Researchers have found that ______ cause(s) increases in dopamine levels in the brain
a. only alcohol and opiates b. only depressants and hallucinogens
c. only opiates and stimulants
d. virtually every addictive drug
D
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An important characteristic of the connectionist approach to cognition is that
a. it handles information by processing it one step at a time. b. it first analyzes an object's shape, then its size, and finally its color. c. it can perform many operations at the same time. d. it predicts that humans perform cognitive tasks much more accurately than they actually do.
A pediatrician runs her thumbnail up the center of the foot of a two year old boy, which causes his toes to curl and his foot to withdraw. — This is a sign of what?
A) This is the Babinski reflex and is a sign of normal neurological development. B) This is the Babinski reflex and is a sign of neurological problems. C) This is the Rooting reflex and is a sign of normal neurological development. D) This is the Grasping reflex and is a sign of neurological problems.