Chapter 4 QuizChapter 4 Quiz

Sensation and PerceptionSensation and Perception

Don’t forget to write your answers on a Don’t forget to write your answers on a separate piece of paper to grade when you’re separate piece of paper to grade when you’re

done!done!

1. Mechanical energy of vibrations is transduced 1. Mechanical energy of vibrations is transduced to the electrochemical energy of neural to the electrochemical energy of neural impulses at theimpulses at the

a) retinaa) retina

b) lensb) lens

c) cochleac) cochlea

d) olfactory mucosad) olfactory mucosa

2. Color blindness and color afterimages are 2. Color blindness and color afterimages are best explained by what theory of color vision?best explained by what theory of color vision?

a) trichromatic theorya) trichromatic theory

b) opponent-process theoryb) opponent-process theory

c) dichromatic theoryc) dichromatic theory

d) binocular disparity theoryd) binocular disparity theory

3. You are shown a picture of your grandfather’s face, 3. You are shown a picture of your grandfather’s face, but the eyes and mouth are blocked out. You still but the eyes and mouth are blocked out. You still recognize it as a picture of your grandfather. What recognize it as a picture of your grandfather. What type of processing best explains this example of type of processing best explains this example of perception?perception?a) bottom-up processinga) bottom-up processingb) signal detection theoryb) signal detection theoryc) top-down processingc) top-down processingd) opponent-process theoryd) opponent-process theory

4. On its way to the cones and rods of the eye, 4. On its way to the cones and rods of the eye, (in order) light passes through the(in order) light passes through the

a) cornea, vitreous humor, lens, iris, a) cornea, vitreous humor, lens, iris, aqueous humor aqueous humorb) sclera, lens, pupil, iris, vitreous humorb) sclera, lens, pupil, iris, vitreous humorc) cornea, aqueous humor, pupil, lens, c) cornea, aqueous humor, pupil, lens, vitreous humor vitreous humord) sclera, aqueous humor, lens, iris, d) sclera, aqueous humor, lens, iris, aqueous humor, fovea aqueous humor, fovea

5. Neural impulses go directly to the cortex 5. Neural impulses go directly to the cortex without passing through the thalamus from without passing through the thalamus from receptors in thereceptors in the

a) retinaa) retina

b) jointsb) joints

c) cochleac) cochlea

d) olfactory epitheliumd) olfactory epithelium

6. Of the following, which is not a basic taste?6. Of the following, which is not a basic taste?

a) sweeta) sweet

b) saltyb) salty

c) pepperyc) peppery

d) bitterd) bitter

7. Receptors for kinesthesis are located in the7. Receptors for kinesthesis are located in the

a) retinaa) retina

b) jointsb) joints

c) semicircular canalsc) semicircular canals

d) olfactory epitheliumd) olfactory epithelium

8. Carlos was just able to perceive a difference in 8. Carlos was just able to perceive a difference in weight when Maria removed two of the 50 jelly beans weight when Maria removed two of the 50 jelly beans from his plastic bag. It is most likely that if Carlos from his plastic bag. It is most likely that if Carlos had the jumbo bag of 100 jelly beans, the smallest had the jumbo bag of 100 jelly beans, the smallest number of jelly beans he could notice removed would number of jelly beans he could notice removed would bebe

a) 2a) 2b) 4b) 4c) 8c) 8d) 16d) 16

9. Subliminal means9. Subliminal means

a) below thresholda) below threshold

b) barely perceptibleb) barely perceptible

c) deceptivec) deceptive

d) superimposedd) superimposed

10. The theory that best accounts for the 10. The theory that best accounts for the experience of pain is the experience of pain is the

a) opponent-process theorya) opponent-process theory

b) Weber’s lawb) Weber’s law

c) trichromatic theoryc) trichromatic theory

d) gate-control theoryd) gate-control theory

11. Which sense is 11. Which sense is least least involved in enabling involved in enabling you to maintain your balance when you stand you to maintain your balance when you stand on one foot?on one foot?

a) kinesthesisa) kinesthesis

b) olfactionb) olfaction

c) visionc) vision

d) vestibular sensed) vestibular sense

12. The amount of light entering the eye is 12. The amount of light entering the eye is regulated by changes in the size of theregulated by changes in the size of the

a) pupila) pupil

b) lensb) lens

c) corneac) cornea

d) retinad) retina

13. A perceptual set implies that13. A perceptual set implies thata) people often see what they expect to seea) people often see what they expect to seeb) visual perception is based on a bottom-b) visual perception is based on a bottom- up processing strategy up processing strategyc) feature analysis is a “hard-wired” c) feature analysis is a “hard-wired” process processd) the focused-attention stage of processing d) the focused-attention stage of processing is often overridden by preattentive is often overridden by preattentive processes processes

14. The rods and cones are to vision as the taste 14. The rods and cones are to vision as the taste buds are tobuds are to

a) olfactiona) olfaction

b) kinesthesiab) kinesthesia

c) gustationc) gustation

d) flavationd) flavation

15. The two major cues we use to localize sound 15. The two major cues we use to localize sound sources in space aresources in space are

a) distance and loudnessa) distance and loudness

b) intensity and timing differences at the b) intensity and timing differences at the ears ears

c) pitch and loudness differences at the c) pitch and loudness differences at the earsears

d) loudness and timbre differences at the d) loudness and timbre differences at the ears ears

Chapter 4 Answer KeyChapter 4 Answer Key

1. C1. C

2. B2. B

3. C3. C

4. C4. C

5. D5. D

6. C6. C

7. B7. B

8. B8. B

9. A9. A

10. D10. D

11. B11. B

12. A12. A

13. A13. A

14. C14. C

15. B15. B

Essay Question Possibilities!!Essay Question Possibilities!!

One of the following essay questions will One of the following essay questions will appear on your test, be familiar with all of appear on your test, be familiar with all of them!!them!!

Essay Question # 1Essay Question # 1

Use appropriate examples from everyday Use appropriate examples from everyday situations to illustrate the basic concepts from situations to illustrate the basic concepts from signal-detection theory.signal-detection theory.

Essay Question # 2Essay Question # 2

From a distal light source to the brain, From a distal light source to the brain, sequentially trace a visual stimulus thorugh the sequentially trace a visual stimulus thorugh the eye and nervous system.eye and nervous system.

Essay Question # 3Essay Question # 3

Provide an overview of the trichromatic and Provide an overview of the trichromatic and opponent process theories of color vision, and opponent process theories of color vision, and resolve the “debate” between the two.resolve the “debate” between the two.

Essay Question # 4Essay Question # 4

Provide an overview of the place and Provide an overview of the place and frequency theories of pitch perception, and frequency theories of pitch perception, and resolve the “debate” between the two.resolve the “debate” between the two.

Essay Question # 5Essay Question # 5

Compare vision and hearing with regard to the Compare vision and hearing with regard to the proximal stimulus and information processing proximal stimulus and information processing for each sense.for each sense.

Essay Question # 6Essay Question # 6

Using appropriate examples, show how Using appropriate examples, show how perceptual experiences can be subjective.perceptual experiences can be subjective.

Good Luck!Good Luck!

Make sure to double check all of your answers Make sure to double check all of your answers and study them for the upcoming exam. and study them for the upcoming exam. Remember, AT LEAST FIVE of the questions Remember, AT LEAST FIVE of the questions from this quiz will make some sort of from this quiz will make some sort of appearance on the chapter test along with one appearance on the chapter test along with one of the essay questions.of the essay questions.

Take advantage of this study guide and good Take advantage of this study guide and good luck on your test!luck on your test!