Many involuntary, autonomic system responses ("fight-or-flight" reflexes) are linked with new stimuli and situations by

Cocaine works in the brain by blocking dopamine transporters, so excess dopamine remains in the synapse, repeatedly binding to receptors.

a. true b. false

According to Harry Harlow's research, contact comfort is vital to development because it

A) ensures the continuation of the genome. B) stimulates the endocrine system. C) ensures that the infant will receive food. D) is the foundation for attachment.