1
|
Abram SV, Hua JPY, Nicholas S, Roach B, Keedy S, Sweeney JA, Mathalon DH, Ford JM. Pons-to-Cerebellum Hypoconnectivity Along the Psychosis Spectrum and Associations With Sensory Prediction and Hallucinations in Schizophrenia. BIOLOGICAL PSYCHIATRY. COGNITIVE NEUROSCIENCE AND NEUROIMAGING 2024; 9:693-702. [PMID: 38311290 PMCID: PMC11227403 DOI: 10.1016/j.bpsc.2024.01.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/24/2023] [Revised: 01/10/2024] [Accepted: 01/27/2024] [Indexed: 02/10/2024]
Abstract
BACKGROUND Sensory prediction allows the brain to anticipate and parse incoming self-generated sensory information from externally generated signals. Sensory prediction breakdowns may contribute to perceptual and agency abnormalities in psychosis (hallucinations, delusions). The pons, a central node in a cortico-ponto-cerebellar-thalamo-cortical circuit, is thought to support sensory prediction. Examination of pons connectivity in schizophrenia and its role in sensory prediction abnormalities is lacking. METHODS We examined these relationships using resting-state functional magnetic resonance imaging and the electroencephalography-based auditory N1 event-related potential in 143 participants with psychotic spectrum disorders (PSPs) (with schizophrenia, schizoaffective disorder, or bipolar disorder); 63 first-degree relatives of individuals with psychosis; 45 people at clinical high risk for psychosis; and 124 unaffected comparison participants. This unique sample allowed examination across the psychosis spectrum and illness trajectory. Seeding from the pons, we extracted average connectivity values from thalamic and cerebellar clusters showing differences between PSPs and unaffected comparison participants. We predicted N1 amplitude attenuation during a vocalization task from pons connectivity and group membership. We correlated participant-level connectivity in PSPs and people at clinical high risk for psychosis with hallucination and delusion severity. RESULTS Compared to unaffected comparison participants, PSPs showed pons hypoconnectivity to 2 cerebellar clusters, and first-degree relatives of individuals with psychosis showed hypoconnectivity to 1 of these clusters. Pons-to-cerebellum connectivity was positively correlated with N1 attenuation; only PSPs with heightened pons-to-postcentral gyrus connectivity showed this pattern, suggesting a possible compensatory mechanism. Pons-to-cerebellum hypoconnectivity was correlated with greater hallucination severity specifically among PSPs with schizophrenia. CONCLUSIONS Deficient pons-to-cerebellum connectivity linked sensory prediction network breakdowns with perceptual abnormalities in schizophrenia. Findings highlight shared features and clinical heterogeneity across the psychosis spectrum.
Collapse
Affiliation(s)
- Samantha V Abram
- Department of Psychiatry and Behavioral Sciences, University of California San Francisco, San Francisco, California; San Francisco Veterans Affairs Health Care System, San Francisco, California
| | - Jessica P Y Hua
- Department of Psychiatry and Behavioral Sciences, University of California San Francisco, San Francisco, California; San Francisco Veterans Affairs Health Care System, San Francisco, California
| | - Spero Nicholas
- San Francisco Veterans Affairs Health Care System, San Francisco, California
| | - Brian Roach
- San Francisco Veterans Affairs Health Care System, San Francisco, California
| | - Sarah Keedy
- Department of Psychiatry and Behavioral Neuroscience, University of Chicago, Chicago, Illinois
| | - John A Sweeney
- Department of Psychiatry and Behavioral Neuroscience, University of Cincinnati, Cincinnati, Ohio
| | - Daniel H Mathalon
- Department of Psychiatry and Behavioral Sciences, University of California San Francisco, San Francisco, California; San Francisco Veterans Affairs Health Care System, San Francisco, California
| | - Judith M Ford
- Department of Psychiatry and Behavioral Sciences, University of California San Francisco, San Francisco, California; San Francisco Veterans Affairs Health Care System, San Francisco, California.
| |
Collapse
|
2
|
Gu J, Buidze T, Zhao K, Gläscher J, Fu X. The neural network of sensory attenuation: A neuroimaging meta-analysis. Psychon Bull Rev 2024:10.3758/s13423-024-02532-1. [PMID: 38954157 DOI: 10.3758/s13423-024-02532-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/04/2024] [Indexed: 07/04/2024]
Abstract
Sensory attenuation refers to the reduction in sensory intensity resulting from self-initiated actions compared to stimuli initiated externally. A classic example is scratching oneself without feeling itchy. This phenomenon extends across various sensory modalities, including visual, auditory, somatosensory, and nociceptive stimuli. The internal forward model proposes that during voluntary actions, an efferent copy of the action command is sent out to predict sensory feedback. This predicted sensory feedback is then compared with the actual sensory feedback, leading to the suppression or reduction of sensory stimuli originating from self-initiated actions. To further elucidate the neural mechanisms underlying sensory attenuation effect, we conducted an extensive meta-analysis of functional magnetic resonance imaging (fMRI) and positron emission tomography (PET) studies. Utilizing activation likelihood estimation (ALE) analysis, our results revealed significant activations in a prominent cluster encompassing the right superior temporal gyrus (rSTG), right middle temporal gyrus (rMTG), and right insula when comparing external-generated with self-generated conditions. Additionally, significant activation was observed in the right anterior cerebellum when comparing self-generated to external-generated conditions. Further analysis using meta-analytic connectivity modeling (MACM) unveiled distinct brain networks co-activated with the rMTG and right cerebellum, respectively. Based on these findings, we propose that sensory attenuation arises from the suppression of reflexive inputs elicited by self-initiated actions through the internal forward modeling of a cerebellum-centered action prediction network, enabling the "sensory conflict detection" regions to effectively discriminate between inputs resulting from self-induced actions and those originating externally.
Collapse
Affiliation(s)
- Jingjin Gu
- State Key Laboratory of Brain and Cognitive Science, Institute of Psychology, Chinese Academy of Sciences, Beijing, 100101, China
- Department of Psychology, University of the Chinese Academy of Sciences, Beijing, 100049, China
| | - Tatia Buidze
- Institute for Systems Neuroscience, University Medical Center Hamburg-Eppendorf, Hamburg, 20246, Germany
| | - Ke Zhao
- State Key Laboratory of Brain and Cognitive Science, Institute of Psychology, Chinese Academy of Sciences, Beijing, 100101, China.
- Department of Psychology, University of the Chinese Academy of Sciences, Beijing, 100049, China.
| | - Jan Gläscher
- Institute for Systems Neuroscience, University Medical Center Hamburg-Eppendorf, Hamburg, 20246, Germany
| | - Xiaolan Fu
- State Key Laboratory of Brain and Cognitive Science, Institute of Psychology, Chinese Academy of Sciences, Beijing, 100101, China
- Department of Psychology, University of the Chinese Academy of Sciences, Beijing, 100049, China
| |
Collapse
|
3
|
Kaldewaij R, Salamone PC, Enmalm A, Östman L, Pietrzak M, Karlsson H, Löfberg A, Gauffin E, Samuelsson M, Gustavson S, Capusan AJ, Olausson H, Heilig M, Boehme R. Ketamine reduces the neural distinction between self- and other-produced affective touch: a randomized double-blind placebo-controlled study. Neuropsychopharmacology 2024:10.1038/s41386-024-01906-2. [PMID: 38918578 DOI: 10.1038/s41386-024-01906-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/19/2024] [Revised: 06/07/2024] [Accepted: 06/14/2024] [Indexed: 06/27/2024]
Abstract
A coherent sense of self is crucial for social functioning and mental health. The N-methyl-D-aspartate antagonist ketamine induces short-term dissociative experiences and has therefore been used to model an altered state of self-perception. This randomized double-blind placebo-controlled cross-over study investigated the mechanisms for ketamine's effects on the bodily sense of self in the context of affective touch. Thirty healthy participants (15 females/15 males, age 19-39) received intravenous ketamine or placebo while performing self-touch and receiving touch by someone else during functional MRI - a previously established neural measure of tactile self-other-differentiation. Afterwards, tactile detection thresholds during self- and other-touch were assessed, as well as dissociative states, interoceptive awareness, and social touch attitudes. Compared to placebo, ketamine administration elicited dissociation and reduced neural activity associated with self-other-differentiation in the right temporoparietal cortex, which was most pronounced during other-touch. This reduction correlated with ketamine-induced reductions in interoceptive awareness. The temporoparietal cortex showed higher connectivity to somatosensory cortex and insula during other- compared to self-touch. This difference was augmented by ketamine, and correlated with dissociation strength for somatosensory cortex. These results demonstrate that disrupting the self-experience through ketamine administration affects neural activity associated with self-other-differentiation in a region involved in touch perception and social cognition, especially with regard to social touch by someone else. This process may be driven by ketamine-induced effects on top-down signaling, rendering the processing of predictable self-generated and unpredictable other-generated touch more similar. These findings provide further evidence for the intricate relationship of the bodily self with the tactile sense.
Collapse
Affiliation(s)
- Reinoud Kaldewaij
- Center for Social and Affective Neuroscience, Linköping University, Linköping, Sweden.
- Center for Medical Image Science and Visualization, Linköping University, Linköping, Sweden.
| | - Paula C Salamone
- Center for Social and Affective Neuroscience, Linköping University, Linköping, Sweden
| | - Adam Enmalm
- Center for Social and Affective Neuroscience, Linköping University, Linköping, Sweden
| | - Lars Östman
- Center for Social and Affective Neuroscience, Linköping University, Linköping, Sweden
| | - Michal Pietrzak
- Center for Social and Affective Neuroscience, Linköping University, Linköping, Sweden
| | - Hanna Karlsson
- Center for Social and Affective Neuroscience, Linköping University, Linköping, Sweden
| | - Andreas Löfberg
- Center for Social and Affective Neuroscience, Linköping University, Linköping, Sweden
| | - Emelie Gauffin
- Center for Social and Affective Neuroscience, Linköping University, Linköping, Sweden
| | - Martin Samuelsson
- Center for Social and Affective Neuroscience, Linköping University, Linköping, Sweden
| | - Sarah Gustavson
- Center for Social and Affective Neuroscience, Linköping University, Linköping, Sweden
| | - Andrea J Capusan
- Center for Social and Affective Neuroscience, Linköping University, Linköping, Sweden
| | - Håkan Olausson
- Center for Social and Affective Neuroscience, Linköping University, Linköping, Sweden
- Center for Medical Image Science and Visualization, Linköping University, Linköping, Sweden
| | - Markus Heilig
- Center for Social and Affective Neuroscience, Linköping University, Linköping, Sweden
- Center for Medical Image Science and Visualization, Linköping University, Linköping, Sweden
| | - Rebecca Boehme
- Center for Social and Affective Neuroscience, Linköping University, Linköping, Sweden
- Center for Medical Image Science and Visualization, Linköping University, Linköping, Sweden
| |
Collapse
|
4
|
Kilteni K, Ehrsson HH. Dynamic changes in somatosensory and cerebellar activity mediate temporal recalibration of self-touch. Commun Biol 2024; 7:522. [PMID: 38702520 PMCID: PMC11068753 DOI: 10.1038/s42003-024-06188-4] [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: 11/03/2023] [Accepted: 04/11/2024] [Indexed: 05/06/2024] Open
Abstract
An organism's ability to accurately anticipate the sensations caused by its own actions is crucial for a wide range of behavioral, perceptual, and cognitive functions. Notably, the sensorimotor expectations produced when touching one's own body attenuate such sensations, making them feel weaker and less ticklish and rendering them easily distinguishable from potentially harmful touches of external origin. How the brain learns and keeps these action-related sensory expectations updated is unclear. Here we employ psychophysics and functional magnetic resonance imaging to pinpoint the behavioral and neural substrates of dynamic recalibration of expected temporal delays in self-touch. Our psychophysical results reveal that self-touches are less attenuated after systematic exposure to delayed self-generated touches, while responses in the contralateral somatosensory cortex that normally distinguish between delayed and nondelayed self-generated touches become indistinguishable. During the exposure, the ipsilateral anterior cerebellum shows increased activity, supporting its proposed role in recalibrating sensorimotor predictions. Moreover, responses in the cingulate areas gradually increase, suggesting that as delay adaptation progresses, the nondelayed self-touches trigger activity related to cognitive conflict. Together, our results show that sensorimotor predictions in the simplest act of touching one's own body are upheld by a sophisticated and flexible neural mechanism that maintains them accurate in time.
Collapse
Affiliation(s)
- Konstantina Kilteni
- Department of Neuroscience, Karolinska Institutet, Stockholm, Sweden.
- Donders Institute for Brain, Cognition and Behaviour, Radboud University, Nijmegen, The Netherlands.
| | - H Henrik Ehrsson
- Department of Neuroscience, Karolinska Institutet, Stockholm, Sweden
| |
Collapse
|
5
|
Tarrano C, Galléa C, Delorme C, McGovern EM, Atkinson-Clement C, Barnham IJ, Brochard V, Thobois S, Tranchant C, Grabli D, Degos B, Corvol JC, Pedespan JM, Krystkowiak P, Houeto JL, Degardin A, Defebvre L, Valabrègue R, Beranger B, Apartis E, Vidailhet M, Roze E, Worbe Y. Association of abnormal explicit sense of agency with cerebellar impairment in myoclonus-dystonia. Brain Commun 2024; 6:fcae105. [PMID: 38601915 PMCID: PMC11004927 DOI: 10.1093/braincomms/fcae105] [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: 07/31/2023] [Revised: 02/20/2024] [Accepted: 03/26/2024] [Indexed: 04/12/2024] Open
Abstract
Non-motor aspects in dystonia are now well recognized. The sense of agency, which refers to the experience of controlling one's own actions, has been scarcely studied in dystonia, even though its disturbances can contribute to movement disorders. Among various brain structures, the cerebral cortex, the cerebellum, and the basal ganglia are involved in shaping the sense of agency. In myoclonus dystonia, resulting from a dysfunction of the motor network, an altered sense of agency may contribute to the clinical phenotype of the condition. In this study, we compared the explicit and implicit sense of agency in patients with myoclonus dystonia caused by a pathogenic variant of SGCE (DYT-SGCE) and control participants. We utilized behavioural tasks to assess the sense of agency and performed neuroimaging analyses, including structural, resting-state functional connectivity, and dynamic causal modelling, to explore the relevant brain regions involved in the sense of agency. Additionally, we examined the relationship between behavioural performance, symptom severity, and neuroimaging findings. We compared 19 patients with DYT-SGCE and 24 healthy volunteers. Our findings revealed that patients with myoclonus-dystonia exhibited a specific impairment in explicit sense of agency, particularly when implicit motor learning was involved. However, their implicit sense of agency remained intact. These patients also displayed grey-matter abnormalities in the motor cerebellum, as well as increased functional connectivity between the cerebellum and pre-supplementary motor area. Dynamic causal modelling analysis further identified reduced inhibitory effects of the cerebellum on the pre-supplementary motor area, decreased excitatory effects of the pre-supplementary motor area on the cerebellum, and increased self-inhibition within the pre-supplementary motor area. Importantly, both cerebellar grey-matter alterations and functional connectivity abnormalities between the cerebellum and pre-supplementary motor area were found to correlate with explicit sense of agency impairment. Increased self-inhibition within the pre-supplementary motor area was associated with less severe myoclonus symptoms. These findings highlight the disruption of higher-level cognitive processes in patients with myoclonus-dystonia, further expanding the spectrum of neurological and psychiatric dysfunction already identified in this disorder.
