A student takes a drug that distorts perception. He holds up his hand right in front of his face. Horrified, he yells, "I have a giant hand!" Most likely the drug interfered with _________________
a) size constancy
b) shape constancy
c) brightness constancy
d) color constancy
ANS: A, The tendency to interpret an object as always being the same physical dimensions, regardless of its distance from the viewer, is known as size constancy.
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Echoic memory
a. appears to be shorter in duration than iconic memory. b. is a form of memory for repetitive sounds. c. holds about 7 unrelated items. d. retains all the sounds in a word before making it available to short-term memory. e. is actually a part of short-term memory, according to the Atkinson-Shiffrin model.
Which division of the nervous system is working when we experience unpleasant emotions?
a. nonsympathetic division of the nervous system b. sympathetic division of the nervous system c. parasympathetic division of the somatic nervous system d. central nervous system e. somatic nervous system