Journal ArticleDOI
The Role of Primary Motor Cortex: More Than Movement Execution.
Sagarika Bhattacharjee,Rajan Kashyap,Turki Abualait,Shen-Hsing Annabel Chen,Woo-Kyoung Yoo,Shahid Bashir,Shahid Bashir +6 more
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TLDR
The purpose of the review is to highlight the additional role of M1 in motor cognition besides motor control, which remains unexplored.Abstract:
The predominant role of the primary motor cortex (M1) in motor execution is well acknowledged. However, additional roles of M1 are getting evident in humans owing to advances in noninvasive brain stimulation (NIBS) techniques. This review collates such studies in humans and proposes that M1 also plays a key role in higher cognitive processes. The review commences with the studies that have investigated the nature of connectivity of M1 with other cortical regions in light of studies based on NIBS. The review then moves on to discuss the studies that have demonstrated the role of M1 in higher cognitive processes such as attention, motor learning, motor consolidation, movement inhibition, somatomotor response, and movement imagery. Overall, the purpose of the review is to highlight the additional role of M1 in motor cognition besides motor control, which remains unexplored.read more
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Neurophysiological effects in cortico-basal ganglia-thalamic circuits of antidyskinetic treatment with 5-HT1A receptor biased agonists
Ivani Brys,Pär Halje,Robson Scheffer-Teixeira,Mark A. Varney,Adrian Newman-Tancredi,Per Petersson,Per Petersson +6 more
TL;DR: Investigation of changes in the spectral contents of local field potentials in cortico‐basal ganglia‐thalamic circuits following treatment with this novel group of 5‐HT1A agonists suggests that the common antidyskinetic effects of these drugs may be chiefly attributable to a reversal of the brain state characterized by 80Hz gamma oscillations.
Journal ArticleDOI
Single-Trial Kernel-Based Functional Connectivity for Enhanced Feature Extraction in Motor-Related Tasks
TL;DR: In this article, a kernel-based functional connectivity measure was proposed to deal with inter/intra-subject variability in motor-related tasks by extracting the functional connectivity between EEG channels through their Gaussian kernel cross-spectral distribution.
Journal ArticleDOI
An fMRI study of scientists with a Ph.D. in physics confronted with naive ideas in science.
Geneviève Allaire-Duquette,Lorie-Marlène Brault Foisy,Patrice Potvin,Martin Riopel,Marilyne Larose,Steve Masson +5 more
TL;DR: For instance, this article found that high school and university students activate frontal brain areas associated with inhibitory control to overcome naive ideas in science, probably because they persist despite scientific training.
Journal ArticleDOI
i-SATA: A MATLAB based toolbox to estimate current density generated by transcranial direct current stimulation in an individual brain.
Rajan Kashyap,Sagarika Bhattacharjee,Ramaswamy Arumugam,Kenichi Oishi,John E. Desmond,Annabel Shen-Hsing Chen +5 more
TL;DR: Researchers can use individual-SATA (-SATA) to extend it to individual head for customizing tDCS-montages and provide estimates of the current-density induced across an individual's cortical lobes and gyri as tested on images from two different scanners.
Journal ArticleDOI
Repetitive Transcranial Magnetic Stimulation in the Treatment of Alzheimer's Disease and Other Dementias.
Athina-Maria Aloizou,Georgia Pateraki,Konstantinos Anargyros,Vasileios Siokas,Christos Bakirtzis,Markos Sgantzos,Lambros Messinis,Grigorios Nasios,Eleni Peristeri,Dimitrios P. Bogdanos,Triantafyllos Doskas,Georgios Tzeferakos,Efthimios Dardiotis +12 more
TL;DR: A review of the available studies involving repetitive transcranial magnetic stimulation (rTMS) in the treatment of these dementia types is presented in this paper, where the majority of studies have involved AD and shown beneficial effects, either as a standalone, or as an add-on to standard of care pharmacological treatment and cognitive training.
References
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Journal ArticleDOI
Action recognition in the premotor cortex
TL;DR: It is proposed that mirror neurons form a system for matching observation and execution of motor actions, similar to that of mirror neurons exists in humans and could be involved in recognition of actions as well as phonetic gestures.
Journal ArticleDOI
Premotor cortex and the recognition of motor actions.
TL;DR: It is suggested that the development of the lateral verbal communication system in man derives from a more ancient communication system based on recognition of hand and face gestures.
Research report Premotor cortex and the recognition of motor actions
TL;DR: In the monkey premotor cortex there are neurons that discharge both when the monkey performs an action and when he observes a similar action made by another monkey or by the experimenter as mentioned in this paper.
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Somatic motor and sensory representation in the cerebral cortex of man as studied by electrical stimulation
Wilder Penfield,Edwin Boldrey +1 more
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Theta Burst Stimulation of the Human Motor Cortex
Ying-Zu Huang,Ying-Zu Huang,Mark J. Edwards,Elisabeth Rounis,Kailash P. Bhatia,John C. Rothwell +5 more
TL;DR: A very rapid method of conditioning the human motor cortex using rTMS that produces a controllable, consistent, long-lasting, and powerful effect on motor cortex physiology and behavior after an application period of only 20-190 s is described.