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Wang S, Cai H, Cao Z, Li C, Wu T, Xu F, Qian Y, Chen X, Yu Y. More Than Just Static: Dynamic Functional Connectivity Changes of the Thalamic Nuclei to Cortex in Parkinson's Disease With Freezing of Gait. Front Neurol 2021; 12:735999. [PMID: 34721266 PMCID: PMC8553931 DOI: 10.3389/fneur.2021.735999] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2021] [Accepted: 08/26/2021] [Indexed: 12/04/2022] Open
Abstract
Background: The thalamus is not only a key relay node of the thalamocortical circuit but also a hub in the regulation of gait. Previous studies of resting-state functional magnetic resonance imaging (fMRI) have shown static functional connectivity (FC) between the thalamus and the cortex are disrupted in Parkinson's disease (PD) patients with freezing of gait (FOG). However, temporal dynamic FC between the thalamus and the cortex has not yet been characterized in these patients. Methods: Fifty PD patients, including 25 PD patients with FOG (PD-FOG) and 25 PD patients without FOG (PD-NFOG), and 25 healthy controls (HC) underwent resting-state fMRI. Seed-voxel-wise static and dynamic FC were calculated between each thalamic nuclei and other voxels across the brain using the 14 thalamic nuclei in both hemispheres as regions of interest. Associations between altered thalamic FC based on significant inter-group differences and severity of FOG symptoms were also examined in PD-FOG. Results: Both PD-FOG and PD-NFOG showed lower static FC between the right lateral posterior thalamic nuclei and right inferior parietal lobule (IPL) compared with HC. Altered FC dynamics between the thalamic nuclei and several cortical areas were identified in PD-FOG, as shown by temporal dynamic FC analyses. Specifically, relative to PD-NFOG or HC, PD-FOG showed greater fluctuations in FC between the left intralaminar (IL) nuclei and right IPL and between the left medial geniculate and left postcentral gyrus. Furthermore, the dynamics of FC between the left pulvinar anterior nuclei and left inferior frontal gyrus were upregulated in both PD-FOG and PD-NFOG. The dynamics of FC between the right ventral lateral nuclei and left paracentral lobule were elevated in PD-NFOG but were maintained in PD-FOG and HC. The quantitative variability of FC between the left IL nuclei and right IPL was positively correlated with the clinical scales scores in PD-FOG. Conclusions: Dynamic FC between the thalamic nuclei and relevant associative cortical areas involved in sensorimotor integration or cognitive function was disrupted in PD-FOG, which was reflected by greater temporal fluctuations. Abnormal dynamic FC between the left IL nuclei of the thalamus and right IPL was related to the severity of FOG.
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Affiliation(s)
- Shangpei Wang
- Department of Radiology, The First Affiliated Hospital of Anhui Medical University, Hefei, China.,Research Center of Clinical Medical Imaging, Hefei, China.,Anhui Provincial Institute of Translational Medicine, Hefei, China
| | - Huanhuan Cai
- Department of Radiology, The First Affiliated Hospital of Anhui Medical University, Hefei, China.,Research Center of Clinical Medical Imaging, Hefei, China.,Anhui Provincial Institute of Translational Medicine, Hefei, China
| | - Zong Cao
- Department of Radiology, The First Affiliated Hospital of Anhui Medical University, Hefei, China.,Research Center of Clinical Medical Imaging, Hefei, China.,Anhui Provincial Institute of Translational Medicine, Hefei, China
| | - Chuan Li
- Department of Neurology, The First Affiliated Hospital of Anhui Medical University, Hefei, China
| | - Tong Wu
- Department of Neurology, The First Affiliated Hospital of Anhui Medical University, Hefei, China
| | - Fangcheng Xu
- Department of Neurology, The First Affiliated Hospital of Anhui Medical University, Hefei, China
| | - Yinfeng Qian
- Department of Radiology, The First Affiliated Hospital of Anhui Medical University, Hefei, China.,Research Center of Clinical Medical Imaging, Hefei, China.,Anhui Provincial Institute of Translational Medicine, Hefei, China
| | - Xianwen Chen
- Department of Neurology, The First Affiliated Hospital of Anhui Medical University, Hefei, China
| | - Yongqiang Yu
- Department of Radiology, The First Affiliated Hospital of Anhui Medical University, Hefei, China.,Research Center of Clinical Medical Imaging, Hefei, China.,Anhui Provincial Institute of Translational Medicine, Hefei, China
