M
Mark Hallett
Researcher at National Institutes of Health
Publications - 1234
Citations - 136876
Mark Hallett is an academic researcher from National Institutes of Health. The author has contributed to research in topics: Transcranial magnetic stimulation & Motor cortex. The author has an hindex of 186, co-authored 1170 publications receiving 123741 citations. Previous affiliations of Mark Hallett include Government of the United States of America & Armed Forces Institute of Pathology.
Papers
More filters
Journal ArticleDOI
Effective connectivity of brain networks during self-initiated movement in Parkinson's disease.
TL;DR: Functional MRI and psychophysiological interaction methods demonstrate that the pattern of interactions of brain networks is disrupted in PD during performance of self-initiated movements, and the striatum-cortical andstriatum-cerebellar connections are weakened.
Journal ArticleDOI
Functional connectivity of cortical motor areas in the resting state in Parkinson's disease.
TL;DR: There are more connectivity changes of networks related to motor preparation and initiation than to networks of motor execution in PD, and disrupted connections indicate a lack of readiness for movement and may be partly responsible for difficulty in initiating movements in PD.
Journal ArticleDOI
Surround inhibition in human motor system.
Young H. Sohn,Mark Hallett +1 more
TL;DR: The result indicates that motor excitability related to little finger movement is suppressed at the supraspinal level during self-paced, voluntary movements of the index finger, mouth or leg, and supports the idea that SI is an organizational principle of the motor system.
Journal ArticleDOI
Hemispheric asymmetry of ipsilateral motor cortex activation during unimanual motor tasks: further evidence for motor dominance.
Ulf Ziemann,Mark Hallett +1 more
TL;DR: Hemispheric asymmetry of ipsilateral motor cortex activation either supports the idea that, in right handers, the left motor cortex is more active in ipsilaterally hand movements, or alternatively, that the leftMotor cortex exerts more effective inhibitory control over the right motor cortex than vice versa.
Reticular reflex myoclonus: aphysiological typeof humanpost-hypoxic myoclonus
TL;DR: A patient with post-hypoxic myoclonus, sensitive to therapy with 5-hydroxytryptophan and clonazepam, was subjected to detailed electrophysiological investigation.