Explain why everyone has a blind spot in each eye
What will be an ideal response?
The rods and cones send their messages to bipolar cells, which send their messages to ganglion cells, all within the eyeball. The axons from the ganglion cells join to form the optic nerve, which exits from the eye. The point at which it exits has no room for any receptors, and is therefore blind.
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What does a cut through the upper spinal cord prevent, if anything?
a. Reflexive movements of the arms and legs b. Voluntary movements of the arms and legs c. Both reflexive and voluntary movements of the arms and legs d. Neither reflexive nor voluntary movements of the arms and legs
As Molly is cutting roses, a thorn pricks her finger, and Molly automatically withdraws her hand. This simple protective mechanism of the body is known as a(n)
a. inductor arc. b. conditioned behavior. c. neuro-conductor response. d. reflex arc.
According to some African beliefs discussed in Chapter 19,
a. human life is quite different from other forms of life b. death is wholly unlike other crises in human life c. the "living-dead" belong to another world d. the "living-dead" have no concern for those still alive e. none of these
According to Gestalt psychologists, we organize our visual field into figure and ground
Indicate whether this statement is true or false.