1
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Monaco S, Menghi N, Crawford JD. Action-specific feature processing in the human cortex: An fMRI study. Neuropsychologia 2024; 194:108773. [PMID: 38142960 DOI: 10.1016/j.neuropsychologia.2023.108773] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2023] [Revised: 11/29/2023] [Accepted: 12/18/2023] [Indexed: 12/26/2023]
Abstract
Sensorimotor integration involves feedforward and reentrant processing of sensory input. Grasp-related motor activity precedes and is thought to influence visual object processing. Yet, while the importance of reentrant feedback is well established in perception, the top-down modulations for action and the neural circuits involved in this process have received less attention. Do action-specific intentions influence the processing of visual information in the human cortex? Using a cue-separation fMRI paradigm, we found that action-specific instruction processing (manual alignment vs. grasp) became apparent only after the visual presentation of oriented stimuli, and occurred as early as in the primary visual cortex and extended to the dorsal visual stream, motor and premotor areas. Further, dorsal stream area aIPS, known to be involved in object manipulation, and the primary visual cortex showed task-related functional connectivity with frontal, parietal and temporal areas, consistent with the idea that reentrant feedback from dorsal and ventral visual stream areas modifies visual inputs to prepare for action. Importantly, both the task-dependent modulations and connections were linked specifically to the object presentation phase of the task, suggesting a role in processing the action goal. Our results show that intended manual actions have an early, pervasive, and differential influence on the cortical processing of vision.
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Affiliation(s)
- Simona Monaco
- CIMeC - Center for Mind/Brain Sciences, University of Trento, Rovereto (TN), Italy.
| | - Nicholas Menghi
- Max Planck Institute for Human Cognitive and Brain Sciences, Leipzig, Germany
| | - J Douglas Crawford
- Center for Vision Research, York University, Toronto, Ontario M3J 1P3, Canada; Vision: Science to Applications (VISTA) Program, Neuroscience Graduate Diploma Program and Departments of Psychology, Biology, and Kinesiology and Health Science, York University, Toronto, Ontario M3J 1P3, Canada
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2
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Goldenkoff ER, Deluisi JA, Destiny DP, Lee TG, Michon KJ, Brissenden JA, Taylor SF, Polk TA, Vesia M. The behavioral and neural effects of parietal theta burst stimulation on the grasp network are stronger during a grasping task than at rest. Front Neurosci 2023; 17:1198222. [PMID: 37954875 PMCID: PMC10637360 DOI: 10.3389/fnins.2023.1198222] [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: 03/31/2023] [Accepted: 10/05/2023] [Indexed: 11/14/2023] Open
Abstract
Repetitive transcranial magnetic stimulation (TMS) is widely used in neuroscience and clinical settings to modulate human cortical activity. The effects of TMS on neural activity depend on the excitability of specific neural populations at the time of stimulation. Accordingly, the brain state at the time of stimulation may influence the persistent effects of repetitive TMS on distal brain activity and associated behaviors. We applied intermittent theta burst stimulation (iTBS) to a region in the posterior parietal cortex (PPC) associated with grasp control to evaluate the interaction between stimulation and brain state. Across two experiments, we demonstrate the immediate responses of motor cortex activity and motor performance to state-dependent parietal stimulation. We randomly assigned 72 healthy adult participants to one of three TMS intervention groups, followed by electrophysiological measures with TMS and behavioral measures. Participants in the first group received iTBS to PPC while performing a grasping task concurrently. Participants in the second group received iTBS to PPC while in a task-free, resting state. A third group of participants received iTBS to a parietal region outside the cortical grasping network while performing a grasping task concurrently. We compared changes in motor cortical excitability and motor performance in the three stimulation groups within an hour of each intervention. We found that parietal stimulation during a behavioral manipulation that activates the cortical grasping network increased downstream motor cortical excitability and improved motor performance relative to stimulation during rest. We conclude that constraining the brain state with a behavioral task during brain stimulation has the potential to optimize plasticity induction in cortical circuit mechanisms that mediate movement processes.
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Affiliation(s)
| | - Joseph A. Deluisi
- School of Kinesiology, University of Michigan, Ann Arbor, MI, United States
| | - Danielle P. Destiny
- Department of Psychology, University of Michigan, Ann Arbor, MI, United States
| | - Taraz G. Lee
- Department of Psychology, University of Michigan, Ann Arbor, MI, United States
| | - Katherine J. Michon
- Department of Psychology, University of Michigan, Ann Arbor, MI, United States
| | - James A. Brissenden
- Department of Psychology, University of Michigan, Ann Arbor, MI, United States
| | - Stephan F. Taylor
- Department of Psychiatry, University of Michigan, Ann Arbor, MI, United States
| | - Thad A. Polk
- Department of Psychology, University of Michigan, Ann Arbor, MI, United States
| | - Michael Vesia
- School of Kinesiology, University of Michigan, Ann Arbor, MI, United States
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3
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Souza-Couto D, Bretas R, Aversi-Ferreira TA. Neuropsychology of the parietal lobe: Luria's and contemporary conceptions. Front Neurosci 2023; 17:1226226. [PMID: 37928730 PMCID: PMC10623013 DOI: 10.3389/fnins.2023.1226226] [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: 05/20/2023] [Accepted: 10/02/2023] [Indexed: 11/07/2023] Open
Abstract
The parietal lobe, constituting approximately 20% of the human brain, comprises two main regions: the somatosensory cortex and the posterior parietal cortex. The former is responsible for receiving and processing information from the organism itself or its external environment, while the latter performs concurrent summaries and higher cognitive functions. The present study seeks to integrate modern research findings with Luria's previous discoveries in order to gain a nuanced understanding of the roles assigned to the parietal lobe as well as its lateralization differences.
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Affiliation(s)
- Dyecika Souza-Couto
- Laboratory of Biomathematics and Physical Anthropology, Federal University of Alfenas, Alfenas, Brazil
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4
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Prabhu NG, Himmelbach M. Activity in the human superior colliculus associated with reaching for tactile targets. Neuroimage 2023; 280:120322. [PMID: 37586443 DOI: 10.1016/j.neuroimage.2023.120322] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2023] [Revised: 08/09/2023] [Accepted: 08/10/2023] [Indexed: 08/18/2023] Open
Abstract
The superior colliculus (SC) plays a major role in orienting movements of eyes and the head and in the allocation of attention. Functions of the SC have been mostly investigated in animal models, including non-human primates. Differences in the SC's anatomy and function between different species question extrapolations of these studies to humans without further validation. Few electrophysiological and neuroimaging studies in animal models and humans have reported a role of the SC in visually guided reaching movements. Using BOLD fMRI imaging, we sought to decipher if the SC is also active during reaching movements guided by tactile stimulation. Participants executed reaching movements to visual and tactile target positions. When contrasted against visual and tactile stimulation without reaching, we found increased SC activity with reaching not only for visual but also for tactile targets. We conclude that the SC's involvement in reaching does not rely on visual inputs. It is also independent from a specific sensory modality. Our results indicate a general involvement of the human SC in upper limb reaching movements.
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Affiliation(s)
- Nikhil G Prabhu
- Division of Neuropsychology, Center of Neurology, Hertie-Institute for Clinical Brain Research, University of Tübingen, Tübingen, Germany; Graduate Training Centre of Neuroscience, University of Tuebingen, Tuebingen, Germany; International Max Planck Research School in Cognitive and Systems Neuroscience, University of Tuebingen, Tuebingen, Germany
| | - Marc Himmelbach
- Division of Neuropsychology, Center of Neurology, Hertie-Institute for Clinical Brain Research, University of Tübingen, Tübingen, Germany; Graduate Training Centre of Neuroscience, University of Tuebingen, Tuebingen, Germany.
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5
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Schach S, Braun DA, Lindner A. Cross-hemispheric recruitment during action planning with increasing task demand. Sci Rep 2023; 13:15375. [PMID: 37717041 PMCID: PMC10505196 DOI: 10.1038/s41598-023-41926-4] [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: 04/17/2023] [Accepted: 09/04/2023] [Indexed: 09/18/2023] Open
Abstract
The recruitment of cross-hemispheric counterparts of lateralized prefrontal brain regions with increasing processing demand is thought to increase memory performance despite cognitive aging, but was recently reported to be present also in young adults working at their capacity limit. Here we ask if cross-hemispheric recruitment is a general strategy of the adult brain in that executive task demand would modulate bilateral activation beyond prefrontal cortex and across cognitive tasks. We analyzed data sets from two fMRI experiments investigating retrospective working memory maintenance and prospective action planning. We confirmed a cross-hemispheric recruitment of prefrontal cortex across tasks and experiments. Changes in lateralization due to planning further surfaced in the cerebellum, dorsal premotor and posterior parietal cortex. Parietal cortex thereby exhibited cross-hemispheric recruitment also during spatial but not verbal working memory maintenance. Our results confirm a domain-general role of prefrontal cortex in cross-hemispheric recruitment. They further suggest that other task-specific brain regions also recruit their idling cross-hemispheric counterparts to relocate executive processing power.
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Affiliation(s)
- Sonja Schach
- Institute of Neural Information Processing, University of Ulm, Ulm, Germany.
| | | | - Axel Lindner
- Tübingen Center for Mental Health, Department of Psychiatry and Psychotherapy, University of Tübingen, Tübingen, Germany.
- Centre of Neurology, Division of Neuropsychology, Hertie-Institute for Clinical Brain Research, University of Tübingen, Tübingen, Germany.
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6
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Klautke J, Foster C, Medendorp WP, Heed T. Dynamic spatial coding in parietal cortex mediates tactile-motor transformation. Nat Commun 2023; 14:4532. [PMID: 37500625 PMCID: PMC10374589 DOI: 10.1038/s41467-023-39959-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2022] [Accepted: 07/05/2023] [Indexed: 07/29/2023] Open
Abstract
Movements towards touch on the body require integrating tactile location and body posture information. Tactile processing and movement planning both rely on posterior parietal cortex (PPC) but their interplay is not understood. Here, human participants received tactile stimuli on their crossed and uncrossed feet, dissociating stimulus location relative to anatomy versus external space. Participants pointed to the touch or the equivalent location on the other foot, which dissociates sensory and motor locations. Multi-voxel pattern analysis of concurrently recorded fMRI signals revealed that tactile location was coded anatomically in anterior PPC but spatially in posterior PPC during sensory processing. After movement instructions were specified, PPC exclusively represented the movement goal in space, in regions associated with visuo-motor planning and with regional overlap for sensory, rule-related, and movement coding. Thus, PPC flexibly updates its spatial codes to accommodate rule-based transformation of sensory input to generate movement to environment and own body alike.
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Affiliation(s)
- Janina Klautke
- Biological Psychology and Neuropsychology, University of Hamburg, Hamburg, Germany
| | - Celia Foster
- Biopsychology & Cognitive Neuroscience, Bielefeld University, Bielefeld, Germany
- Center of Excellence in Cognitive Interaction Technology (CITEC), Bielefeld University, Bielefeld, Germany
| | - W Pieter Medendorp
- Radboud University, Donders Institute for Brain, Cognition and Behaviour, Nijmegen, The Netherlands
| | - Tobias Heed
- Biopsychology & Cognitive Neuroscience, Bielefeld University, Bielefeld, Germany.
- Center of Excellence in Cognitive Interaction Technology (CITEC), Bielefeld University, Bielefeld, Germany.
- Cognitive Psychology, Department of Psychology, University of Salzburg, Salzburg, Austria.
- Centre for Cognitive Neuroscience, University of Salzburg, Salzburg, Austria.
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7
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Bencivenga F, Tullo MG, Maltempo T, von Gal A, Serra C, Pitzalis S, Galati G. Effector-selective modulation of the effective connectivity within frontoparietal circuits during visuomotor tasks. Cereb Cortex 2023; 33:2517-2538. [PMID: 35709758 PMCID: PMC10016057 DOI: 10.1093/cercor/bhac223] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2021] [Revised: 05/05/2022] [Accepted: 05/06/2022] [Indexed: 11/13/2022] Open
Abstract
Despite extensive research, the functional architecture of the subregions of the dorsal posterior parietal cortex (PPC) involved in sensorimotor processing is far from clear. Here, we draw a thorough picture of the large-scale functional organization of the PPC to disentangle the fronto-parietal networks mediating visuomotor functions. To this aim, we reanalyzed available human functional magnetic resonance imaging data collected during the execution of saccades, hand, and foot pointing, and we combined individual surface-based activation, resting-state functional connectivity, and effective connectivity analyses. We described a functional distinction between a more lateral region in the posterior intraparietal sulcus (lpIPS), preferring saccades over pointing and coupled with the frontal eye fields (FEF) at rest, and a more medial portion (mpIPS) intrinsically correlated to the dorsal premotor cortex (PMd). Dynamic causal modeling revealed feedforward-feedback loops linking lpIPS with FEF during saccades and mpIPS with PMd during pointing, with substantial differences between hand and foot. Despite an intrinsic specialization of the action-specific fronto-parietal networks, our study reveals that their functioning is finely regulated according to the effector to be used, being the dynamic interactions within those networks differently modulated when carrying out a similar movement (i.e. pointing) but with distinct effectors (i.e. hand and foot).
