1. The amount of light entering the eye is regulated by changes in the size of the
A. pupil
B. lens
C. cornea
D. retina
2. Which type of signal-detection error becomes more likely when the expectation of a stimulus is weak?
A. a miss
B. a false alarm
C. a correct rejection
D. an accurate hit
3. Auditory localization is to hearing as
A. size constancy is to vision
B. optical illusion is to vision
C. retinal desparity is to vision
D. depth perception is to vision
4. The electroencephelagraph is used in sleep research to measure brain-wave activity in the
A. corpus callosum
B. cerebral cortex
C. hypothalamus
D. medulla
5. The MOST common sleep disorder we know of is
A. sleep apnea
B. night terrors
C. insomnia
D. somnambulism