Collapse
Affiliation(s)
- Clément Tarrano
- CNRS UMR 7225, Sorbonne Université, Paris Brain Institute—Institut du Cerveau et de la Moelle épinière, Inserm U1127, Paris 75013, France
- Assistance Publique-Hôpitaux de Paris, Pitié-Salpêtrière Hospital, Department of Neurology, Clinical Investigation Center for Neurosciences, Paris 75013, France
| | - Cécile Galléa
- CNRS UMR 7225, Sorbonne Université, Paris Brain Institute—Institut du Cerveau et de la Moelle épinière, Inserm U1127, Paris 75013, France
- Department of Research Neuroimaging, Centre de NeuroImagerie de Recherche (CENIR), Sorbonne Université, Paris 75013, France
| | - Cécile Delorme
- CNRS UMR 7225, Sorbonne Université, Paris Brain Institute—Institut du Cerveau et de la Moelle épinière, Inserm U1127, Paris 75013, France
- Assistance Publique-Hôpitaux de Paris, Pitié-Salpêtrière Hospital, Department of Neurology, Clinical Investigation Center for Neurosciences, Paris 75013, France
| | - Eavan M McGovern
- Department of Neurology, Beaumont Hospital, Dublin 9, D09 VY21, Ireland
- School of Medicine, Royal College of Surgeons in Ireland, Dublin 2, D02 YN77, Ireland
| | - Cyril Atkinson-Clement
- CNRS UMR 7225, Sorbonne Université, Paris Brain Institute—Institut du Cerveau et de la Moelle épinière, Inserm U1127, Paris 75013, France
- School of Medicine, University of Nottingham, Nottingham NG7 2RD, UK
| | | | - Vanessa Brochard
- Assistance Publique-Hôpitaux de Paris, Pitié-Salpêtrière Hospital, Department of Neurology, Clinical Investigation Center for Neurosciences, Paris 75013, France
| | - Stéphane Thobois
- Department of Neurology, Hospices Civils de Lyon, Lyon 69000, France
| | - Christine Tranchant
- Département de Neurologie, Hôpitaux Universitaires de Strasbourg, Hôpital de Hautepierre, Strasbourg 67098, France
- INSERM-U964/CNRS-UMR7104, Institut de Génétique et de Biologie Moléculaire et Cellulaire (IGBMC), Université de Strasbourg, Illkirch 67404, France
- Fédération de Médecine Translationnelle de Strasbourg (FMTS), Université de Strasbourg, Strasbourg 67000, France
| | - David Grabli
- CNRS UMR 7225, Sorbonne Université, Paris Brain Institute—Institut du Cerveau et de la Moelle épinière, Inserm U1127, Paris 75013, France
- Assistance Publique-Hôpitaux de Paris, Pitié-Salpêtrière Hospital, Department of Neurology, Clinical Investigation Center for Neurosciences, Paris 75013, France
| | - Bertrand Degos
- Department of Neurology, Assistance Publique-Hôpitaux de Paris, Avicenne Hospital, Sorbonne Paris Nord, Bobigny 93000, France
| | - Jean Christophe Corvol
- CNRS UMR 7225, Sorbonne Université, Paris Brain Institute—Institut du Cerveau et de la Moelle épinière, Inserm U1127, Paris 75013, France
- Assistance Publique-Hôpitaux de Paris, Pitié-Salpêtrière Hospital, Department of Neurology, Clinical Investigation Center for Neurosciences, Paris 75013, France
| | - Jean-Michel Pedespan
- Department of Neuropediatry, Universitary Hospital of Pellegrin, Bordeaux 33076, France
| | - Pierre Krystkowiak
- Department of Neurology, Abu Dhabi Stem Cells Centre, Abu Dhabi, United Arab Emirates
| | - Jean-Luc Houeto
- Department of Neurology CHU Limoges, Inserm U1094, IRD U270, Univ. Limoges, EpiMaCT—Epidemiology of chronic diseases in tropical zone, Institute of Epidemiology and Tropical Neurology, OmegaHealth, Limoges 87000, France
| | - Adrian Degardin
- Department of Neurology, Tourcoing Hospital, Tourcoing 59599, France
| | - Luc Defebvre
- Department of Neurology, University of Lille, Lille 59000, France
- Department of Neurology, Lille Centre of Excellence for Neurodegenerative Diseases » (LiCEND), Lille F-59000, France
| | - Romain Valabrègue
- CNRS UMR 7225, Sorbonne Université, Paris Brain Institute—Institut du Cerveau et de la Moelle épinière, Inserm U1127, Paris 75013, France
- Department of Research Neuroimaging, Centre de NeuroImagerie de Recherche (CENIR), Sorbonne Université, Paris 75013, France
| | - Benoit Beranger
- CNRS UMR 7225, Sorbonne Université, Paris Brain Institute—Institut du Cerveau et de la Moelle épinière, Inserm U1127, Paris 75013, France
- Department of Research Neuroimaging, Centre de NeuroImagerie de Recherche (CENIR), Sorbonne Université, Paris 75013, France
| | - Emmanuelle Apartis
- CNRS UMR 7225, Sorbonne Université, Paris Brain Institute—Institut du Cerveau et de la Moelle épinière, Inserm U1127, Paris 75013, France
- Department of Neurophysiology, Saint-Antoine Hospital, Paris 75012, France
| | - Marie Vidailhet
- CNRS UMR 7225, Sorbonne Université, Paris Brain Institute—Institut du Cerveau et de la Moelle épinière, Inserm U1127, Paris 75013, France
- Assistance Publique-Hôpitaux de Paris, Pitié-Salpêtrière Hospital, Department of Neurology, Clinical Investigation Center for Neurosciences, Paris 75013, France
| | - Emmanuel Roze
- CNRS UMR 7225, Sorbonne Université, Paris Brain Institute—Institut du Cerveau et de la Moelle épinière, Inserm U1127, Paris 75013, France
- Assistance Publique-Hôpitaux de Paris, Pitié-Salpêtrière Hospital, Department of Neurology, Clinical Investigation Center for Neurosciences, Paris 75013, France
| | - Yulia Worbe
- CNRS UMR 7225, Sorbonne Université, Paris Brain Institute—Institut du Cerveau et de la Moelle épinière, Inserm U1127, Paris 75013, France
- Department of Neurophysiology, Saint-Antoine Hospital, Paris 75012, France
| |
Collapse
|
6
|
Dercksen TT, Widmann A, Noesselt T, Wetzel N. Somatosensory omissions reveal action-related predictive processing. Hum Brain Mapp 2024; 45:e26550. [PMID: 38050773 PMCID: PMC10915725 DOI: 10.1002/hbm.26550] [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: 07/11/2023] [Revised: 11/07/2023] [Accepted: 11/16/2023] [Indexed: 12/06/2023] Open
Abstract
The intricate relation between action and somatosensory perception has been studied extensively in the past decades. Generally, a forward model is thought to predict the somatosensory consequences of an action. These models propose that when an action is reliably coupled to a tactile stimulus, unexpected absence of the stimulus should elicit prediction error. Although such omission responses have been demonstrated in the auditory modality, it remains unknown whether this mechanism generalizes across modalities. This study therefore aimed to record action-induced somatosensory omission responses using EEG in humans. Self-paced button presses were coupled to somatosensory stimuli in 88% of trials, allowing a prediction, or in 50% of trials, not allowing a prediction. In the 88% condition, stimulus omission resulted in a neural response consisting of multiple components, as revealed by temporal principal component analysis. The oN1 response suggests similar sensory sources as stimulus-evoked activity, but an origin outside primary cortex. Subsequent oN2 and oP3 responses, as previously observed in the auditory domain, likely reflect modality-unspecific higher order processes. Together, findings straightforwardly demonstrate somatosensory predictions during action and provide evidence for a partially amodal mechanism of prediction error generation.
Collapse
Affiliation(s)
- Tjerk T. Dercksen
- Research Group Neurocognitive DevelopmentLeibniz Institute for NeurobiologyMagdeburgGermany
- Center for Behavioral Brain SciencesMagdeburgGermany
| | - Andreas Widmann
- Research Group Neurocognitive DevelopmentLeibniz Institute for NeurobiologyMagdeburgGermany
- Wilhelm Wundt Institute for PsychologyLeipzig UniversityLeipzigGermany
| | - Tömme Noesselt
- Center for Behavioral Brain SciencesMagdeburgGermany
- Department of Biological PsychologyOtto‐von‐Guericke‐University MagdeburgMagdeburgGermany
| | - Nicole Wetzel
- Research Group Neurocognitive DevelopmentLeibniz Institute for NeurobiologyMagdeburgGermany
- Center for Behavioral Brain SciencesMagdeburgGermany
- University of Applied Sciences Magdeburg‐StendalStendalGermany
| |
Collapse
|
7
|
Crucianelli L, Reader AT, Ehrsson HH. Subcortical contributions to the sense of body ownership. Brain 2024; 147:390-405. [PMID: 37847057 PMCID: PMC10834261 DOI: 10.1093/brain/awad359] [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: 06/20/2023] [Revised: 09/01/2023] [Accepted: 10/03/2023] [Indexed: 10/18/2023] Open
Abstract
The sense of body ownership (i.e. the feeling that our body or its parts belong to us) plays a key role in bodily self-consciousness and is believed to stem from multisensory integration. Experimental paradigms such as the rubber hand illusion have been developed to allow the controlled manipulation of body ownership in laboratory settings, providing effective tools for investigating malleability in the sense of body ownership and the boundaries that distinguish self from other. Neuroimaging studies of body ownership converge on the involvement of several cortical regions, including the premotor cortex and posterior parietal cortex. However, relatively less attention has been paid to subcortical structures that may also contribute to body ownership perception, such as the cerebellum and putamen. Here, on the basis of neuroimaging and neuropsychological observations, we provide an overview of relevant subcortical regions and consider their potential role in generating and maintaining a sense of ownership over the body. We also suggest novel avenues for future research targeting the role of subcortical regions in making sense of the body as our own.
Collapse
Affiliation(s)
- Laura Crucianelli
- Department of Biological and Experimental Psychology, Queen Mary University of London, London E1 4DQ, UK
- Department of Neuroscience, Karolinska Institutet, Stockholm 171 65, Sweden
| | - Arran T Reader
- Department of Psychology, Faculty of Natural Sciences, University of Stirling, Stirling FK9 4LA, UK
| | - H Henrik Ehrsson
- Department of Neuroscience, Karolinska Institutet, Stockholm 171 65, Sweden
| |
Collapse
|
8
|
Job X, Kilteni K. Action does not enhance but attenuates predicted touch. eLife 2023; 12:e90912. [PMID: 38099521 PMCID: PMC10723797 DOI: 10.7554/elife.90912] [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: 07/11/2023] [Accepted: 11/19/2023] [Indexed: 12/17/2023] Open
Abstract
Dominant motor control theories propose that the brain predicts and attenuates the somatosensory consequences of actions, referred to as somatosensory attenuation. Support comes from psychophysical and neuroimaging studies showing that touch applied on a passive hand elicits attenuated perceptual and neural responses if it is actively generated by one's other hand, compared to an identical touch from an external origin. However, recent experimental findings have challenged this view by providing psychophysical evidence that the perceived intensity of touch on the passive hand is enhanced if the active hand does not receive touch simultaneously with the passive hand (somatosensory enhancement) and by further attributing attenuation to the double tactile stimulation of the hands upon contact. Here, we directly contrasted the hypotheses of the attenuation and enhancement models regarding how action influences somatosensory perception by manipulating whether the active hand contacts the passive hand. We further assessed somatosensory perception in the absence of any predictive cues in a condition that turned out to be essential for interpreting the experimental findings. In three pre-registered experiments, we demonstrate that action does not enhance the predicted touch (Experiment 1), that the previously reported 'enhancement' effects are driven by the reference condition used (Experiment 2), and that self-generated touch is robustly attenuated regardless of whether the two hands make contact (Experiment 3). Our results provide conclusive evidence that action does not enhance but attenuates predicted touch and prompt a reappraisal of recent experimental findings upon which theoretical frameworks proposing a perceptual enhancement by action prediction are based.
Collapse
Affiliation(s)
- Xavier Job
- Department of Neuroscience, Karolinska InstituteStockholmSweden
| | - Konstantina Kilteni
- Department of Neuroscience, Karolinska InstituteStockholmSweden
- Donders Institute for Brain, Cognition and Behaviour, Radboud UniversityNijmegenNetherlands
| |
Collapse
|
9
|
McManus M, Schütz I, Voudouris D, Fiehler K. How visuomotor predictability and task demands affect tactile sensitivity on a moving limb during object interaction in a virtual environment. ROYAL SOCIETY OPEN SCIENCE 2023; 10:231259. [PMID: 38094265 PMCID: PMC10716662 DOI: 10.1098/rsos.231259] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/24/2023] [Accepted: 11/16/2023] [Indexed: 01/11/2024]
Abstract
Tactile sensitivity is decreased on a moving limb compared to the same static limb. This tactile suppression likely reflects an interplay between sensorimotor predictions and sensory feedback. Here, we examined how visuomotor predictability influences tactile suppression. Participants were instructed to hit an approaching virtual object, with the object either never rotating, or always rotating, or rotating unpredictably, prompting related movement adjustments. We probed tactile suppression by delivering a vibrotactile stimulus of varying intensities to the moving hand briefly after the object's rotation and asked participants to indicate if they had felt a vibration. We hypothesized that Unpredictable Rotations would require upweighting of somatosensory feedback from the hand and therefore decrease suppression. Instead, we found stronger suppression with unpredictable than Predictable Rotations. This finding persisted even when visual input from the moving hand was removed and participants had to rely solely on somatosensory feedback of their hand. Importantly, we found a correlation between task demand and tactile suppression in both experiments, indicating that task load can amplify tactile suppression, possibly by downweighting task-irrelevant somatosensory feedback signals to allow for successful task performance when visuomotor task demands are high.
Collapse
Affiliation(s)
- Meaghan McManus
- Experimental Psychology, Justus Liebig University, Otto-Behaghel-Str. 10F, 35394, Giessen, Hessen, Germany
| | - Immo Schütz
- Experimental Psychology, Justus Liebig University, Otto-Behaghel-Str. 10F, 35394, Giessen, Hessen, Germany
| | - Dimitris Voudouris
- Experimental Psychology, Justus Liebig University, Otto-Behaghel-Str. 10F, 35394, Giessen, Hessen, Germany
| | - Katja Fiehler
- Experimental Psychology, Justus Liebig University, Otto-Behaghel-Str. 10F, 35394, Giessen, Hessen, Germany
- Center for Mind, Brain and Behavior, University of Marburg and Justus Liebig University, Giessen, Hessen, Germany
| |
Collapse
|
10
|
Dery H, Buaron B, Mazinter R, Lavi S, Mukamel R. Playing with your ears: Audio-motor skill learning is sensitive to the lateral relationship between trained hand and ear. iScience 2023; 26:107720. [PMID: 37674982 PMCID: PMC10477063 DOI: 10.1016/j.isci.2023.107720] [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: 05/08/2023] [Revised: 07/06/2023] [Accepted: 08/22/2023] [Indexed: 09/08/2023] Open
Abstract
A salient feature of motor and sensory circuits in the brain is their contralateral hemispheric bias-a feature that might play a role in integration and learning of sensorimotor skills. In the current behavioral study, we examined whether the lateral configuration between sound-producing hand and feedback-receiving ear affects performance and learning of an audio-motor skill. Right-handed participants (n = 117) trained to play a piano sequence using their right or left hand while auditory feedback was presented monaurally, either to the right or left ear. Participants receiving auditory feedback to the contralateral ear during training performed better than participants receiving ipsilateral feedback (with respect to the training hand). Furthermore, in the Left-Hand training groups, the contralateral training advantage persisted in a generalization task. Our results demonstrate that audio-motor learning is sensitive to the lateral configuration between motor and sensory circuits and suggest that integration of neural activity across hemispheres facilitates such learning.
