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 ...
In my first neuroscience course at Columbia University, I learned about the homunculus. This “little man” is depicted as an upside-down representation of the human body moving from toe to head in a ...