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Premotor cortex modulates somatosensory cortex during voluntary movements without proprioceptive feedback.

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Movement perception relies on sensory feedback, but the involvement of efference copies remains unclear. We investigated movements without proprioceptive feedback using ischemic nerve block during fMRI in healthy humans, and found preserved activation of the primary somatosensory cortex. This activation was associated with increased interaction with premotor cortex during voluntary movements, which demonstrates that perception of movements relies in part on predictions of sensory consequences of voluntary movements that are mediated by the premotor cortex.
Original languageEnglish
JournalNature Neuroscience
Volume10
Issue number4
Pages (from-to)417-9
Number of pages2
ISSN1097-6256
DOIs
Publication statusPublished - 2007

    Research areas

  • Adult, Brain Mapping, Electrocardiography, Evoked Potentials, Somatosensory, Feedback, Female, Humans, Image Processing, Computer-Assisted, Linear Models, Male, Motor Cortex, Movement, Oxygen, Photic Stimulation, Psychomotor Performance, Somatosensory Cortex

ID: 32530552