A severe anxiety reaction that takes place immediately, or very soon, after an extremely stressful event is known as ________ disorder

Research on ________ supports the hypothesis that personality differences are due in part to genetic differences

a. the genetic basis of traits b. peak experiences c. the use of defense mechanisms d. unconditional positive regard e. the "Big Five"

Both CT (computed tomography) and PET (positron emission tomography) neuroimaging techniques were developed in the 1970s

Indicate whether this statement is true or false.