opioid withdrawal

in DSM–IV–TR and DSM–5, a characteristic withdrawal syndrome that develops after cessation of (or reduction in) prolonged, heavy consumption of opioids (e.g., morphine, heroin). Features may include dysphoria or anxiety, nausea or vomiting, muscle aches, dilation of the pupils, piloerection (goose flesh) or sweating, diarrhea, fever, and insomnia. See also substance withdrawal.

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Psychology term of the day

November 17th 2024

field theory

1. in psychology, a systematic approach describing behavior in terms of patterns of dynamic interrelationships between individuals and the psychological, social, and physical situation in which they exist. This situation is known as the field space or life space, and the dynamic interactions are conceived as forces with positive or negative valences. [proposed by Kurt Lewin]

2. in physics, the theory that forces acting at a distance between bodies not in contact do so by means of a field of force that fills the space between them. See action at a distance.