Which of the following is a primary reason for the lowered brain volume of older adults compared with that of younger adults?

lower number of neurons
increased length and complexity of axons
lower numbers of synapses
increased growth of dendrites


lower numbers of synapses

Psychology

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For which group(s) is there a strong association between overeating and being in a bad mood?

a. Only adults with binge eating disorders b. Both adults with binge eating disorders and adults who binge eat (but not those with clinical disorders) c. Only adults who binge eat (but not those with clinical disorders) d. Adults with binge eating disorders, adults who binge eat (but do not have clinical disorders), and adults who do not binge eat

Psychology

The analogical reasoning tested by Chen and colleagues in their "pull on a toy string" experiment drew upon

a. semantic similarity of words. b. perceptual similarity among objects. c. auditory similarity among sounds. d. relational similarity.

Psychology

The complex action and thought required for many elements of expert performance become ______ and appear nonconscious

Fill in the blank with correct word

Psychology

Research has found that higher levels of _________ in the blood actually act to inhibit eating

a. serotonin b. leptin c. norepinephrine d. thyroxin

Psychology