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Affiliation(s)
- Federica Bencivenga
- Corresponding author: Department of Psychology, “Sapienza” University of Rome, Via dei Marsi 78, 00185 Rome, Italy.
| | | | - Teresa Maltempo
- Cognitive and Motor Rehabilitation and Neuroimaging Unit, Santa Lucia Foundation (IRCCS Fondazione Santa Lucia), Via Ardeatina 306/354, 00179 Roma, Italy
- Department of Movement, Human and Health Sciences, University of Rome “Foro Italico”, Piazza Lauro De Bosis 15, 00135 Roma, Italy
| | - Alessandro von Gal
- Brain Imaging Laboratory, Department of Psychology, Sapienza University, Via dei Marsi 78, 00185 Roma, Italy
- PhD program in Behavioral Neuroscience, Sapienza University of Rome, Via dei Marsi 78, 00185 Roma, Italy
| | - Chiara Serra
- Department of Movement, Human and Health Sciences, University of Rome “Foro Italico”, Piazza Lauro De Bosis 15, 00135 Roma, Italy
| | - Sabrina Pitzalis
- Cognitive and Motor Rehabilitation and Neuroimaging Unit, Santa Lucia Foundation (IRCCS Fondazione Santa Lucia), Via Ardeatina 306/354, 00179 Roma, Italy
- Department of Movement, Human and Health Sciences, University of Rome “Foro Italico”, Piazza Lauro De Bosis 15, 00135 Roma, Italy
| | - Gaspare Galati
- Brain Imaging Laboratory, Department of Psychology, Sapienza University, Via dei Marsi 78, 00185 Roma, Italy
- Cognitive and Motor Rehabilitation and Neuroimaging Unit, Santa Lucia Foundation (IRCCS Fondazione Santa Lucia), Via Ardeatina 306/354, 00179 Roma, Italy
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8
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Van Malderen S, Hehl M, Verstraelen S, Swinnen SP, Cuypers K. Dual-site TMS as a tool to probe effective interactions within the motor network: a review. Rev Neurosci 2023; 34:129-221. [PMID: 36065080 DOI: 10.1515/revneuro-2022-0020] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2022] [Accepted: 07/02/2022] [Indexed: 02/07/2023]
Abstract
Dual-site transcranial magnetic stimulation (ds-TMS) is well suited to investigate the causal effect of distant brain regions on the primary motor cortex, both at rest and during motor performance and learning. However, given the broad set of stimulation parameters, clarity about which parameters are most effective for identifying particular interactions is lacking. Here, evidence describing inter- and intra-hemispheric interactions during rest and in the context of motor tasks is reviewed. Our aims are threefold: (1) provide a detailed overview of ds-TMS literature regarding inter- and intra-hemispheric connectivity; (2) describe the applicability and contributions of these interactions to motor control, and; (3) discuss the practical implications and future directions. Of the 3659 studies screened, 109 were included and discussed. Overall, there is remarkable variability in the experimental context for assessing ds-TMS interactions, as well as in the use and reporting of stimulation parameters, hindering a quantitative comparison of results across studies. Further studies examining ds-TMS interactions in a systematic manner, and in which all critical parameters are carefully reported, are needed.
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Affiliation(s)
- Shanti Van Malderen
- Department of Movement Sciences, Movement Control & Neuroplasticity Research Group, Group Biomedical Sciences, KU Leuven, Heverlee 3001, Belgium.,Neuroplasticity and Movement Control Research Group, Rehabilitation Research Institute (REVAL), Hasselt University, Diepenbeek 3590, Belgium
| | - Melina Hehl
- Department of Movement Sciences, Movement Control & Neuroplasticity Research Group, Group Biomedical Sciences, KU Leuven, Heverlee 3001, Belgium.,Neuroplasticity and Movement Control Research Group, Rehabilitation Research Institute (REVAL), Hasselt University, Diepenbeek 3590, Belgium
| | - Stefanie Verstraelen
- Neuroplasticity and Movement Control Research Group, Rehabilitation Research Institute (REVAL), Hasselt University, Diepenbeek 3590, Belgium
| | - Stephan P Swinnen
- Department of Movement Sciences, Movement Control & Neuroplasticity Research Group, Group Biomedical Sciences, KU Leuven, Heverlee 3001, Belgium.,KU Leuven, Leuven Brain Institute (LBI), Leuven, Belgium
| | - Koen Cuypers
- Department of Movement Sciences, Movement Control & Neuroplasticity Research Group, Group Biomedical Sciences, KU Leuven, Heverlee 3001, Belgium.,Neuroplasticity and Movement Control Research Group, Rehabilitation Research Institute (REVAL), Hasselt University, Diepenbeek 3590, Belgium
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9
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Ghaderi A, Niemeier M, Crawford JD. Saccades and presaccadic stimulus repetition alter cortical network topology and dynamics: evidence from EEG and graph theoretical analysis. Cereb Cortex 2023; 33:2075-2100. [PMID: 35639544 DOI: 10.1093/cercor/bhac194] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2021] [Revised: 04/27/2022] [Accepted: 04/29/2022] [Indexed: 11/13/2022] Open
Abstract
Parietal and frontal cortex are involved in saccade generation, and their output signals modify visual signals throughout cortex. Local signals associated with these interactions are well described, but their large-scale progression and network dynamics are unknown. Here, we combined source localized electroencephalography (EEG) and graph theory analysis (GTA) to understand how saccades and presaccadic visual stimuli interactively alter cortical network dynamics in humans. Twenty-one participants viewed 1-3 vertical/horizontal grids, followed by grid with the opposite orientation just before a horizontal saccade or continued fixation. EEG signals from the presaccadic interval (or equivalent fixation period) were used for analysis. Source localization-through-time revealed a rapid frontoparietal progression of presaccadic motor signals and stimulus-motor interactions, with additional band-specific modulations in several frontoparietal regions. GTA analysis revealed a saccade-specific functional network with major hubs in inferior parietal cortex (alpha) and the frontal eye fields (beta), and major saccade-repetition interactions in left prefrontal (theta) and supramarginal gyrus (gamma). This network showed enhanced segregation, integration, synchronization, and complexity (compared with fixation), whereas stimulus repetition interactions reduced synchronization and complexity. These cortical results demonstrate a widespread influence of saccades on both regional and network dynamics, likely responsible for both the motor and perceptual aspects of saccades.
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Affiliation(s)
- Amirhossein Ghaderi
- Centre for Vision Research, York University, 4700 Keele St, Toronto, ON M3J 1P3, Canada.,Vision Science to Applications (VISTA) Program York University, 4700 Keele St, Toronto, ON M3J 1P3, Canada
| | - Matthias Niemeier
- Centre for Vision Research, York University, 4700 Keele St, Toronto, ON M3J 1P3, Canada.,Vision Science to Applications (VISTA) Program York University, 4700 Keele St, Toronto, ON M3J 1P3, Canada.,Department of Psychology, University of Toronto Scarborough, 1265 Military Trail, Scarborough, ON M1C 1A4, Canada
| | - John Douglas Crawford
- Centre for Vision Research, York University, 4700 Keele St, Toronto, ON M3J 1P3, Canada.,Vision Science to Applications (VISTA) Program York University, 4700 Keele St, Toronto, ON M3J 1P3, Canada.,Department of Biology, York University, 4700 Keele St,, Toronto, ON M3J 1P3, Canada.,Department of Psychology, York University, 4700 Keele St,, Toronto, ON M3J 1P3, Canada.,Department of Kinesiology and Health Sciences, York University, 4700 Keele St., Toronto, ON M3J 1P3, Canada
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10
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Singh T, Rizzo JR, Bonnet C, Semrau JA, Herter TM. Enhanced cognitive interference during visuomotor tasks may cause eye-hand dyscoordination. Exp Brain Res 2023; 241:547-558. [PMID: 36625969 PMCID: PMC10416313 DOI: 10.1007/s00221-023-06550-8] [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: 09/26/2022] [Accepted: 01/05/2023] [Indexed: 01/11/2023]
Abstract
In complex visuomotor tasks, such as cooking, people make many saccades to continuously search for items before and during reaching movements. These tasks require cognitive resources, such as short-term memory and task-switching. Cognitive load may impact limb motor performance by increasing demands on mental processes, but mechanisms remain unclear. The Trail-Making Tests, in which participants sequentially search for and make reaching movements to 25 targets, consist of a simple numeric variant (Trails-A) and a cognitively challenging variant that requires alphanumeric switching (Trails-B). We have previously shown that stroke survivors and age-matched controls make many more saccades in Trails-B, and those increases in saccades are associated with decreases in speed and smoothness of reaching movements. However, it remains unclear how patients with neurological injuries, e.g., stroke, manage progressive increases in cognitive load during visuomotor tasks, such as the Trail-Making Tests. As Trails-B trial progresses, switching between numbers and letters leads to progressive increases in cognitive load. Here, we show that stroke survivors with damage to frontoparietal areas and age-matched controls made more saccades and had longer fixations as they progressed through the 25 alphanumeric targets in Trails-B. Furthermore, when stroke survivors made saccades during reaching movements in Trails-B, their movement speed slowed down significantly. Thus, damage to frontoparietal areas serving cognitive motor functions may cause interference between oculomotor, visual, and limb motor functions, which could lead to significant disruptions in activities of daily living. These findings augment our understanding of the mechanisms that underpin cognitive-motor interference during complex visuomotor tasks.
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Affiliation(s)
- Tarkeshwar Singh
- Department of Kinesiology, The Pennsylvania State University, 32 Rec Building, University Park, PA, 16802, USA.
| | - John-Ross Rizzo
- Department of Rehabilitation Medicine and Neurology, New York University Langone Medical Center, New York, NY, USA
| | - Cédrick Bonnet
- Univ. Lille, CNRS, UMR 9193-SCALab-Sciences Cognitives et Sciences Affectives, Lille, France
| | - Jennifer A Semrau
- Department of Kinesiology and Applied Physiology, University of Delaware, Newark, DE-19716, USA
| | - Troy M Herter
- Department of Kinesiology, University of South Carolina, Columbia, SC, 29208, USA
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11
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Identification of cerebral cortices processing acceleration, velocity, and position during directional reaching movement with deep neural network and explainable AI. Neuroimage 2023; 266:119783. [PMID: 36528312 DOI: 10.1016/j.neuroimage.2022.119783] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2022] [Revised: 09/22/2022] [Accepted: 11/30/2022] [Indexed: 12/23/2022] Open
Abstract
Cerebral cortical representation of motor kinematics is crucial for understanding human motor behavior, potentially extending to efficient control of the brain-computer interface. Numerous single-neuron studies have found the existence of a relationship between neuronal activity and motor kinematics such as acceleration, velocity, and position. Despite differences between kinematic characteristics, it is hard to distinguish neural representations of these kinematic characteristics with macroscopic functional images such as electroencephalography (EEG) and magnetoencephalography (MEG). The reason might be because cortical signals are not sensitive enough to segregate kinematic characteristics due to their limited spatial and temporal resolution. Considering different roles of each cortical area in producing movement, there might be a specific cortical representation depending on characteristics of acceleration, velocity, and position. Recently, neural network modeling has been actively pursued in the field of decoding. We hypothesized that neural features of each kinematic parameter could be identified with a high-performing model for decoding with an explainable AI method. Time-series deep neural network (DNN) models were used to measure the relationship between cortical activity and motor kinematics during reaching movement. With DNN models, kinematic parameters of reaching movement in a 3D space were decoded based on cortical source activity obtained from MEG data. An explainable artificial intelligence (AI) method was then adopted to extract the map of cortical areas, which strongly contributed to decoding each kinematics from DNN models. We found that there existed differed as well as shared cortical areas for decoding each kinematic attribute. Shared areas included bilateral supramarginal gyri and superior parietal lobules known to be related to the goal of movement and sensory integration. On the other hand, dominant areas for each kinematic parameter (the contralateral motor cortex for acceleration, the contralateral parieto-frontal network for velocity, and bilateral visuomotor areas for position) were mutually exclusive. Regarding the visuomotor reaching movement, the motor cortex was found to control the muscle force, the parieto-frontal network encoded reaching movement from sensory information, and visuomotor areas computed limb and gaze coordination in the action space. To the best of our knowledge, this is the first study to discriminate kinematic cortical areas using DNN models and explainable AI.
