Glutamate is an excitatory neurotransmitter that helps regulate a person's state of arousal and attention.

Which of the following types of changes are of interest to a developmental psychologist?

A) biological changes B) biological and cognitive changes C) cognitive and psychosocial changes D) biological, cognitive, and psychosocial changes

What was one problem psychologists identified with initial conceptions of short-term memory?

a) It was too short to allow for processing of information. b) Information placed in short-term memory is generally replaced. c) There is no evidence of a storage mechanism for short-term memory. d) This temporary storehouse of information had a greater capacity than seemed possible.