The trichromatic and opponent process theories of color vision are not in conflict because each corresponds to ________________
a) a different portion of the spectrum
b) the opposite half of perceivable colors
c) one type of color blindness
d) a different stage of visual processing
ANS: D, The trichromatic theory is concerned with what happens when light hits the cones in the retina, whereas the opponent-process theory concerns neural signals on their way to the brain.
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Dreaming occurs every night in all humans, virtually without exception. What can be inferred from this observation?
A. Dreams represent a pathway to higher consciousness. B. Some people dream early in a night's sleep, whereas others dream just before waking up in the morning. C. Dreams have symbolic meanings that are shared by all of humankind. D. REM sleep occurs every night in all humans, virtually without exception.
When Louise told her friend about a book she had just read, she was able to provide a lot of details about the last several pages. This demonstrates the
a. spaced practice effect. b. distributed practice effect. c. primacy effect. d. recency effect. e. massed versus spaced practice effect.
The amount of temporal summation depends on the rate of stimulation
a. True b. False Indicate whether the statement is true or false
The__________minimizes leakage of the electrical current being carried along the axon, thereby allowing messages to be conducted more efficiently
A) dendrite B) synapse C) myelin sheath D) glial cell column E) Select