A string of Christmas lights turns on and off one after another but is perceived as a
moving light. This perception is known as
a. motion parallax.
b. the phi phenomenon.
c. saccadic movement.
d. the Doppler effect.
e. illusory conjunction.
b. the phi phenomenon.
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Glutamate is an excitatory neurotransmitter that researchers suspect might be involved in schizophrenia because __________.
A. it makes dopamine B. it causes the ventricles to enlarge C. it is missing in the brains of people with schizophrenia D. alterations in glutamate levels can produce schizophrenic-like symptoms in normal subjects
In controlled settings where male and female participants were exposed to aggression-evoking stimuli,
a. both were equally likely to be directly aggressive. b. women were more likely to be indirectly aggressive. c. women were more likely to be verbally aggressive. d. there were cultural differences in type of aggressive behavior of each gender.
Which of the following is considered a primary sex characteristic?
A. breast development B. growth of body hair C. deepening of the voice D. onset of menstruation
Through the centuries, mental illness has always been defined:
a. relative to the experiences of an average person b. as a disease c. by trained professionals d. as criminal behavior