________ are chemicals that retard behavior by either speeding up or slowing down nerve

Adrienne is a 16-year-old girl who is searching for her identity. Which of the following would NOT be an example of the search for her self-concept?

a) She would describe herself solely in terms of physical characteristics. b) She would have a broader view of herself, and be able to see various aspects of herself simultaneously. c) She would look at herself from a psychological perspective. d) She would be able to consider both her views and the views of others.

The developmental stage for language that exists in the 1st to 3rd months and consists of gestures and facial expression is ______________

a. Prelinguistic. b. Babbling. c. Baby talk. d. Phoneme discrimination.