Collapse
Affiliation(s)
- Hadar Dery
- School of Psychological Sciences, Tel Aviv University, Tel Aviv 6997801, Israel
| | - Batel Buaron
- School of Psychological Sciences, Tel Aviv University, Tel Aviv 6997801, Israel
- Sagol School of Neuroscience, Tel Aviv University, Tel Aviv 6997801, Israel
| | - Roni Mazinter
- School of Psychological Sciences, Tel Aviv University, Tel Aviv 6997801, Israel
| | - Shalev Lavi
- School of Psychological Sciences, Tel Aviv University, Tel Aviv 6997801, Israel
| | - Roy Mukamel
- School of Psychological Sciences, Tel Aviv University, Tel Aviv 6997801, Israel
- Sagol School of Neuroscience, Tel Aviv University, Tel Aviv 6997801, Israel
| |
Collapse
|
11
|
Casado-Palacios M, Tonelli A, Campus C, Gori M. Movement-related tactile gating in blindness. Sci Rep 2023; 13:16553. [PMID: 37783746 PMCID: PMC10545755 DOI: 10.1038/s41598-023-43526-8] [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: 10/17/2022] [Accepted: 09/25/2023] [Indexed: 10/04/2023] Open
Abstract
When we perform an action, self-elicited movement induces suppression of somatosensory information to the cortex, requiring a correct motor-sensory and inter-sensory (i.e. cutaneous senses, kinesthesia, and proprioception) integration processes to be successful. However, recent works show that blindness might impact some of these elements. The current study investigates the effect of movement on tactile perception and the role of vision in this process. We measured the velocity discrimination threshold in 18 sighted and 18 blind individuals by having them perceive a sequence of two movements and discriminate the faster one in passive and active touch conditions. Participants' Just Noticeable Difference (JND) was measured to quantify their precision. Results showed a generally worse performance during the active touch condition compared to the passive. In particular, this difference was significant in the blind group, regardless of the blindness duration, but not in the sighted one. These findings suggest that the absence of visual calibration impacts motor-sensory and inter-sensory integration required during movement, diminishing the reliability of tactile signals in blind individuals. Our work spotlights the need for intervention in this population and should be considered in the sensory substitution/reinforcement device design.
Collapse
Affiliation(s)
- Maria Casado-Palacios
- DIBRIS, University of Genoa, Genoa, Italy
- UVIP- Unit for Visually Impaired People, Italian Institute of Technology, Genoa, Italy
| | - Alessia Tonelli
- UVIP- Unit for Visually Impaired People, Italian Institute of Technology, Genoa, Italy
| | - Claudio Campus
- UVIP- Unit for Visually Impaired People, Italian Institute of Technology, Genoa, Italy
| | - Monica Gori
- UVIP- Unit for Visually Impaired People, Italian Institute of Technology, Genoa, Italy.
| |
Collapse
|
12
|
Timar L, Job X, Orban de Xivry JJ, Kilteni K. Aging exerts a limited influence on the perception of self-generated and externally generated touch. J Neurophysiol 2023; 130:871-882. [PMID: 37609705 PMCID: PMC10642979 DOI: 10.1152/jn.00145.2023] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2023] [Revised: 08/09/2023] [Accepted: 08/21/2023] [Indexed: 08/24/2023] Open
Abstract
Touch generated by our voluntary movements is attenuated both at the perceptual and neural levels compared with touch of the same intensity delivered to our body by another person or machine. This somatosensory attenuation phenomenon relies on the integration of somatosensory input and predictions about the somatosensory consequences of our actions. Previous studies have reported increased somatosensory attenuation in elderly people, proposing an overreliance on sensorimotor predictions to compensate for age-related declines in somatosensory perception; however, recent results have challenged this direct relationship. In a preregistered study, we used a force-discrimination task to assess whether aging increases somatosensory attenuation and whether this increase is explained by decreased somatosensory precision in elderly individuals. Although 94% of our sample (n = 108, 21-77 yr old) perceived their self-generated touches as weaker than externally generated touches of identical intensity (somatosensory attenuation) regardless of age, we did not find a significant increase in somatosensory attenuation in our elderly participants (65-77 yr old), but a trend when considering only the oldest subset (69-77 yr old). Moreover, we did not observe a significant age-related decline in somatosensory precision or a significant relationship of age with somatosensory attenuation. Together, our results suggest that aging exerts a limited influence on the perception of self-generated and externally generated touch and indicate a less direct relationship between somatosensory precision and attenuation in the elderly individuals than previously proposed.NEW & NOTEWORTHY Self-generated touch is attenuated compared with externally generated touch of identical intensity. This somatosensory attenuation has been previously shown to be increased in elderly participants, but it remains unclear whether it is related to age-related somatosensory decline. In our preregistered study, we observed a trend for increased somatosensory attenuation in our oldest participants (≥69 yr), but we found no evidence of an age-related decline in somatosensory function or a relationship of age with somatosensory attenuation.
Collapse
Affiliation(s)
- Lili Timar
- Department of Neuroscience, Karolinska Institutet, Stockholm, Sweden
| | - Xavier Job
- Department of Neuroscience, Karolinska Institutet, Stockholm, Sweden
| | - Jean-Jacques Orban de Xivry
- Department of Movement Sciences, KU Leuven, Leuven, Belgium
- KU Leuven Brain Institute, KU Leuven, Leuven, Belgium
| | - Konstantina Kilteni
- Department of Neuroscience, Karolinska Institutet, Stockholm, Sweden
- Donders Institute for Brain, Cognition and Behaviour, Radboud University Nijmegen, Nijmegen, The Netherlands
| |
Collapse
|
13
|
Chinta S, Pluta SR. Neural mechanisms for the localization of unexpected external motion. Nat Commun 2023; 14:6112. [PMID: 37777516 PMCID: PMC10542789 DOI: 10.1038/s41467-023-41755-z] [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: 03/10/2023] [Accepted: 09/15/2023] [Indexed: 10/02/2023] Open
Abstract
To localize objects during active sensing, animals must differentiate stimuli caused by volitional movement from real-world object motion. To determine a neural basis for this ability, we examined the mouse superior colliculus (SC), which contains multiple egocentric maps of sensorimotor space. By placing mice in a whisker-guided virtual reality, we discovered a rapidly adapting tactile response that transiently emerged during externally generated gains in whisker contact. Responses to self-generated touch that matched self-generated history were significantly attenuated, revealing that transient response magnitude is controlled by sensorimotor predictions. The magnitude of the transient response gradually decreased with repetitions in external motion, revealing a slow habituation based on external history. The direction of external motion was accurately encoded in the firing rates of transiently responsive neurons. These data reveal that whisker-specific adaptation and sensorimotor predictions in SC neurons enhance the localization of unexpected, externally generated changes in tactile space.
Collapse
Affiliation(s)
- Suma Chinta
- Department of Biological Sciences, Purdue University, West Lafayette, IN, USA
- Purdue Institute for Integrative Neuroscience, Purdue University, West Lafayette, IN, USA
| | - Scott R Pluta
- Department of Biological Sciences, Purdue University, West Lafayette, IN, USA.
- Purdue Institute for Integrative Neuroscience, Purdue University, West Lafayette, IN, USA.
| |
Collapse
|
14
|
Tsurugizawa T, Taki A, Zalesky A, Kasahara K. Increased interhemispheric functional connectivity during non-dominant hand movement in right-handed subjects. iScience 2023; 26:107592. [PMID: 37705959 PMCID: PMC10495657 DOI: 10.1016/j.isci.2023.107592] [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: 01/17/2023] [Revised: 05/15/2023] [Accepted: 08/07/2023] [Indexed: 09/15/2023] Open
Abstract
Hand preference is one of the behavioral expressions of lateralization in the brain. Previous fMRI studies showed the activation in several regions including the motor cortex and the cerebellum during single-hand movement. However, functional connectivity related to hand preference has not been investigated. Here, we used the generalized psychophysiological interaction (gPPI) approach to investigate the alteration of functional connectivity during single-hand movement from the resting state in right-hand subjects. The functional connectivity in interhemispheric motor-related regions including the supplementary motor area, the precentral gyrus, and the cerebellum was significantly increased during non-dominant hand movement, while functional connectivity was not increased during dominant hand movement. The general linear model (GLM) showed activation in contralateral supplementary motor area, contralateral precentral gyrus, and ipsilateral cerebellum during right- or left-hand movement. These results indicate that a combination of GLM and gPPI analysis can detect the lateralization of hand preference more clearly.
Collapse
Affiliation(s)
- Tomokazu Tsurugizawa
- Human Informatics and Interaction Research Institute, National Institute of Advanced Industrial Science and Technology, 1-1-1 Higashi, Tsukuba-City, Ibaraki 305-8568, Japan
- Faculty of Engineering, Information and Systems, University of Tsukuba, Tsukuba 305-8573, Japan
| | - Ai Taki
- Human Informatics and Interaction Research Institute, National Institute of Advanced Industrial Science and Technology, 1-1-1 Higashi, Tsukuba-City, Ibaraki 305-8568, Japan
- Faculty of Engineering, Information and Systems, University of Tsukuba, Tsukuba 305-8573, Japan
| | - Andrew Zalesky
- Melbourne Neuropsychiatry Centre and Department of Biomedical Engineering, The University of Melbourne, Parkville, VIC 3010, Australia
| | - Kazumi Kasahara
- Human Informatics and Interaction Research Institute, National Institute of Advanced Industrial Science and Technology, 1-1-1 Higashi, Tsukuba-City, Ibaraki 305-8568, Japan
| |
Collapse
|
15
|
Colle L, Hilviu D, Boggio M, Toso A, Longo P, Abbate-Daga G, Garbarini F, Fossataro C. Abnormal sense of agency in eating disorders. Sci Rep 2023; 13:14176. [PMID: 37648816 PMCID: PMC10469170 DOI: 10.1038/s41598-023-41345-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2023] [Accepted: 08/24/2023] [Indexed: 09/01/2023] Open
Abstract
The feeling of controlling one's own actions and, through them, impacting the external environment (i.e. Sense of Agency-SoA) can be relevant in the eating disorders (EDs) symptomatology. Yet, it has been poorly investigated. This study aims to implicitly assess SoA exploiting the Sensory Attenuation paradigm in two groups of EDs patients (Anorexia Nervosa Restrictive and Anorexia Nervosa Binge-Purging or Bulimia Nervosa) compared to a control group. We find that controls perceive self-generated stimuli as less intense than other-generated ones showing the classic pattern of sensory attenuation. By contrast, EDs patients show the opposite pattern, with self-generated perceived as more intense than other-generated stimuli. This result indicates an alteration of the implicit component of the feeling of control in EDs patients, thus suggesting a potential implication of these results for the clinical practice and the treatment of EDs symptomatology.
Collapse
Affiliation(s)
- Livia Colle
- Department of Psychology, University of Turin, Turin, Italy
| | - Dize Hilviu
- Department of Psychology, University of Turin, Turin, Italy
| | - Monica Boggio
- Department of Psychology, University of Turin, Turin, Italy
| | - Alessandra Toso
- Department of Neuroscience, University of Turin, AOU Città della Salute e della Scienza, Turin, Italy
| | - Paola Longo
- Department of Neuroscience, University of Turin, AOU Città della Salute e della Scienza, Turin, Italy
| | - Giovanni Abbate-Daga
- Department of Neuroscience, University of Turin, AOU Città della Salute e della Scienza, Turin, Italy
| | | | - Carlotta Fossataro
- MANIBUS Lab, Department of Psychology, University of Turin, Turin, Italy.
| |
Collapse
|
16
|
Naeije G, Rovai A, Destrebecq V, Trotta N, De Tiège X. Anodal Cerebellar Transcranial Direct Current Stimulation Reduces Motor and Cognitive Symptoms in Friedreich's Ataxia: A Randomized, Sham-Controlled Trial. Mov Disord 2023; 38:1443-1450. [PMID: 37310043 DOI: 10.1002/mds.29453] [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: 02/17/2023] [Revised: 04/24/2023] [Accepted: 05/05/2023] [Indexed: 06/14/2023] Open
Abstract
BACKGROUND Friedreich Ataxia is the most common recessive ataxia with only one therapeutic drug approved solely in the United States. OBJECTIVE The aim of this work was to investigate whether anodal cerebellar transcranial direct current stimulation (ctDCS) reduces ataxic and cognitive symptoms in individuals with Friedreich's ataxia (FRDA) and to assess the effects of ctDCS on the activity of the secondary somatosensory (SII) cortex. METHODS We performed a single-blind, randomized, sham-controlled, crossover trial with anodal ctDCS (5 days/week for 1 week, 20 min/day, density current: 0.057 mA/cm2 ) in 24 patients with FRDA. Each patient underwent a clinical evaluation (Scale for the Assessment and Rating of Ataxia, composite cerebellar functional severity score, cerebellar cognitive affective syndrome scale) before and after anodal and sham ctDCS. Activity of the SII cortex contralateral to a tactile oddball stimulation of the right index finger was evaluated with brain functional magnetic resonance imaging at baseline and after anodal/sham ctDCS. RESULTS Anodal ctDCS led to a significant improvement in the Scale for the Assessment and Rating of Ataxia (-6.5%) and in the cerebellar cognitive affective syndrome scale (+11%) compared with sham ctDCS. It also led to a significant reduction in functional magnetic resonance imaging signal at the SII cortex contralateral to tactile stimulation (-26%) compared with sham ctDCS. CONCLUSIONS One week of treatment with anodal ctDCS reduces motor and cognitive symptoms in individuals with FRDA, likely by restoring the neocortical inhibition normally exerted by cerebellar structures. This study provides class I evidence that ctDCS stimulation is effective and safe in FRDA. © 2023 International Parkinson and Movement Disorder Society.
