PSYC 380 Exam 2 attempt 2 125 out of 125 points

PSYC 380 Exam 2 attempt 2 125 out of 125 points 3.125 out of 3.125 points 1. What would be the likely outcome of a person who was blind at birth, and had vision restored later in life by the removal of cataracts (clouded lenses)? Selected b. Answer: Trouble describing the shapes of objects 3.125 out of 3.125 points 2. The lateral geniculate nucleus is part of the ____. Selected d. Answer: thalam us 3.125 out of 3.125 points 3. According to the Young-Helmholtz theory, what is the basis for color vision? Selected c. Answer: Three kinds of cones 3.125 out of 3.125 points 4. Astigmatism refers to the ____. Selected a. Answer: asymmetric curvature of eyes 3.125 out of 3.125 points 5. The retinas of predatory birds such as hawks ____. Selected d. Answer: have a greater density of receptors than do humans on the top half of the retina 3.125 out of 3.125 points 6. Horizontal cells receive their input from ____, and they send output to ____. Selected a. Answer: rods and cones; bipolar cells 3.125 out of 3.125 points 7. As a human, Lino is really good at detecting motion. This is because of his _____. Selected a. Answer: magnocellular neurons in the periphery 3.125 out of 3.125 points 8. If you want to see something in fine detail, you should focus the light on which part of your retina? Selected d. Answer: The foveaSelected c. Answer: 3.125 out of 3.125 points 9. Once information is sent to the secondary visual cortex, it ____. Selected a. Answer: may return to the primary visual cortex 3.125 out of 3.125 points 10. According to the trichromatic theory of color vision, the most important factor in determining the color we see is the ____. Selected b. Answer: relative activity of short, medium, and long wavelengths 3.125 out of 3.125 points 11. Humans localize low frequencies by ____ differences and high frequencies by ____ differences. Selected a. Answer: phase; loudness 3.125 out of 3.125 points 12. The tympanic membrane connects to three tiny bones that transmit the vibrations to the ____. Selected c. oval Answer: window 3.125 out of 3.125 points 13. Meissner’s corpuscles are ____. elaborate neuron endings for touch 3.125 out of 3.125 points 14. One hypothesis of synesthesia is that ____. Selected a. Answer: some of the axons from one cortical area have branches into another cortical area. 3.125 out of 3.125 points 15. Most auditory information is sent to which hemisphere of the brain? Selected c. Answer: The contralateral side 3.125 out of 3.125 points 16. Professor Gerke is giving a lecture on the vestibular system. He tells the class that both the ____ are needed for vestibular information. Selected d. Answer: semicircular canals and otolith organs 3.125 out of 3.125 points 17. In the auditory system, hair cells are specialized receptors that respond to ____. Selected c. Answer: mechanical displacement 3.125 out of 3.125 points 18. The fact that the various parts of the basilar membrane are tightly bound together is problematic for which of the following? Selected b. Answer: Place theory only 3.125 out of 3.125 points 19. Lacey’s voice teacher asked her to sing a higher pitch. Therefore, she adjusted the _____. Selected c. Answer: frequen cy 3.125 out of 3.125 points 20. Loudness is to ____ as pitch is to ____. Selected c. Answer: amplitude; frequency 3.125 out of 3.125 points 21. Gala is studying for a quiz on circadian rhythms. She writes in her notes that the two proteins that influence circadian rhythms by building up during the day and declining during sleep are ______. Selected b. Answer: PER and TIM 3.125 out of 3.125 points 22. Denisha is working in the lab and has isolated some cells from a rat brain. Since the cells seem to be producing a steady circadian rhythm, Denisha hypothesizes that these cells came from the rat’s _____. Selected c. Answer: SC N 3.125 out of 3.125 points 23. Professor Steinberg tells her class that during a normal sleep cycle, a person will progress from _____. Stage 1 to 4 then back to 3 and 2, and then entering REM sleep. 3.125 out of 3.125 points 24. Charley is currently in Stage 4 sleep. The next stage he will enter will most likely be _____. Selected a. stage Answer: 3 3.125 out of 3.125 points 25. The ____ is a structure that extends from the medulla into the forebrain. Selected a. Answer: reticular formation 3.125 out of 3.125 points 26. With each succeeding stage of sleep (from 1 to 4), ____. Selected b. Answer: slow, large-amplitude waves increase in number 3.125 out of 3.125 points 27. Loss of orexin-containing neurons in the hypothalamus may contribute to ____. Selected a. Answer: narcolep sy