 0SZ, UK
| | - Alexander G Murley
- Department of Clinical Neurosciences, University of Cambridge, Cambridge CB2 0SZ, UK
| | - Negin Holland
- Department of Clinical Neurosciences, University of Cambridge, Cambridge CB2 0SZ, UK
| | - Ralf Regenthal
- Division of Clinical Pharmacology, Rudolf-Boehm-Institute for Pharmacology and Toxicology, University of Leipzig, Leipzig 69978, Germany
| | - Kamen A Tsvetanov
- Department of Clinical Neurosciences, University of Cambridge, Cambridge CB2 0SZ, UK
| | - Noham Wolpe
- Department of Psychiatry, University of Cambridge, Cambridge CB2 0SZ, UK
- Department of Physical Therapy, Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel
| | - Roger A Barker
- John van Geest Centre for Brain Repair, Department of Clinical Neurosciences, University of Cambridge, Cambridge CB2 0SZ, UK
- Wellcome Trust—Medical Research Council Stem Cell Institute, University of Cambridge, Cambridge CB2 0AW, UK
| | - Caroline H Williams-Gray
- John van Geest Centre for Brain Repair, Department of Clinical Neurosciences, University of Cambridge, Cambridge CB2 0SZ, UK
| | - Trevor W Robbins
- Department of Psychology, University of Cambridge, Cambridge CB2 3EA, UK
- Behavioural and Clinical Neuroscience Institute, University of Cambridge, Cambridge CB2 3EA, UK
| | - Luca Passamonti
- Department of Clinical Neurosciences, University of Cambridge, Cambridge CB2 0SZ, UK
| | - James B Rowe
- MRC Cognition and Brain Sciences Unit, University of Cambridge, Cambridge CB2 7EF, UK
- Department of Clinical Neurosciences, University of Cambridge, Cambridge CB2 0SZ, UK
- Cambridge University Hospitals NHS Trust, Cambridge, CB2 0QQ, UK
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39
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Mosley PE, Robinson K, Dissanayaka NN, Coyne T, Silburn P, Marsh R, Pye D. A Pilot Trial of Cognitive Behavioral Therapy for Caregivers After Deep Brain Stimulation for Parkinson's Disease. J Geriatr Psychiatry Neurol 2021; 34:454-465. [PMID: 32400266 DOI: 10.1177/0891988720924720] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Subthalamic deep brain stimulation for Parkinson's disease may not ameliorate burden among caregivers. An 8-session, manualized program of cognitive-behavioral therapy (CBT) was delivered to a pilot sample of 10 caregivers (6 females, mean age: 60, age range: 34-79). Primary outcome measures were caregiver burden (Zarit Burden Interview) and caregiver quality of life (Parkinson's Disease Questionnaire-Carer). Secondary outcome measures comprised ratings of depression and anxiety in the caregiver, in addition to relationship quality. Caregiver burden (t = 2.91 P = .017) and caregiver anxiety (t = 2.82 P = .020) symptoms were significantly reduced at completion of the program, and these benefits were maintained 3 months later. Caregiver quality of life had significantly improved by the end of the intervention (t = 3.02 P = .015), but this effect was not sustained after 3 months. The longitudinal influence of participation in the program on caregiver burden was confirmed in a linear, mixed-effects model, χ2 (3) = 15.1, P = .0017). The intervention was well received by participants, and qualitative feedback was obtained. These results indicate that caregiver burden is modifiable in this cohort with a short course of CBT, that benefits are maintained after termination of the program, and that psychological treatment is acceptable to participants. Larger, controlled trials are justified.
