In the chapter, the author’s daughter Lauren (22 months) held a conversation with her mother about a doll and a rocking horse. In order to do this, Lauren had to understand the sounds of adult speech and produce them accurately enough for adults to understand them. This ability falls into the category of ________

When you are hungry, your stomach lining produces a hormone that activates your lateral hypothalamus, with this hormone called

a. oxytocin. b. throxin. c. ghrelin. d. insulin.

What can we conclude regarding developmental changes in speech perception?

a. With age, we become more sensitive to sound discriminations that are relevant in our own language and less sensitive to sound discriminations that are irrelevant. b. With age, we become more sensitive to all sound discriminations. c. There are no detectable differences in sound discriminations with age. d. With age, we become more sensitive to differences in consonant sounds and less sensitive to differences in vowel sounds.