Abstract:Activity of 98 neurons of the parietal associative cortex (PAC) and 189 supposedly aminergic brainstem neurons (dopaminergic in the substantia nigra pars compacta, noradrenergic in the /ocus ogeru/eus region, and serotonergic in the raphe nuclei) was recorded in awake cats. The animals were trained to perform a voluntary movement (pressing a pedal) not earlier than at a certain prefixed time moment. More than half of the recorded units modified their activity before the movement initiation. The PAC neurons res… Show more
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