perceptual distortion

skewed perceptual experience. Examples include the distorted images produced by dreams or hallucinogenic drugs, geometric illusions (e.g., the Müller-Lyer illusion), visions occurring in states of sensory deprivation or dehydration, and distortions produced by modifying auditory stimuli. Perceptual distortion may also occur as a consequence of acquired brain injury. See also metamorphopsia.

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Psychology term of the day

February 28th 2025

hypnotic regression

a therapeutic technique in which an individual under hypnosis is induced to relive a previous experience that may be contributing to current emotional difficulties. There are two types of hypnotic regression: age regression and past-life regression.