Exam 9: Adolescence: Body and Mind

After a child's vocabulary has reached about 50 expressed words, vocabulary will increase by approximately _____ words per month.

By 10 months of age, Alan has a vocabulary of a dozen words. B. F. Skinner would have attributed Alan's rapid speech development mainly to _____.

Brain functions that depend on particular, variable experiences and therefore may or may not develop in a particular infant are called _____.

Stage four of the sensorimotor period is known as "new adaptation and _____."

Slow-wave sleep _____.

The "Back to Sleep" campaign has cut the rate of _____ dramatically.

The six outer layers of the brain, involved in feeling, thinking, and sensing, are referred to as the _____.

Three-month-old Eva is at reduced risk for developing obesity, allergies, and asthma because she is fed _____.

Describe the typical changes in weight and length that the average baby will experience across his or her first and second years of life. Explain the meaning of percentile rankings and norms.

Mary hides Ramy's favorite toy under a blanket while Ramy watches. Ramy removes the blanket and squeals when he sees the toy. Mary again hides the toy, but this time under a different blanket. Even though Ramy saw where Mary hid his toy, he still looks under the first blanket before removing the second blanket and retrieving the toy. Ramy has displayed _____.

Lyrissa lives in Africa. She is 9 months old and does not weigh enough because of malnutrition. Her tissues are wasting away. Lyrissa suffers from _____.

At birth, the brain contains more than 100 trillion neurons.

The average number of meaningful sound combinations in a typical sentence is called _____.

Eric just started saying two-word sentences such as "Dada home" and "Doggie go." About how old is Eric likely to be?

The initials LAD stand for _____, a mental structure proposed by Chomsky as an explanation for infants' ability to learn to speak.

By 3 months of age, babies look closely at the eyes and mouth when studying faces. This change in focus is due to _____.

It has been proven that infants feel as much pain as adults.

Ann-Marie started walking when she was 10 months old; Cynthia is just beginning to take steps by herself at 13 months. Which conclusion is MOST likely true?

In addition to cultural influences, what is a compelling reason for parents to co-sleep with their infant?

Two-year-olds are about 20 percent of their adult weight.