According to the text, neurons in a newborn's brain have on average about __________ synapses. By age 2 or 3, the number is about __________ synapses
a. 100,000; one million
b. one million, 100 billion
c. 2,500; 15,000
d. 15,000; 2,500
c
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A nonrandom association between inborn propensities and environmental experience is referred to as the __________ correlation
Genetics maybe?
The hormone associated with aggression seems to be __________.
A. testosterone B. estrogen C. MDH D. peptone
If Jose drinks one cup of coffee in the afternoon, he will have difficulty falling asleep at night. Jose is also more easily annoyed than other people when someone nearby plays loud music. Jose could probably be classified as
A. an extravert. B. an introvert. C. neurotic. D. psychotic.
According to Ekman's research on facial expressions ________
a. when people try to hide their feelings with an inauthentic expression, they use different groups of muscles than they do for authentic emotions. b. authentic smiles last ten seconds or more, whereas false smiles last only about two seconds. c. when trying to feign sadness, only about 60 percent of people manage to get the eyebrows, eyelids, and forehead wrinkle exactly right. d. there is little support for Darwin's evolutionary theory that certain human facial expressions are innate.