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12
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Causal involvement of the left angular gyrus in higher functions as revealed by transcranial magnetic stimulation: a systematic review. Brain Struct Funct 2023; 228:169-196. [PMID: 36260126 DOI: 10.1007/s00429-022-02576-w] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2022] [Accepted: 09/21/2022] [Indexed: 01/07/2023]
Abstract
Transcranial magnetic stimulation (TMS) is a non-invasive technique that can transiently interfere with local cortical functioning, thus enabling inferences of causal left AG involvement in higher functions from experimentation with healthy participants. Here, we examine 35 studies that measure behavioural outcomes soon after or during targeting TMS to the left AG, by design and as documented by individual magnetic resonance images, in healthy adult participants. The reviewed evidence suggests a specific causal involvement of the left AG in a wide range of tasks involving language, memory, number processing, visuospatial attention, body awareness and motor planning functions. These core findings are particularly valuable to inform theoretical models of the left AG role(s) in higher functions, due to the anatomical specificity afforded by the selected studies and the complementarity of TMS to different methods of investigation. In particular, the variety of the operations within and between functions in which the left AG appears to be causally involved poses a formidable challenge to any attempts to identify a single computational process subserved by the left AG (as opposed to just outlining a broad type of functional contribution) that could apply across thematic areas. We conclude by highlighting directions for improvement in future experimentation with TMS, in order to strengthen the available evidence, while taking into account the anatomical heterogeneity of this brain region.
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13
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Blohm G, Cheyne DO, Crawford JD. Parietofrontal oscillations show hand-specific interactions with top-down movement plans. J Neurophysiol 2022; 128:1518-1533. [PMID: 36321728 DOI: 10.1152/jn.00240.2022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
Abstract
To generate a hand-specific reach plan, the brain must integrate hand-specific signals with the desired movement strategy. Although various neurophysiology/imaging studies have investigated hand-target interactions in simple reach-to-target tasks, the whole brain timing and distribution of this process remain unclear, especially for more complex, instruction-dependent motor strategies. Previously, we showed that a pro/anti pointing instruction influences magnetoencephalographic (MEG) signals in frontal cortex that then propagate recurrently through parietal cortex (Blohm G, Alikhanian H, Gaetz W, Goltz HC, DeSouza JF, Cheyne DO, Crawford JD. NeuroImage 197: 306-319, 2019). Here, we contrasted left versus right hand pointing in the same task to investigate 1) which cortical regions of interest show hand specificity and 2) which of those areas interact with the instructed motor plan. Eight bilateral areas, the parietooccipital junction (POJ), superior parietooccipital cortex (SPOC), supramarginal gyrus (SMG), medial/anterior interparietal sulcus (mIPS/aIPS), primary somatosensory/motor cortex (S1/M1), and dorsal premotor cortex (PMd), showed hand-specific changes in beta band power, with four of these (M1, S1, SMG, aIPS) showing robust activation before movement onset. M1, SMG, SPOC, and aIPS showed significant interactions between contralateral hand specificity and the instructed motor plan but not with bottom-up target signals. Separate hand/motor signals emerged relatively early and lasted through execution, whereas hand-motor interactions only occurred close to movement onset. Taken together with our previous results, these findings show that instruction-dependent motor plans emerge in frontal cortex and interact recurrently with hand-specific parietofrontal signals before movement onset to produce hand-specific motor behaviors.NEW & NOTEWORTHY The brain must generate different motor signals depending on which hand is used. The distribution and timing of hand use/instructed motor plan integration are not understood at the whole brain level. Using MEG we show that different action planning subnetworks code for hand usage and integrating hand use into a hand-specific motor plan. The timing indicates that frontal cortex first creates a general motor plan and then integrates hand specificity to produce a hand-specific motor plan.
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Affiliation(s)
- Gunnar Blohm
- Centre of Neuroscience Studies, Departments of Biomedical & Molecular Sciences, Mathematics & Statistics, and Psychology and School of Computing, Queen's University, Kingston, Ontario, Canada.,Centre for Vision Research, York University, Toronto, Ontario, Canada.,Canadian Action and Perception Network (CAPnet), Montreal, Quebec, Canada.,Vision: Science to Applications (VISTA) program, Departments of Psychology, Biology, and Kinesiology and Health Sciences and Neuroscience Graduate Diploma Program, York University, Toronto, Ontario, Canada
| | - Douglas O Cheyne
- Program in Neurosciences and Mental Health, The Hospital for Sick Children Research Institute, Toronto, Ontario, Canada
| | - J Douglas Crawford
- Centre for Vision Research, York University, Toronto, Ontario, Canada.,Canadian Action and Perception Network (CAPnet), Montreal, Quebec, Canada.,Vision: Science to Applications (VISTA) program, Departments of Psychology, Biology, and Kinesiology and Health Sciences and Neuroscience Graduate Diploma Program, York University, Toronto, Ontario, Canada
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14
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Hand choice is unaffected by high frequency continuous theta burst transcranial magnetic stimulation to the posterior parietal cortex. PLoS One 2022; 17:e0275262. [PMID: 36227882 PMCID: PMC9560494 DOI: 10.1371/journal.pone.0275262] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2022] [Accepted: 09/13/2022] [Indexed: 11/21/2022] Open
Abstract
The current study used a high frequency TMS protocol known as continuous theta burst stimulation (cTBS) to test a model of hand choice that relies on competing interactions between the hemispheres of the posterior parietal cortex. Based on the assumption that cTBS reduces cortical excitability, the model predicts a significant decrease in the likelihood of selecting the hand contralateral to stimulation. An established behavioural paradigm was used to estimate hand choice in each individual, and these measures were compared across three stimulation conditions: cTBS to the left posterior parietal cortex, cTBS to the right posterior parietal cortex, or sham cTBS. Our results provide no supporting evidence for the interhemispheric competition model. We find no effects of cTBS on hand choice, independent of whether the left or right posterior parietal cortex was stimulated. Our results are nonetheless of value as a point of comparison against prior brain stimulation findings that, in contrast, provide evidence for a causal role for the posterior parietal cortex in hand choice.
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15
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Velji-Ibrahim J, Crawford JD, Cattaneo L, Monaco S. Action planning modulates the representation of object features in human fronto-parietal and occipital cortex. Eur J Neurosci 2022; 56:4803-4818. [PMID: 35841138 PMCID: PMC9545676 DOI: 10.1111/ejn.15776] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2021] [Revised: 05/19/2022] [Accepted: 06/09/2022] [Indexed: 11/27/2022]
Abstract
The visual cortex has been extensively studied to investigate its role in object recognition but to a lesser degree to determine how action planning influences the representation of objects' features. We used functional MRI and pattern classification methods to determine if during action planning, object features (orientation and location) could be decoded in an action‐dependent way. Sixteen human participants used their right dominant hand to perform movements (Align or Open reach) towards one of two 3D‐real oriented objects that were simultaneously presented and placed on either side of a fixation cross. While both movements required aiming towards target location, Align but not Open reach movements required participants to precisely adjust hand orientation. Therefore, we hypothesized that if the representation of object features is modulated by the upcoming action, pre‐movement activity pattern would allow more accurate dissociation between object features in Align than Open reach tasks. We found such dissociation in the anterior and posterior parietal cortex, as well as in the dorsal premotor cortex, suggesting that visuomotor processing is modulated by the upcoming task. The early visual cortex showed significant decoding accuracy for the dissociation between object features in the Align but not Open reach task. However, there was no significant difference between the decoding accuracy in the two tasks. These results demonstrate that movement‐specific preparatory signals modulate object representation in the frontal and parietal cortex, and to a lesser extent in the early visual cortex, likely through feedback functional connections.
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Affiliation(s)
- Jena Velji-Ibrahim
- CIMeC - Center for Mind/Brain Sciences, University of Trento, Trento, Italy.,Center for Vision Research, York University, Toronto, Ontario, Canada.,School of Kinesiology and Health Science, Toronto, Ontario, Canada
| | - J Douglas Crawford
- Center for Vision Research, York University, Toronto, Ontario, Canada.,School of Kinesiology and Health Science, Toronto, Ontario, Canada.,Departments of Biology and Psychology, York University, Toronto, Ontario, Canada
| | - Luigi Cattaneo
- CIMeC - Center for Mind/Brain Sciences, University of Trento, Trento, Italy
| | - Simona Monaco
- CIMeC - Center for Mind/Brain Sciences, University of Trento, Trento, Italy
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16
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Drudik K, Zlatkina V, Petrides M. Morphological patterns and spatial probability maps of the superior parietal sulcus in the human brain. Cereb Cortex 2022; 33:1230-1245. [PMID: 35388402 PMCID: PMC9930623 DOI: 10.1093/cercor/bhac132] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2021] [Revised: 03/04/2022] [Accepted: 03/05/2022] [Indexed: 11/14/2022] Open
Abstract
The superior parietal sulcus (SPS) is the defining sulcus within the superior parietal lobule (SPL). The morphological variability of the SPS was examined in individual magnetic resonance imaging (MRI) scans of the human brain that were registered to the Montreal Neurological Institute (MNI) standard stereotaxic space. Two primary morphological patterns were consistently identified across hemispheres: (i) the SPS was identified as a single sulcus, separating the anterior from the posterior part of the SPL and (ii) the SPS was found as a complex of multiple sulcal segments. These morphological patterns were subdivided based on whether the SPS or SPS complex remained distinct or merged with surrounding parietal sulci. The morphological variability and spatial extent of the SPS were quantified using volumetric and surface spatial probabilistic mapping. The current investigation established consistent morphological patterns in a common anatomical space, the MNI stereotaxic space, to facilitate structural and functional analyses within the SPL.
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Affiliation(s)
- Kristina Drudik
- Corresponding author: Kristina Drudik, Montreal Neurological Institute, 3801 University St., Montreal, QC H3A 2B4, Canada.
| | - Veronika Zlatkina
- Department of Neurology and Neurosurgery, McGill University, Montreal Neurological Institute, 3801 University Street, Montreal, Quebec, Canada H3A 2B4,Department of Psychology, McGill University, 2001 McGill College, Montreal, Quebec, Canada H3A 1G1
| | - Michael Petrides
- Department of Neurology and Neurosurgery, McGill University, Montreal Neurological Institute, 3801 University Street, Montreal, Quebec, Canada H3A 2B4,Department of Psychology, McGill University, 2001 McGill College, Montreal, Quebec, Canada H3A 1G1
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17
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Rand MK, Ringenbach SDR. Delay of gaze fixation during reaching movement with the non-dominant hand to a distant target. Exp Brain Res 2022; 240:1629-1647. [PMID: 35366070 DOI: 10.1007/s00221-022-06357-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2021] [Accepted: 03/22/2022] [Indexed: 11/26/2022]
Abstract
The present study examined the effects of hand and task difficulty on eye-hand coordination related to gaze fixation behavior (i.e., fixating a gaze to the target until reach completion) in single reaching movements. Twenty right-handed young adults made reaches on a digitizer, while looking at a visual target and feedback of hand movements on a computer monitor. Task difficulty was altered by having three target distances. In a small portion of trials, visual feedback was randomly removed at the target presentation. The effect of a moderate amount of practice was also examined using a randomized trial schedule across target-distance and visual-feedback conditions in each hand. The results showed that the gaze distances covered during the early reaching phase were reduced, and the gaze fixation to the target was delayed when reaches were performed with the left hand and when the target distance increased. These results suggest that when the use of the non-dominant hand or an increased task difficulty reduces the predictability of hand movements and its sensory consequences, eye-hand coordination is modified to enhance visual monitoring of the reach progress prior to gaze fixation. The randomized practice facilitated this process. Nevertheless, variability of reach trajectory was more increased without visual feedback for right-hand reaches, indicating that control of the dominant arm integrates more visual feedback information during reaches. These results together suggest that the earlier gaze fixation and greater integration of visual feedback during right-hand reaches contribute to the faster and more accurate performance in the final reaching phase.
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Affiliation(s)
- Miya K Rand
- Leibniz Research Centre for Working Environment and Human Factors, Dortmund, Germany.
- College of Health Solutions, Arizona State University, Phoenix, AZ, USA.
