Exam 2 Answer Key

Exam 2 Answer Key - Your name TEST 2 Sensory and Motor...

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Your name: Version A TEST 2: Sensory and Motor Systems PSY308 Biopsychology Spring10 Prof. H.J. Lee Multiple-choice questions (2 points each) 1. According to the law of specific nerve energies, the brain tells the difference between one sensory modality and another by: a. which neurotransmitter is released. b. which neurons are active. c. the velocity of the action potentials. d. the amplitude of the action potentials. 2. In what order does visual information pass through the retina? a. photoreceptor cells, ganglion cells, bipolar cells b. ganglion cells, bipolar cells, photoreceptor cells c. photoreceptor cells, bipolar cells, ganglion cells d. bipolar cells, photoreceptor cells, ganglion cells 3. After you stare at a bright green object for a minute and look away, you see red. Which theory attempts to explain this finding? a. Young-Helmholtz theory b. trichromatic theory c. opponent-process theory d. color-constancy theory 4. Cutting the left optic nerve in front of the optic chiasm would result in blindness in ____. a. the right eye b. the left eye c. peripheral vision of both eyes d. the right visual field 5. Which of the following would most strongly excite a simple cell in the primary visual cortex? a. loud sound b. donut c. diffuse light throughout the visual field d. square picture frame 6. In the dark, the photoreceptor cells _______________. a. are hyperpolarized b. are depolarized c. fire action potentials d. all of the above
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Your name: Version A 7. Which of the following is NOT associated with color perception? a. Cones in the retina b. Cells in the magnocellular layers c. Cortical P pathway d. Cortical cytochrome oxidase blobs 8. Visual receptive fields are usually monocular. Which of the following cells break this rule? a. On-center cells b. Off-center cells c. Simple cells d. Complex cells 9. Which brain area is important for visual discrimination/object recognition? a. Middle temporal (MT) area
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This note was uploaded on 11/11/2010 for the course PSY 308 taught by Professor Jones during the Spring '08 term at University of Texas.

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Exam 2 Answer Key - Your name TEST 2 Sensory and Motor...

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