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A-B-A DESIGN  look up translate image
Experimental design in which participants first experience the baseline condition (A), then experience the experimental treatment (B), and then return to the baseline (A).
ABNORMAL PSYCHOLOGY  look up translate image
The area of psychological investigation concerned with understanding the nature of individual pathologies of mind, mood, and behavior.
ABSOLUTE THRESHOLD  look up translate image
The minimum amount of physical energy needed to produce a reliable sensory experience; operationally defined as the stimulus level at which a sensory signal is detected half the time.
ACCOMMODATION  look up translate image
The process by which the ciliary muscles change the thickness of the lens of the eye to permit variable focusing on near and distant objects.
ACCOMMODATION  look up translate image
According to Piaget, the process of restructuring or modifying cognitive structures so that new information can fit into them more easily; this process works in tandem with assimilation.
ACCOMMODATION IN PIAGET'S DEVELOPMENTAL THEORY  look up translate image
the modification of old ways of thinking to incorporate new knowledge and information
ACCOMMODATION IN VISION  look up translate image
the changing of the shape and the refractory ability of the lens in the eye as it focuses the image of an object
ACCULTURATION  look up translate image
the process of acquiring the values, beliefs, attitudes, and behaviors of a new culture
ACETYLCHOLINE  look up translate image
one of the most common neurotransmitters in the human nervous system, it is manufactured and delivered by motor neurons
ACQUISITION  look up translate image
The stage in a classical conditioning experiment during which the conditioned response is first elicited by the conditioned stimulus.
ACTION POTENTIAL  look up translate image
The nerve impulse activated in a neuron that travels down the axon and causes neurotransmitters to be released into a synapse.
ACTIVE TOUCH  look up translate image
the manipulation of an object, which produces information about the shape, weight, length, and other characteristics of the object
ACTOR-OBSERVER EFFECT  look up translate image
the tendency to attribute the behavior of others to internal causes while attributing one's own behavior to situational causes
ACUPUNCTURE  look up translate image
a treatment in traditional Chinese medicine in which sharp needles are inserted in special places on the skin and twirled rapidly to affect other parts of the body, this technique is used to suppress pain and to treat other bodily problems
ACUTE STRESS  look up translate image
A transient state of arousal with typically clear onset and offset patterns.
ADDICTION  look up translate image
A condition in which the body requires a drug in order to function without physical and psychological reactions to its absence; often the outcome of tolerance and dependence.
ADRENAL GLANDS, ADRENALS  look up translate image
the endocrine glands responsible for secreting the hormones adrenaline (epinephrine) and noradrenaline (norepinephrine), which regulate bodily functions and affect mood and emotion, blood pressure, blood sugar level, and redistribution of blood between internal organs and voluntary muscles
ADULTHOOD  look up translate image
the period of development that takes place from puberty to death
AFTERIMAGE  look up translate image
a sensory impression that lasts after removal of the stimulus that caused it
AGEISM  look up translate image
Prejudice against older people, similar to racism and sexism in its negative stereotypes.
AGGRESSION  look up translate image
Behaviors that cause psychological or physical harm to another individual.
AGONISTS  look up translate image
a group of psychoactive drugs that cause neurotransmitters to be released, prevent deactivation of neurotransmitters, or mimic the effects of neurotransmitters by binding to their receptors, drugs such as nicotine and cocaine are examples
AGORAPHOBIA  look up translate image
An extreme fear of being in public places or open spaces from which escape may be difficult or embarrassing.
AIDS  look up translate image
Acronym for acquired immune deficiency syndrome, a syndrome caused by a virus that damages the immune system and weakens the body's ability to fight infection.
ALCOHOL INTOXICATION  look up translate image
according to legal definition, this condition occurs when one has a blood alcohol level of 0.10 or more
ALGORITHM  look up translate image
A step-by-step procedure that always provides the right answer for a particular type of problem.
ALL-OR-NONE LAW  look up translate image
The rule that the size of the action potential is unaffected by increases in the intensity of stimulation beyond the threshold level.