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Affiliation(s)
- Philip E Mosley
- Systems Neuroscience Group, 56362QIMR Berghofer Medical Research Institute, Herston, Queensland, Australia.,Neurosciences Queensland, St Andrew's War Memorial Hospital, Spring Hill, Queensland, Australia.,171919Queensland Brain Institute, University of Queensland, St Lucia, Queensland, Australia.,Faculty of Medicine, 171919University of Queensland, Herston, Queensland, Australia
| | - Katherine Robinson
- Systems Neuroscience Group, 56362QIMR Berghofer Medical Research Institute, Herston, Queensland, Australia
| | - Nadeeka N Dissanayaka
- UQ Centre for Clinical Research, Faculty of Medicine, University of Queensland, Herston, Queensland, Australia.,310748School of Psychology, St Lucia, University of Queensland, Brisbane, Australia.,Department of Neurology, 3883Royal Brisbane & Women's Hospital, Herston, Queensland, Australia
| | - Terry Coyne
- 171919Queensland Brain Institute, University of Queensland, St Lucia, Queensland, Australia.,Brizbrain and Spine, The Wesley Hospital, Auchenflower, Queensland, Australia
| | - Peter Silburn
- Neurosciences Queensland, St Andrew's War Memorial Hospital, Spring Hill, Queensland, Australia.,171919Queensland Brain Institute, University of Queensland, St Lucia, Queensland, Australia
| | - Rodney Marsh
- Neurosciences Queensland, St Andrew's War Memorial Hospital, Spring Hill, Queensland, Australia.,Department of Psychiatry, 3883Royal Brisbane & Women's Hospital, Herston, Queensland, Australia
| | - Deidre Pye
- 310748School of Psychology, St Lucia, University of Queensland, Brisbane, Australia
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40
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Wilt JA, Merner AR, Zeigler J, Montpetite M, Kubu CS. Does Personality Change Follow Deep Brain Stimulation in Parkinson's Disease Patients? Front Psychol 2021; 12:643277. [PMID: 34393883 PMCID: PMC8361492 DOI: 10.3389/fpsyg.2021.643277] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2020] [Accepted: 03/15/2021] [Indexed: 12/19/2022] Open
Abstract
Deep Brain Stimulation (DBS) has emerged as a safe, effective, and appealing treatment for Parkinson's Disease (PD), particularly for improving motor symptoms (e. g., tremor, bradykinesia, and rigidity). However, concerns have been raised about whether DBS causes psychological changes, including changes to personality: characteristic and relatively stable patterns of affect, behavior, cognition, and desire. In this article, after first presenting some background information about PD and DBS, we examined evidence obtained from various empirical research methods (quantitative, qualitative, and mixed methods for evaluating patient valued characteristics) pertaining to whether DBS causes personality change. General limitations across research methods include a lack of randomized clinical trials and small sample sizes. We organized our review of findings according to different layers of personality variables: dispositional traits (including personality pathology), characteristic adaptations, and narrative identity. Though most work has been done on dispositional traits, there is not much evidence that dispositional traits change following DBS. Little work has been done on characteristic adaptations, but there is somewhat consistent evidence for positive perceived progress toward goals across a number of domains: routine activities, work, social/relational, and leisure. Nascent work on narrative identity holds promise for revealing issues around self-image that may be common following DBS. We listed a number of strategies for advancing research, highlighting opportunities related to personality conceptualization, personality assessment, and interdisciplinary scholarship. Finally, we offer practical applications of our findings for the informed consent process and for ongoing treatment.
