A neuropsychological battery of 67 measures was completed by 68 inhalant-abusing and 41 other-drug-abusing adolescent subjects. The measures tapped both global and specific functioning. Analysis of covariance was used to control effects of age and other drug use. These analyses indicated that inhalant abusers performed significantly more poorly than other drug abusers on 20 of the 67 measures. Deficits were observed on both global measures (WAIS and WRAT) and specific measures (perception of speech sounds, visual suppression, sensory perception, and Trails). These deficits suggest that the effect of inhalant abuse may be severe and widespread.
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