It is estimated that approximately _____ percent of those who suffer from a debilitating mental illness in the U.S. are not receiving treatment

When men are processing navigational information (e.g., making their way through a maze), they tend to use their left hippocampal region. Women doing the same task tend to use their __________

a) ascending and lateral substantia nigra. b) anterior hypothalamus. c) right parietal and frontal cortexes. d) mortical ganglia.

Stranger wariness

a. emerges a few weeks after birth. b. provides a natural restraint against the tendency for mobile infants to wander away from familiar caregivers. c. is greater when infants are in a familiar environment. d. is not related to the stranger's behavior.