actual body—the foot is connected to the leg is connected to the
hip is connected to the torso is connected to the neck is connected
to the shoulder is connected to the arm is connected to the hand is
connected to the fingers. However, there are also some differences be-
tween the cortical map and actual body topography. For one, there are
several significant discontinuities. On the cortical map the genitals
are located at one end next to the foot rather than (or, in addition to)
near the center of the body, between the leg and the torso. The face is
separated off from the rest of the body rather than being represented
as attached to the neck. And the tongue is separated off from the face.
1Figure 16.4. Frontal section through one hemisphere of the anterior parietal
lobe, showing the somatosensory map. Following Penfield, the drawing of the
figure draped over the surface of the brain gives an approximation of the pro-