| A | B |
|---|
| absolute threshold | the minimum stimulation needed to detect a particular stimulus 50 percent of the time |
| action potential | a neural impluse; a brief electrical charge that travels down an axon |
| aggression | physical or verbal behavior intended to hurt someone |
| anxiety disorder | psychological disorders characterized by distressing, persistent anxiety or maladaptive behaviors that reduce anxiety |
| attachment | an emotional tie with another person or thing; shown in young children by their seeking closeness to the caregiver and showing distress in separation |
| attribution theory | the theory that we explain someone's behavior by crediting either the situation of the person's disposition |
| binocular cues | depth cues, such as retinal disparity, that depend on the use of two eyes |
| central nervous system | the brain and spinal cord |
| cerebellum | the "little brain" at the rear of the brainstem; functions include processing sensory input and coordinating movement output and balance |
| cerebral cortex | the intricate fabric of interconnected neural cells covering the cerebral hemispheres; the body's ultimate control and information-processing center |
