Definitions Flashcards
(596 cards)
Absolute poverty
Poverty wherein people do not have enough resources to acquire basic life necessities such as shelter, food, clothing, and water.
Absolute threshold
The minimum stimulus energy needed to activate a sensory.
Accommodation
Process by which existing schemata is modified to encompass new information.
Acetylcholine
A neurotransmitter associated with voluntary muscle control.
Achieved status
A status gained as a result of direct, individual action.
Acquisition
In classical conditioning, the process of taking advantage of reflexive responses to turn a neutral stimulus into a conditioned stimulus.
Actor-observed bias
The tendency to make situational attributions about the self, but dispositional attributions about others, regarding similar behaviors.
Adaptation
In perception, a decrease in stimulus perception after a long duration of exposure; in learning, the process by which new information is processed; consists of assimilation and accomidation.
Adaptive value
The extent to which a trait benefits a species by influencing the evolutionary fitness of the species.
Affect
The experience and display of emotion.
Afferent neuron
Sensory neurons which transmit information to the brain from the body in response to sensory input.
Ageism
Prejudice or discrimination on the basis of a person’s age.
Aggregation
A behavior with the intention to cause harm or increase relative social dominance; can be physical or verbal.
Agnosia
The loss of the ability to recognize objects, people, or sounds, though typically just one of the three.
Alcohol myopia
The inability to think about consequences and possible outcomes of one’s actions due to alcohol intoxication.
Alertness
State of consciousness in which one is aware, able to think, and able to respond to the environment; nearly synonymous with arousal.
Algorithm
A formula or procedure for solving a certain type of problem.
Aligning actions
An impression managment strategy in which one makes questionable behavior acceptable through excuses.
Alter-casting
An impression management strategy in which one imposes an identity onto another person.
Altruism
A form of helping behavior in which the person’s intent is to benefit someone else at a cost to him or herself.
Alzheimer’s disease
Degenerative brain disorder that is characterized by dementia and memory loss. Neurofibrillary tangles and B-amyloid plaques are phenomena found in the brains of Alzheimer’s patients.
Amphetamine
A central nervous system stimulant that increases activity of both dopamine and norepinephrine in the brain.
Amygdala
A portion of the limbic system that is important for memory and emotion, especially fear.
Anomie
A state of normlessness; anomic conditions erode social behavior by means of excessive individualism, social inequality, an isolation.