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Effects of Complex Movement on the Excitability of the Ipsilateral Primary Motor Cortex and Spinal Motoneurons Contralateral to the Movement: A Comparison of Ball Rotation and Grasping Tasks with Equivalent Muscle Activity. [PDF]

Brain Sci
Kosuge R, Sukegawa T, Akaiwa M, Shibata E, Kurokawa R, Sugawara Y, Kudoh S, Matsuda Y, Saito H, Sasaki T, Sugawara K.   +10 more
europepmc   +1 more source

Rapid BOLD fMRI signal loss in the primary motor cortex of a stroke patient

, 2008
Leila Fernandes dos Santos, Octávio Marques Pontes‐Neto, João Pereira Leite, Antônio C. Santos, Dráulio Barros de Araújo   +4 more
openalex   +1 more source

Initial and corrective submovement encoding differences within primary motor cortex during precision reaching.

J Neurophysiol
Schwartze KC, Lee WH, Rouse AG.
europepmc   +1 more source

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Plasticity and Primary Motor Cortex

Annual Review of Neuroscience, 2000
One fundamental function of primary motor cortex (MI) is to control voluntary movements. Recent evidence suggests that this role emerges from distributed networks rather than discrete representations and that in adult mammals these networks are capable of modification.
J N, Sanes, J P, Donoghue
openaire   +2 more sources

Primary motor cortex isolation: complete paralysis with preserved primary motor cortex

Journal of the Neurological Sciences, 1998
We present a left-sided hemiplegic patient with a cerebrovascular lesion involving the medial part of the right frontal and parietal lobes and the corpus callosum, but sparing the hand area of right primary motor cortex (M1). Several studies using transcranial magnetic stimulation demonstrated functional integrity of the efferent pathways from the ...
K, Sakai, E, Kojima, M, Suzuki, Y, Ugawa, Y, Terao, R, Hanajima, I, Kanazawa   +6 more
openaire   +2 more sources

The human primary motor cortex

Neurology, 1996
To the Editor: Rao et al.1 used functional magnetic resonance imaging (fMRI) to map the somatotopic organization of the human primary motor cortex. Eight neurologically intact right-handed subjects performed voluntary movements of the hand, arm, and foot while undergoing echo-planar imaging.
Anne L. Foundas, Kim Hong, Christiana M. Leonard, Kenneth M. Heilman   +3 more
openaire   +2 more sources

Somatotopy in the ipsilateral primary motor cortex

NeuroReport, 2002
Conflicting reports exist about the occurrence, reliability and localization of activation in the ipsilateral primary motor cortex (M1). We re-examined this issue with functional magnetic resonance imaging in 12 volunteers performing right hand, finger, wrist, elbow, foot and tongue movements in two separate sessions.
Hatem, Alkadhi, Gerard R, Crelier, Sabina Hotz, Boendermaker, Marie-Claude, Hepp-Reymond, Spyros S, Kollias   +4 more
openaire   +2 more sources

Postnatal Development of the Motor Representation in Primary Motor Cortex

Journal of Neurophysiology, 2000
The purpose of this study was to examine when the muscles and joints of the forelimb become represented in primary motor cortex (M1) during postnatal life and how local representation patterns change. We examined these questions in cats that were anesthetized (45–90 days, n = 14; adults, n = 3) and awake ( n = 4; 52–86 days).
S, Chakrabarty, J H, Martin
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Primary motor cortex hyperexcitability in Fabry’s disease

Clinical Neurophysiology, 2013
Involvement of pyramidal cells and/or changes in excitability of brain areas remote from an ischemic stroke has been demonstrated. Since in Fabry disease (FD), specific cerebrovascular lesions are present, we thought to investigate motor cortex excitability, using transcranial magnetic stimulation.Resting (RMT) and active (AMT) motor threshold, input ...
Ortu E, Fancellu L, Sau G, Falchi P, Traccis S, PES, Giovanni Mario, GANAU, Antonello, SECHI, Gianpietro   +7 more
openaire   +2 more sources