Exam 5: Physical Development in Infancy and Toddlerhood

Bulous is 20 months old and was recently weaned. He has an unbalanced diet very low in protein. Bulous has an enlarged belly, swollen feet, a skin rash, and thinning hair. Bulous most likely has

Once habituation occurs, a new stimulus causes responsiveness to return to a high level, an increase called

Four-month-old Kaitlyn reaches for a toy. She grabs it by closing her fingers against her palm. Kaitlyn is using

Six-month-old Luka's weight, height, and head circumference are substantially below age-related growth norms. Luka is withdrawn and apathetic. Luka's mother sometimes appears depressed and distant, at other times impatient and hostile. Luka most likely suffers from

In the United States,

Describe some common forms of inadequate nutrition in the United States.

An estimated 22 percent of U.S. children suffer from

When baby Rico whimpers and whines, his mother responds by ignoring him and refusing to pick him up. This decreases Rico's whining. The mother's behavior is an example of

Which of the following babies is most likely to develop manual skills first?

Young infants can be classically conditioned most easily when

In cultures where mothers carry their infants on their hips or in slings for most of the day,

Dynamic systems theory shows us why motor development

Which of the following statements is consistent with the proximodistal trend of body growth?

Baby Paul's mother strokes his hair just before he eats. Now when Paul's mother strokes his hair, Paul begins to suck. The stroking is the __________, and the taste of milk is the __________.

In Wayne Dennis's study of infants in Iranian orphanages, only 15 percent of the orphans were walking alone by ?3 to 4 years of age because

At birth, the human brain is set up to be

Infants with more crawling experience

A study of children who had spent their first eight months or more in Romanian institutions and were then adopted into Canadian homes found that the longer the children spent in orphanage care, the __________ their __________.

The prefrontal cortex

__________ are responsible for coating neural fibers with an insulating fatty sheath.