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18
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Dreyer AM, Rieger JW. High-gamma mirror activity patterns in the human brain during reach-to-grasp movement observation, retention, and execution-An MEG study. PLoS One 2021; 16:e0260304. [PMID: 34855777 PMCID: PMC8639081 DOI: 10.1371/journal.pone.0260304] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2021] [Accepted: 11/06/2021] [Indexed: 11/19/2022] Open
Abstract
While the existence of a human mirror neuron system is evident, the involved brain areas and their exact functional roles remain under scientific debate. A number of functionally different mirror neuron types, neurons that selectively respond to specific grasp phases and types for example, have been reported with single cell recordings in monkeys. In humans, spatially limited, intracranially recorded electrophysiological signals in the high-gamma (HG) range have been used to investigate the human mirror system, as they are associated with spiking activity in single neurons. Our goal here is to complement previous intracranial HG studies by using magnetoencephalography to record HG activity simultaneously from the whole head. Participants performed a natural reach-to-grasp movement observation and delayed imitation task with different everyday objects and grasp types. This allowed us to characterize the spatial organization of cortical areas that show HG-activation modulation during movement observation (mirroring), retention (mnemonic mirroring), and execution (motor control). Our results show mirroring related HG modulation patterns over bilateral occipito-parietal as well as sensorimotor areas. In addition, we found mnemonic mirroring related HG modulation over contra-lateral fronto-temporal areas. These results provide a foundation for further human mirror system research as well as possible target areas for brain-computer interface and neurorehabilitation approaches.
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Affiliation(s)
- Alexander M. Dreyer
- Department of Psychology, Carl von Ossietzky University Oldenburg, Oldenburg, Germany
- * E-mail:
| | - Jochem W. Rieger
- Department of Psychology, Carl von Ossietzky University Oldenburg, Oldenburg, Germany
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19
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Seegelke C, Schonard C, Heed T. Repetition effects in action planning reflect effector- but not hemisphere-specific coding. J Neurophysiol 2021; 126:2001-2013. [PMID: 34788180 PMCID: PMC9007629 DOI: 10.1152/jn.00326.2021] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Action choices are influenced by future and recent past action states. For example, when performing two actions in succession, response times (RTs) to initiate the second action are reduced when the same hand is used. These findings suggest the existence of effector-specific processing for action planning. However, given that each hand is primarily controlled by the contralateral hemisphere, the RT benefit might actually reflect effector-independent, hemisphere-specific rather than effector-specific repetition effects. Here, participants performed two consecutive movements, each with a hand or a foot, in one of two directions. Direction was specified in an egocentric reference frame (inward, outward) or in an allocentric reference frame (left, right). Successive actions were initiated faster when the same limb (e.g., left hand-left hand), but not the other limb of the same body side (e.g., left foot-left hand), executed the second action. The same-limb advantage was evident even when the two movements involved different directions, whether specified egocentrically or allocentrically. Corroborating evidence from computational modeling lends support to the claim that repetition effects in action planning reflect persistent changes in baseline activity within neural populations that encode effector-specific action plans. NEW & NOTEWORTHY Repeated hand use facilitates the initiation of successive actions (repetition effect). This finding has been interpreted as evidence for effector-specific action plans. However, given that each hand is primarily controlled by the contralateral hemisphere, any differences might reflect effector-independent, hemisphere-specific rather than effector-specific processing. We dissociated these alternatives by asking participants to perform successive actions with hands and feet and provide novel evidence that repetition effects in limb use truly reflect effector-specific coding.
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Affiliation(s)
- Christian Seegelke
- Biopsychology and Cognitive Neuroscience, Faculty of Psychology and Sport Sciences, Bielefeld University, Bielefeld, Germany.,Center for Cognitive Interaction Technology (CITEC), Bielefeld, Germany.,Department of Psychology, University of Salzburg, Salzburg, Austria.,Centre for Cognitive Neuroscience, University of Salzburg, Salzburg, Austria
| | - Carolin Schonard
- Biopsychology and Cognitive Neuroscience, Faculty of Psychology and Sport Sciences, Bielefeld University, Bielefeld, Germany
| | - Tobias Heed
- Biopsychology and Cognitive Neuroscience, Faculty of Psychology and Sport Sciences, Bielefeld University, Bielefeld, Germany.,Center for Cognitive Interaction Technology (CITEC), Bielefeld, Germany.,Department of Psychology, University of Salzburg, Salzburg, Austria.,Centre for Cognitive Neuroscience, University of Salzburg, Salzburg, Austria
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20
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Willemse C, Abubshait A, Wykowska A. Motor behaviour mimics the gaze response in establishing joint attention, but is moderated by individual differences in adopting the intentional stance towards a robot avatar. VISUAL COGNITION 2021. [DOI: 10.1080/13506285.2021.1994494] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Affiliation(s)
- Cesco Willemse
- Social Cognition in Human-Robot Interaction, Istituto Italiano di Tecnologia, via Enrico Melen 83, Genova 16152, Italy
| | - Abdulaziz Abubshait
- Social Cognition in Human-Robot Interaction, Istituto Italiano di Tecnologia, via Enrico Melen 83, Genova 16152, Italy
| | - Agnieszka Wykowska
- Social Cognition in Human-Robot Interaction, Istituto Italiano di Tecnologia, via Enrico Melen 83, Genova 16152, Italy
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21
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Gómez-Granados A, Barany DA, Schrayer M, Kurtzer IL, Bonnet CT, Singh T. Age-related deficits in rapid visuomotor decision-making. J Neurophysiol 2021; 126:1592-1603. [PMID: 34614375 DOI: 10.1152/jn.00073.2021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Many goal-directed actions that require rapid visuomotor planning and perceptual decision-making are affected in older adults, causing difficulties in execution of many functional activities of daily living. Visuomotor planning and perceptual identification are mediated by the dorsal and ventral visual streams, respectively, but it is unclear how age-induced changes in sensory processing in these streams contribute to declines in visuomotor decision-making performance. Previously, we showed that in young adults, task demands influenced movement strategies during visuomotor decision-making, reflecting differential integration of sensory information between the two streams. Here, we asked the question if older adults would exhibit deficits in interactions between the two streams during demanding motor tasks. Older adults (n = 15) and young controls (n = 26) performed reaching or interception movements toward virtual objects. In some blocks of trials, participants also had to select an appropriate movement goal based on the shape of the object. Our results showed that older adults corrected fewer initial decision errors during both reaching and interception movements. During the interception decision task, older adults made more decision- and execution-related errors than young adults, which were related to early initiation of their movements. Together, these results suggest that older adults have a reduced ability to integrate new perceptual information to guide online action, which may reflect impaired ventral-dorsal stream interactions.NEW & NOTEWORTHY Older adults show declines in vision, decision-making, and motor control, which can lead to functional limitations. We used a rapid visuomotor decision task to examine how these deficits may interact to affect task performance. Compared with healthy young adults, older adults made more errors in both decision-making and motor execution, especially when the task required intercepting moving targets. This suggests that age-related declines in integrating perceptual and motor information may contribute to functional deficits.
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Affiliation(s)
| | - Deborah A Barany
- Department of Kinesiology, University of Georgia, Athens, Georgia.,Augusta University/University of Georgia Medical Partnership, Athens, Georgia
| | | | - Isaac L Kurtzer
- Department of Biomedical Science, New York Institute of Technology-College of Osteopathic Medicine, Old Westbury, New York
| | - Cédrick T Bonnet
- Univ. Lille, CNRS, UMR 9193-SCALab-Sciences Cognitives et Sciences Affectives, Lille, France
| | - Tarkeshwar Singh
- Department of Kinesiology, The Pennsylvania State University, University Park, Pennsylvania
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22
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Sobinov AR, Bensmaia SJ. The neural mechanisms of manual dexterity. Nat Rev Neurosci 2021; 22:741-757. [PMID: 34711956 DOI: 10.1038/s41583-021-00528-7] [Citation(s) in RCA: 50] [Impact Index Per Article: 16.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/21/2021] [Indexed: 01/22/2023]
Abstract
The hand endows us with unparalleled precision and versatility in our interactions with objects, from mundane activities such as grasping to extraordinary ones such as virtuoso pianism. The complex anatomy of the human hand combined with expansive and specialized neuronal control circuits allows a wide range of precise manual behaviours. To support these behaviours, an exquisite sensory apparatus, spanning the modalities of touch and proprioception, conveys detailed and timely information about our interactions with objects and about the objects themselves. The study of manual dexterity provides a unique lens into the sensorimotor mechanisms that endow the nervous system with the ability to flexibly generate complex behaviour.
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Affiliation(s)
- Anton R Sobinov
- Department of Organismal Biology and Anatomy, University of Chicago, Chicago, IL, USA.,Neuroscience Institute, University of Chicago, Chicago, IL, USA
| | - Sliman J Bensmaia
- Department of Organismal Biology and Anatomy, University of Chicago, Chicago, IL, USA. .,Neuroscience Institute, University of Chicago, Chicago, IL, USA. .,Committee on Computational Neuroscience, University of Chicago, Chicago, IL, USA.
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23
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Vision for action: thalamic and cortical inputs to the macaque superior parietal lobule. Brain Struct Funct 2021; 226:2951-2966. [PMID: 34524542 PMCID: PMC8541979 DOI: 10.1007/s00429-021-02377-7] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2021] [Accepted: 08/31/2021] [Indexed: 12/27/2022]
Abstract
The dorsal visual stream, the cortical circuit that in the primate brain is mainly dedicated to the visual control of actions, is split into two routes, a lateral and a medial one, both involved in coding different aspects of sensorimotor control of actions. The lateral route, named "lateral grasping network", is mainly involved in the control of the distal part of prehension, namely grasping and manipulation. The medial route, named "reach-to-grasp network", is involved in the control of the full deployment of prehension act, from the direction of arm movement to the shaping of the hand according to the object to be grasped. In macaque monkeys, the reach-to-grasp network (the target of this review) includes areas of the superior parietal lobule (SPL) that hosts visual and somatosensory neurons well suited to control goal-directed limb movements toward stationary as well as moving objects. After a brief summary of the neuronal functional properties of these areas, we will analyze their cortical and thalamic inputs thanks to retrograde neuronal tracers separately injected into the SPL areas V6, V6A, PEc, and PE. These areas receive visual and somatosensory information distributed in a caudorostral, visuosomatic trend, and some of them are directly connected with the dorsal premotor cortex. This review is particularly focused on the origin and type of visual information reaching the SPL, and on the functional role this information can play in guiding limb interaction with objects in structured and dynamic environments.
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24
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Miguel HO, Condy EE, Nguyen T, Zeytinoglu S, Blick E, Bress K, Khaksari K, Dashtestani H, Millerhagen J, Shahmohammadi S, Fox NA, Gandjbakhche A. Cerebral hemodynamic response during a live action-observation and action-execution task: A fNIRS study. PLoS One 2021; 16:e0253788. [PMID: 34388157 PMCID: PMC8362964 DOI: 10.1371/journal.pone.0253788] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2021] [Accepted: 06/14/2021] [Indexed: 11/25/2022] Open
Abstract
Although many studies have examined the location of the action observation network (AON) in human adults, the shared neural correlates of action-observation and action-execution are still unclear partially due to lack of ecologically valid neuroimaging measures. In this study, we aim to demonstrate the feasibility of using functional near infrared spectroscopy (fNIRS) to measure the neural correlates of action-observation and action execution regions during a live task. Thirty adults reached for objects or observed an experimenter reaching for objects while their cerebral hemodynamic responses including oxy-hemoglobin (HbO) and deoxy-hemoglobin (HbR) were recorded in the sensorimotor and parietal regions. Our results indicated that the parietal regions, including bilateral superior parietal lobule (SPL), bilateral inferior parietal lobule (IPL), right supra-marginal region (SMG) and right angular gyrus (AG) share neural activity during action-observation and action-execution. Our findings confirm the applicability of fNIRS for the study of the AON and lay the foundation for future work with developmental and clinical populations.