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Affiliation(s)
- Joshua A Wilt
- Department of Psychological Sciences, Case Western Reserve University, Cleveland, OH, United States
| | - Amanda R Merner
- Department of Psychological Sciences, Case Western Reserve University, Cleveland, OH, United States.,Department of Neurology, Cleveland Clinic, Cleveland, OH, United States
| | - Jaclyn Zeigler
- Department of Neurology, Cleveland Clinic, Cleveland, OH, United States
| | | | - Cynthia S Kubu
- Department of Neurology, Cleveland Clinic, Cleveland, OH, United States.,Cleveland Clinic Lerner College of Medicine of Case Western Reserve University, Cleveland, OH, United States
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41
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Fournet M, Pernon M, Catalano Chiuvé S, Lopez U, Laganaro M. Attention in post-lexical processes of utterance production: Dual-task cost in younger and older adults. Q J Exp Psychol (Hove) 2021; 74:1852-1872. [PMID: 34238085 PMCID: PMC8451003 DOI: 10.1177/17470218211034130] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
There is a general agreement that speaking requires attention at least for conceptual and lexical processes of utterance production. However, conflicting results have been obtained with dual-task paradigms using either repetition tasks or more generally tasks involving limited loading of lexical selection. This study aimed to investigate whether post-lexical processes recruit attentional resources. We used a new dual-task paradigm in a set of experiments where a continuous verbal production task involved either high or low demand on lexical selection processes. Experiment 1 evaluates lexical and post-lexical processes with a semantic verbal fluency task, whereas Experiments 2 and 3 focus on post-lexical processes with a non-propositional speech task. In each experiment, two types of non-verbal secondary tasks were used: processing speed (simple manual reaction times) or inhibition (Go/No-go). In Experiment 1, a dual-task cost was observed on the semantic verbal fluency task and each non-verbal task. In Experiment 2, a dual-task cost appeared on the non-verbal tasks but not on the speech task. The same paradigm was used with older adults (Experiment 3), as increased effort in post-lexical processes has been associated with ageing. For older adults, a dual-task cost was also observed on the non-propositional verbal task when speech was produced with the inhibition non-verbal task. The results suggest an attentional cost on post-lexical processes and strategic effects in the resolution of the dual-task.
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Affiliation(s)
- Maryll Fournet
- Faculty of Psychology and Educational Sciences, University of Geneva, Geneva, Switzerland.,Department of Neurology, Geneva University Hospitals, Geneva, Switzerland.,Neuropsychological Service-Neurorehabilitation, Geneva University Hospitals, Geneva, Switzerland
| | - Michaela Pernon
- Department of Neurology, Geneva University Hospitals, Geneva, Switzerland.,Laboratory of Phonetics and Phonology, National Scientific Research Center, University Sorbonne Nouvelle, Paris, France
| | | | - Ursula Lopez
- Department of Neurology, Geneva University Hospitals, Geneva, Switzerland.,Neuropsychology and Speech Therapy Service, Fribourg Hospital, Fribourg, Switzerland
| | - Marina Laganaro
- Faculty of Psychology and Educational Sciences, University of Geneva, Geneva, Switzerland
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42
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Ricciardi L, Fischer P, Mostofi A, Tinkhauser G, Torrecillos F, Baig F, Edwards MJ, Pereira EAC, Morgante F, Brown P. Neurophysiological Correlates of Trait Impulsivity in Parkinson's Disease. Mov Disord 2021; 36:2126-2135. [PMID: 33982824 PMCID: PMC7611688 DOI: 10.1002/mds.28625] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2020] [Revised: 03/16/2021] [Accepted: 04/05/2021] [Indexed: 11/20/2022] Open
Abstract
Background Impulsivity is common in people with Parkinson’s disease (PD), with many developing impulsive compulsive behavior disorders (ICB). Its pathophysiological basis remains unclear. Objectives We aimed to investigate local field potential (LFP) markers of trait impulsivity in PD and their relationship to ICB. Methods We recorded subthalamic nucleus (STN) LFPs in 23 PD patients undergoing deep brain stimulation implantation. Presence and severity of ICB were assessed by clinical interview and the Questionnaire for Impulsive-Compulsive Disorders in PD-Rating Scale (QUIP-RS), whereas trait impulsivity was estimated with the Barratt Impulsivity Scale (BIS-11). Recordings were obtained during the off dopaminergic states and the power spectrum of the subthalamic activity was analyzed using Fourier transform-based techniques. Assessment of each electrode contact localization was done to determine the topography of the oscillatory activity recorded. Results Patients with (n = 6) and without (n = 17) ICB had similar LFP spectra. A multiple regression model including QUIP-RS, BIS-11, and Unified PD Rating Scale-III scores as regressors showed a significant positive correlation between 8–13 Hz power and BIS-11 score. The correlation was mainly driven by the motor factor of the BIS-11, and was irrespective of the presence or absence of active ICB. Electrode contact pairs with the highest α power, which also correlated most strongly with BIS-11, tended to be more ventral than contact pairs with the highest beta power, which localize to the dorsolateral motor STN. Conclusions Our data suggest a link between α power and trait impulsivity in PD, irrespective of the presence and severity of ICB.
