What factors tend to increase the severity of the symptoms of jet lag?
a) long flights and north-to-south travel
b) long flights and south-to-north travel
c) crossing many time zones and west-to-east travel
d) crossing many time zones and east-to-west travel
C
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Jennifer is trying to put together a jigsaw puzzle. Since she has no idea what the completed picture is supposed to be, she has to rely on the shapes and colours of the individual pieces to create and understand the whole picture. We can refer to her efforts to combine individual elements of the puzzle into a unified whole as
a) perceptual organization. b) top-down processing. c) bottom-up processing. d) selective attention.
Addictive drugs, such as heroin, that dull the senses and induce feelings of euphoria, well-being, and relaxation are ______
a. barbiturates c. anti-psychotic drugs b. opiates d. hallucinogens