Repetition-Induced Plasticity of Motor Representations of Action Sounds

  title={Repetition-Induced Plasticity of Motor Representations of Action Sounds},
  author={Nathalie M.-P. Bourquin and Alexandre Simonin and Stephanie Clarke},
  journal={Brain Topography},
Action-related sounds are known to increase the excitability of motoneurones within the primary motor cortex (M1), but the role of this auditory input remains unclear. We investigated repetition priming-induced plasticity, which is characteristic of semantic representations, in M1 by applying transcranial magnetic stimulation pulses to the hand area. Motor evoked potentials (MEPs) were larger while subjects were listening to sounds related versus unrelated to manual actions. Repeated exposure… CONTINUE READING
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