Researchers have discovered that the dorsal premotor cortex serves a 'meta-learning' function, overseeing and regulating physical movements. Once believed to be limited to movement planning, this ...
David A. Leopold is in the Section on Cognitive Neurophysiology and Imaging, National Institute of Mental Health, Bethseda, Maryland 20814, USA. In the 1930s, the neurosurgeon Wilder Penfield ...