The specialized form of speech that adults use with very young infants is known as

Repetitive actions that center on an infant’s own body are referred to as:

________ uses short sentences that contain mostly high- content words and omit smaller words.

Infants can understand more words than what they are able to say.  Comprehension of the spoken word is called:

At birth, infants show a preference for ________ flavors.

The last major organ to mature during the final 2 months of the fetal period is/are the:

The case study of Genie is

Longitudinal studies comparing children with secure or insecure attachments have found

________ refers to the return of development to a genetically predetermined pathway after restoration of normal nutrition.

Down syndrome is caused by