BIOGENIC AMINES

A group of amines (derivatives of amino acids), three of which are known to exert important influences on the nervous system: epinephrine, norepinephrine and...

BIRTH ADJUSTMENTS

When a baby is born he goes through the most abrupt, complete, and dramatic change of surroundings in his entire life. For nine months...

B AND D

a commonly used abbreviation for bondage and discipline.

BACKWARD CONDITIONING

refers to a procedure whereby an unconditioned stimulus is consistently presented before a neutral stimulus. This arrangement does not produce a change in the...

BAIT SHYNESS

refers to animals avoiding foods that have previously been associated with gastric distress or other adverse effects. This learned avoidance is very rapid (often...

BALLISM

n. refers to a condition characterized by involuntary throwing or flinging movements. These movements are called ballistic movements, and are caused by severe muscle...

BARBITURATES

pl. n. a group of wide-spectrum drugs, first synthesized from barbituric acid. Known to depress respiration, they also induce drug dependence and withdrawal symptoms....

BARTHEL INDEX

n. a measure of one's ability to independently perform Activities of Daily Living. On a point scale, it rates functional status on 10 specific...

BASELINE MEASURES

n. a record of things to keep track of when observing the response of participants prior to administering experimental intervention. With the baseline as...

BASIC REST-ACTIVITY CYCLE (BRAC)

n. a biological cycle which alternates between periods of wakefulness and sleep - or in other words, activity and non-activity. Typically, it goes in...

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