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Salgues S, Plancher G, Michael GA. Visuospatial working memory abilities and spontaneous sensations perception. Somatosens Mot Res 2021; 38:164-177. [PMID: 34180338 DOI: 10.1080/08990220.2021.1914018] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Aim: Body awareness arises when attending to and maintaining awareness of visuospatial body representations. By the same token, focussing on representations transfers them to working memory. Body awareness and working memory seemingly rely on similar processes and recruit common parietal areas involved in perception. Therefore, we asked whether visuospatial working memory abilities would define individual differences in the perception of spontaneous sensations (SPS), i.e., bodily sensations perceived in the absence of triggers (e.g., tactile stimulation or movement), when attending to the body.Method: Participants completed two visuospatial working memory tasks to assess various mechanisms: (i) the decay of representations was assessed through a Brown-Peterson task in which the delay between the memorandum presentation and its recall was manipulated, and (ii) the impact of distractors' interference and cognitive load (i.e., complexity) on recall performances were assessed through a complex span task that required the processing of distractors while maintaining a memorandum. A standard SPS task involving localization and characterization of SPS perceived on the hands was completed afterwards.Results: Low performance due to decay, distractors' interference and cognitive load in visuospatial working memory was associated with a decrease in the frequency of SPS. Additionally, low performance due to distractors' cognitive load predicted a decrease in the perception of surface-type sensations, and high performance despite distractors' interference led to a better perception of SPS on less sensitive areas of the hand.Conclusion: We discuss how visuospatial working memory processes might contribute to body awareness and perceptual distortions of the body.
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Affiliation(s)
- Sara Salgues
- Université de Lyon, Lyon, France.,Département de Sciences Cognitives, Psychologie Cognitive et Neuropsychologie, Laboratoire d'Étude des Mécanismes Cognitifs (EA 3082), Institut de Psychologie, Université Lyon 2, Lyon, France
| | - Gaën Plancher
- Université de Lyon, Lyon, France.,Département de Sciences Cognitives, Psychologie Cognitive et Neuropsychologie, Laboratoire d'Étude des Mécanismes Cognitifs (EA 3082), Institut de Psychologie, Université Lyon 2, Lyon, France
| | - George A Michael
- Université de Lyon, Lyon, France.,Département de Sciences Cognitives, Psychologie Cognitive et Neuropsychologie, Laboratoire d'Étude des Mécanismes Cognitifs (EA 3082), Institut de Psychologie, Université Lyon 2, Lyon, France
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Lion-François L, Herbillon V, Peyric E, Mercier C, Gérard D, Ginhoux T, Coutinho V, Kemlin I, Kassai B, Desportes V, Michael GA. Attention and Executive Disorders in Neurofibromatosis 1: Comparison Between NF1 With ADHD Symptomatology (NF1 + ADHD) and ADHD Per Se. J Atten Disord 2020; 24:1807-1823. [PMID: 28587546 DOI: 10.1177/1087054717707579] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Objective: To compare children with Neurofibromatosis type 1 and associated ADHD symptomatology (NF1 + ADHD) with children having received a diagnosis of ADHD without NF1. The idea was that performance differences in tasks of attention between these two groups would be attributable not to the ADHD symptomatology, but to NF1 alone. Method: One group of children with NF1 + ADHD (N = 32), one group of children with ADHD (N = 31), and one group of healthy controls (N = 40) participated in a set of computerized tasks assessing intensive, selective, and executive aspects of attention. Results: Differences were found between the two groups of patients in respect of several aspects of attention. Children with NF1 + ADHD did not always perform worse than children with ADHD. Several double dissociations can be established between the two groups of patients. Conclusion: ADHD symptomatology in NF1 does not contribute to all attention deficits, and ADHD cannot account for all attention impairments in NF1.
