ankylosis

n. an immobility and consolidation of a joint, usually due to the destruction of membranes lining the joint or to a defect in bone structure. It may occur naturally, as in rheumatoid arthritis, or by surgical fusion (arthrodesis).

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Psychology term of the day

May 9th 2024

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.