PROFESSIONAL PRACTICE OF
PSYCHOLOGY QUESTIONS WITH
CORRECT ANSWERS
Paul Broca - Answer-studied communication deficits linked to specific brain areas
Franz Joseph Gall - Answer-phrenology: anatomy suggests functional differences
Pierre Flourens - Answer-concluded behavior control was spread widely across the
cortex
Hitzig & Fritsch - Answer-animal brain stimulation creates motor activity
Bartholow - Answer-human brain stimulation creates motor activity
Ferrier - Answer-mapped sensory and motor functions of brain
Leonardo da Vinci - Answer-dissected cadavers, drawings of the brain, interested in
perception, understanding vision, strong interest in emotional expression
Andreas Vesalius - Answer-The Fabric of the Human Body; described human brain in
new level of detail
Bell-Magendie Law - Answer-Afferent (Dorsal) Nerve and Efferent (Ventral) Nerve
Muller - Answer-each sensory nerve carries only one type of information
Afferent (Dorsal) Nerve - Answer-carries messages toward the brain and spinal cord
Efferent (Ventral) Nerve - Answer-carries messages away from the brain and spinal
cord; motor nerve
Helmhotz - Answer-measured speed of nerve conductance
Young-Helmholtz trichromatic theory - Answer-the theory that the retina contains three
different color receptors—one most sensitive to red, one to green, one to blue—which,
when stimulated in combination, can produce the perception of any color.
Opponent Process Theory - Answer-the theory that opposing retinal processes (red-
green, yellow-blue, white-black) enable color vision. For example, some cells are