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Affiliation(s)
- Helga O. Miguel
- National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, Maryland, United States of America
| | - Emma E. Condy
- National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, Maryland, United States of America
| | - Thien Nguyen
- National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, Maryland, United States of America
| | - Selin Zeytinoglu
- Department of Human Development and Quantitative Methodology, University of Maryland, College Park, Maryland, United States of America
| | - Emily Blick
- National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, Maryland, United States of America
| | - Kimberly Bress
- National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, Maryland, United States of America
| | - Kosar Khaksari
- National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, Maryland, United States of America
| | - Hadis Dashtestani
- National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, Maryland, United States of America
| | - John Millerhagen
- National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, Maryland, United States of America
| | - Sheida Shahmohammadi
- National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, Maryland, United States of America
| | - Nathan A. Fox
- Department of Human Development and Quantitative Methodology, University of Maryland, College Park, Maryland, United States of America
| | - Amir Gandjbakhche
- National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, Maryland, United States of America
- * E-mail:
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25
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Malfatti G, Turella L. Neural encoding and functional interactions underlying pantomimed movements. Brain Struct Funct 2021; 226:2321-2337. [PMID: 34247268 PMCID: PMC8354930 DOI: 10.1007/s00429-021-02332-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2020] [Accepted: 06/21/2021] [Indexed: 01/23/2023]
Abstract
Pantomimes are a unique movement category which can convey complex information about our intentions in the absence of any interaction with real objects. Indeed, we can pretend to use the same tool to perform different actions or to achieve the same goal adopting different tools. Nevertheless, how our brain implements pantomimed movements is still poorly understood. In our study, we explored the neural encoding and functional interactions underlying pantomimes adopting multivariate pattern analysis (MVPA) and connectivity analysis of fMRI data. Participants performed pantomimed movements, either grasp-to-move or grasp-to-use, as if they were interacting with two different tools (scissors or axe). These tools share the possibility to achieve the same goal. We adopted MVPA to investigate two levels of representation during the planning and execution of pantomimes: (1) distinguishing different actions performed with the same tool, (2) representing the same final goal irrespective of the adopted tool. We described widespread encoding of action information within regions of the so-called “tool” network. Several nodes of the network—comprising regions within the ventral and the dorsal stream—also represented goal information. The spatial distribution of goal information changed from planning—comprising posterior regions (i.e. parietal and temporal)—to execution—including also anterior regions (i.e. premotor cortex). Moreover, connectivity analysis provided evidence for task-specific bidirectional coupling between the ventral stream and parieto-frontal motor networks. Overall, we showed that pantomimes were characterized by specific patterns of action and goal encoding and by task-dependent cortical interactions.
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Affiliation(s)
- Giulia Malfatti
- Center for Mind/Brain Sciences (CIMeC), University of Trento, Corso Bettini 31, 38068, Rovereto, Italy
| | - Luca Turella
- Center for Mind/Brain Sciences (CIMeC), University of Trento, Corso Bettini 31, 38068, Rovereto, Italy.
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26
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Local field potentials in the parietal reach region reveal mechanisms of bimanual coordination. Nat Commun 2021; 12:2514. [PMID: 33947840 PMCID: PMC8096826 DOI: 10.1038/s41467-021-22701-3] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2018] [Accepted: 03/25/2021] [Indexed: 02/02/2023] Open
Abstract
Primates use their arms in complex ways that frequently require coordination between the two arms. Yet the planning of bimanual movements has not been well-studied. We recorded spikes and local field potentials (LFP) from the parietal reach region (PRR) in both hemispheres simultaneously while monkeys planned and executed unimanual and bimanual reaches. From analyses of interhemispheric LFP-LFP and spike-LFP coherence, we found that task-specific information is shared across hemispheres in a frequency-specific manner. This shared information could arise from common input or from direct communication. The population average unit activity in PRR, representing PRR output, encodes only planned contralateral arm movements while beta-band LFP power, a putative PRR input, reflects the pattern of planned bimanual movement. A parsimonious interpretation of these data is that PRR integrates information about the movement of the left and right limbs, perhaps in service of bimanual coordination.
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Dilcher R, Jamous R, Takacs A, Tóth-Fáber E, Münchau A, Li SC, Beste C. Neurophysiology of embedded response plans: age effects in action execution but not in feature integration from preadolescence to adulthood. J Neurophysiol 2021; 125:1382-1395. [PMID: 33689490 DOI: 10.1152/jn.00681.2020] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Performing a goal-directed movement consists of a chain of complex preparatory mechanisms. Such planning especially requires integration (or binding) of various action features, a process that has been conceptualized in the "theory of event coding." Theoretical considerations and empirical research suggest that these processes are subject to developmental effects from adolescence to adulthood. The aim of the present study was to investigate age-related modulations in action feature binding processes and to shed light on underlying neurophysiological development from preadolescence to early adulthood. We examined a group of healthy participants (n = 61) between 10 and 30 yr of age, who performed a task that requires a series of bimanual response selections in an embedded paradigm. For an in-depth analysis of the underlying neural correlates, we applied EEG signal decomposition together with source localization analyses. Behavioral results across the whole group did not show binding effects in reaction times but in intraindividual response variability. From age 10 to 30 yr, there was a decrease in reaction times and reaction time variability but no age-related effect in action file binding. The latter were corroborated by Bayesian data analyses. On the brain level, the developmental effects on response selection were associated with activation modulations in the superior parietal cortex (BA7). The results show that mechanisms of action execution and speed, but not those of action feature binding, are subject to age-related changes between the age of 10 and 30 yr.NEW & NOTEWORTHY Different aspects of an action need to be integrated to allow smooth unfolding of behavior. We examine developmental effects in these processes and show that mechanisms of action execution and speed, but not those of action feature binding, are subject to age-related changes between the age of 10 and 30 yr.
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Affiliation(s)
- Roxane Dilcher
- Chair of Lifespan Developmental Neuroscience, Faculty of Psychology, TU Dresden, Dresden, Germany
| | - Roula Jamous
- Cognitive Neurophysiology, Department of Child and Adolescent Psychiatry, Faculty of Medicine, TU Dresden, Dresden, Germany
| | - Adam Takacs
- Cognitive Neurophysiology, Department of Child and Adolescent Psychiatry, Faculty of Medicine, TU Dresden, Dresden, Germany
| | - Eszter Tóth-Fáber
- Doctoral School of Psychology, ELTE Eötvös Loránd University, Budapest, Hungary.,Institute of Psychology, ELTE Eötvös Loránd University, Budapest, Hungary
| | - Alexander Münchau
- Institute of Systems Motor Science, University of Lübeck, Lübeck, Germany
| | - Shu-Chen Li
- Chair of Lifespan Developmental Neuroscience, Faculty of Psychology, TU Dresden, Dresden, Germany.,Centre for Tactile Internet with Human-in-the-Loop, TU Dresden, Dresden, Germany
| | - Christian Beste
- Cognitive Neurophysiology, Department of Child and Adolescent Psychiatry, Faculty of Medicine, TU Dresden, Dresden, Germany
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28
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Baarbé J, Vesia M, Brown MJN, Lizarraga KJ, Gunraj C, Jegatheeswaran G, Drummond NM, Rinchon C, Weissbach A, Saravanamuttu J, Chen R. Interhemispheric interactions between the right angular gyrus and the left motor cortex: a transcranial magnetic stimulation study. J Neurophysiol 2021; 125:1236-1250. [PMID: 33625938 DOI: 10.1152/jn.00642.2020] [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 interconnection of the angular gyrus of right posterior parietal cortex (PPC) and the left motor cortex (LM1) is essential for goal-directed hand movements. Previous work with transcranial magnetic stimulation (TMS) showed that right PPC stimulation increases LM1 excitability, but right PPC followed by left PPC-LM1 stimulation (LPPC-LM1) inhibits LM1 corticospinal output compared with LPPC-LM1 alone. It is not clear if right PPC-mediated inhibition of LPPC-LM1 is due to inhibition of left PPC or to combined effects of right and left PPC stimulation on LM1 excitability. We used paired-pulse TMS to study the extent to which combined right and left PPC stimulation, targeting the angular gyri, influences LM1 excitability. We tested 16 healthy subjects in five paired-pulsed TMS experiments using MRI-guided neuronavigation to target the angular gyri within PPC. We tested the effects of different right angular gyrus (RAG) and LM1 stimulation intensities on the influence of RAG on LM1 and on influence of left angular gyrus (LAG) on LM1 (LAG-LM1). We then tested the effects of RAG and LAG stimulation on LM1 short-interval intracortical facilitation (SICF), short-interval intracortical inhibition (SICI), and long-interval intracortical inhibition (LICI). The results revealed that RAG facilitated LM1, inhibited SICF, and inhibited LAG-LM1. Combined RAG-LAG stimulation did not affect SICI but increased LICI. These experiments suggest that RAG-mediated inhibition of LAG-LM1 is related to inhibition of early indirect (I)-wave activity and enhancement of GABAB receptor-mediated inhibition in LM1. The influence of RAG on LM1 likely involves ipsilateral connections from LAG to LM1 and heterotopic connections from RAG to LM1.NEW & NOTEWORTHY Goal-directed hand movements rely on the right and left angular gyri (RAG and LAG) and motor cortex (M1), yet how these brain areas functionally interact is unclear. Here, we show that RAG stimulation facilitated right hand motor output from the left M1 but inhibited indirect (I)-waves in M1. Combined RAG and LAG stimulation increased GABAB, but not GABAA, receptor-mediated inhibition in left M1. These findings highlight unique brain interactions between the RAG and left M1.
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Affiliation(s)
- Julianne Baarbé
- Department of Medicine, University of Toronto, Toronto, Ontario, Canada.,School of Kinesiology, Brain Behavior Laboratory, University of Michigan, Ann Arbor, Michigan
| | - Michael Vesia
- Department of Medicine, University of Toronto, Toronto, Ontario, Canada.,School of Kinesiology, Brain Behavior Laboratory, University of Michigan, Ann Arbor, Michigan
| | - Matt J N Brown
- Department of Medicine, University of Toronto, Toronto, Ontario, Canada.,School of Kinesiology, Brain Behavior Laboratory, University of Michigan, Ann Arbor, Michigan.,Department of Kinesiology, California State University, Sacramento, California
| | - Karlo J Lizarraga
- Department of Medicine, University of Toronto, Toronto, Ontario, Canada.,School of Kinesiology, Brain Behavior Laboratory, University of Michigan, Ann Arbor, Michigan.,Motor Physiology and Neuromodulation Program, Division of Movement Disorders and Center for Health + Technology, Department of Neurology, University of Rochester, Rochester, New York
| | - Carolyn Gunraj
- Department of Medicine, University of Toronto, Toronto, Ontario, Canada.,School of Kinesiology, Brain Behavior Laboratory, University of Michigan, Ann Arbor, Michigan
| | - Gaayathiri Jegatheeswaran
- Department of Medicine, University of Toronto, Toronto, Ontario, Canada.,School of Kinesiology, Brain Behavior Laboratory, University of Michigan, Ann Arbor, Michigan
| | - Neil M Drummond
- Department of Medicine, University of Toronto, Toronto, Ontario, Canada.,School of Kinesiology, Brain Behavior Laboratory, University of Michigan, Ann Arbor, Michigan
| | - Cricia Rinchon
- Department of Medicine, University of Toronto, Toronto, Ontario, Canada.,School of Kinesiology, Brain Behavior Laboratory, University of Michigan, Ann Arbor, Michigan
| | - Anne Weissbach
- Department of Medicine, University of Toronto, Toronto, Ontario, Canada.,School of Kinesiology, Brain Behavior Laboratory, University of Michigan, Ann Arbor, Michigan.,Institute of Systems Motor Science, University of Lübeck, Lübeck, Germany
| | - James Saravanamuttu
- Department of Medicine, University of Toronto, Toronto, Ontario, Canada.,School of Kinesiology, Brain Behavior Laboratory, University of Michigan, Ann Arbor, Michigan
| | - Robert Chen
- Department of Medicine, University of Toronto, Toronto, Ontario, Canada.,School of Kinesiology, Brain Behavior Laboratory, University of Michigan, Ann Arbor, Michigan
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29
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Goldenkoff ER, Logue RN, Brown SH, Vesia M. Reduced Facilitation of Parietal-Motor Functional Connections in Older Adults. Front Aging Neurosci 2021; 13:595288. [PMID: 33597858 PMCID: PMC7882479 DOI: 10.3389/fnagi.2021.595288] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2020] [Accepted: 01/11/2021] [Indexed: 12/04/2022] Open
Abstract
Age-related changes in cortico-cortical connectivity in the human motor network in older adults are associated with declines in hand dexterity. Posterior parietal cortex (PPC) is strongly interconnected with motor areas and plays a critical role in many aspects of motor planning. Functional connectivity measures derived from dual-site transcranial magnetic stimulation (dsTMS) studies have found facilitatory inputs from PPC to ipsilateral primary motor cortex (M1) in younger adults. In this study, we investigated whether facilitatory inputs from PPC to M1 are altered by age. We used dsTMS in a conditioning-test paradigm to characterize patterns of functional connectivity between the left PPC and ipsilateral M1 and a standard pegboard test to assess skilled hand motor function in 13 young and 13 older adults. We found a PPC-M1 facilitation in young adults but not older adults. Older adults also showed a decline in motor performance compared to young adults. We conclude that the reduced PPC-M1 facilitation in older adults may be an early marker of age-related decline in the neural control of movement.
