What term did Cumming and Henry use to describe the shrinkage of social contacts and social roles in old age?

Abnormal functioning in which areas of the brain has been linked to obsessive-compulsive disorder?

a.) hypothalamus and parietal lobe b.) occipital lobe and association cortex c.) orbitofrontal cortex and the caudate nuclei d.) cerebellum and brain stem

Amarante is a percussionist in the high school band. He often hangs out with the other six guys on the drum line. These young men would be described as a

A) confabulation. B) clique. C) crowd. D) clan.