A child is bitten by a dog while delivering a newspaper to a house. The next day when he sees the house he feels anxious, even though the dog is nowhere in sight. The CS in this case is the

Incorrect. Synapses are microscopic fluid-filled spaces between neurons

Which structure is like a locked door that only certain neurotransmitter keys can unlock? A) Synapses B) Receptor sites C) Neural chiasms D) Response terminals

Freud's theories differed radically from the views of his predecessors because of __________

a. its extensive use of laboratory research to support its claims b. the emphasis it placed on Eastern philosophies and culture c. the emphasis it placed on unconscious processes d. its emphasis on environmental learning as the source for most personality characteristics