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Affiliation(s)
- Elana R Goldenkoff
- Brain Behavior Laboratory, School of Kinesiology, University of Michigan, Ann Arbor, MI, United States
| | - Rachel N Logue
- Motor Control Laboratory, School of Kinesiology, University of Michigan, Ann Arbor, MI, United States
| | - Susan H Brown
- Motor Control Laboratory, School of Kinesiology, University of Michigan, Ann Arbor, MI, United States
| | - Michael Vesia
- Brain Behavior Laboratory, School of Kinesiology, University of Michigan, Ann Arbor, MI, United States
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30
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de Brouwer AJ, Flanagan JR, Spering M. Functional Use of Eye Movements for an Acting System. Trends Cogn Sci 2021; 25:252-263. [PMID: 33436307 DOI: 10.1016/j.tics.2020.12.006] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2020] [Revised: 12/05/2020] [Accepted: 12/07/2020] [Indexed: 10/22/2022]
Abstract
Movements of the eyes assist vision and support hand and body movements in a cooperative way. Despite their strong functional coupling, different types of movements are usually studied independently. We integrate knowledge from behavioral, neurophysiological, and clinical studies on how eye movements are coordinated with goal-directed hand movements and how they facilitate motor learning. Understanding the coordinated control of eye and hand movements can provide important insights into brain functions that are essential for performing or learning daily tasks in health and disease. This knowledge can also inform applications such as robotic manipulation and clinical rehabilitation.
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Affiliation(s)
- Anouk J de Brouwer
- Department of Ophthalmology and Visual Sciences, University of British Columbia, Vancouver, Canada.
| | - J Randall Flanagan
- Centre for Neuroscience Studies, Queen's University, Kingston, Canada; Department of Psychology, Queen's University, Kingston, Canada
| | - Miriam Spering
- Department of Ophthalmology and Visual Sciences, University of British Columbia, Vancouver, Canada; Djavad Mowafaghian Centre for Brain Health, University of British Columbia, Vancouver, Canada
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31
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Breveglieri R, Bosco A, Borgomaneri S, Tessari A, Galletti C, Avenanti A, Fattori P. Transcranial Magnetic Stimulation Over the Human Medial Posterior Parietal Cortex Disrupts Depth Encoding During Reach Planning. Cereb Cortex 2021; 31:267-280. [PMID: 32995831 DOI: 10.1093/cercor/bhaa224] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2020] [Revised: 07/01/2020] [Accepted: 07/23/2020] [Indexed: 11/12/2022] Open
Abstract
Accumulating evidence supports the view that the medial part of the posterior parietal cortex (mPPC) is involved in the planning of reaching, but while plenty of studies investigated reaching performed toward different directions, only a few studied different depths. Here, we investigated the causal role of mPPC (putatively, human area V6A-hV6A) in encoding depth and direction of reaching. Specifically, we applied single-pulse transcranial magnetic stimulation (TMS) over the left hV6A at different time points while 15 participants were planning immediate, visually guided reaching by using different eye-hand configurations. We found that TMS delivered over hV6A 200 ms after the Go signal affected the encoding of the depth of reaching by decreasing the accuracy of movements toward targets located farther with respect to the gazed position, but only when they were also far from the body. The effectiveness of both retinotopic (farther with respect to the gaze) and spatial position (far from the body) is in agreement with the presence in the monkey V6A of neurons employing either retinotopic, spatial, or mixed reference frames during reach plan. This work provides the first causal evidence of the critical role of hV6A in the planning of visually guided reaching movements in depth.
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Affiliation(s)
- Rossella Breveglieri
- Department of Biomedical and Neuromotor Sciences, University of Bologna, 40126 Bologna, Italy
| | - Annalisa Bosco
- Department of Biomedical and Neuromotor Sciences, University of Bologna, 40126 Bologna, Italy
| | - Sara Borgomaneri
- Center for studies and research in Cognitive Neuroscience, University of Bologna, 47521 Cesena, Italy.,IRCCS, Santa Lucia Foundation, 00179 Rome, Italy
| | - Alessia Tessari
- Department of Psychology, University of Bologna, 40127 Bologna, Italy
| | - Claudio Galletti
- Department of Biomedical and Neuromotor Sciences, University of Bologna, 40126 Bologna, Italy
| | - Alessio Avenanti
- Center for studies and research in Cognitive Neuroscience, University of Bologna, 47521 Cesena, Italy.,Center for research in Neuropsychology and Cognitive Neurosciences, Catholic University of Maule, 3460000 Talca, Chile
| | - Patrizia Fattori
- Department of Biomedical and Neuromotor Sciences, University of Bologna, 40126 Bologna, Italy
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32
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Goldenkoff ER, McGregor HR, Mergos J, Gholizadeh P, Bridenstine J, Brown MJN, Vesia M. Reversal of Visual Feedback Modulates Somatosensory Plasticity. Neuroscience 2020; 452:335-344. [PMID: 33220339 DOI: 10.1016/j.neuroscience.2020.10.033] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2020] [Revised: 09/22/2020] [Accepted: 10/27/2020] [Indexed: 12/26/2022]
Abstract
Reversed visual feedback during unimanual training increases transfer of skills to the opposite untrained hand and modulates plasticity in motor areas of the brain. However, it is unclear if unimanual training with reversed visual feedback also affects somatosensory areas. Here we manipulated visual input during unimanual training using left-right optical reversing spectacles and tested whether unimanual training with reversed vision modulates somatosensory cortical excitability to facilitate motor performance. Thirty participants practiced a unimanual ball-rotation task using the right hand with either left-right reversed vision (incongruent visual and somatosensory feedback) or direct vision (congruent feedback) of the moving hand. We estimated cortical excitability in primary somatosensory cortex (S1) before and after unimanual training by measuring somatosensory evoked potentials (SEPs). This was done by electrically stimulating the median nerve in the wrist while participants rested, and recording potentials over both hemispheres using electroencephalography. Performance of the ball-rotation task improved for both the right (trained) and left (untrained) hand after training across both direct and reversed vision conditions. Participants with direct vision of the right hand during training showed SEPs amplitudes increased bilaterally. In contrast, participants in the reversed visual condition showed attenuated SEPs following training. The results suggest that cortical suppression of S1 activity supports skilled motor performance after unimanual training with reversed vision, presumably by sensory gating of afferent signals from the movement. This finding provides insight into the mechanisms by which visual input interacts with the sensorimotor system and induces neuroplastic changes in S1 to support skilled motor performance.
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Affiliation(s)
- Elana R Goldenkoff
- School of Kinesiology, Brain Behavior Lab, University of Michigan, Ann Arbor, USA
| | - Heather R McGregor
- Department of Applied Physiology and Kinesiology, University of Florida, Gainesville, FL, USA
| | - Joshua Mergos
- School of Kinesiology, Intraoperative Neuromonitoring Program, University of Michigan, Ann Arbor, USA
| | - Puyan Gholizadeh
- School of Kinesiology, Brain Behavior Lab, University of Michigan, Ann Arbor, USA; School of Kinesiology, Intraoperative Neuromonitoring Program, University of Michigan, Ann Arbor, USA
| | - John Bridenstine
- School of Kinesiology, Brain Behavior Lab, University of Michigan, Ann Arbor, USA; School of Kinesiology, Intraoperative Neuromonitoring Program, University of Michigan, Ann Arbor, USA
| | - Matt J N Brown
- Department of Kinesiology, California State University Sacramento, Sacramento, USA
| | - Michael Vesia
- School of Kinesiology, Brain Behavior Lab, University of Michigan, Ann Arbor, USA.
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33
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Kunimura H, Oda H, Sawaguchi Y, Kawasaki T, Hiraoka K. Cortical contribution to motor process before and after movement onset. Somatosens Mot Res 2020; 38:77-82. [PMID: 33190585 DOI: 10.1080/08990220.2020.1846512] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Abstract
PURPOSE This study determined the cortical areas contributing to the process of the reaction time (RT), movement time, onset-peak time, peak velocity and amplitude of the movement. METHODS Eighteen healthy right-handed humans abducted the left index finger in response to a start cue with transcranial magnetic stimulation (TMS). RESULTS There was a significant and positive correlation coefficient between the peak velocity and amplitude, indicating that movement velocity increases with the size of the movement to maintain the consistent time taken for the movement. There was no significant correlation between the RT and movement time, and thus, hypothesis that those are under common motor process was not supported. The RT in the trials with TMS over the dorsal premotor cortex, dorsolateral prefrontal cortex, or posterior parietal cortex was significantly shorter than the RT in the trials with sham TMS, indicating that those areas contribute to the motor process in the RT. The onset-peak time in the trials with TMS over the posterior parietal cortex was significantly shorter than that in the trials with sham TMS, indicating that the posterior parietal cortex contributes to the motor process that determines the time taken for the acceleration phase of the movement. CONCLUSION The findings support a view that the cortical areas both in front of and behind the primary motor cortex contribute to the motor process before the movement onset, but the areas behind the primary motor cortex particularly contributes to the motor process during the acceleration phase of the movement.
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Affiliation(s)
- Hiroshi Kunimura
- Graduate School of Comprehensive Rehabilitation, Osaka Prefecture University, Habikino, Japan
| | - Hitoshi Oda
- Graduate School of Comprehensive Rehabilitation, Osaka Prefecture University, Habikino, Japan
| | - Yasushi Sawaguchi
- Graduate School of Comprehensive Rehabilitation, Osaka Prefecture University, Habikino, Japan
| | - Taku Kawasaki
- Graduate School of Comprehensive Rehabilitation, Osaka Prefecture University, Habikino, Japan
| | - Koichi Hiraoka
- College of Health and Human Sciences, Osaka Prefecture University, Habikino, Japan
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Abstract
The development of the use of transcranial magnetic stimulation (TMS) in the study of psychological functions has entered a new phase of sophistication. This is largely due to an increasing physiological knowledge of its effects and to its being used in combination with other experimental techniques. This review presents the current state of our understanding of the mechanisms of TMS in the context of designing and interpreting psychological experiments. We discuss the major conceptual advances in behavioral studies using TMS. There are meaningful physiological and technical achievements to review, as well as a wealth of new perceptual and cognitive experiments. In doing so we summarize the different uses and challenges of TMS in mental chronometry, perception, awareness, learning, and memory.
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Affiliation(s)
- David Pitcher
- Department of Psychology, University of York, York YO10 5DD, United Kingdom;
| | - Beth Parkin
- Department of Psychology, University of Westminster, London W1W 6UW, United Kingdom;
| | - Vincent Walsh
- Institute of Cognitive Neuroscience, University College London, London WC1N 3AR, United Kingdom;
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35
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Hannanu FF, Goundous I, Detante O, Naegele B, Jaillard A. Spatiotemporal patterns of sensorimotor fMRI activity influence hand motor recovery in subacute stroke: A longitudinal task-related fMRI study. Cortex 2020; 129:80-98. [DOI: 10.1016/j.cortex.2020.03.024] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2019] [Revised: 11/27/2019] [Accepted: 03/13/2020] [Indexed: 01/01/2023]
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36
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Latchoumane CFV, Barany DA, Karumbaiah L, Singh T. Neurostimulation and Reach-to-Grasp Function Recovery Following Acquired Brain Injury: Insight From Pre-clinical Rodent Models and Human Applications. Front Neurol 2020; 11:835. [PMID: 32849253 PMCID: PMC7396659 DOI: 10.3389/fneur.2020.00835] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2020] [Accepted: 07/06/2020] [Indexed: 12/26/2022] Open
Abstract
Reach-to-grasp is an evolutionarily conserved motor function that is adversely impacted following stroke and traumatic brain injury (TBI). Non-invasive brain stimulation (NIBS) methods, such as transcranial magnetic stimulation and transcranial direct current stimulation, are promising tools that could enhance functional recovery of reach-to-grasp post-brain injury. Though the rodent literature provides a causal understanding of post-injury recovery mechanisms, it has had a limited impact on NIBS protocols in human research. The high degree of homology in reach-to-grasp circuitry between humans and rodents further implies that the application of NIBS to brain injury could be better informed by findings from pre-clinical rodent models and neurorehabilitation research. Here, we provide an overview of the advantages and limitations of using rodent models to advance our current understanding of human reach-to-grasp function, cortical circuitry, and reorganization. We propose that a cross-species comparison of reach-to-grasp recovery could provide a mechanistic framework for clinically efficacious NIBS treatments that could elicit better functional outcomes for patients.
