Neural correlates of cognitive motor signals in primary somatosensory cortex.
Jaffari, M.; Aflalo, T.; Chivukula, S.; Kellis, S.; Armenta Salas, M.; Norman, S.; Pejsa, K.; Liu, C.; Andersen, R. A.
Show abstract
Classical systems neuroscience positions primary sensory areas as early feed-forward processing stations for refining incoming sensory information. This view may oversimplify their role given extensive bi-directional connectivity with multimodal cortical and subcortical regions. Here we show that single units in human primary somatosensory cortex encode imagined reaches centered on imagined limb positions in a cognitive motor task. This result suggests a broader role of primary somatosensory cortex in cortical function than previously demonstrated.
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