Your skin receptors detect five different sensations, which are cold, warmth, pressure, light touch, and __________

Suppose that an elderly friend who has been having trouble hearing learns that she has something called "conduction deafness." What should you tell her about this problem?

a. It is the most serious form of hearing impairment. b. It may result from malfunctioning bones in the middle ear. c. It refers to a defect in the neural mechanisms. d. It can only be cured by regeneration of cochlear hair cells.

Compared to their U.S. agemates, Dutch babies

A) are put to bed later. B) sleep, on average, 2 hours less per day. C) sleep, on average, 2 hours more per day. D) have less predictable sleep schedules.