| A | B |
| clinical psychology | Studies,assesses and treats people with psychological disorders. |
| correlation coefficient | Which two factors vary together, how well either factro predicts the other. |
| placebo effect | any effect on behavior caused by the administration of an inert substance or condition, which is assumed to be an active agent. |
| culture | Behaviors, ideas, attitudes, and traditions shared by a large group of people. |
| theory | An explanation that organizes and predicts observations. |
| action potential | A neural impulse. A brief electrical charge that travels down an axon. Movement of positively charged atoms in and out of channels in the axon's membrane. |
| sensory neurons | Neurons that carry incoming information from the sense receptors to the central nervous system. |
| PET scan | Visual display of brain activity that detects where a radioactive form of glucose goes while the brain performs a given task. |
| amygdala | two almond-shaped neural clusters that are components of the limbic system and are linked to emotion. |
| Wernicke's area | controls language reception a brain area involved in language comprehension and expression;usually in the left temporal lobe. |
| sensorimotor stage | In Piaget's theory, the stage (from birth to about 2 years of. |
| menarche | The first menstrual period. |
| intimacy | in Erikson's theory, the ability to form close, living relationships; a primary developmental task in late adolescence and early adulthood. |
| cross-sectional study | A study in which people of different ages are compared with one another. |
| biological rhythms | physiological fluctuations controlled by our biological clocks. |
| posthypnotic amnesia | Supposed inability to recall what one experienced during hypnosis; induced by the hypnotist's suggestion. |
| LSD | A powerful hallucinogenic drug; also known as acid. |
| THC | The major active ingredient in marijuana; triggers a variety of effects, including mild hallucinations. |
| flashbulb memory | A clear memory of an emotionally significant moment or event. |
| encoding | The processing of information into the memory system. |