Collapse
Affiliation(s)
- Gilles Naeije
- Université libre de Bruxelles, UNI-ULB Neuroscience Institute, Laboratoire de Neuroanatomie et de Neuroimagerie translationnelles, Brussels, Belgium
- Université libre de Bruxelles, Hôpital Universitaire de Bruxelles, CUB Hôpital Erasme, Department of Neurology, Brussels, Belgium
| | - Antonin Rovai
- Université libre de Bruxelles, UNI-ULB Neuroscience Institute, Laboratoire de Neuroanatomie et de Neuroimagerie translationnelles, Brussels, Belgium
- Université libre de Bruxelles, Hôpital Universitaire de Bruxelles, CUB Hôpital Erasme, Department of Translational Neuroimaging, Brussels, Belgium
| | - Virginie Destrebecq
- Université libre de Bruxelles, UNI-ULB Neuroscience Institute, Laboratoire de Neuroanatomie et de Neuroimagerie translationnelles, Brussels, Belgium
- Université libre de Bruxelles, Hôpital Universitaire de Bruxelles, CUB Hôpital Erasme, Department of Neurology, Brussels, Belgium
| | - Nicola Trotta
- Université libre de Bruxelles, UNI-ULB Neuroscience Institute, Laboratoire de Neuroanatomie et de Neuroimagerie translationnelles, Brussels, Belgium
| | - Xavier De Tiège
- Université libre de Bruxelles, UNI-ULB Neuroscience Institute, Laboratoire de Neuroanatomie et de Neuroimagerie translationnelles, Brussels, Belgium
- Université libre de Bruxelles, Hôpital Universitaire de Bruxelles, CUB Hôpital Erasme, Department of Translational Neuroimaging, Brussels, Belgium
| |
Collapse
|
17
|
Calhoun G, Chen CT, Kanold PO. Bilateral widefield calcium imaging reveals circuit asymmetries and lateralized functional activation of the mouse auditory cortex. Proc Natl Acad Sci U S A 2023; 120:e2219340120. [PMID: 37459544 PMCID: PMC10372568 DOI: 10.1073/pnas.2219340120] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2022] [Accepted: 05/29/2023] [Indexed: 07/20/2023] Open
Abstract
Coordinated functioning of the two cortical hemispheres is crucial for perception. The human auditory cortex (ACx) shows functional lateralization with the left hemisphere specialized for processing speech, whereas the right analyzes spectral content. In mice, virgin females demonstrate a left-hemisphere response bias to pup vocalizations that strengthens with motherhood. However, how this lateralized function is established is unclear. We developed a widefield imaging microscope to simultaneously image both hemispheres of mice to bilaterally monitor functional responses. We found that global ACx topography is symmetrical and stereotyped. In both male and virgin female mice, the secondary auditory cortex (A2) in the left hemisphere shows larger responses than right to high-frequency tones and adult vocalizations; however, only virgin female mice show a left-hemisphere bias in A2 in response to adult pain calls. These results indicate hemispheric bias with both sex-independent and -dependent aspects. Analyzing cross-hemispheric functional correlations showed that asymmetries exist in the strength of correlations between DM-AAF and A2-AAF, while other ACx areas showed smaller differences. We found that A2 showed lower cross-hemisphere correlation than other cortical areas, consistent with the lateralized functional activation of A2. Cross-hemispheric activity correlations are lower in deaf, otoferlin knockout (OTOF-/-) mice, indicating that the development of functional cross-hemispheric connections is experience dependent. Together, our results reveal that ACx is topographically symmetric at the macroscopic scale but that higher-order A2 shows sex-dependent and independent lateralized responses due to asymmetric intercortical functional connections. Moreover, our results suggest that sensory experience is required to establish functional cross-hemispheric connectivity.
Collapse
Affiliation(s)
- Georgia Calhoun
- Department of Biomedical Engineering, Johns Hopkins University, Baltimore, MD21205
- Kavli Neuroscience Discovery Institute, Johns Hopkins University, Baltimore, MD21205
| | - Chih-Ting Chen
- Department of Biomedical Engineering, Johns Hopkins University, Baltimore, MD21205
- Kavli Neuroscience Discovery Institute, Johns Hopkins University, Baltimore, MD21205
| | - Patrick O. Kanold
- Department of Biomedical Engineering, Johns Hopkins University, Baltimore, MD21205
- Kavli Neuroscience Discovery Institute, Johns Hopkins University, Baltimore, MD21205
| |
Collapse
|
18
|
Gammeri R, Salatino A, Pyasik M, Cirillo E, Zavattaro C, Serra H, Pia L, Roberts DR, Berti A, Ricci R. Modulation of vestibular input by short-term head-down bed rest affects somatosensory perception: implications for space missions. Front Neural Circuits 2023; 17:1197278. [PMID: 37529715 PMCID: PMC10390228 DOI: 10.3389/fncir.2023.1197278] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2023] [Accepted: 06/28/2023] [Indexed: 08/03/2023] Open
Abstract
Introduction On Earth, self-produced somatosensory stimuli are typically perceived as less intense than externally generated stimuli of the same intensity, a phenomenon referred to as somatosensory attenuation (SA). Although this phenomenon arises from the integration of multisensory signals, the specific contribution of the vestibular system and the sense of gravity to somatosensory cognition underlying distinction between self-generated and externally generated sensations remains largely unknown. Here, we investigated whether temporary modulation of the gravitational input by head-down tilt bed rest (HDBR)-a well-known Earth-based analog of microgravity-might significantly affect somatosensory perception of self- and externally generated stimuli. Methods In this study, 40 healthy participants were tested using short-term HDBR. Participants received a total of 40 non-painful self- and others generated electrical stimuli (20 self- and 20 other-generated stimuli) in an upright and HDBR position while blindfolded. After each stimulus, they were asked to rate the perceived intensity of the stimulation on a Likert scale. Results Somatosensory stimulations were perceived as significantly less intense during HDBR compared to upright position, regardless of the agent administering the stimulus. In addition, the magnitude of SA in upright position was negatively correlated with the participants' somatosensory threshold. Based on the direction of SA in the upright position, participants were divided in two subgroups. In the subgroup experiencing SA, the intensity rating of stimulations generated by others decreased significantly during HDBR, leading to the disappearance of the phenomenon of SA. In the second subgroup, on the other hand, reversed SA was not affected by HDBR. Conclusion Modulation of the gravitational input by HDBR produced underestimation of somatosensory stimuli. Furthermore, in participants experiencing SA, the reduction of vestibular inputs by HDBR led to the disappearance of the SA phenomenon. These findings provide new insights into the role of the gravitational input in somatosensory perception and have important implications for astronauts who are exposed to weightlessness during space missions.
Collapse
Affiliation(s)
- Roberto Gammeri
- Space, Attention and Action (SAN) Lab, Department of Psychology, University of Turin, Turin, Italy
| | - Adriana Salatino
- Space, Attention and Action (SAN) Lab, Department of Psychology, University of Turin, Turin, Italy
| | - Maria Pyasik
- SpAtial, Motor and Bodily Awareness (SAMBA) Research Group, Department of Psychology, University of Turin, Turin, Italy
| | - Emanuele Cirillo
- Space, Attention and Action (SAN) Lab, Department of Psychology, University of Turin, Turin, Italy
| | - Claudio Zavattaro
- Space, Attention and Action (SAN) Lab, Department of Psychology, University of Turin, Turin, Italy
| | - Hilary Serra
- Space, Attention and Action (SAN) Lab, Department of Psychology, University of Turin, Turin, Italy
| | - Lorenzo Pia
- SpAtial, Motor and Bodily Awareness (SAMBA) Research Group, Department of Psychology, University of Turin, Turin, Italy
| | - Donna R. Roberts
- Department of Radiology and Radiological Science, Medical University of South Carolina, Charleston, SC, United States
| | - Anna Berti
- Space, Attention and Action (SAN) Lab, Department of Psychology, University of Turin, Turin, Italy
- SpAtial, Motor and Bodily Awareness (SAMBA) Research Group, Department of Psychology, University of Turin, Turin, Italy
| | - Raffaella Ricci
- Space, Attention and Action (SAN) Lab, Department of Psychology, University of Turin, Turin, Italy
| |
Collapse
|
19
|
Chu Q, Ma O, Hang Y, Tian X. Dual-stream cortical pathways mediate sensory prediction. Cereb Cortex 2023:7169133. [PMID: 37197767 DOI: 10.1093/cercor/bhad168] [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: 11/20/2022] [Revised: 04/24/2023] [Accepted: 04/26/2023] [Indexed: 05/19/2023] Open
Abstract
Predictions are constantly generated from diverse sources to optimize cognitive functions in the ever-changing environment. However, the neural origin and generation process of top-down induced prediction remain elusive. We hypothesized that motor-based and memory-based predictions are mediated by distinct descending networks from motor and memory systems to the sensory cortices. Using functional magnetic resonance imaging (fMRI) and a dual imagery paradigm, we found that motor and memory upstream systems activated the auditory cortex in a content-specific manner. Moreover, the inferior and posterior parts of the parietal lobe differentially relayed predictive signals in motor-to-sensory and memory-to-sensory networks. Dynamic causal modeling of directed connectivity revealed selective enabling and modulation of connections that mediate top-down sensory prediction and ground the distinctive neurocognitive basis of predictive processing.
Collapse
Affiliation(s)
- Qian Chu
- Shanghai Frontiers Science Center of Artificial Intelligence and Deep Learning, Division of Arts and Sciences, New York University Shanghai, Shanghai 200126, China
- NYU-ECNU Institute of Brain and Cognitive Science at NYU Shanghai, Shanghai 200062, China
- Max Planck-University of Toronto Centre for Neural Science and Technology, Toronto, ON M5S 2E4, Canada
| | - Ou Ma
- NYU-ECNU Institute of Brain and Cognitive Science at NYU Shanghai, Shanghai 200062, China
- Shanghai Key Laboratory of Brain Functional Genomics (Ministry of Education), School of Psychology and Cognitive Science, East China Normal University, Shanghai 200062, China
| | - Yuqi Hang
- NYU-ECNU Institute of Brain and Cognitive Science at NYU Shanghai, Shanghai 200062, China
- Department of Administration, Leadership, and Technology, Steinhardt School of Culture, Education, and Human Development, New York University, New York, NY 10003, United States
| | - Xing Tian
- Shanghai Frontiers Science Center of Artificial Intelligence and Deep Learning, Division of Arts and Sciences, New York University Shanghai, Shanghai 200126, China
- NYU-ECNU Institute of Brain and Cognitive Science at NYU Shanghai, Shanghai 200062, China
- Shanghai Key Laboratory of Brain Functional Genomics (Ministry of Education), School of Psychology and Cognitive Science, East China Normal University, Shanghai 200062, China
| |
Collapse
|
20
|
Zhang W, Yang F, Tian X. Functional connectivity between parietal and temporal lobes mediates internal forward models during speech production. BRAIN AND LANGUAGE 2023; 240:105266. [PMID: 37105004 DOI: 10.1016/j.bandl.2023.105266] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/11/2022] [Revised: 04/04/2023] [Accepted: 04/15/2023] [Indexed: 05/07/2023]
Abstract
Internal forward models hypothesize functional links between motor and sensory systems for predicting the consequences of actions. Recently, the cascaded theory proposes that somatosensory estimation in the inferior parietal lobe (IPL) can be a relay computational structure, converting motor signals into predictions of auditory consequences in a serial processing manner during speech production. The study used fMRI with functional connectivity (FC) analyses to investigate the proposed cascaded processes using three speech tasks: overt articulation (OA), silent articulation (SA) and imagined articulation (IA). The FC results showed that connectivity between aIPL and STG was increased in OA compared with SA, suggesting that the relationship between somatosensory and auditory estimations can be modulated by speech tasks. Moreover, stronger connectivity between IFGoper and pIPL, and between pIPL and STG were observed in SA and IA compared with OA. These results are consistent with a cascaded process in the internal forward models.
Collapse
Affiliation(s)
- Wenjia Zhang
- Key Laboratory for Artificial Intelligence and Cognitive Neuroscience of Language, Xi'an International Studies University, Xi'an, China; NYU-ECNU Institute of Brain and Cognitive Science at NYU Shanghai, Shanghai, China; Division of Arts and Sciences, New York University Shanghai, Shanghai, China.
| | - Fuyin Yang
- NYU-ECNU Institute of Brain and Cognitive Science at NYU Shanghai, Shanghai, China; Shanghai Key Laboratory of Brain Functional Genomics (Ministry of Education), School of Psychology and Cognitive Science, East China Normal University, Shanghai, China
| | - Xing Tian
- NYU-ECNU Institute of Brain and Cognitive Science at NYU Shanghai, Shanghai, China; Division of Arts and Sciences, New York University Shanghai, Shanghai, China.
| |
Collapse
|
21
|
Abdulkarim Z, Guterstam A, Hayatou Z, Ehrsson HH. Neural Substrates of Body Ownership and Agency during Voluntary Movement. J Neurosci 2023; 43:2362-2380. [PMID: 36801824 PMCID: PMC10072298 DOI: 10.1523/jneurosci.1492-22.2023] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2022] [Revised: 01/18/2023] [Accepted: 02/12/2023] [Indexed: 02/19/2023] Open
Abstract
Body ownership and the sense of agency are two central aspects of bodily self-consciousness. While multiple neuroimaging studies have investigated the neural correlates of body ownership and agency separately, few studies have investigated the relationship between these two aspects during voluntary movement when such experiences naturally combine. By eliciting the moving rubber hand illusion with active or passive finger movements during functional magnetic resonance imaging, we isolated activations reflecting the sense of body ownership and agency, respectively, as well as their interaction, and assessed their overlap and anatomic segregation. We found that perceived hand ownership was associated with activity in premotor, posterior parietal, and cerebellar regions, whereas the sense of agency over the movements of the hand was related to activity in the dorsal premotor cortex and superior temporal cortex. Moreover, one section of the dorsal premotor cortex showed overlapping activity for ownership and agency, and somatosensory cortical activity reflected the interaction of ownership and agency with higher activity when both agency and ownership were experienced. We further found that activations previously attributed to agency in the left insular cortex and right temporoparietal junction reflected the synchrony or asynchrony of visuoproprioceptive stimuli rather than agency. Collectively, these results reveal the neural bases of agency and ownership during voluntary movement. Although the neural representations of these two experiences are largely distinct, there are interactions and functional neuroanatomical overlap during their combination, which has bearing on theories on bodily self-consciousness.SIGNIFICANCE STATEMENT How does the brain generate the sense of being in control of bodily movement (agency) and the sense that body parts belong to one's body (body ownership)? Using fMRI and a bodily illusion triggered by movement, we found that agency is associated with activity in premotor cortex and temporal cortex, and body ownership with activity in premotor, posterior parietal, and cerebellar regions. The activations reflecting the two sensations were largely distinct, but there was overlap in premotor cortex and an interaction in somatosensory cortex. These findings advance our understanding of the neural bases of and interplay between agency and body ownership during voluntary movement, which has implications for the development of advanced controllable prosthetic limbs that feel like real limbs.
Collapse
Affiliation(s)
| | - Arvid Guterstam
- Department of Clinical Neuroscience, Karolinska Institutet, 171 77 Stockholm, Sweden
| | - Zineb Hayatou
- Université Paris-Saclay, CNRS, Institut Des Neurosciences Paris-Saclay, 91190 Gif-sur-Yvette, France
| | - H Henrik Ehrsson
- Department of Neuroscience, Karolinska Institutet, 171 77 Stockholm, Sweden
| |
Collapse
|
22
|
Press C, Thomas ER, Yon D. Cancelling cancellation? Sensorimotor control, agency, and prediction. Neurosci Biobehav Rev 2023; 145:105012. [PMID: 36565943 DOI: 10.1016/j.neubiorev.2022.105012] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2022] [Revised: 12/06/2022] [Accepted: 12/18/2022] [Indexed: 12/24/2022]
Abstract
For decades, classic theories of action control and action awareness have been built around the idea that the brain predictively 'cancels' expected action outcomes from perception. However, recent research casts doubt over this basic premise. What do these new findings mean for classic accounts of action? Should we now 'cancel' old data, theories and approaches generated under this idea? In this paper, we argue 'No'. While doubts about predictive cancellation may urge us to fundamentally rethink how predictions shape perception, the wider pyramid using these ideas to explain action control and agentic experiences can remain largely intact. Some adaptive functions assigned to predictive cancellation can be achieved through quasi-predictive processes, that influence perception without actively tracking the probabilistic structure of the environment. Other functions may rely upon truly predictive processes, but not require that these predictions cancel perception. Appreciating the role of these processes may help us to move forward in explaining how agents optimise their interactions with the external world, even if predictive cancellation is cancelled from theory.
