Tahetio dementia

A form of mental derangement or insanity complicated with "tabes dorsalis" or locomotor ataxia, which generally precedes, or sometimes follows, the mental attack. As to insanity resulting from cerebral embolism, see Embolism ; from epilepsy, see Epilepsy. As to chronic alcoholism as a form of insanity, see Alcoholism. General descriptive and clinical terms.