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Affiliation(s)
- Lucia Ricciardi
- Neurosciences Research Centre, Molecular and Clinical Sciences Research Institute, St George's University of London, London, United Kingdom.,Medical Research Council Brain Network Dynamics Unit, Nuffield Department of Clinical Neurosciences, Oxford, United Kingdom
| | - Petra Fischer
- Medical Research Council Brain Network Dynamics Unit, Nuffield Department of Clinical Neurosciences, Oxford, United Kingdom
| | - Abteen Mostofi
- Neurosciences Research Centre, Molecular and Clinical Sciences Research Institute, St George's University of London, London, United Kingdom
| | - Gerd Tinkhauser
- Department of Neurology, Bern University Hospital and University of Bern, Bern, Switzerland
| | - Flavie Torrecillos
- Medical Research Council Brain Network Dynamics Unit, Nuffield Department of Clinical Neurosciences, Oxford, United Kingdom
| | - Fahd Baig
- Neurosciences Research Centre, Molecular and Clinical Sciences Research Institute, St George's University of London, London, United Kingdom.,Medical Research Council Brain Network Dynamics Unit, Nuffield Department of Clinical Neurosciences, Oxford, United Kingdom
| | - Mark J Edwards
- Neurosciences Research Centre, Molecular and Clinical Sciences Research Institute, St George's University of London, London, United Kingdom
| | - Erlick A C Pereira
- Neurosciences Research Centre, Molecular and Clinical Sciences Research Institute, St George's University of London, London, United Kingdom
| | - Francesca Morgante
- Neurosciences Research Centre, Molecular and Clinical Sciences Research Institute, St George's University of London, London, United Kingdom.,Department of Clinical and Experimental Medicine, University of Messina, Messina, Italy
| | - Peter Brown
- Medical Research Council Brain Network Dynamics Unit, Nuffield Department of Clinical Neurosciences, Oxford, United Kingdom
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Kardous R, Joly H, Giordana B, Stefanini L, Mulliez A, Giordana C, Lemaire JJ, Fontaine D. Functional and dysfunctional impulsivities changes after subthalamic nucleus-deep brain stimulation in Parkinson disease. Neurochirurgie 2021; 67:420-426. [PMID: 33845115 DOI: 10.1016/j.neuchi.2021.03.013] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2020] [Revised: 03/04/2021] [Accepted: 03/21/2021] [Indexed: 11/25/2022]
Abstract
OBJECTIVES We investigated changes of impulsivity after deep brain stimulation (DBS) of the subthalamic nucleus (STN) in Parkinson's disease (PD) patients, distinguishing functional from dysfunctional impulsivity and their contributing factors. METHODS Data of 33 PD patients treated by STN-DBS were studied before and 6 months after surgery: motor impairment, medication (dose and dopaminergic agonists), cognition, mood and occurrence of impulse control disorders. Impulsivity was assessed by the Dickman Impulsivity Inventory, which distinguishes functional impulsivity (FI), reflecting the potential for reasoning and rapid action when the situation requires it, and dysfunctional impulsivity (DI), reflecting the lack of prior reasoning, even when the situation demands it. The location of DBS leads was studied on postoperative MRI using a deformable histological atlas and by compartmentalization of the STN. RESULTS After STN-DBS, DI was significantly increased (mean pre- and postoperative DI scores 1.9±1.6 and 3.5±2.4, P<0.001) although FI was not modified (mean pre- and postoperative FI scores 6.2±2.7 and 5.8±2.6). Factors associated with a DI score's increase≥2 (multivariable logistic regression model) were: low preoperative Frontal Assessment Battery score and location of the left active contact in the ventral part of the STN. CONCLUSION Our study suggests that STN-DBS may have a different impact on both dimensions of impulsivity, worsening pathological impulsivity without altering physiological impulsivity. The increase in dysfunctional impulsivity may be favoured by the location of the electrode in the ventral part of the STN.
