A gray card in sunlight looks darker than a white card in the shade. This is an example of
a. brightness constancy.
b. form constancy.
c. habituation.
d. counterbalancing.
e. the phi phenomenon.
a. brightness constancy.
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After you have thoroughly adapted to extremely dim light, which of these occurs? a. The objects you see seem more familiar than usual. b. Colors seem more distinct than usual
c. You see best in the periphery of your retina. d. You see best in the fovea.
Concerns about health would be of most importance to someone with __________.
A. conversion disorder B. dissociative identity disorder C. illness anxiety disorder D. schizophrenia
The human brain appears extremely wrinkled when closely examined. These folds ____.?
a. ?are purely cosmetic and have no actual purpose b. ?are byproducts of old age; normal adults' brains are smooth c. ?act as a shock-absorption device, preventing neural damage d. ?allow a greater surface area of cortex to be included in the skull
When driving at night, it is more difficult to see if the driver of an oncoming car does not
dim the high beams because a. bright light directed at the fovea reduces visual acuity. b. the number of intact rods is reduced in the dark. c. bright light bleaches the molecules of photopigments faster than regeneration can occur. d. there are too many intact rhodopsin molecules, so the eyes do not respond immediately to bright light. e. the difference between regular and high beam lights is almost twice the jnd for brightness.