Collapse
Affiliation(s)
- Clare Press
- Department of Psychological Sciences, Birkbeck, University of London, Malet Street, London WC1E 7HX, UK; Wellcome Centre for Human Neuroimaging, UCL, 12 Queen Square, London WC1N 3AR, UK.
| | - Emily R Thomas
- Neuroscience Institute, New York University School of Medicine, 550 1st Ave, New York, NY 10016, USA
| | - Daniel Yon
- Department of Psychological Sciences, Birkbeck, University of London, Malet Street, London WC1E 7HX, UK
| |
Collapse
|
23
|
Kang L, Wang W, Zhang N, Nie Z, Gong Q, Yao L, Tu N, Feng H, Zong X, Bai H, Wang G, Bu L, Wang F, Liu Z. Superior temporal gyrus and cerebellar loops predict nonsuicidal self-injury in major depressive disorder patients by multimodal neuroimaging. Transl Psychiatry 2022; 12:474. [PMID: 36357369 PMCID: PMC9649804 DOI: 10.1038/s41398-022-02235-y] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/10/2022] [Revised: 10/22/2022] [Accepted: 10/25/2022] [Indexed: 11/12/2022] Open
Abstract
In major depressive disorder (MDD) patients, nonsuicidal self-injury (NSSI) is a common comorbidity, and it is important to clarify the underlying neurobiology. Here, we investigated the association of NSSI with brain function and structure in MDD patients. A total of 260 MDD patients and 132 healthy controls (HCs) underwent resting-state functional magnetic resonance imaging and three-dimensional T1-weighted structural scans. NSSI behaviour was assessed through interviews. Voxel-based morphometry analysis (VBM), regional homogeneity analysis (ReHo), functional connectome topology properties and network-based statistics were used to detect the differences in neuroimaging characteristics. Finally, the random forest method was used to evaluate whether these factors could predict NSSI in MDD. Compared with HCs, MDD patients with a history of NSSI showed significant right putamen grey matter volume (GMV), right superior orbital frontal cortex ReHo, left pallidum degree centrality, and putamen-centre function network differences. Compared to MDD subjects without NSSI, those with past NSSI showed significant right superior temporal gyrus (STG) GMV, right lingual gyrus ReHo, sigma and global efficiency, and cerebellum-centre function network differences. The right STG GMV and cerebellum-centre function network were more important than other factors in predicting NSSI behaviour in MDD. MDD patients with a history of NSSI have dysregulated spontaneous brain activity and structure in regions related to emotions, pain regulation, and the somatosensory system. Importantly, right STG GMV and cerebellar loops may play important roles in NSSI in MDD patients.
Collapse
Affiliation(s)
- Lijun Kang
- grid.412632.00000 0004 1758 2270Department of Psychiatry, Renmin Hospital of Wuhan University, Wuhan, China
| | - Wei Wang
- grid.412632.00000 0004 1758 2270Department of Psychiatry, Renmin Hospital of Wuhan University, Wuhan, China
| | - Nan Zhang
- grid.412632.00000 0004 1758 2270Department of Psychiatry, Renmin Hospital of Wuhan University, Wuhan, China
| | - Zhaowen Nie
- grid.412632.00000 0004 1758 2270Department of Psychiatry, Renmin Hospital of Wuhan University, Wuhan, China
| | - Qian Gong
- grid.412632.00000 0004 1758 2270Department of Psychiatry, Renmin Hospital of Wuhan University, Wuhan, China
| | - Lihua Yao
- grid.412632.00000 0004 1758 2270Department of Psychiatry, Renmin Hospital of Wuhan University, Wuhan, China
| | - Ning Tu
- grid.412632.00000 0004 1758 2270PET/CT/MRI and Molecular Imaging Center, Renmin Hospital of Wuhan University, Wuhan, China
| | - Hongyan Feng
- grid.412632.00000 0004 1758 2270PET/CT/MRI and Molecular Imaging Center, Renmin Hospital of Wuhan University, Wuhan, China
| | - Xiaofen Zong
- grid.412632.00000 0004 1758 2270Department of Psychiatry, Renmin Hospital of Wuhan University, Wuhan, China
| | - Hanping Bai
- grid.412632.00000 0004 1758 2270Department of Psychiatry, Renmin Hospital of Wuhan University, Wuhan, China
| | - Gaohua Wang
- grid.412632.00000 0004 1758 2270Department of Psychiatry, Renmin Hospital of Wuhan University, Wuhan, China
| | - Lihong Bu
- PET/CT/MRI and Molecular Imaging Center, Renmin Hospital of Wuhan University, Wuhan, China.
| | - Fei Wang
- Early Intervention Unit, Department of Psychiatry, Affiliated Nanjing Brain Hospital, Nanjing Medical University, Nanjing, China. .,Functional Brain Imaging Institute of Nanjing Medical University, Nanjing, China.
| | - Zhongchun Liu
- Department of Psychiatry, Renmin Hospital of Wuhan University, Wuhan, China. .,Taikang Center for Life and Medical Sciences, Wuhan University, Wuhan, China.
| |
Collapse
|
24
|
Schienle A, Schlintl C, Wabnegger A. A neurobiological evaluation of soft touch training for patients with skin-picking disorder. Neuroimage Clin 2022; 36:103254. [PMID: 36451359 PMCID: PMC9668654 DOI: 10.1016/j.nicl.2022.103254] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2022] [Revised: 10/13/2022] [Accepted: 10/31/2022] [Indexed: 11/06/2022]
Abstract
BACKGROUND Individuals with skin-picking disorder (SPD) display reduced neural sensitivity to slow/soft touch. This functional magnetic resonance imaging (fMRI) study investigated the effects of Soft Touch Training (STT) on neural correlates of touch processing and SPD symptoms. METHOD Females with a primary diagnosis of SPD (n = 57) were randomly assigned to receive either four weeks of STT (guided soft brushing of selected skin regions) or Progressive Muscle Relaxation (PMR) training (guided tensing and relaxing of selected muscle regions). The app-assisted intervention consisted of 15-minute daily training sessions at home. Before and after the four-week intervention, the two groups participated in a standardized tactile stimulation procedure during fMRI (affective vs nonaffective touch of the forearm). Intervention-based changes in subjective and neural responses to the tactile stimulation as well as SPD severity were compared between the groups. RESULTS STT increased the pleasantness ratings for (affective) touch administered during fMRI, which was accompanied by decreased activation in the parietal operculum (PO) and supramarginal gyrus (SMG), as well as increased PO-SMG connectivity. These findings possibly reflect normalized affective touch processing due to STT. Both interventions (STT and PMR) reduced SPD severity. CONCLUSIONS This study demonstrated that a brief app-assisted touch training can change the experience of receiving touch from others and the associated brain activity and connectivity. Adaptations of the training relating to duration/ frequency of sessions might enhance its effectiveness.
Collapse
Affiliation(s)
- Anne Schienle
- Clinical Psychology, University of Graz, BioTechMed Graz, Austria.
| | - Carina Schlintl
- Clinical Psychology, University of Graz, BioTechMed Graz, Austria
| | - Albert Wabnegger
- Clinical Psychology, University of Graz, BioTechMed Graz, Austria
| |
Collapse
|
25
|
Lubinus C, Einhäuser W, Schiller F, Kircher T, Straube B, van Kemenade BM. Action-based predictions affect visual perception, neural processing, and pupil size, regardless of temporal predictability. Neuroimage 2022; 263:119601. [PMID: 36064139 DOI: 10.1016/j.neuroimage.2022.119601] [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: 08/01/2022] [Revised: 08/30/2022] [Accepted: 09/01/2022] [Indexed: 10/31/2022] Open
Abstract
Sensory consequences of one's own action are often perceived as less intense, and lead to reduced neural responses, compared to externally generated stimuli. Presumably, such sensory attenuation is due to predictive mechanisms based on the motor command (efference copy). However, sensory attenuation has also been observed outside the context of voluntary action, namely when stimuli are temporally predictable. Here, we aimed at disentangling the effects of motor and temporal predictability-based mechanisms on the attenuation of sensory action consequences. During fMRI data acquisition, participants (N = 25) judged which of two visual stimuli was brighter. In predictable blocks, the stimuli appeared temporally aligned with their button press (active) or aligned with an automatically generated cue (passive). In unpredictable blocks, stimuli were presented with a variable delay after button press/cue, respectively. Eye tracking was performed to investigate pupil-size changes and to ensure proper fixation. Self-generated stimuli were perceived as darker and led to less neural activation in visual areas than their passive counterparts, indicating sensory attenuation for self-generated stimuli independent of temporal predictability. Pupil size was larger during self-generated stimuli, which correlated negatively with the blood oxygenation level dependent (BOLD) response: the larger the pupil, the smaller the BOLD amplitude in visual areas. Our results suggest that sensory attenuation in visual cortex is driven by action-based predictive mechanisms rather than by temporal predictability. This effect may be related to changes in pupil diameter. Altogether, these results emphasize the role of the efference copy in the processing of sensory action consequences.
Collapse
Affiliation(s)
- Christina Lubinus
- Department of Neuroscience, Max-Planck-Institute for Empirical Aesthetics, Grüneburgweg 14, Frankfurt am Main D-60322, Germany; Department of Psychiatry and Psychotherapy and Center for Mind, Brain and Behavior (CMBB), University of Marburg, Rudolf-Bultmann-Str. 8, Marburg D-35039, Germany.
| | - Wolfgang Einhäuser
- Institute of Physics, Physics of Cognition Group, Chemnitz University of Technology, Chemnitz D-09107, Germany
| | - Florian Schiller
- Department of Psychology, Justus Liebig University Giessen, Otto-Behaghel-Str. 10, Giessen D-35394, Germany
| | - Tilo Kircher
- Department of Psychiatry and Psychotherapy and Center for Mind, Brain and Behavior (CMBB), University of Marburg, Rudolf-Bultmann-Str. 8, Marburg D-35039, Germany
| | - Benjamin Straube
- Department of Psychiatry and Psychotherapy and Center for Mind, Brain and Behavior (CMBB), University of Marburg, Rudolf-Bultmann-Str. 8, Marburg D-35039, Germany
| | - Bianca M van Kemenade
- Department of Psychiatry and Psychotherapy and Center for Mind, Brain and Behavior (CMBB), University of Marburg, Rudolf-Bultmann-Str. 8, Marburg D-35039, Germany; Center for Cognitive Neuroimaging, Institute of Neuroscience and Psychology, University of Glasgow, Glasgow, UK
| |
Collapse
|
26
|
Kobayashi R, Sakurai N, Nagasaka K, Kasai S, Kodama N. Relationship between Tactile Sensation, Motor Activity, and Differential Brain Activity in Young Individuals. Brain Sci 2022; 12:brainsci12070924. [PMID: 35884731 PMCID: PMC9321563 DOI: 10.3390/brainsci12070924] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2022] [Revised: 07/12/2022] [Accepted: 07/13/2022] [Indexed: 02/01/2023] Open
Abstract
In this study, we compared the differences in brain activation associated with the different types of objects using functional magnetic resonance imaging (fMRI). Twenty-six participants in their 20s underwent fMRI while grasping four different types of objects. After the experiment, all of the participants completed a questionnaire based on the Likert Scale, which asked them about the sensations they experienced while grasping each object (comfort, hardness, pain, ease in grasping). We investigated the relationship between brain activity and the results of the survey; characteristic brain activity for each object was correlated with the results of the questionnaire, indicating that each object produced a different sensation response in the participants. Additionally, we observed brain activity in the primary somatosensory cortex (postcentral gyrus), the primary motor cortex (precentral gyrus), and the cerebellum exterior during the gripping task. Our study shows that gripping different objects produces activity in specific and distinct brain regions and suggests an “action appraisal” mechanism, which is considered to be the act of integrating multiple different sensory information and connecting it to actual action. To the best of our knowledge, this is the first study to observe brain activity in response to tactile stimuli and motor activity simultaneously.
Collapse
Affiliation(s)
- Ryota Kobayashi
- CLAIRVO TECHNOLOGIES, Inc., 1-4-2 Ohtemachi, Chiyoda-ku, Tokyo 100-8088, Japan
- Correspondence: (R.K.); (N.K.)
| | - Noriko Sakurai
- Department of Radiological Technology, Faculty of Medical Technology, Niigata University of Health and Welfare, 1398 Shimami-cho, Kita-ku, Niigata 950-3198, Japan; (N.S.); (S.K.)
| | - Kazuaki Nagasaka
- Department of Physical Therapy, Faculty of Rehabilitation, Niigata University of Health and Welfare, 1398 Shimami-cho, Kita-ku, Niigata 950-3198, Japan;
| | - Satoshi Kasai
- Department of Radiological Technology, Faculty of Medical Technology, Niigata University of Health and Welfare, 1398 Shimami-cho, Kita-ku, Niigata 950-3198, Japan; (N.S.); (S.K.)
| | - Naoki Kodama
- Department of Radiological Technology, Faculty of Medical Technology, Niigata University of Health and Welfare, 1398 Shimami-cho, Kita-ku, Niigata 950-3198, Japan; (N.S.); (S.K.)
- Correspondence: (R.K.); (N.K.)
| |
Collapse
|
27
|
Asimakidou E, Job X, Kilteni K. The positive dimension of schizotypy is associated with a reduced attenuation and precision of self-generated touch. SCHIZOPHRENIA (HEIDELBERG, GERMANY) 2022; 8:57. [PMID: 35854009 PMCID: PMC9261081 DOI: 10.1038/s41537-022-00264-6] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/22/2022] [Accepted: 06/08/2022] [Indexed: 02/01/2023]
Abstract
The brain predicts the sensory consequences of our movements and uses these predictions to attenuate the perception of self-generated sensations. Accordingly, self-generated touch feels weaker than an externally generated touch of identical intensity. In schizophrenia, this somatosensory attenuation is substantially reduced, suggesting that patients with positive symptoms fail to accurately predict and process self-generated touch. If an impaired prediction underlies the positive symptoms of schizophrenia, then a similar impairment should exist in healthy nonclinical individuals with high positive schizotypal traits. One hundred healthy participants (53 female), assessed for schizotypal traits, underwent a well-established psychophysics force discrimination task to quantify how they perceived self-generated and externally generated touch. The perceived intensity of tactile stimuli delivered to their left index finger (magnitude) and the ability to discriminate the stimuli (precision) was measured. We observed that higher positive schizotypal traits were associated with reduced somatosensory attenuation and poorer somatosensory precision of self-generated touch, both when treating schizotypy as a continuous or categorical variable. These effects were specific to positive schizotypy and were not observed for the negative or disorganized dimensions of schizotypy. The results suggest that positive schizotypal traits are associated with a reduced ability to predict and process self-generated touch. Given that the positive dimension of schizotypy represents the analogue of positive psychotic symptoms of schizophrenia, deficits in processing self-generated tactile information could indicate increased liability to schizophrenia.