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Affiliation(s)
- R Kardous
- Department of Psychiatry, Université Côte d'Azur, CHU de Nice, Nice, France; Centre d'acceuil Psychiatrique, Université Côte d'Azur, CHU de Nice, Nice, France
| | - H Joly
- Department of Neurology, CRC SEP, UR2CA, URRIS, Université Côte d'Azur, CHU de Nice, Hôpital Pasteur 2, 30, avenue de la voie Romaine, 06000 Nice, France.
| | - B Giordana
- Department of Psychiatry, Université Côte d'Azur, CHU de Nice, Nice, France
| | - L Stefanini
- Department of Psychiatry, Université Côte d'Azur, CHU de Nice, Nice, France
| | - A Mulliez
- Unité de Biostatistiques (DRCI), CHU de Clermont-Ferrand, Clermont-Ferrand, France
| | - C Giordana
- Department of Neurology, Université Côte d'Azur, CHU de Nice, Nice, France
| | - J-J Lemaire
- CNRS, SIGMA Clermont, Institut Pascal, Université Clermont-Auvergne, Clermont-Ferrand, France
| | - D Fontaine
- Department of Neurosurgery, Université Côte d'Azur, CHU de Nice, Nice, France
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44
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Mosher CP, Mamelak AN, Malekmohammadi M, Pouratian N, Rutishauser U. Distinct roles of dorsal and ventral subthalamic neurons in action selection and cancellation. Neuron 2021; 109:869-881.e6. [PMID: 33482087 PMCID: PMC7933114 DOI: 10.1016/j.neuron.2020.12.025] [Citation(s) in RCA: 41] [Impact Index Per Article: 13.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2020] [Revised: 12/12/2020] [Accepted: 12/30/2020] [Indexed: 12/11/2022]
Abstract
The subthalamic nucleus (STN) supports action selection by inhibiting all motor programs except the desired one. Recent evidence suggests that STN can also cancel an already selected action when goals change, a key aspect of cognitive control. However, there is little neurophysiological evidence for dissociation between selecting and cancelling actions in the human STN. We recorded single neurons in the STN of humans performing a stop-signal task. Movement-related neurons suppressed their activity during successful stopping, whereas stop-signal neurons activated at low-latencies near the stop-signal reaction time. In contrast, STN and motor-cortical beta-bursting occurred only later in the stopping process. Task-related neuronal properties varied by recording location from dorsolateral movement to ventromedial stop-signal tuning. Therefore, action selection and cancellation coexist in STN but are anatomically segregated. These results show that human ventromedial STN neurons carry fast stop-related signals suitable for implementing cognitive control.
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Affiliation(s)
- Clayton P Mosher
- Department of Neurosurgery, Cedars-Sinai Medical Center, Los Angeles, CA 90048, USA
| | - Adam N Mamelak
- Department of Neurosurgery, Cedars-Sinai Medical Center, Los Angeles, CA 90048, USA
| | - Mahsa Malekmohammadi
- Department of Neurosurgery, University of California, Los Angeles, Los Angeles, CA 90095, USA
| | - Nader Pouratian
- Department of Neurosurgery, University of California, Los Angeles, Los Angeles, CA 90095, USA
| | - Ueli Rutishauser
- Department of Neurosurgery, Cedars-Sinai Medical Center, Los Angeles, CA 90048, USA; Division of Biology and Biological Engineering, California Institute of Technology, Pasadena, CA 91125, USA; Department of Neurology, Cedars-Sinai Medical Center, Los Angeles, CA 90048, USA; Center for Neural Science and Medicine, Department of Biomedical Sciences, Cedars-Sinai Medical Center, Los Angeles, CA 90048, USA.
