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Riddoch’s phenomenon

the ability of patients with injury to the visual system beyond the optic chiasm to see moving, but not stationary, light stimuli (statokinetic dissociation). Riddoch’s phenomenon can also be associated with damage to the optic nerve. See also cerebral amblyopia. [first described in 1917 by George Riddoch (1888–1947), British neurologist]

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Psychology term of the day

October 15th 2024

alcohol intoxication delirium

alcohol intoxication delirium

in DSM–IV–TR and DSM–5, a reversible syndrome that develops over a short period (usually hours to days) following heavy alcohol consumption. Disturbance of consciousness (e.g., reduced ability to focus, sustain, or shift attention) is accompanied by changes in cognition (e.g., memory deficit, disorientation, or language disturbance) in excess of those usually associated with alcohol intoxication. See also substance intoxication delirium.