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dialysis dementia

an aluminum-induced brain disease affecting patients undergoing long-term dialysis. Major symptoms are progressive mental deterioration, personality changes, and speech impairment, with such neurological signs as seizures, dysarthria, dysnomia (difficulty in naming objects), and dyspraxia.

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Psychology term of the day

December 25th 2024

defense reflex

defense reflex

a sudden response elicited by a painful or unexpected stimulus. The term is applied to a variety of responses, ranging from an acceleration in heart rate in reaction to a startling auditory stimulus; through flight, fight, or freezing elicited by perceived threat; to complex psychological responses. Also called defense response.