Collapse
Affiliation(s)
- Evridiki Asimakidou
- Department of Neuroscience, Karolinska Institutet, Solnavägen 9, 17165, Stockholm, Sweden
| | - Xavier Job
- Department of Neuroscience, Karolinska Institutet, Solnavägen 9, 17165, Stockholm, Sweden
| | - Konstantina Kilteni
- Department of Neuroscience, Karolinska Institutet, Solnavägen 9, 17165, Stockholm, Sweden.
| |
Collapse
|
28
|
Kilteni K, Ehrsson HH. Predictive attenuation of touch and tactile gating are distinct perceptual phenomena. iScience 2022; 25:104077. [PMID: 35372807 PMCID: PMC8968059 DOI: 10.1016/j.isci.2022.104077] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2021] [Revised: 12/21/2021] [Accepted: 03/11/2022] [Indexed: 01/26/2023] Open
Abstract
In recent decades, research on somatosensory perception has led to two important observations. First, self-generated touches that are predicted by voluntary movements become attenuated compared with externally generated touches of the same intensity (attenuation). Second, externally generated touches feel weaker and are more difficult to detect during movement than at rest (gating). At present, researchers often consider gating and attenuation the same suppression process; however, this assumption is unwarranted because, despite more than 40 years of research, no study has combined them in a single paradigm. We quantified how people perceive self-generated and externally generated touches during movement and rest. We show that whereas voluntary movement gates the precision of both self-generated and externally generated touch, the amplitude of self-generated touch is robustly attenuated compared with externally generated touch. Furthermore, attenuation and gating do not interact and are not correlated, and we conclude that they represent distinct perceptual phenomena. We tested the perception of self-generated and external touch during movement and rest The intensity of self-generated touch is reduced during movement and rest (attenuation) The precision of self-generated and external touch is reduced during movement (gating) Attenuation and gating neither interact nor correlate, and are distinct phenomena
Collapse
Affiliation(s)
- Konstantina Kilteni
- Department of Neuroscience, Karolinska Institutet, Solnavägen 9, 17165 Stockholm, Sweden
- Corresponding author
| | - H. Henrik Ehrsson
- Department of Neuroscience, Karolinska Institutet, Solnavägen 9, 17165 Stockholm, Sweden
| |
Collapse
|
29
|
Cognitive and emotional regulation processes of spontaneous facial self-touch are activated in the first milliseconds of touch: Replication of previous EEG findings and further insights. COGNITIVE, AFFECTIVE & BEHAVIORAL NEUROSCIENCE 2022; 22:984-1000. [PMID: 35182383 PMCID: PMC8857530 DOI: 10.3758/s13415-022-00983-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Accepted: 12/22/2021] [Indexed: 12/22/2022]
Abstract
Spontaneously touching one’s own face (sFST) is an everyday behavior that occurs in people of all ages, worldwide. It is—as opposed to actively touching the own face—performed without directing one’s attention to the action, and it serves neither instrumental (scratching, nose picking) nor communicative purposes. These sFST have been discussed in the context of self-regulation, emotional homeostasis, working memory processes, and attention focus. Even though self-touch research dates back decades, neuroimaging studies of this spontaneous behavior are basically nonexistent. To date, there is only one electroencephalography study that analyzed spectral power changes before and after sFST in 14 participants. The present study replicates the previous study on a larger sample. Sixty participants completed a delayed memory task of complex haptic relief stimuli while distracting sounds were played. During the retention interval 44 of the participants exhibited spontaneous face touch. Spectral power analyses corroborated the results of the replicated study. Decreased power shortly before sFST and increased power right after sFST indicated an involvement of regulation of attentional, emotional, and working memory processes. Additional analyses of spectral power changes during the skin contact phase of sFST revealed that significant neurophysiological changes do not occur while skin contact is in progress but at the beginning of sFST (movement toward face and initial skin contact). The present findings clearly illustrate the complexity of sFST and that the specific trigger mechanisms and functions of this spontaneous behavior need to be further investigated in controlled, experimental studies.
Collapse
|
30
|
Dercksen TT, Widmann A, Scharf F, Wetzel N. Sound omission related brain responses in children. Dev Cogn Neurosci 2022; 53:101045. [PMID: 34923314 PMCID: PMC8688889 DOI: 10.1016/j.dcn.2021.101045] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2021] [Revised: 10/21/2021] [Accepted: 12/09/2021] [Indexed: 11/03/2022] Open
Abstract
Action is an important way for children to learn about the world. Recent theories suggest that action is inherently accompanied by the sensory prediction of its effects. Such predictions can be revealed by rarely omitting the expected sensory consequence of the action, resulting in an omission response that is observable in the EEG. Although prediction errors play an important role in models of learning and development, little is known about omission-related brain responses in children. This study used a motor-auditory omission paradigm, testing a group of 6-8-year-old children and an adult group (N = 31 each). In an identity-specific condition, the sound coupled to the motor action was predictable, while in an identity unspecific condition the sound was unpredictable. Results of a temporal principal component analysis revealed that sound-related brain responses underlying the N1-complex differed considerably between age groups. Despite these developmental differences, omission responses (oN1) were similar between age groups. Two subcomponents of the oN1 were differently affected by specific and unspecific predictions. Results demonstrate that children, independent from the maturation of sound processing mechanisms, can implement specific and unspecific predictions as flexibly as adults. This supports theories that regard action and prediction error as important drivers of cognitive development.
Collapse
Affiliation(s)
- Tjerk T Dercksen
- Leibniz Institute for Neurobiology, Brenneckestraße 6, 39118 Magdeburg, Germany; Center for Behavioral Brain Sciences, Universitätsplatz 2, D-39106 Magdeburg, Germany.
| | - Andreas Widmann
- Leibniz Institute for Neurobiology, Brenneckestraße 6, 39118 Magdeburg, Germany; Leipzig University, Neumarkt 9-19, D-04109 Leipzig, Germany
| | - Florian Scharf
- University of Münster, Fliednerstraße 21, 48149 Münster, Germany
| | - Nicole Wetzel
- Leibniz Institute for Neurobiology, Brenneckestraße 6, 39118 Magdeburg, Germany; Center for Behavioral Brain Sciences, Universitätsplatz 2, D-39106 Magdeburg, Germany; University of Applied Sciences Magdeburg-Stendal, Osterburgerstraße 25, 39576 Stendal, Germany
| |
Collapse
|
31
|
|
32
|
Parthasharathy M, Mantini D, Orban de Xivry JJ. Increased upper-limb sensory attenuation with age. J Neurophysiol 2021; 127:474-492. [PMID: 34936521 DOI: 10.1152/jn.00558.2020] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
The pressure of our own finger on the arm feels differently than the same pressure exerted by an external agent: the latter involves just touch, whereas the former involves a combination of touch and predictive output from the internal model of the body. This internal model predicts the movement of our own finger and hence the intensity of the sensation of the finger press is decreased. A decrease in intensity of the self-produced stimulus is called sensory attenuation. It has been reported that, due to decreased proprioception with age and an increased reliance on the prediction of the internal model, sensory attenuation is increased in older adults. In this study, we used a force-matching paradigm to test if sensory attenuation is also present over the arm and if aging increases sensory attenuation. We demonstrated that, while both young and older adults overestimate a self-produced force, older adults overestimate it even more showing an increased sensory attenuation. In addition, we also found that both younger and older adults self-produce higher forces when activating the homologous muscles of the upper limb. While this is traditionally viewed as evidence for an increased reliance on internal model function in older adults because of decreased proprioception, proprioception appeared unimpaired in our older participants. This begs the question of whether an age-related decrease in proprioception is really responsible for the increased sensory attenuation observed in older people.
Collapse
Affiliation(s)
- Manasa Parthasharathy
- Motor Control and Neuroplasticity Research group, Department of Movement Sciences, KU Leuven, Leuven, Belgium.,Leuven Brain Institute, KU Leuven, Leuven, Belgium
| | - Dante Mantini
- Motor Control and Neuroplasticity Research group, Department of Movement Sciences, KU Leuven, Leuven, Belgium.,Brain Imaging and Neural Dynamics Research Group, IRCCS San Camillo Hospital, Venice, Italy
| | - Jean-Jacques Orban de Xivry
- Motor Control and Neuroplasticity Research group, Department of Movement Sciences, KU Leuven, Leuven, Belgium.,Leuven Brain Institute, KU Leuven, Leuven, Belgium
| |
Collapse
|
33
|
Abstract
It is widely believed that predicted tactile action outcomes are perceptually attenuated. The present experiments determined whether predictive mechanisms necessarily generate attenuation or, instead, can enhance perception-as typically observed in sensory cognition domains outside of action. We manipulated probabilistic expectations in a paradigm often used to demonstrate tactile attenuation. Adult participants produced actions and subsequently rated the intensity of forces on a static finger. Experiment 1 confirmed previous findings that action outcomes are perceived less intensely than passive stimulation but demonstrated more intense perception when active finger stimulation was removed. Experiments 2 and 3 manipulated prediction explicitly and found that expected touch during action is perceived more intensely than unexpected touch. Computational modeling suggested that expectations increase the gain afforded to expected tactile signals. These findings challenge a central tenet of prominent motor control theories and demonstrate that sensorimotor predictions do not exhibit a qualitatively distinct influence on tactile perception.
Collapse
Affiliation(s)
- Emily R Thomas
- Department of Psychological Sciences, Birkbeck, University of London
| | - Daniel Yon
- Department of Psychological Sciences, Birkbeck, University of London.,Department of Psychology, Goldsmiths, University of London
| | - Floris P de Lange
- Donders Institute for Brain, Cognition and Behaviour, Radboud University
| | - Clare Press
- Department of Psychological Sciences, Birkbeck, University of London
| |
Collapse
|
34
|
Stripeikyte G, Pereira M, Rognini G, Potheegadoo J, Blanke O, Faivre N. Increased Functional Connectivity of the Intraparietal Sulcus Underlies the Attenuation of Numerosity Estimations for Self-Generated Words. J Neurosci 2021; 41:8917-8927. [PMID: 34497152 PMCID: PMC8549530 DOI: 10.1523/jneurosci.3164-20.2021] [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: 12/18/2020] [Revised: 06/29/2021] [Accepted: 07/01/2021] [Indexed: 11/21/2022] Open
Abstract
Previous studies have shown that self-generated stimuli in auditory, visual, and somatosensory domains are attenuated, producing decreased behavioral and neural responses compared with the same stimuli that are externally generated. Yet, whether such attenuation also occurs for higher-level cognitive functions beyond sensorimotor processing remains unknown. In this study, we assessed whether cognitive functions such as numerosity estimations are subject to attenuation in 56 healthy participants (32 women). We designed a task allowing the controlled comparison of numerosity estimations for self-generated (active condition) and externally generated (passive condition) words. Our behavioral results showed a larger underestimation of self-generated compared with externally generated words, suggesting that numerosity estimations for self-generated words are attenuated. Moreover, the linear relationship between the reported and actual number of words was stronger for self-generated words, although the ability to track errors about numerosity estimations was similar across conditions. Neuroimaging results revealed that numerosity underestimation involved increased functional connectivity between the right intraparietal sulcus and an extended network (bilateral supplementary motor area, left inferior parietal lobule, and left superior temporal gyrus) when estimating the number of self-generated versus externally generated words. We interpret our results in light of two models of attenuation and discuss their perceptual versus cognitive origins.SIGNIFICANCE STATEMENT We perceive sensory events as less intense when they are self-generated compared with when they are externally generated. This phenomenon, called attenuation, enables us to distinguish sensory events from self and external origins. Here, we designed a novel fMRI paradigm to assess whether cognitive processes such as numerosity estimations are also subject to attenuation. When asking participants to estimate the number of words they had generated or passively heard, we found bigger underestimation in the former case, providing behavioral evidence of attenuation. Attenuation was associated with increased functional connectivity of the intraparietal sulcus, a region involved in numerosity processing. Together, our results indicate that the attenuation of self-generated stimuli is not limited to sensory consequences but is also impact cognitive processes such as numerosity estimations.
Collapse
Affiliation(s)
- Giedre Stripeikyte
- Center for Neuroprosthetics, Swiss Federal Institute of Technology (EPFL), CH-1202 Geneva, Switzerland
- Brain Mind Institute, Faculty of Life Sciences, Swiss Federal Institute of Technology (EPFL), CH-1015 Lausanne, Switzerland
| | - Michael Pereira
- Center for Neuroprosthetics, Swiss Federal Institute of Technology (EPFL), CH-1202 Geneva, Switzerland
- Brain Mind Institute, Faculty of Life Sciences, Swiss Federal Institute of Technology (EPFL), CH-1015 Lausanne, Switzerland
- Laboratoire de Psychologie et NeuroCognition, CNRS, Univ. Grenoble Alpes, CNRS, LPNC, 38000 Grenoble, France
| | - Giulio Rognini
- Center for Neuroprosthetics, Swiss Federal Institute of Technology (EPFL), CH-1202 Geneva, Switzerland
- Brain Mind Institute, Faculty of Life Sciences, Swiss Federal Institute of Technology (EPFL), CH-1015 Lausanne, Switzerland
| | - Jevita Potheegadoo
- Center for Neuroprosthetics, Swiss Federal Institute of Technology (EPFL), CH-1202 Geneva, Switzerland
- Brain Mind Institute, Faculty of Life Sciences, Swiss Federal Institute of Technology (EPFL), CH-1015 Lausanne, Switzerland
| | - Olaf Blanke
- Center for Neuroprosthetics, Swiss Federal Institute of Technology (EPFL), CH-1202 Geneva, Switzerland
- Brain Mind Institute, Faculty of Life Sciences, Swiss Federal Institute of Technology (EPFL), CH-1015 Lausanne, Switzerland
- Department of Neurology, University of Geneva, CH-1211 Geneva, Switzerland
| | - Nathan Faivre
- Center for Neuroprosthetics, Swiss Federal Institute of Technology (EPFL), CH-1202 Geneva, Switzerland
- Brain Mind Institute, Faculty of Life Sciences, Swiss Federal Institute of Technology (EPFL), CH-1015 Lausanne, Switzerland
- Laboratoire de Psychologie et NeuroCognition, CNRS, Univ. Grenoble Alpes, CNRS, LPNC, 38000 Grenoble, France
| |
Collapse
|
35
|
Loureiro JRA, Sahib AK, Vasavada M, Leaver A, Kubicki A, Wade B, Joshi S, Hellemann G, Congdon E, Woods RP, Espinoza R, Narr KL. Ketamine's modulation of cerebro-cerebellar circuitry during response inhibition in major depression. Neuroimage Clin 2021; 32:102792. [PMID: 34571429 PMCID: PMC8476854 DOI: 10.1016/j.nicl.2021.102792] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2020] [Revised: 08/11/2021] [Accepted: 08/13/2021] [Indexed: 12/01/2022]
Abstract
Ketamine modulates cerebellar connectivity during response inhibition in depression. Cerebellar–frontoparietal/sensory connectivity decreases in ketamine remitters. Cerebellar-frontoparietal/salience connectivity predicts treatment outcome. Cerebro-cerebellar loops serve as treatment biomarkers in major depression.
Patients with major depressive disorder (MDD) exhibit impaired control of cognitive and emotional systems, including deficient response selection and inhibition. Though these deficits are typically attributed to abnormal communication between macro-scale cortical networks, altered communication with the cerebellum also plays an important role. Yet, how the circuitry between the cerebellum and large-scale functional networks impact treatment outcome in MDD is not understood. We thus examined how ketamine, which elicits rapid therapeutic effects in MDD, modulates cerebro-cerebellar circuitry during response-inhibition using a functional imaging NoGo/Go task in MDD patients (N = 46, mean age: 39.2, 38.1% female) receiving four ketamine infusions, and healthy controls (N = 32, mean age:35.2, 71.4% female). We fitted psychophysiological-interaction (PPI) models for a functionally-derived cerebellar-seed and extracted average PPI in three target functional networks, frontoparietal (FPN), sensory-motor (SMN) and salience (SN) networks. Time and remission status were then evaluated for each of the networks and their network-nodes. Follow-up tests examined whether PPI-connectivity differed between patient remitter/non-remitters and controls. Results showed significant decreases in PPI-connectivity after ketamine between the cerebellum and FPN (p < 0.001) and SMN networks (p = 0.008) in remitters only (N = 20). However, ketamine-related changes in PPI-connectivity between the cerebellum and the SN (p = 0.003) did not vary with remitter status. Cerebellar-FPN, -SN PPI values at baseline were also associated with treatment outcome. Using novel methodology to quantify the functional coupling of cerebro-cerebellar circuitry during response-inhibition, our findings highlight that these loops play distinct roles in treatment response and could potentially serve as novel biomarkers for fast-acting antidepressant therapies in MDD.