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Affiliation(s)
- Laurence Lion-François
- Hospices Civils de Lyon, Service de Neurologie pédiatrique, Hôpital Femme Mère Enfant, Lyon, France
| | - Vania Herbillon
- Hospices Civils de Lyon, Epilepsie, sommeil et explorations fonctionnelles neuropédiatriques, Hôpital Femme Mère Enfant, Lyon, France
| | - Emeline Peyric
- Hospices Civils de Lyon, Service de Neurologie pédiatrique, Hôpital Femme Mère Enfant, Lyon, France
| | - Catherine Mercier
- Laboratoire Biostatistique-Santé, UMR CNRS 5558, Université de Lyon, France
| | - Daniel Gérard
- Service de Psychiatrie infantile, Hôpital Pierre Wertheimer, Lyon, France
| | | | - Virginie Coutinho
- Service de Neuropédiatrie, Hôpital Trousseau La Roche-Guyon, Hôpitaux Universitaires Est Parisien, Paris, France
| | - Isabelle Kemlin
- Service de Neuropédiatrie, Hôpital Trousseau La Roche-Guyon, Hôpitaux Universitaires Est Parisien, Paris, France
| | - Behrouz Kassai
- Service de Pharmacologie Clinique, Inserm EPICIME-CIC 1407, CHU Lyon, Bron, France.,Laboratoire de Biométrie et Biologie Evolutive, CNRS, UMR 5558, Université Lyon 1, Villeurbanne, France
| | - Vincent Desportes
- Hospices Civils de Lyon, Service de Neurologie pédiatrique, Hôpital Femme Mère Enfant, Lyon, France
| | - George A Michael
- Laboratoire d'Étude des Mécanismes Cognitifs, EA 3082, Université de Lyon, Université Lumière-Lyon 2, Lyon, France
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Michael GA, Dorey JM, Rey R, D'Amato T, Fabre D, Brunet S, Padovan C. Attention in schizophrenia: Impaired inhibitory control, faulty attentional resources, or both? Psychiatry Res 2020; 290:113164. [PMID: 32521381 DOI: 10.1016/j.psychres.2020.113164] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/29/2020] [Revised: 05/30/2020] [Accepted: 05/30/2020] [Indexed: 01/24/2023]
Abstract
While the literature regarding the existence of difficulties in inhibition in schizophrenia is relatively consistent, it is not clear whether these difficulties reflect any specific deficit in an inhibitory control process or whether they are the result of deficits in the systems that regulate inhibitory control, such as attentional resources. This also raises the issue of attentional resources in schizophrenia, which offers a somewhat puzzling and sometimes contradictory picture. In this study, these issues were investigated by means of a paradigm in which the need for inhibitory control and the need for correct allocation of attentional resources varied parametrically. Twenty-six outpatients with a diagnosis of schizophrenia and 26 matched controls completed a visual search task during which distractors were presented and had to be inhibited. At the same time, they also completed an auditory target detection task of varying difficulty. The results show that the patients had difficulties both in inhibiting distractors and in correctly allocating attention to the two tasks. The results also show that these two difficulties were not related. This leads to the conclusion that schizophrenia involves both defective inhibitory control and faulty management of attentional resources, and that the former does not result from the latter. Furthermore, these effects seem to be neither dependent on processing speed, nor related to medication.
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Affiliation(s)
- George A Michael
- Université de Lyon, Lyon, France; Université Lyon 2, Institut de Psychologie, Laboratoire EMC (EA 3082), Lyon, France.
