Tic disorders and Tourette's disorder often occur together with

One of the first signs of fear in an infant often occurs when

a. infants are in the presence of an unfamiliar adult. b. infants are picked up by a familiar adult. c. a stranger talks to other adults instead of picking up the baby. d. a favorite food or toy is taken away.

Babies who are a few weeks old use social smiles

Indicate whether the statement is true or false