ALL-OR-NONE PRINCIPLE  look up translate image
the principle that a neuron's action potential is triggered at full strength or not at all, it does not diminish in intensity as it travels down the neuron
ALLERGENS  look up translate image
substances, such as pollen, household dust, tobacco smoke, fabric softener, and perfume, that trigger allergic responses
ALTERED STATE OF CONSCIOUSNESS  look up translate image
a condition r state that is considered outside the realm of normal consciousness, resulting from any number of different conditions, such as sensory deprivation or overstimulation, hypnosis, meditation, or the use of psychoactive drugs
ALTRUISM  look up translate image
Prosocial behaviors a person carries out without considering his or her own safety or interests.
ALZHEIMER'S DISEASE  look up translate image
A chronic organic brain syndrome characterized by gradual loss of memory, decline in intellectual ability, and deterioration of personality.
AMACRINE CELLS  look up translate image
Cells that integrate information across the retina; rather than sending signals toward the brain, amacrine cells link bipolar cells to other bipolar cells and ganglion cells to other ganglion cells.
AMBIGUITY  look up translate image
A perceptual object that may have more than "one interpretation.
AMNESIA  look up translate image
A failure of memory caused by physical injury, disease, drug use, or psychological trauma.
AMNIOCENTESIS  look up translate image
a medical technique used after the sixteenth week of pregnancy whereby a sample of amniotic fluid is drawn from the amniotic sac surrounding the fetus, an analysis of the fluid enables doctors to determine whether the fetus has certain chromosomal abnormalities
AMPHETAMINES  look up translate image
drugs that stimulate the CNS putting the body into a hyperenergized state, amphetamines block the reuptake of dopamine into nerve cells while directly causing the release of dopamine from the cells
AMPLITUDE  look up translate image
one of the basic elements of sound, referring to the strength of the wave, graphically represented as the height of the crest of the wave
AMYGDALA  look up translate image
The part of the limbic system that controls emotion, aggression, and the formation of emotional memory.
ANAL STAGE  look up translate image
according to Freud, the second stage of childhood development, which occurs between one to three years of age, in which psychic energy becomes focused on anal activities, such as defecation
ANALGESICS  look up translate image
drugs that reduce physical pain
ANALOGICAL REASONING  look up translate image
reasoning by analogy, by inferring that if who or more things agree with one another in some respect, they will agree in others
ANALYTIC INTELLIGENCE  look up translate image
the knowledge and skills that enable us to think critically and analytically about components of a problem, and to compare and evaluate alternatives
ANALYTIC PSYCHOLOGY  look up translate image
A branch of psychology that views the person as a constellation of compensatory internal forces in a dynamic balance.
ANCHORING HEURISTIC  look up translate image
An insufficient adjustment up or down from an original starting value when judging the probable value of some event or outcome.
ANGER  look up translate image
an emotion characterized by extreme or passionate displeasure and often antagonism
ANIMAL COGNITION  look up translate image
The cognitive capabilities of nonhuman animals; researchers trace the development of cognitive capabilities across species and the continuity of capabilities from nonhuman to human animals.
ANOREXIA NERVOSA  look up translate image
An eating disorder in which an individual weighs less than 85 percent of her or his expected weight but still controls eating because of a self-perception of obesity.
ANOSMIA  look up translate image
impairment in the sense of smell
ANTAGONISTS  look up translate image
a group of psychoactive drugs that prevent, inhibit, or block neurotransmitters, curare and other paralyzing drugs are examples
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Psychology terms
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Created by admin
Created on 2013-10-30 20:57:39
Number of terms 1167
Last added zygote by admin
2013-10-30 21:05:21
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Sources
  • A - ablation to Axon - Psychology Dictionary
    www.itseducation.asia
  • General Psychology Terms
    people.whitman.edu
  • Glossary of Psychological Terms
    www.apa.org
    A glossary giving definitions of common psychological terminology.
  • Psychology Dictionary (A) at AllPsych Online
    allpsych.com
    Psychology Dictionary