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Which theory suggests that input from touch fibers competes with input from pain receptors, possibly preventing pain messages from reaching the brain?


A) gate theory
B) auxiliary theory
C) obstruction theory
D) buffer theory

E) B) and C)
F) All of the above

Correct Answer

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Which structure of the eye is responsible for detecting light? ​


A) pupil
B) iris
C) retina
D) cornea

E) All of the above
F) None of the above

Correct Answer

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Noel has perfect pitch, which means that she can name any musical tone that she hears. Compared with other people, Noel is likely to have ____. ​


A) areas of her left hemisphere that are larger
B) areas of her right hemisphere that are larger
C) less white matter
D) more white matter

E) A) and D)
F) A) and B)

Correct Answer

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Marcella gets up early, turns on the light in the bathroom, and watches herself in the mirror as the blue ring of her eyes constrict. What is this blue ring called? ​


A) pupil
B) iris
C) retina
D) cornea

E) A) and D)
F) None of the above

Correct Answer

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Professor Radcliffe prepares an exam for her Sensation and Perception class. In a rush, she writes: Proivde the corrcet answres for the following questoins . While quickly proofreading the exam, she misses her mistakes. What caused this oversight? ​


A) bottom-up processing
B) top-down processing
C) outward-in processing
D) inward-out processing

E) C) and D)
F) A) and C)

Correct Answer

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While attempting to overcome writer's block, Devin stares at her yellow, green, and white striped journal. When she finally returns to her blank computer screen, she sees a blue, red, and black striped afterimage. Which theory best explains the afterimage that Devin sees? ​


A) negative illusion theory
B) excitation emission theory
C) trichromatic theory
D) opponent process theory

E) None of the above
F) B) and C)

Correct Answer

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The best term to describe how the monocular depth cue of occlusion works would be ________. ​


A) continuity
B) parallel
C) overlapping
D) perpendicularity

E) C) and D)
F) B) and C)

Correct Answer

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