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An empirical clustering technique was applied to data obtained from 321 male and female alcoholics to identify homogeneous subtypes having discriminative and predictive validity. The clustering solution identified two "types" of alcoholics who differed consistently across 17 defining characteristics in the male and female samples. One group, designated type(More)
We performed a one-year follow-up study of 266 alcoholics who had received extensive psychiatric assessment, including diagnosis with the National Institute of Mental Health Diagnostic Interview Schedule and DSM-III criteria, during their index treatment episode. The aims were to evaluate the relationship between additional DSM-III diagnoses in alcoholics(More)
Adult mice were administered the common parasite Toxocara canis or lead or both. The parasite clearly altered mouse performance on tests of exploration, activity, learning, and motor coordination; behavioral effects in mice receiving lead alone were less general. Consequence of Toxocara administration appeared attenuated in animals receiving both agents.(More)
Binghamton Heterogeneous stock mice intubated with embryonated eggs from the common parasite of dogs, Toxocara canis, display dramatic alterations in behavior. Many of these behavioral changes are markedly attenuated if mice are maintained also on a drinking solution containing lead acetate. The data presented here, however, show that the extensive neural(More)
How lead ingestion during different developmental periods influences activity of mice was investigated. Binghamton Heterogenous Stock (HET) mice were assigned to one of four groups defined by a 2 X 2 factorial in which the only available drinking fluid was either lead (L) or water (C) from the time of mating to birth or from birth to the end of the(More)
Toxocara canis, the parasitic roundworm of the dog may infect aberrant hosts including mice and humans. The present study examined the behavioral and pathological changes at each of three postintubation periods (Period 1: 8-10 days, 2: 49-51 days, and 3: 84-86 days postintubation, respectively) in independent groups of mice intubated with 1000 eggs of T.(More)
Ingestion of palatable and unpalatable solutions was measured in adult mice in which had been administered the common parasite of the dog, Toxocara canis alone, or in combination with lead. In addition, response to hot plate and susceptibility to electroconvulsive seizure were also measured. Results from the palatability test indicated that either lead or(More)
Endogenous (fasting) breath acetaldehyde levels were assessed as a discriminator between alcoholic and non-alcoholic subjects. The influence of smoking as a potential confounding variable on breath acetaldehyde was determined. Individuals with a history of smoking and/or drinking had higher endogenous breath acetaldehyde levels as compared to controls. Mean(More)
Alcohol consumption, when corrected for body weight, was not related to age and did not differ from male and female alcoholics, when compared within subtype of alcoholism. Regardless of gender, alcoholics with antisocial personality diagnosis drank significantly more alcohol than non-antisocial personality alcoholics.
Mice were exposed to lead acetate (0.5%) pre- and postnatally, and activity levels were assessed at 21 days of age. Two measures of open field activity were employed at two different times of day across three doses of d-amphetamine. These factors influence the results observed in lead exposed mice and demonstrate that lead's effects on activity are not(More)