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45
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Witt K. The Impact of the Basal Ganglia on Working Memory: Evidence from Parkinson's Disease. Mov Disord 2021; 36:13-15. [PMID: 33492789 DOI: 10.1002/mds.28358] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2020] [Accepted: 10/06/2020] [Indexed: 11/07/2022] Open
Affiliation(s)
- Karsten Witt
- Department of Neurology, Evangelical Hospital Oldenburg, and Research Center of Neurosensory Sciences, Carl von Ossietzky-University, Oldenburg, Germany
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46
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Ntetsika T, Papathoma PE, Markaki I. Novel targeted therapies for Parkinson's disease. Mol Med 2021; 27:17. [PMID: 33632120 PMCID: PMC7905684 DOI: 10.1186/s10020-021-00279-2] [Citation(s) in RCA: 44] [Impact Index Per Article: 14.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2020] [Revised: 02/03/2021] [Accepted: 02/08/2021] [Indexed: 02/07/2023] Open
Abstract
Parkinson’s disease (PD) is the second more common neurodegenerative disease with increasing incidence worldwide associated to the population ageing. Despite increasing awareness and significant research advancements, treatment options comprise dopamine repleting, symptomatic therapies that have significantly increased quality of life and life expectancy, but no therapies that halt or reverse disease progression, which remain a great, unmet goal in PD research. Large biomarker development programs are undertaken to identify disease signatures that will improve patient selection and outcome measures in clinical trials. In this review, we summarize PD-related mechanisms that can serve as targets of therapeutic interventions aiming to slow or modify disease progression, as well as previous and ongoing clinical trials in each field, and discuss future perspectives.
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Affiliation(s)
- Theodora Ntetsika
- Department of Clinical Neuroscience, Karolinska Institutet, Stockholm, Sweden.,Center of Neurology, Academic Specialist Center, Solnavägen 1E, 113 65, Stockholm, Sweden
| | - Paraskevi-Evita Papathoma
- Department of Clinical Neuroscience, Karolinska Institutet, Stockholm, Sweden.,Department of Neurology, Danderyd Hospital Stockholm, Stockholm, Sweden
| | - Ioanna Markaki
- Department of Clinical Neuroscience, Karolinska Institutet, Stockholm, Sweden. .,Center of Neurology, Academic Specialist Center, Solnavägen 1E, 113 65, Stockholm, Sweden.
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47
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Micheli F, Vissani M, Pecchioli G, Terenzi F, Ramat S, Mazzoni A. Impulsivity Markers in Parkinsonian Subthalamic Single-Unit Activity. Mov Disord 2021; 36:1435-1440. [PMID: 33453079 DOI: 10.1002/mds.28497] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2020] [Revised: 12/14/2020] [Accepted: 12/21/2020] [Indexed: 01/21/2023] Open
Abstract
BACKGROUND Impulsive-compulsive behaviors are common in Parkinson's disease (PD) patients. However, the basal ganglia dysfunctions associated with high impulsivity have not been fully characterized. The objective of this study was to identify the features associated with impulsive-compulsive behaviors in single neurons of the subthalamic nucleus (STN). METHODS We compared temporal and spectral features of 412 subthalamic neurons from 12 PD patients with impulsive-compulsive behaviors and 330 neurons from 12 PD patients without. Single-unit activities were extracted from exploratory microrecordings performed during deep brain stimulation (DBS) implant surgery in an OFF medication state. RESULTS Patients with impulsive-compulsive behaviors displayed decreased firing frequency during bursts and a larger fraction of tonic neurons combined with weaker beta coherence. Information carried by these features led to the identification of patients with impulsive-compulsive behaviors with an accuracy greater than 80%. CONCLUSIONS Impulsive-compulsive behaviors in PD patients are associated with decreased bursts in STN neurons in the OFF medication state. © 2021 International Parkinson and Movement Disorder Society.
