ANAPHRODISIAC
a narcotic or other substance that acts as a sexual relaxant to lessen or completely diminish sexual urges. Heroin and…
ANCUPLOIDY
n. A chromosomal abnormality in which an organism has either more or less than the number of chromosomes usually present…
ANECDOTAL METHOD
a research method based on personal recollections of a case, as opposed to specific, empirically derived investigation. Can provide ideas…
ANGER STAGE
the second of five of Elisabeth Kubler-Ross' stages of dying. This stage is usually characterized by resentment, rejection of others,…
ANIMAL CARE AND USE
Ethical regulations pertaining to the use of animals in research and experimentation. Animals must be treated in the most humane,…
ANIMAL MATERNAL BEHAVIOR
refers to specific aspects of female parenting behavior in animals - for example, feeding, thermoregulation, teaching, and protection. Maternal behaviors…
ANNIVERSARY REACTION
refers to an intense emotional reaction to an anniversary event. It is usually negative and most often creates temporary low…
ANOSOGNOSIA
n. the failure to acknowledge (or the complete denial of) a disorder or defect - for example, visual, speech, or…
ANTERIOR HORN
1. refers to two regions of gray matter in the ventral spinal cord. These regions contain large motor neurons whose…
ANTHROPONOMY
n. the science relating to human development as it pertains to the development of the environment and other species.
ANTICIPATORY ATTITUDE CHANGE
an attitude change promoted by the expectation that a persuasive message will be delivered. Attitude polarization (feeling more strongly) may…
ANTIESTROGEN
a substance (e.g., tamoxifen) that lessens the physiological effects of estrogenic hormones on the tissues that are normally responsive to…
ANTIPSYCHIATRY
an international movement founded in the 1960s under the leadership of a conglomeration of experts: British psychiatrist Ronnie 1). Laing…
ANXIETY DISORDER NOT OTHERWISE SPECIFIED
a clinically significant level of anxiety that does not fit neatly into the criteria for a specific anxiety disorder in…
ANXIOUS-AMBIVALENT ATTACHMENT STYLE
an interpersonal or relational style characterized by hesitancy in forming deeply committed relationships in case the partner leaves or abandons…
APOPLECTIC TYPE
a body type characterized by a heavy- set, rotund, thick physique, which roughly corresponds to the endomorphic type (see endomorph)…
APPEASEMENT BEHAVIOR
peaceful actions by one organism that reduce the likelihood of threatening behavior from another organism. This often involves reducing apparent…