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Affiliation(s)
- Charles-Francois V. Latchoumane
- Department of Animal and Dairy Science, University of Georgia, Athens, GA, United States
- Regenerative Bioscience Center, University of Georgia, Athens, GA, United States
| | - Deborah A. Barany
- Department of Kinesiology, University of Georgia, Athens, GA, United States
| | - Lohitash Karumbaiah
- Department of Animal and Dairy Science, University of Georgia, Athens, GA, United States
- Regenerative Bioscience Center, University of Georgia, Athens, GA, United States
| | - Tarkeshwar Singh
- Regenerative Bioscience Center, University of Georgia, Athens, GA, United States
- Department of Kinesiology, University of Georgia, Athens, GA, United States
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37
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Parietal Cortex Integrates Saccade and Object Orientation Signals to Update Grasp Plans. J Neurosci 2020; 40:4525-4535. [PMID: 32354854 DOI: 10.1523/jneurosci.0300-20.2020] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2020] [Revised: 04/20/2020] [Accepted: 04/21/2020] [Indexed: 11/21/2022] Open
Abstract
Coordinated reach-to-grasp movements are often accompanied by rapid eye movements (saccades) that displace the desired object image relative to the retina. Parietal cortex compensates for this by updating reach goals relative to current gaze direction, but its role in the integration of oculomotor and visual orientation signals for updating grasp plans is unknown. Based on a recent perceptual experiment, we hypothesized that inferior parietal cortex (specifically supramarginal gyrus [SMG]) integrates saccade and visual signals to update grasp plans in additional intraparietal/superior parietal regions. To test this hypothesis in humans (7 females, 6 males), we used a functional magnetic resonance paradigm, where saccades sometimes interrupted grasp preparation toward a briefly presented object that later reappeared (with the same/different orientation) just before movement. Right SMG and several parietal grasp regions, namely, left anterior intraparietal sulcus and bilateral superior parietal lobule, met our criteria for transsaccadic orientation integration: they showed task-dependent saccade modulations and, during grasp execution, they were specifically sensitive to changes in object orientation that followed saccades. Finally, SMG showed enhanced functional connectivity with both prefrontal saccade regions (consistent with oculomotor input) and anterior intraparietal sulcus/superior parietal lobule (consistent with sensorimotor output). These results support the general role of parietal cortex for the integration of visuospatial perturbations, and provide specific cortical modules for the integration of oculomotor and visual signals for grasp updating.SIGNIFICANCE STATEMENT How does the brain simultaneously compensate for both external and internally driven changes in visual input? For example, how do we grasp an unstable object while eye movements are simultaneously changing its retinal location? Here, we used fMRI to identify a group of inferior parietal (supramarginal gyrus) and superior parietal (intraparietal and superior parietal) regions that show saccade-specific modulations during unexpected changes in object/grasp orientation, and functional connectivity with frontal cortex saccade centers. This provides a network, complementary to the reach goal updater, that integrates visuospatial updating into grasp plans, and may help to explain some of the more complex symptoms associated with parietal damage, such as constructional ataxia.
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38
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Kobler RJ, Almeida I, Sburlea AI, Müller-Putz GR. Using machine learning to reveal the population vector from EEG signals. J Neural Eng 2020; 17:026002. [PMID: 32048612 DOI: 10.1088/1741-2552/ab7490] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
OBJECTIVE Since the discovery of the population vector that directly relates neural spiking activity with arm movement direction, it has become feasible to control robotic arms and neuroprostheses using invasively recorded brain signals. For non-invasive approaches, a direct relation between human brain signals and arm movement direction is yet to be established. APPROACH Here, we investigated electroencephalographic (EEG) signals in temporal and spectral domains in a continuous, circular arm movement task. Using machine learning methods that respect the linear mixture of brain activity within EEG signals, we show that directional information is represented in the temporal domain in amplitude modulations of the same frequency as the arm movement, and in the spectral domain in power modulations of the 20-24 Hz frequency band. MAIN RESULTS In the temporal domain, the directional information was mainly expressed in primary sensorimotor cortex (SM1) and posterior parietal cortex (PPC) contralateral to the moving arm, while in the spectral domain SM1 and PPC of both hemispheres predicted arm movement direction. The different cortical representations suggest distinct neural representations in both domains. SIGNIFICANCE This direct relation between neural activity and arm movement direction in both domains demonstrates the potential of machine learning to reveal neuroscientific insights about the dynamics of human arm movements.
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Affiliation(s)
- Reinmar J Kobler
- Institute of Neural Engineering, Graz University of Technology, Graz, Styria 8010, Austria. These authors contributed equally
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39
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Two types of memory-based (pantomime) reaches distinguished by gaze anchoring in reach-to-grasp tasks. Behav Brain Res 2020; 381:112438. [PMID: 31857149 DOI: 10.1016/j.bbr.2019.112438] [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: 07/09/2019] [Revised: 12/13/2019] [Accepted: 12/14/2019] [Indexed: 11/24/2022]
Abstract
Comparisons of target-based reaching vs memory-based (pantomime) reaching have been used to obtain insight into the visuomotor control of reaching. The present study examined the contribution of gaze anchoring, reaching to a target that is under continuous gaze, to both target-based and memory-based reaching. Participants made target-based reaches for discs located on a table or food items located on a pedestal or they replaced the objects. They then made memory-based reaches in which they pantomimed their target-based reaches. Participants were fitted with hand sensors for kinematic tracking and an eye tracker to monitor gaze. When making target-based reaches, participants directed gaze to the target location from reach onset to offset without interrupting saccades. Similar gaze anchoring was present for memory-based reaches when the surface upon which the target had been placed remained. When the target and its surface were both removed there was no systematic relationship between gaze and the reach. Gaze anchoring was also present when participants replaced a target on a surface, a movement featuring a reach but little grasp. That memory-based reaches can be either gaze anchor-associated or gaze anchor-independent is discussed in relation to contemporary views of the neural control of reaching.
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Hermosillo RJM, Mooney MA, Fezcko E, Earl E, Marr M, Sturgeon D, Perrone A, Dominguez OM, Faraone SV, Wilmot B, Nigg JT, Fair DA. Polygenic Risk Score-Derived Subcortical Connectivity Mediates Attention-Deficit/Hyperactivity Disorder Diagnosis. BIOLOGICAL PSYCHIATRY. COGNITIVE NEUROSCIENCE AND NEUROIMAGING 2020; 5:330-341. [PMID: 32033925 PMCID: PMC7147985 DOI: 10.1016/j.bpsc.2019.11.014] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/08/2019] [Revised: 11/07/2019] [Accepted: 11/21/2019] [Indexed: 12/20/2022]
Abstract
BACKGROUND Attention-deficit/hyperactivity disorder (ADHD) has substantial heritability, and a recent large-scale investigation has identified common genome-wide significant loci associated with increased risk for ADHD. Along the same lines, many studies using noninvasive neuroimaging have identified differences in brain functional connectivity in children with ADHD. We attempted to bridge these studies to identify differences in functional connectivity associated with common genetic risk for ADHD using polygenic risk score (PRS). METHODS We computed ADHD PRSs for all participants in our sample (N = 315, children 7-13 years of age, 196 with ADHD and 119 unaffected comparison children) using ADHD data from the Psychiatric Genomics Consortium as a discovery set. Magnetic resonance imaging was used to evaluate resting-state functional connectivity of targeted subcortical structures. RESULTS The functional connectivity between 2 region pairs demonstrated a significant correlation to PRS: right caudate-parietal cortex and nucleus accumbens-occipital cortex. Connectivity between these areas, in addition to being correlated with PRS, was correlated with ADHD status. The connection between the caudate and the parietal region acted as a statistical suppressor, such that when it was included in a path model, the association between PRS and ADHD status was enhanced. CONCLUSIONS Our results suggest that functional connectivity to certain subcortical brain regions is directly altered by genetic variants, and certain cortico-subcortical connections may modulate ADHD-related genetic effects.
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Affiliation(s)
- Robert J M Hermosillo
- Department of Behavioral Neuroscience, Oregon Health & Science University, Portland, Oregon.
| | - Michael A Mooney
- Division of Bioinformatics & Computational Biology, Oregon Health & Science University, Portland, Oregon; Knight Cancer Institute, Oregon Health & Science University, Portland, Oregon
| | - Eric Fezcko
- Department of Behavioral Neuroscience, Oregon Health & Science University, Portland, Oregon; Department of Medical Informatics and Clinical Epidemiology, Oregon Health & Science University, Portland, Oregon
| | - Eric Earl
- Department of Behavioral Neuroscience, Oregon Health & Science University, Portland, Oregon
| | - Mollie Marr
- Department of Behavioral Neuroscience, Oregon Health & Science University, Portland, Oregon
| | - Darrick Sturgeon
- Department of Behavioral Neuroscience, Oregon Health & Science University, Portland, Oregon
| | - Anders Perrone
- Department of Behavioral Neuroscience, Oregon Health & Science University, Portland, Oregon
| | | | - Stephen V Faraone
- Department of Psychiatry, Upstate Medical University, Syracuse, New York; Department of Neuroscience and Physiology, Upstate Medical University, Syracuse, New York
| | - Beth Wilmot
- Division of Bioinformatics & Computational Biology, Oregon Health & Science University, Portland, Oregon; Oregon Clinical and Translational Research Institute, Portland, Oregon
| | - Joel T Nigg
- Department of Behavioral Neuroscience, Oregon Health & Science University, Portland, Oregon; Division of Psychology, Oregon Health & Science University, Portland, Oregon
| | - Damien A Fair
- Department of Behavioral Neuroscience, Oregon Health & Science University, Portland, Oregon; Department of Psychiatry, and Advanced Imaging Research Center, Oregon Health & Science University, Portland, Oregon.
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41
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Turella L, Rumiati R, Lingnau A. Hierarchical Action Encoding Within the Human Brain. Cereb Cortex 2020; 30:2924-2938. [DOI: 10.1093/cercor/bhz284] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2019] [Revised: 10/22/2019] [Accepted: 10/25/2019] [Indexed: 11/14/2022] Open
Abstract
Abstract
Humans are able to interact with objects with extreme flexibility. To achieve this ability, the brain does not only control specific muscular patterns, but it also needs to represent the abstract goal of an action, irrespective of its implementation. It is debated, however, how abstract action goals are implemented in the brain. To address this question, we used multivariate pattern analysis of functional magnetic resonance imaging data. Human participants performed grasping actions (precision grip, whole hand grip) with two different wrist orientations (canonical, rotated), using either the left or right hand. This design permitted to investigate a hierarchical organization consisting of three levels of abstraction: 1) “concrete action” encoding; 2) “effector-dependent goal” encoding (invariant to wrist orientation); and 3) “effector-independent goal” encoding (invariant to effector and wrist orientation). We found that motor cortices hosted joint encoding of concrete actions and of effector-dependent goals, while the parietal lobe housed a convergence of all three representations, comprising action goals within and across effectors. The left lateral occipito-temporal cortex showed effector-independent goal encoding, but no convergence across the three levels of representation. Our results support a hierarchical organization of action encoding, shedding light on the neural substrates supporting the extraordinary flexibility of human hand behavior.