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Affiliation(s)
- Federico Micheli
- The Biorobotics Institute, Scuola Superiore Sant'Anna, Pisa, Italy.,Department of Excellence in Robotics and AI, Scuola Superiore Sant'Anna, Pisa, Italy
| | - Matteo Vissani
- The Biorobotics Institute, Scuola Superiore Sant'Anna, Pisa, Italy.,Department of Excellence in Robotics and AI, Scuola Superiore Sant'Anna, Pisa, Italy
| | - Guido Pecchioli
- Dipartimento Neuromuscolo-Scheletrico e degli Organi di Senso, AOU Careggi, Florence, Italy
| | - Federica Terenzi
- Dipartimento di Neuroscienze, Psicologia, Università degli Studi di Firenze, Area del Farmaco e Salute del Bambino, Florence, Italy
| | - Silvia Ramat
- Dipartimento Neuromuscolo-Scheletrico e degli Organi di Senso, AOU Careggi, Florence, Italy
| | - Alberto Mazzoni
- The Biorobotics Institute, Scuola Superiore Sant'Anna, Pisa, Italy.,Department of Excellence in Robotics and AI, Scuola Superiore Sant'Anna, Pisa, Italy
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48
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van den Wildenberg WPM, van Wouwe NC, Ridderinkhof KR, Neimat JS, Elias WJ, Bashore TR, Wylie SA. Deep-brain stimulation of the subthalamic nucleus improves overriding motor actions in Parkinson's disease. Behav Brain Res 2021; 402:113124. [PMID: 33422595 DOI: 10.1016/j.bbr.2021.113124] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2020] [Revised: 01/04/2021] [Accepted: 01/04/2021] [Indexed: 11/17/2022]
Abstract
Findings from previous research using the classic stop-signal task indicate that the subthalamic nucleus (STN) plays an important role in the ability to inhibit motor actions. Here we extend these findings using a stop-change task that requires voluntary action override to stop an ongoing motor response and change to an alternative response. Sixteen patients diagnosed with Parkinson's disease (PD) and 16 healthy control participants (HC) performed the stop-change task. PD patients completed the task when deep-brain stimulation (DBS) of the STN was turned on and when it was turned off. Behavioral results indicated that going, stopping, and changing latencies were shortened significantly among PD patients during STN DBS, the former two reductions replicating findings from previous DBS studies using the classic stop-signal task. The shortened go latencies observed among PD patients fell within the control range. In contrast, stopping latencies among PD patients, although reduced significantly, continued to be significantly longer than those of the HC. Like go latencies, stop-change latencies were reduced sufficiently among PD patients for them to fall within the control range, a novel finding. In conclusion, STN DBS produced a general, but differential, improvement in the ability of PD patients to override motor actions. Going, stopping, and stop-change latencies were all shortened, but only going and stop-change latencies were normalized.
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Affiliation(s)
- Wery P M van den Wildenberg
- Department of Psychology, University of Amsterdam, Amsterdam, the Netherlands; Amsterdam Brain and Cognition (ABC), University of Amsterdam, Amsterdam, the Netherlands.
| | | | - K Richard Ridderinkhof
- Department of Psychology, University of Amsterdam, Amsterdam, the Netherlands; Amsterdam Brain and Cognition (ABC), University of Amsterdam, Amsterdam, the Netherlands
| | - Joseph S Neimat
- Department of Neurosurgery, University of Louisville, Louisville, KY, USA
| | - W Jeffrey Elias
- Department of Neurosurgery, University of Virginia Health Systems, Charlottesville, VA, USA
| | - Theodore R Bashore
- Department of Neurosurgery, University of Louisville, Louisville, KY, USA; School of Psychological Sciences, University of Northern Colorado, Greeley, CO, USA
| | - Scott A Wylie
- Department of Neurosurgery, University of Louisville, Louisville, KY, USA
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Mosley PE, Robinson K, Coyne T, Silburn P, Barker MS, Breakspear M, Robinson GA, Perry A. Subthalamic deep brain stimulation identifies frontal networks supporting initiation, inhibition and strategy use in Parkinson's disease. Neuroimage 2020; 223:117352. [DOI: 10.1016/j.neuroimage.2020.117352] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2020] [Revised: 07/22/2020] [Accepted: 09/04/2020] [Indexed: 12/13/2022] Open