Collapse
Affiliation(s)
- Joana R A Loureiro
- Ahmanson-Lovelace Brain Mapping Center, Department of Neurology, University of California Los Angeles, Los Angeles, CA, USA.
| | - Ashish K Sahib
- Ahmanson-Lovelace Brain Mapping Center, Department of Neurology, University of California Los Angeles, Los Angeles, CA, USA
| | - Megha Vasavada
- Ahmanson-Lovelace Brain Mapping Center, Department of Neurology, University of California Los Angeles, Los Angeles, CA, USA
| | | | - Antoni Kubicki
- Ahmanson-Lovelace Brain Mapping Center, Department of Neurology, University of California Los Angeles, Los Angeles, CA, USA
| | - Benjamin Wade
- Ahmanson-Lovelace Brain Mapping Center, Department of Neurology, University of California Los Angeles, Los Angeles, CA, USA
| | - Shantanu Joshi
- Ahmanson-Lovelace Brain Mapping Center, Department of Neurology, University of California Los Angeles, Los Angeles, CA, USA
| | - Gerhard Hellemann
- Department of Psychiatry and Biobehavioral Sciences, University of California Los Angeles, Los Angeles, CA, USA
| | - Eliza Congdon
- Department of Psychiatry and Biobehavioral Sciences, University of California Los Angeles, Los Angeles, CA, USA
| | - Roger P Woods
- Ahmanson-Lovelace Brain Mapping Center, Department of Neurology, University of California Los Angeles, Los Angeles, CA, USA; Department of Psychiatry and Biobehavioral Sciences, University of California Los Angeles, Los Angeles, CA, USA
| | - Randall Espinoza
- Department of Psychiatry and Biobehavioral Sciences, University of California Los Angeles, Los Angeles, CA, USA
| | - Katherine L Narr
- Ahmanson-Lovelace Brain Mapping Center, Department of Neurology, University of California Los Angeles, Los Angeles, CA, USA; Department of Psychiatry and Biobehavioral Sciences, University of California Los Angeles, Los Angeles, CA, USA
| |
Collapse
|
36
|
Kilteni K, Engeler P, Boberg I, Maurex L, Ehrsson HH. No evidence for somatosensory attenuation during action observation of self-touch. Eur J Neurosci 2021; 54:6422-6444. [PMID: 34463971 DOI: 10.1111/ejn.15436] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2020] [Revised: 08/12/2021] [Accepted: 08/13/2021] [Indexed: 11/28/2022]
Abstract
The discovery of mirror neurons in the macaque brain in the 1990s triggered investigations on putative human mirror neurons and their potential functionality. The leading proposed function has been action understanding: Accordingly, we understand the actions of others by 'simulating' them in our own motor system through a direct matching of the visual information to our own motor programmes. Furthermore, it has been proposed that this simulation involves the prediction of the sensory consequences of the observed action, similar to the prediction of the sensory consequences of our executed actions. Here, we tested this proposal by quantifying somatosensory attenuation behaviourally during action observation. Somatosensory attenuation manifests during voluntary action and refers to the perception of self-generated touches as less intense than identical externally generated touches because the self-generated touches are predicted from the motor command. Therefore, we reasoned that if an observer simulates the observed action and, thus, he/she predicts its somatosensory consequences, then he/she should attenuate tactile stimuli simultaneously delivered to his/her corresponding body part. In three separate experiments, we found a systematic attenuation of touches during executed self-touch actions, but we found no evidence for attenuation when such actions were observed. Failure to observe somatosensory attenuation during observation of self-touch is not compatible with the hypothesis that the putative human mirror neuron system automatically predicts the sensory consequences of the observed action. In contrast, our findings emphasize a sharp distinction between the motor representations of self and others.
Collapse
Affiliation(s)
| | - Patrick Engeler
- Department of Neuroscience, Karolinska Institutet, Stockholm, Sweden
| | - Ida Boberg
- Department of Neuroscience, Karolinska Institutet, Stockholm, Sweden
| | - Linnea Maurex
- Department of Neuroscience, Karolinska Institutet, Stockholm, Sweden
| | - H Henrik Ehrsson
- Department of Neuroscience, Karolinska Institutet, Stockholm, Sweden
| |
Collapse
|
37
|
Kim JH, Kim J, Yeon J, Park JY, Chung D, Kim SP. Neural correlates of tactile hardness intensity perception during active grasping. PeerJ 2021; 9:e11760. [PMID: 34414027 PMCID: PMC8340901 DOI: 10.7717/peerj.11760] [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: 03/05/2021] [Accepted: 06/21/2021] [Indexed: 11/20/2022] Open
Abstract
While tactile sensation plays an essential role in interactions with the surroundings, relatively little is known about the neural processes involved in the perception of tactile information. In particular, it remains unclear how different intensities of tactile hardness are represented in the human brain during object manipulation. This study aims to investigate neural responses to various levels of tactile hardness using functional magnetic resonance imaging while people grasp objects to perceive hardness intensity. We used four items with different hardness levels but otherwise identical in shape and texture. A total of Twenty-five healthy volunteers participated in this study. Before scanning, participants performed a behavioral task in which they received a pair of stimuli and they were to report the perceived difference of hardness between them. During scanning, without any visual information, they were randomly given one of the four objects and asked to grasp it. We found significant blood oxygen-level-dependent (BOLD) responses in the posterior insula in the right hemisphere (rpIns) and the right posterior lobe of the cerebellum (rpCerebellum), which parametrically tracked hardness intensity. These responses were supported by BOLD signal changes in the rpCerebellum and rpIns correlating with tactile hardness intensity. Multidimensional scaling analysis showed similar representations of hardness intensity among physical, perceptual, and neural information. Our findings demonstrate the engagement of the rpCerebellum and rpIns in perceiving tactile hardness intensity during active object manipulation.
Collapse
Affiliation(s)
- Ji-Hyun Kim
- Department of Biomedical Engineering, Ulsan National Institute of Science and Technology, Ulsan, Republic of Korea
| | - Junsuk Kim
- Department of Industrial ICT Engineering, Dong Eui University, Busan, Republic of Korea
| | - Jiwon Yeon
- Department of Psychology, Georgia Institute of Technology, Atlanta, Georgia, United States
| | - Jang-Yeon Park
- Department of Biomedical Engineering, Sungkyunkwan University, Suwon, Republic of Korea.,Department of Intelligent Precision Healthcare Convergence, Sungkyunkwan University, Suwon, Republic of Korea
| | - Dongil Chung
- Department of Biomedical Engineering, Ulsan National Institute of Science and Technology, Ulsan, Republic of Korea
| | - Sung-Phil Kim
- Department of Biomedical Engineering, Ulsan National Institute of Science and Technology, Ulsan, Republic of Korea
| |
Collapse
|
38
|
Reznik D, Guttman N, Buaron B, Zion-Golumbic E, Mukamel R. Action-locked Neural Responses in Auditory Cortex to Self-generated Sounds. Cereb Cortex 2021; 31:5560-5569. [PMID: 34185837 DOI: 10.1093/cercor/bhab179] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2021] [Revised: 05/24/2021] [Accepted: 05/25/2021] [Indexed: 11/14/2022] Open
Abstract
Sensory perception is a product of interactions between the internal state of an organism and the physical attributes of a stimulus. It has been shown across the animal kingdom that perception and sensory-evoked physiological responses are modulated depending on whether or not the stimulus is the consequence of voluntary actions. These phenomena are often attributed to motor signals sent to relevant sensory regions that convey information about upcoming sensory consequences. However, the neurophysiological signature of action-locked modulations in sensory cortex, and their relationship with perception, is still unclear. In the current study, we recorded neurophysiological (using Magnetoencephalography) and behavioral responses from 16 healthy subjects performing an auditory detection task of faint tones. Tones were either generated by subjects' voluntary button presses or occurred predictably following a visual cue. By introducing a constant temporal delay between button press/cue and tone delivery, and applying source-level analysis, we decoupled action-locked and auditory-locked activity in auditory cortex. We show action-locked evoked-responses in auditory cortex following sound-triggering actions and preceding sound onset. Such evoked-responses were not found for button-presses that were not coupled with sounds, or sounds delivered following a predictive visual cue. Our results provide evidence for efferent signals in human auditory cortex that are locked to voluntary actions coupled with future auditory consequences.
Collapse
Affiliation(s)
- Daniel Reznik
- Max Planck Institute for Human Cognitive and Brain Sciences, Psychology Department, Leipzig, 04103, Germany
| | - Noa Guttman
- The Gonda Center for Multidisciplinary Brain Research, Bar-Ilan University, Ramat Gan, 5290002, Israel
| | - Batel Buaron
- Sagol School of Neuroscience and School of Psychological Sciences, Tel-Aviv University, 69978, Israel
| | - Elana Zion-Golumbic
- The Gonda Center for Multidisciplinary Brain Research, Bar-Ilan University, Ramat Gan, 5290002, Israel
| | - Roy Mukamel
- Sagol School of Neuroscience and School of Psychological Sciences, Tel-Aviv University, 69978, Israel
| |
Collapse
|
39
|
Spille JL, Grunwald M, Martin S, Mueller SM. Stop touching your face! A systematic review of triggers, characteristics, regulatory functions and neuro-physiology of facial self touch. Neurosci Biobehav Rev 2021; 128:102-116. [PMID: 34126163 DOI: 10.1016/j.neubiorev.2021.05.030] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2020] [Revised: 02/26/2021] [Accepted: 05/24/2021] [Indexed: 11/25/2022]
Abstract
Spontaneous face touching (sFST) is an ubiquitous behavior that occurs in people of all ages and all sexes, up to 800 times a day. Despite their high frequency, they have rarely been considered as an independent phenomenon. Recently, sFST have sparked scientific interest since they contribute to self-infection with pathogens. This raises questions about trigger mechanisms and functions of sFST and whether they can be prevented. This systematic comprehensive review compiles relevant evidence on these issues. Facial self-touches seem to increase in frequency and duration in socially, emotionally as well as cognitively challenging situations. They have been associated with attention focus, working memory processes and emotion regulating functions as well as the development and maintenance of a sense of self and body. The dominance of face touch over other body parts is discussed in light of the proximity of hand-face cortical representations and the peculiarities of facial innervations. The results show that underlying psychological and neuro-physiological mechanisms of sFST are still poorly understood and that various basic questions remain unanswered.
Collapse
Affiliation(s)
- Jente L Spille
- University of Leipzig, Paul-Flechsig-Institute for Brain Research, Haptic Research Lab, 04103 Leipzig, Germany
| | - Martin Grunwald
- University of Leipzig, Paul-Flechsig-Institute for Brain Research, Haptic Research Lab, 04103 Leipzig, Germany
| | - Sven Martin
- University of Leipzig, Paul-Flechsig-Institute for Brain Research, Haptic Research Lab, 04103 Leipzig, Germany
| | - Stephanie M Mueller
- University of Leipzig, Paul-Flechsig-Institute for Brain Research, Haptic Research Lab, 04103 Leipzig, Germany.
| |
Collapse
|
40
|
Simchick G, Scheulin KM, Sun W, Sneed SE, Fagan MM, Cheek SR, West FD, Zhao Q. Detecting functional connectivity disruptions in a translational pediatric traumatic brain injury porcine model using resting-state and task-based fMRI. Sci Rep 2021; 11:12406. [PMID: 34117318 PMCID: PMC8196021 DOI: 10.1038/s41598-021-91853-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2020] [Accepted: 05/26/2021] [Indexed: 12/21/2022] Open
Abstract
Functional magnetic resonance imaging (fMRI) has significant potential to evaluate changes in brain network activity after traumatic brain injury (TBI) and enable early prognosis of potential functional (e.g., motor, cognitive, behavior) deficits. In this study, resting-state and task-based fMRI (rs- and tb-fMRI) were utilized to examine network changes in a pediatric porcine TBI model that has increased predictive potential in the development of novel therapies. rs- and tb-fMRI were performed one day post-TBI in piglets. Activation maps were generated using group independent component analysis (ICA) and sparse dictionary learning (sDL). Activation maps were compared to pig reference functional connectivity atlases and evaluated using Pearson spatial correlation coefficients and mean ratios. Nonparametric permutation analyses were used to determine significantly different activation areas between the TBI and healthy control groups. Significantly lower Pearson values and mean ratios were observed in the visual, executive control, and sensorimotor networks for TBI piglets compared to controls. Significant differences were also observed within several specific individual anatomical structures within each network. In conclusion, both rs- and tb-fMRI demonstrate the ability to detect functional connectivity disruptions in a translational TBI piglet model, and these disruptions can be traced to specific affected anatomical structures.
Collapse
Affiliation(s)
- Gregory Simchick
- Department of Physics and Astronomy, Franklin College of Arts and Sciences, University of Georgia, 500 D.W. Brooks Drive Rm 119, Athens, GA, 30602, USA
- Regenerative Bioscience Center, University of Georgia, 425 River Road Rm 316, Athens, GA, 30602, USA
| | - Kelly M Scheulin
- Regenerative Bioscience Center, University of Georgia, 425 River Road Rm 316, Athens, GA, 30602, USA
- Biomedical and Health Sciences Institute, Neuroscience Program, University of Georgia, Athens, GA, USA
- Department of Animal and Dairy Science, College of Agricultural and Environmental Sciences, University of Georgia, Athens, GA, USA
| | - Wenwu Sun
- Department of Physics and Astronomy, Franklin College of Arts and Sciences, University of Georgia, 500 D.W. Brooks Drive Rm 119, Athens, GA, 30602, USA
- Regenerative Bioscience Center, University of Georgia, 425 River Road Rm 316, Athens, GA, 30602, USA
| | - Sydney E Sneed
- Regenerative Bioscience Center, University of Georgia, 425 River Road Rm 316, Athens, GA, 30602, USA
- Department of Animal and Dairy Science, College of Agricultural and Environmental Sciences, University of Georgia, Athens, GA, USA
| | - Madison M Fagan
- Regenerative Bioscience Center, University of Georgia, 425 River Road Rm 316, Athens, GA, 30602, USA
- Biomedical and Health Sciences Institute, Neuroscience Program, University of Georgia, Athens, GA, USA
- Department of Animal and Dairy Science, College of Agricultural and Environmental Sciences, University of Georgia, Athens, GA, USA
| | - Savannah R Cheek
- Department of Animal and Dairy Science, College of Agricultural and Environmental Sciences, University of Georgia, Athens, GA, USA
| | - Franklin D West
- Regenerative Bioscience Center, University of Georgia, 425 River Road Rm 316, Athens, GA, 30602, USA.
- Biomedical and Health Sciences Institute, Neuroscience Program, University of Georgia, Athens, GA, USA.
- Department of Animal and Dairy Science, College of Agricultural and Environmental Sciences, University of Georgia, Athens, GA, USA.
| | - Qun Zhao
- Department of Physics and Astronomy, Franklin College of Arts and Sciences, University of Georgia, 500 D.W. Brooks Drive Rm 119, Athens, GA, 30602, USA.
