The stage of a baby's development from one month to one year's age:

Failure to grow at a healthy rate is called ____.

Automatic, unlearned movements in response to stimuli needed for survival:

The use and control of muscles that direct body movement:

The physical, intellectual, and social-emotional tasks many children learn to accomplish by a certain age:

A condition in which a sleeping baby dies without warning and for medically unexplained reasons:

Using the senses to learn about the environment is _______________.

Changes in the environment, such as light, sound, heat, or texture, that affect sensory organs and cause a person to react is _______________.

Setting that offers a person many chances to learn is _______________.

The use of infant directed, sing-song and high-pitched speech when speaking to babies is _______________.

The fear that loved ones who leave them with other caregivers will not return is called ____.

Two-month-old infants soothing themselves by sucking, five-month-old imitates facial expressions, and a 6 month old may become disturbed by strangers are all examples of ____.

Social-emotional development in infancy does not include ____.

This type of parental care does not negatively influence high-reactive babies.

Which of the following attachment behaviors appears first in a baby’s life?

With time, infants’ anger becomes ____.

Which of the following is not an aspect of social development in the first year?