The human brain, as the seat of mental life—from the most complicated intellectual processes down to routine and unconscious bodily control—is necessarily enormously complex. The largest part ...

Wilder Penfield, a pioneering brain surgeon, mapped the motor cortex using mild electric current ... Penfield applied electric currents to the surface of patients' brains in order to find problem ...

The human brain contains ... certain parts of the prefrontal cortex, different brain layers show distinctive patterns of ...

Figure 1: Topography of color-selective activity in human visual cortex ... V4v and V8 have separate foveal representations, approximately 3.5 cm apart along the cortical surface.

These two hemispheres make up the cerebral cortex. This controls most of our senses, intelligence, personality, conscious thought and high-level functions, such as language and verbal memory.