When light from a flashlight is moved quickly back and forth on a wall in a darkened room, it can appear to observers that there is a trail of light moving across the wall, even though physically the light is only in one place at any given time. This experience is an effect of memory that occurs because of
a. a visual delay effect.
b. echoic memory.
c. persistence of vision.
d. top-down processing.
c
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A common brain change in people with dementia is due to plaques made up of certain proteins that accumulate into spaces between neurons in the brain, specifically,
a. neuritic plaques. b. fibrillatory plaques. c. dementing plaques. d. neurological plaques.
Ludwig is addicted to eating paste despite its lack of nutritional value. He hides paste under his bed, in his sock drawer, and in a hollowed-out math book, so he can eat the tasty paste whenever he wants without anyone knowing about it. Ludwig does not perceive a health problem in his paste-eating and has no intention of changing his behaviors. Ludwig is in the ____ stage of readiness for
changing health behaviors. a. ?precontemplation b. ?contemplation c. ?preparation d. ?action
An approach-avoidance conflict involves:
a. two options, neither of which are pleasurable b. two options, one positive and one negative c. one situation that has both pleasurable and disagreeable aspects d. one situation that does not cause stress
The short-term memory capacity (digit-span) in a normal adult is about:
a. 9 items. b. 7 or 8 items. c. 4 or 5 items. d. 14 or 15 items.