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50
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Chabardes S, Krack P, Piallat B, Bougerol T, Seigneuret E, Yelnik J, Fernandez Vidal S, David O, Mallet L, Benabid AL, Polosan M. Deep brain stimulation of the subthalamic nucleus in obsessive-compulsives disorders: long-term follow-up of an open, prospective, observational cohort. J Neurol Neurosurg Psychiatry 2020; 91:1349-1356. [PMID: 33033168 PMCID: PMC7677463 DOI: 10.1136/jnnp-2020-323421] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/05/2020] [Revised: 07/01/2020] [Accepted: 08/31/2020] [Indexed: 12/22/2022]
Abstract
BACKGROUND Obsessive-compulsive disorder (OCD) is a major cause of disability in western country and responsible for severe impairment of quality of life. About 10% of patients present with severe OCD symptoms and require innovative treatment such as deep brain stimulation (DBS). Among possible targets, the non-motor subthalamic nucleus (STN) is a key node of the basal ganglia circuitry, strongly connected to limbic cortical areas known to be involved in OCD. METHOD We analysed, in a prospective, observational, monocentric, open label cohort, the effect of chronic non-motor STN-DBS in 19 patients with treatment-resistant OCD consecutively operated in a single centre. Severity of OCD was evaluated using the Yale and Brown Obsessive-Compulsive Scale (YBOCS). YBOCS scores at 6, 12 and 24 months postoperatively were compared with baseline. Responders were defined by >35% improvement of YBOCS scores. Global Assessment Functioning (GAF) scale was used to evaluate the impact of improvement. RESULTS At a 24-month follow-up, the mean YBOCS score improved by 53.4% from 33.3±3.5 to 15.8±9.1 (95% CI 11.2-20.4; p<0.0001). Fourteen out of 19 patients were considered as responders, 5 out of 19 being improved over 75% and 10 out of 19 over 50%. GAF scale improved by 92% from 34.1±3.9 to 66.4±18.8 (95% CI 56.7-76.1; p=0.0003). The most frequent adverse events consisted of transient DBS-induced hypomania and anxiety. CONCLUSION Chronic DBS of the non-motor STN is an effective and relatively safe procedure to treat severe OCD resistant to conventional management.
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Affiliation(s)
- Stephan Chabardes
- CLINATEC, CEA Clinatec-Minatec, Grenoble, France .,Department of Neurosurgery, Centre Hospitalier Universitaire Grenoble Alpes, Grenoble, France.,Grenoble Institut neurosciences, University Grenoble Alpes-INSERM U1216, 38000 Grenoble, France
| | - Paul Krack
- Division of Neurology, Department of Neurology, Bern University Hospital, Bern, Switzerland, Bern, Switzerland.,Department of Neurology, Centre Hospitalier Universitaire Grenoble Alpes, Grenoble, France
| | - Brigitte Piallat
- Grenoble Institut neurosciences, University Grenoble Alpes-INSERM U1216, 38000 Grenoble, France
| | - Thierry Bougerol
- Department of Psychiatry, Centre Hospitalier Universitaire Grenoble Alpes, Grenoble, France
| | - Eric Seigneuret
- Department of Neurosurgery, Centre Hospitalier Universitaire Grenoble Alpes, Grenoble, France
| | - Jerome Yelnik
- Institut du Cerveau, ICM, Inserm U 1127, CNRS UMR 7225, Sorbonne Université, F-75013, Paris, France
| | - Sara Fernandez Vidal
- Institut du Cerveau, ICM, Inserm U 1127, CNRS UMR 7225, Sorbonne Université, F-75013, Paris, France
| | - Olivier David
- Grenoble Institut neurosciences, University Grenoble Alpes-INSERM U1216, 38000 Grenoble, France
| | - Luc Mallet
- Institut du Cerveau, ICM, Inserm U 1127, CNRS UMR 7225, Sorbonne Université, F-75013, Paris, France.,Département Médical-Universitaire de Psychiatrie et d'Addictologie, Univ Paris-Est Créteil, DMU IMPACT, Hôpitaux Universitaires Henri Mondor - Albert Chenevier, Assistance Publique-Hôpitaux de Paris, Créteil, France.,Department of Mental Health and Psychiatry, Global Health Institute, University of Geneva, Geneva, Switzerland
| | | | - Mircea Polosan
- Grenoble Institut neurosciences, University Grenoble Alpes-INSERM U1216, 38000 Grenoble, France.,Department of Psychiatry, Centre Hospitalier Universitaire Grenoble Alpes, Grenoble, France
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