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Pathway-specific plasticity in the human spinal cord

Leukel, Christian ; Taube, Wolfgang ; Beck, Sandra ; Schubert, Martin

In: European Journal of Neuroscience, 2012, vol. 35, no. 10, p. 1622-1629

The aim of the present study was to artificially induce plasticity in the human spinal cord and evaluate whether this plasticity is pathway specific. For this purpose, a technique called paired associative stimulation (PAS) was applied. Volleys evoked by transcranial magnetic stimulation over the primary motor cortex and peripheral nerve stimulation of the nervus tibialis in the popliteal...

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Evidence that the cortical motor command for the initiation of dynamic plantarflexion consists of excitation followed by inhibition

Taube, Wolfgang ; Lundbye-Jensen, Jesper ; Schubert, Martin ; Gollhofer, Albert ; Leukel, Christian

In: PLoS ONE, 2011, vol. 6, no. 10, p. e25657

At the onset of dynamic movements excitation of the motor cortex (M1) is spatially restricted to areas representing the involved muscles whereas adjacent areas are inhibited. The current study elucidates whether the cortical motor command for dynamic contractions is also restricted to a certain population of cortical neurons responsible for the fast corticospinal projections. Therefore,...

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