The human brain contains approximately ________ transistor-like neurons

The rate of death from heart disease among African Americans is __________ that of Caucasian Americans

A) far lower than B) slightly lower than C) equal to D) higher than

Sam refuses to talk to Bobbi ever since he saw her holding hands with the person who used to harass him in the sixth grade. This situation seems most analogous to the process of

A) ?US reevaluation. B) ?dishabituation. C) ?higher-order conditioning. D) ?temporal conditioning.