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Affiliation(s)
- Luca Turella
- Center for Mind/Brain Sciences—CIMeC, University of Trento, Rovereto 38068, Italy
| | - Raffaella Rumiati
- Scuola Internazionale Superiore di Studi Avanzati (SISSA), Trieste 34136, Italy
| | - Angelika Lingnau
- Center for Mind/Brain Sciences—CIMeC, University of Trento, Rovereto 38068, Italy
- Department of Cognitive Sciences, University of Trento, Rovereto 38068, Italy
- Institute of Psychology, University of Regensburg, Regensburg 93053, Germany
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42
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Allart E, Viard R, Lopes R, Devanne H, Delval A. Influence of Motor Deficiency and Spatial Neglect on the Contralesional Posterior Parietal Cortex Functional and Structural Connectivity in Stroke Patients. Brain Topogr 2019; 33:176-190. [PMID: 31832813 DOI: 10.1007/s10548-019-00749-1] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2019] [Accepted: 11/27/2019] [Indexed: 02/06/2023]
Abstract
The posterior parietal cortex (PPC) is a key structure for visual attention and upper limb function, two features that could be impaired after stroke, and could be implied in their recovery. If it is well established that stroke is responsible for intra- and interhemispheric connectivity troubles, little is known about those existing for the contralesional PPC. In this study, we aimed at mapping the functional (using resting state fMRI) and structural (using diffusion tensor imagery) networks from 3 subparts of the PPC of the contralesional hemisphere (the anterior intraparietal sulcus), the posterior intraparietal sulcus and the superior parieto-occipital cortex to bilateral frontal areas and ipsilesional homologous PPC parts in 11 chronic stroke patients compared to 13 healthy controls. We also aimed at assessing the relationship between connectivity and the severity of visuospatial and motor deficiencies. We showed that interhemispheric functional and structural connectivity between PPCs was altered in stroke patients compared to controls, without any specificity among seeds. Alterations of parieto-frontal intra- and interhemispheric connectivity were less observed. Neglect severity was associated with several alterations in intra- and interhemispheric connectivity, whereas we did not find any behavioral/connectivity correlations for motor deficiency. The results of this exploratory study shed a new light on the influence of the contralesional PPC in post-stroke patients, they have to be confirmed and refined in further larger studies.
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Affiliation(s)
- Etienne Allart
- Neurorehabilitation Unit, Lille University Medical Center, 59000, Lille, France. .,Inserm U1171-Degenerative and Vascular Cognitive Disorders, University Lille, 59000, Lille, France.
| | - Romain Viard
- Inserm U1171-Degenerative and Vascular Cognitive Disorders, University Lille, 59000, Lille, France.,Clinical Imaging Core FaCility, Lille University Medical Center, 59000, Lille, France
| | - Renaud Lopes
- Inserm U1171-Degenerative and Vascular Cognitive Disorders, University Lille, 59000, Lille, France.,Clinical Imaging Core FaCility, Lille University Medical Center, 59000, Lille, France
| | - Hervé Devanne
- Department of Clinical Neurophysiology, Lille University Medical Center, 59000, Lille, France.,URePSSS Unité de Recherche Pluridisciplinaire Sport Santé Société (EA7369), ULCO, 62228, Calais, France
| | - Arnaud Delval
- Inserm U1171-Degenerative and Vascular Cognitive Disorders, University Lille, 59000, Lille, France.,Department of Clinical Neurophysiology, Lille University Medical Center, 59000, Lille, France
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Medendorp WP, Heed T. State estimation in posterior parietal cortex: Distinct poles of environmental and bodily states. Prog Neurobiol 2019; 183:101691. [DOI: 10.1016/j.pneurobio.2019.101691] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2019] [Revised: 08/12/2019] [Accepted: 08/29/2019] [Indexed: 01/06/2023]
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44
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Structural connectivity and functional properties of the macaque superior parietal lobule. Brain Struct Funct 2019; 225:1349-1367. [DOI: 10.1007/s00429-019-01976-9] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2019] [Accepted: 10/30/2019] [Indexed: 10/25/2022]
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45
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Chen Y, Crawford JD. Allocentric representations for target memory and reaching in human cortex. Ann N Y Acad Sci 2019; 1464:142-155. [PMID: 31621922 DOI: 10.1111/nyas.14261] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2019] [Revised: 09/25/2019] [Accepted: 09/28/2019] [Indexed: 01/18/2023]
Abstract
The use of allocentric cues for movement guidance is complex because it involves the integration of visual targets and independent landmarks and the conversion of this information into egocentric commands for action. Here, we focus on the mechanisms for encoding reach targets relative to visual landmarks in humans. First, we consider the behavioral results suggesting that both of these cues influence target memory, but are then transformed-at the first opportunity-into egocentric commands for action. We then consider the cortical mechanisms for these behaviors. We discuss different allocentric versus egocentric mechanisms for coding of target directional selectivity in memory (inferior temporal gyrus versus superior occipital gyrus) and distinguish these mechanisms from parieto-frontal activation for planning egocentric direction of actual reach movements. Then, we consider where and how the former allocentric representations of remembered reach targets are converted into the latter egocentric plans. In particular, our recent neuroimaging study suggests that four areas in the parietal and frontal cortex (right precuneus, bilateral dorsal premotor cortex, and right presupplementary area) participate in this allo-to-ego conversion. Finally, we provide a functional overview describing how and why egocentric and landmark-centered representations are segregated early in the visual system, but then reintegrated in the parieto-frontal cortex for action.
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Affiliation(s)
- Ying Chen
- Center for Neuroscience Studies, Queen's University, Kingston, Ontario, Canada.,Canadian Action and Perception Network (CAPnet), Toronto, Ontario, Canada
| | - J Douglas Crawford
- Canadian Action and Perception Network (CAPnet), Toronto, Ontario, Canada.,Center for Vision Research, Vision: Science to Applications (VISTA) Program, and Departments of Psychology, Biology, and Kinesiology & Health Science, York University, Toronto, Ontario, Canada
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Marigold DS, Lajoie K, Heed T. No effect of triple-pulse TMS medial to intraparietal sulcus on online correction for target perturbations during goal-directed hand and foot reaches. PLoS One 2019; 14:e0223986. [PMID: 31626636 PMCID: PMC6799897 DOI: 10.1371/journal.pone.0223986] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2019] [Accepted: 10/02/2019] [Indexed: 11/30/2022] Open
Abstract
Posterior parietal cortex (PPC) is central to sensorimotor processing for goal-directed hand and foot movements. Yet, the specific role of PPC subregions in these functions is not clear. Previous human neuroimaging and transcranial magnetic stimulation (TMS) work has suggested that PPC lateral to the intraparietal sulcus (IPS) is involved in directing the arm, shaping the hand, and correcting both finger-shaping and hand trajectory during movement. The lateral localization of these functions agrees with the comparably lateral position of the hand and fingers within the motor and somatosensory homunculi along the central sulcus; this might suggest that, in analogy, (goal-directed) foot movements would be mediated by medial portions of PPC. However, foot movement planning activates similar regions for both hand and foot movement along the caudal-to-rostral axis of PPC, with some effector-specificity evident only rostrally, near the central regions of sensorimotor cortex. Here, we attempted to test the causal involvement of PPC regions medial to IPS in hand and foot reaching as well as online correction evoked by target displacement. Participants made hand and foot reaches towards identical visual targets. Sometimes, the target changed position 100–117 ms into the movement. We disturbed cortical processing over four positions medial to IPS with three pulses of TMS separated by 40 ms, both during trials with and without target displacement. We timed TMS to disrupt reach execution and online correction. TMS did not affect endpoint error, endpoint variability, or reach trajectories for hand or foot. While these negative results await replication with different TMS timing and parameters, we conclude that regions medial to IPS are involved in planning, rather than execution and online control, of goal-directed limb movements.
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Affiliation(s)
- Daniel S. Marigold
- Department of Biomedical Physiology and Kinesiology, Simon Fraser University, Burnaby, British Columbia, Canada
| | - Kim Lajoie
- Department of Biomedical Physiology and Kinesiology, Simon Fraser University, Burnaby, British Columbia, Canada
| | - Tobias Heed
- Biopsychology and Cognitive Neuroscience, Faculty of Psychology and Sports Science, Bielefeld University, Bielefeld, Germany
- Center of Excellence Cognitive Interaction Technology, Bielefeld University, Bielefeld, Germany
- * E-mail:
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47
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Karl JM, Slack BM, Wilson AM, Wilson CA, Bertoli ME. Increasing task precision demands reveals that the reach and grasp remain subject to different perception-action constraints in 12-month-old human infants. Infant Behav Dev 2019; 57:101382. [PMID: 31580995 DOI: 10.1016/j.infbeh.2019.101382] [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: 07/03/2018] [Revised: 07/29/2019] [Accepted: 09/16/2019] [Indexed: 11/19/2022]
Abstract
The reach and grasp follow different developmental trajectories, but are often considered to have achieved nearly adult-like precision and integration by 12 months of age. This study used frame-by-frame video analysis to investigate whether increasing precision demands, by placing small reaching targets on a narrow pedestal rather than on a flat table, would influence the reach and grasp movements of 12-month-old infants in a complementary or differential fashion. The results reveal that placing the target atop a pedestal impaired the infants's ability to direct an appropriate digit towards the small target, but did not produce a corresponding decrease in the frequency with which they used an index-thumb pincer grip to grasp the target. This was due to the fact that, although infants were more likely to contact the target with a suboptimal part of the hand in the pedestal condition, a greater proportion of these suboptimal contacts ultimately transitioned to a successful index-thumb pincer grip. Thus, increasing task precision demands impaired reach accuracy, but facilitated index-thumb grip formation, in 12-month-old infants. The differential response of the reach and grasp to the increased precision demands of the pedestal condition suggests that the two movements are not fully integrated and, when precision demands are great, remain sensitive to different perception-action constraints in 12-month-old infants.
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Affiliation(s)
- Jenni M Karl
- Department of Psychology, Thompson Rivers University, Kamloops, BC, Canada.
| | - Braydon M Slack
- Department of Psychology, Thompson Rivers University, Kamloops, BC, Canada
| | - Alexis M Wilson
- Department of Psychology, Thompson Rivers University, Kamloops, BC, Canada
| | | | - Marisa E Bertoli
- Department of Psychology, Thompson Rivers University, Kamloops, BC, Canada
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Blohm G, Alikhanian H, Gaetz W, Goltz H, DeSouza J, Cheyne D, Crawford J. Neuromagnetic signatures of the spatiotemporal transformation for manual pointing. Neuroimage 2019; 197:306-319. [DOI: 10.1016/j.neuroimage.2019.04.074] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2018] [Revised: 03/28/2019] [Accepted: 04/27/2019] [Indexed: 11/29/2022] Open
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49
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Valyear KF, Mattos D, Philip BA, Kaufman C, Frey SH. Grasping with a new hand: Improved performance and normalized grasp-selective brain responses despite persistent functional changes in primary motor cortex and low-level sensory and motor impairments. Neuroimage 2019; 190:275-288. [PMID: 28964930 PMCID: PMC5874165 DOI: 10.1016/j.neuroimage.2017.09.052] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2017] [Revised: 09/02/2017] [Accepted: 09/24/2017] [Indexed: 01/26/2023] Open
Abstract
Hand loss can now be reversed through surgical transplantation years or decades after amputation. Remarkably, these patients come to use their new hand to skilfully grasp and manipulate objects. The brain mechanisms that make this possible are unknown. Here we test the hypothesis that the anterior intraparietal cortex (aIPC) - a multimodal region implicated in hand preshaping and error correction during grasping - plays a key role in this compensatory grasp control. Motion capture and fMRI are used to characterize hand kinematics and brain responses during visually guided grasping with a transplanted hand at 26 and 41 months post-transplant in patient DR, a former hand amputee of 13 years. Compared with matched controls, DR shows increasingly normal grasp kinematics paralleled by increasingly robust grasp-selective fMRI responses within the very same brain areas that show grasp-selectivity in controls, including the aIPC, premotor and cerebellar cortices. Paradoxically, over this same time DR exhibits significant limitations in basic sensory and motor functions, and persistent amputation-related functional reorganization of primary motor cortex. Movements of the non-transplanted hand positively activate the ipsilateral primary motor hand area - a functional marker of persistent interhemispheric amputation-related reorganization. Our data demonstrate for the first time that even after more than a decade of living as an amputee the normative functional brain organization governing the control of grasping can be restored. We propose that the aIPC and interconnected premotor and cerebellar cortices enable grasp normalization by compensating for the functional impact of reorganizational changes in primary sensorimotor cortex and targeting errors in regenerating peripheral nerves.
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Affiliation(s)
- Kenneth F Valyear
- School of Psychology, Bangor University, Bangor, UK; Department of Psychological Sciences, University of Missouri, Columbia, MO, USA.
| | - Daniela Mattos
- Department of Psychological Sciences, University of Missouri, Columbia, MO, USA
| | - Benjamin A Philip
- Department of Psychological Sciences, University of Missouri, Columbia, MO, USA
| | | | - Scott H Frey
- Department of Psychological Sciences, University of Missouri, Columbia, MO, USA.
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50
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Allart E, Devanne H, Delval A. Contribution of transcranial magnetic stimulation in assessing parietofrontal connectivity during gesture production in healthy individuals and brain-injured patients. Neurophysiol Clin 2019; 49:115-123. [DOI: 10.1016/j.neucli.2018.12.005] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2018] [Revised: 12/14/2018] [Accepted: 12/17/2018] [Indexed: 01/30/2023] Open
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