| | - Jean-Michel Dorey
- Memory Centre, Le Vinatier Hospital, Bron France; Brain Dynamics and Cognition, Lyon Neuroscience Research Center, INSERM U1028, CNRS UMR 5292, Lyon, France
| | - Romain Rey
- Schizophrenia Expert Centre, Le Vinatier Hospital, Bron, France; INSERM, U1028, CNRS, UMR5292, University Lyon 1, Lyon Neuroscience Research Center, Psychiatric Disorders: from Resistance to Response Team, Lyon, F-69000, France
| | - Thierry D'Amato
- Université de Lyon, Lyon, France; Schizophrenia Expert Centre, Le Vinatier Hospital, Bron, France; INSERM, U1028, CNRS, UMR5292, University Lyon 1, Lyon Neuroscience Research Center, Psychiatric Disorders: from Resistance to Response Team, Lyon, F-69000, France
| | - Delphine Fabre
- Memory Centre, Le Vinatier Hospital, Bron France; Brain Dynamics and Cognition, Lyon Neuroscience Research Center, INSERM U1028, CNRS UMR 5292, Lyon, France
| | - Sophie Brunet
- Memory Centre, Le Vinatier Hospital, Bron France; Brain Dynamics and Cognition, Lyon Neuroscience Research Center, INSERM U1028, CNRS UMR 5292, Lyon, France
| | - Catherine Padovan
- Memory Centre, Le Vinatier Hospital, Bron France; Brain Dynamics and Cognition, Lyon Neuroscience Research Center, INSERM U1028, CNRS UMR 5292, Lyon, France
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Banich MT, Depue BE. Recent advances in understanding neural systems that support inhibitory control. Curr Opin Behav Sci 2015. [DOI: 10.1016/j.cobeha.2014.07.006] [Citation(s) in RCA: 50] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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6
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Cholinergic modulation of stimulus-driven attentional capture. Behav Brain Res 2015; 283:47-52. [PMID: 25619685 DOI: 10.1016/j.bbr.2015.01.024] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2014] [Revised: 01/10/2015] [Accepted: 01/15/2015] [Indexed: 11/21/2022]
Abstract
Distraction is one of the main problems encountered by people with degenerative diseases that are associated with reduced cortical cholinergic innervations. We examined the effects of donepezil, a cholinesterase inhibitor, on stimulus-driven attentional capture. Reflexive attention shifts to a distractor are usually elicited by abrupt peripheral changes. This bottom-up shift of attention to a salient item is thought to be the result of relatively inflexible hardwired mechanisms. Thirty young male participants were randomly allocated to one of two groups: placebo first/donepezil second session or the opposite. They were asked to locate a target appearing above and below fixation whilst a peripheral distractor moved abruptly (motion-jitter attentional capture condition) or not (baseline condition). A classical attentional capture effect was observed under placebo: moving distractors interfered with the task in slowing down response times as compared to the baseline condition with fixed distractors. Increased interference from moving distractors was found under donepezil. We suggest that attentional capture in our paradigm likely involved low level mechanisms such as automatic reflexive orienting. Peripheral motion-jitter elicited a rapid reflexive orienting response initiated by a cholinergic signal from the brainstem pedunculo-pontine nucleus that activates nicotinic receptors in the superior colliculus.
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Douissembekov E, Michael GA, Rogé J, Bonhoure P, Gabaude C, Navarro J. Effects of shrinkage of the visual field through ageing on parking performance: a parametric manipulation of salience and relevance of contextual components. ERGONOMICS 2014; 58:698-711. [PMID: 25443310 DOI: 10.1080/00140139.2014.987699] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
The Master Activation model of attention (Michael, Vairet, and Fernandez, Capture attentionnelle en vision: La saillance, la pertinence, et la balance cortico-sous-corticale. In: G. A. Michael (ed), Neuroscience cognitive de l'attention visuelle [Cognitive Neuroscience of Visual Attention], Solal, Marseille, pp. 165-201, 2007; Michael, Lété, and Ducrot, Trajectories of Attentional Development: An Exploration with the Master Activation Map Model, Developmental Psychology, 49:615-631, 2013) was used to study visual attention and driving behaviours of younger and older drivers while parking a car. The salience and the relevance of elements present in the parking environment were manipulated during parking manoeuvres. Different effects on manoeuvring were observed depending on driver characteristics such as age and the extent of the field of view (FV). It was found that the presence of a relevant element, such as a pedestrian, impaired parking performance only among older drivers with a narrower FV. The distinct effects of salience and relevance suggest that they had different statuses in attentional processing of manoeuvring drivers.
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Geddes MR, Tsuchida A, Ashley V, Swick D, Fellows LK. Material-specific interference control is dissociable and lateralized in human prefrontal cortex. Neuropsychologia 2014; 64:310-9. [DOI: 10.1016/j.neuropsychologia.2014.09.024] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2014] [Revised: 09/04/2014] [Accepted: 09/09/2014] [Indexed: 12/30/2022]
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