- Regenerative Bioscience Center, University of Georgia, 425 River Road Rm 316, Athens, GA, 30602, USA.
| |
Collapse
|
41
|
Predicting pain: differential pain thresholds during self-induced, externally induced, and imagined self-induced pressure pain. Pain 2021; 162:1539-1544. [PMID: 33252451 PMCID: PMC8054540 DOI: 10.1097/j.pain.0000000000002151] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2020] [Accepted: 11/17/2020] [Indexed: 12/23/2022]
Abstract
Supplemental Digital Content is Available in the Text. Imagining pressure pain to be self-induced led to increased pressure pain thresholds. Such sensory attenuation of pain was also seen in actual self-induced pressure. During self-induced pain, a copy of the motor information from the body's own movement may help predict the painful sensation and cause downregulation of pain. This phenomenon, called sensory attenuation, enables the distinction between self-produced stimuli vs stimuli produced by others. Sensory attenuation has been shown to occur also during imagined self-produced movements, but this has not been investigated for painful sensations. In the current study, the pressure pain thresholds of 40 healthy participants aged 18 to 35 years were assessed when pain was induced by the experimenter (other), by themselves (self), or by the experimenter while imagining the pressure to be self-induced (imagery). The pressure pain was induced on the participants left lower thigh (quadriceps femoris) using a handheld algometer. Significant differences were found between all conditions: other and self (P < 0.001), other and imagery (P < 0.001), and self and imagery (P = 0.004). The mean pressure pain threshold for other was 521.49 kPa (SE = 38.48), for self 729.57 kPa (SE = 32.32), and for imagery 618.88 kPa (SE = 26.67). Thus, sensory attenuation did occur both in the self condition and the imagery condition. The results of this study may have clinical relevance for understanding the mechanisms involved in the elevated pain thresholds seen in patients with self-injury behavior and the low pain thresholds seen in patients with chronic pain conditions. Imagery of sensory attenuation might also be used to alleviate the pain experience for patients undergoing procedural pain.
Collapse
|
42
|
Roel Lesur M, Weijs ML, Nguyen TD, Lenggenhager B. Staying in touch with our bodies: Stronger sense of ownership during self- compared to other touch despite temporal mismatches. Cognition 2021; 214:104769. [PMID: 34015545 DOI: 10.1016/j.cognition.2021.104769] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2020] [Revised: 05/06/2021] [Accepted: 05/07/2021] [Indexed: 10/21/2022]
Abstract
Self-touch is considered important for bodily self-consciousness and self-other distinction and has been reported to improve clinical symptoms of disembodiment. To investigate the link between self-touch and disembodiment in healthy participants, we studied the effect of self-touch versus touch produced by another person (other-touch) on experimentally induced disembodiment. In a mixed reality paradigm, across two experiments, participants could see their own body and surroundings with a controllable visual delay and either stroked their own hand with a paintbrush or were stroked with it by the experimenter. Experiment 1 first assessed the sensitivity to temporal multimodal mismatches and delay-induced changes in the sense of body ownership in three conditions, namely self-touch, other-touch and hidden-self-touch (visually occluding the touching hand). In a second block, we compared phenomenological and physiological (threat response) measures of disembodiment between the self-touch and other-touch conditions. Experiment 2 roughly replicated the first block of Experiment 1 but included a condition in which participants performed the self-touch gesture without touching their hand. Such experiment attempted to control for the potential role of efferent signals. Our results show that increasing visual delay generally enhances the feeling of disembodiment, yet the decrease of body ownership is less pronounced during self-touch. For sensitivity to delay between conditions, however, diverging findings are discussed. This study provides evidence for the importance of self-touch in sustaining a healthy sense of body in the context of disembodiment.
Collapse
Affiliation(s)
- Marte Roel Lesur
- Department of Psychology, University of Zurich, Zurich, Switzerland.
| | | | - Thi Dao Nguyen
- Newborn Research, Department of Neonatology, University Hospital Zurich, University of Zurich, Zurich, Switzerland
| | | |
Collapse
|
43
|
Kearney J, Brittain JS. Sensory Attenuation in Sport and Rehabilitation: Perspective from Research in Parkinson's Disease. Brain Sci 2021; 11:580. [PMID: 33946218 PMCID: PMC8145846 DOI: 10.3390/brainsci11050580] [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: 03/20/2021] [Revised: 04/27/2021] [Accepted: 04/29/2021] [Indexed: 11/16/2022] Open
Abstract
People with Parkinson's disease (PD) experience motor symptoms that are affected by sensory information in the environment. Sensory attenuation describes the modulation of sensory input caused by motor intent. This appears to be altered in PD and may index important sensorimotor processes underpinning PD symptoms. We review recent findings investigating sensory attenuation and reconcile seemingly disparate results with an emphasis on task-relevance in the modulation of sensory input. Sensory attenuation paradigms, across different sensory modalities, capture how two identical stimuli can elicit markedly different perceptual experiences depending on our predictions of the event, but also the context in which the event occurs. In particular, it appears as though contextual information may be used to suppress or facilitate a response to a stimulus on the basis of task-relevance. We support this viewpoint by considering the role of the basal ganglia in task-relevant sensory filtering and the use of contextual signals in complex environments to shape action and perception. This perspective highlights the dual effect of basal ganglia dysfunction in PD, whereby a reduced capacity to filter task-relevant signals harms the ability to integrate contextual cues, just when such cues are required to effectively navigate and interact with our environment. Finally, we suggest how this framework might be used to establish principles for effective rehabilitation in the treatment of PD.
Collapse
Affiliation(s)
- Joshua Kearney
- School of Psychology, University of Birmingham, Edgbaston, Birmingham B15 2TT, UK
| | - John-Stuart Brittain
- Centre for Human Brain Health, University of Birmingham, Edgbaston, Birmingham B15 2TT, UK;
| |
Collapse
|
44
|
Arikan BE, Voudouris D, Voudouri-Gertz H, Sommer J, Fiehler K. Reach-relevant somatosensory signals modulate activity in the tactile suppression network. Neuroimage 2021; 236:118000. [PMID: 33864902 DOI: 10.1016/j.neuroimage.2021.118000] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2020] [Revised: 02/26/2021] [Accepted: 03/25/2021] [Indexed: 10/21/2022] Open
Abstract
Somatosensory signals on a moving limb are typically suppressed. This results mainly from a predictive mechanism that generates an efference copy, and attenuates the predicted sensory consequences of that movement. Sensory feedback is, however, important for movement control. Behavioral studies show that the strength of suppression on a moving limb increases during somatosensory reaching, when reach-relevant somatosensory signals from the target limb can be additionally used to plan and guide the movement, leading to increased reliability of sensorimotor predictions. It is still unknown how this suppression is neurally implemented. In this fMRI study, participants reached to a somatosensory (static finger) or an external target (touch-screen) without vision. To probe suppression, participants detected brief vibrotactile stimuli on their moving finger shortly before reach onset. As expected, sensitivity to probes was reduced during reaching compared to baseline (resting), and this suppression was stronger during somatosensory than external reaching. BOLD activation associated with suppression was also modulated by the reach target: relative to baseline, processing of probes during somatosensory reaching led to distinct BOLD deactivations in somatosensory regions (postcentral gyrus, supramarginal gyrus-SMG) whereas probes during external reaching led to deactivations in the cerebellum. In line with the behavioral results, we also found additional deactivations during somatosensory relative to external reaching in the supplementary motor area, a region linked with sensorimotor prediction. Somatosensory reaching was also linked with increased functional connectivity between the left SMG and the right parietal operculum along with the right anterior insula. We show that somatosensory processing on a moving limb is reduced when additional reach-relevant feedback signals from the target limb contribute to the movement, by down-regulating activation in regions associated with predictive and feedback processing.
Collapse
Affiliation(s)
- Belkis Ezgi Arikan
- Experimental Psychology, Justus Liebig University Giessen, Otto-Behaghel Str. 10F, D-35394 Giessen, Germany.
| | - Dimitris Voudouris
- Experimental Psychology, Justus Liebig University Giessen, Otto-Behaghel Str. 10F, D-35394 Giessen, Germany
| | - Hanna Voudouri-Gertz
- Experimental Psychology, Justus Liebig University Giessen, Otto-Behaghel Str. 10F, D-35394 Giessen, Germany
| | - Jens Sommer
- Core Facility Brain Imaging, Faculty of Medicine, Philipps University Marburg, Rudolf-Bultmann-Str. 9, 35039 Marburg, Germany
| | - Katja Fiehler
- Experimental Psychology, Justus Liebig University Giessen, Otto-Behaghel Str. 10F, D-35394 Giessen, Germany; Center for Mind, Brain and Behavior (CMBB), University of Marburg and Justus Liebig University, Giessen, Germany
| |
Collapse
|
45
|
Dynamic temporal modulation of somatosensory processing during reaching. Sci Rep 2021; 11:1928. [PMID: 33479355 PMCID: PMC7820441 DOI: 10.1038/s41598-021-81156-0] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2020] [Accepted: 01/04/2021] [Indexed: 11/20/2022] Open
Abstract
Sensorimotor control of human action integrates feedforward policies that predict future body states with online sensory feedback. These predictions lead to a suppression of the associated feedback signals. Here, we examine whether somatosensory processing throughout a goal-directed movement is constantly suppressed or dynamically tuned so that online feedback processing is enhanced at critical moments of the movement. Participants reached towards their other hand in the absence of visual input and detected a probing tactile stimulus on their moving or static hand. Somatosensory processing on the moving hand was dynamically tuned over the time course of reaching, being hampered in early and late stages of the movement, but, interestingly, recovering around the time of maximal speed. This novel finding of temporal somatosensory tuning was further corroborated in a second experiment, in which larger movement amplitudes shifted the absolute time of maximal speed later in the movement. We further show that the release from suppression on the moving limb was temporally coupled with enhanced somatosensory processing on the target hand. We discuss these results in the context of optimal feedforward control and suggest that somatosensory processing is dynamically tuned during the time course of reaching by enhancing sensory processing at critical moments of the movement.
Collapse
|
46
|
Fritsch A, Lenggenhager B, Bekrater-Bodmann R. Prosthesis embodiment and attenuation of prosthetic touch in upper limb amputees - A proof-of-concept study. Conscious Cogn 2020; 88:103073. [PMID: 33360821 DOI: 10.1016/j.concog.2020.103073] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2020] [Revised: 10/29/2020] [Accepted: 12/14/2020] [Indexed: 12/27/2022]
Abstract
Sensory attenuation of self-touch, that is, the perceptual reduction of self-generated tactile stimuli, is considered a neurocognitive basis for self-other distinction. However, whether this effect can also be found in upper limb amputees using a prosthesis is unknown. Thirteen participants were asked to touch their foot sole with a) their intact hand (self-touch), b) their prosthesis (prosthesis-touch), or c) let it be touched by another person (other-touch). Intensity of touch was assessed with a questionnaire. In addition, prosthesis embodiment was assessed in nine participants. Self-touch as well as prosthesis-touch was characterized by significant perceptual attenuation compared to other-touch, while self- and prosthesis-touch did not differ. The more embodied the prosthesis was, the more similar was its elicited touch perception to actual self-touch. These findings - although preliminary - suggest that perceptually embodied prostheses can be represented as an actual limb by the users' sensorimotor system.
Collapse
Affiliation(s)
- Antonia Fritsch
- Department of Cognitive and Clinical Neuroscience, Central Institute of Mental Health, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
| | | | - Robin Bekrater-Bodmann
- Department of Cognitive and Clinical Neuroscience, Central Institute of Mental Health, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany.
| |
Collapse
|
47
|
Fossataro C, Burin D, Ronga I, Galigani M, Rossi Sebastiano A, Pia L, Garbarini F. Agent-dependent modulation of corticospinal excitability during painful transcutaneous electrical stimulation. Neuroimage 2020; 217:116897. [DOI: 10.1016/j.neuroimage.2020.116897] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2019] [Revised: 03/11/2020] [Accepted: 04/29/2020] [Indexed: 12/28/2022] Open
|
48
|
Buaron B, Reznik D, Gilron R, Mukamel R. Voluntary Actions Modulate Perception and Neural Representation of Action-Consequences in a Hand-Dependent Manner. Cereb Cortex 2020; 30:6097-6107. [PMID: 32607565 DOI: 10.1093/cercor/bhaa156] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2020] [Revised: 05/17/2020] [Accepted: 05/18/2020] [Indexed: 12/13/2022] Open
Abstract
Evoked neural activity in sensory regions and perception of sensory stimuli are modulated when the stimuli are the consequence of voluntary movement, as opposed to an external source. It has been suggested that such modulations are due to motor commands that are sent to relevant sensory regions during voluntary movement. However, given the anatomical-functional laterality bias of the motor system, it is plausible that the pattern of such behavioral and neural modulations will also exhibit a similar bias, depending on the effector triggering the stimulus (e.g., right/left hand). Here, we examined this issue in the visual domain using behavioral and neural measures (fMRI). Healthy participants judged the relative brightness of identical visual stimuli that were either self-triggered (using right/left hand button presses), or triggered by the computer. Stimuli were presented either in the right or left visual field. Despite identical physical properties of the visual consequences, we found stronger perceptual modulations when the triggering hand was ipsi- (rather than contra-) lateral to the stimulated visual field. Additionally, fMRI responses in visual cortices differentiated between stimuli triggered by right/left hand. Our findings support a model in which voluntary actions induce sensory modulations that follow the anatomical-functional bias of the motor system.
Collapse
Affiliation(s)
- Batel Buaron
- Sagol School of Neuroscience, School of Psychological Sciences, Tel-Aviv University, Tel Aviv 69978, Israel
| | - Daniel Reznik
- Department of Psychology, Center for Brain Science, Harvard University, Cambridge, MA 02138, USA
| | - Ro'ee Gilron
- Department of Neurological Surgery, UCSF School of Medicine, UCSF, San Francisco, CA 94115, USA
| | - Roy Mukamel
- Sagol School of Neuroscience, School of Psychological Sciences, Tel-Aviv University, Tel Aviv 69978, Israel
| |
Collapse
|
49
|
D'Mello AM, Rozenkrantz L. Neural Mechanisms for Prediction: From Action to Higher-Order Cognition. J Neurosci 2020; 40:5158-5160. [PMID: 32611592 PMCID: PMC7329307 DOI: 10.1523/jneurosci.0732-20.2020] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2020] [Revised: 05/12/2020] [Accepted: 05/23/2020] [Indexed: 11/21/2022] Open
Affiliation(s)
- Anila M D'Mello
- McGovern Institute for Brain Research, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139
| | - Liron Rozenkrantz
- McGovern Institute for Brain Research, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139
| |
Collapse
|
50
|
Dynamic representations in networked neural systems. Nat Neurosci 2020; 23:908-917. [PMID: 32541963 DOI: 10.1038/s41593-020-0653-3] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2019] [Accepted: 05/12/2020] [Indexed: 11/08/2022]
Abstract
A group of neurons can generate patterns of activity that represent information about stimuli; subsequently, the group can transform and transmit activity patterns across synapses to spatially distributed areas. Recent studies in neuroscience have begun to independently address the two components of information processing: the representation of stimuli in neural activity and the transmission of information in networks that model neural interactions. Yet only recently are studies seeking to link these two types of approaches. Here we briefly review the two separate bodies of literature; we then review the recent strides made to address this gap. We continue with a discussion of how patterns of activity evolve from one representation to another, forming dynamic representations that unfold on the underlying network. Our goal is to offer a holistic framework for understanding and describing neural information representation and transmission while revealing exciting frontiers for future research.
Collapse
|