Publications by authors named "Alvaro Olivar Arroyo"

Epidemiological studies usually show a link between personality disorders and addictions. Dimensional models of personality, such as that of Cloninger, are able to diagnose and discriminate between transient dysfunctional behavior styles and relatively more stable traits. Certain brain areas have been proposed, as trait locations, based on their activation.

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Objective: For many years now, Neuropsychology and the Psychology of Personality have developed in parallel, without any attempt to integrate the knowledge provided by the two disciplines. This paper sets out to analyze the relationship between the presence of symptoms in daily life related to the functioning of the brain's frontal lobes and individuals' personality patterns.

Participants And Methods: The Dysexecutive Questionnaire (DEX-Sp), the Frontal System Behavior Scale (FrSBe- Sp) and the Inventory of Temperament and Character Revised (TCI-R) were administered to 421 non-clinical participants and 246 individuals in treatment for substance abuse or dependence.

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Objective: Several studies have shown evidence of executive function impairment associated with substance abuse. This suggests the potential usefulness of a baseline assessment measure to screen for dysexecutive impairments in individuals beginning treatment. The Dysexecutive Questionnaire (DEX) is a test widely used to estimate executive dysfunction.

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Introduction And Objective: This study analyses the neuropsychological profile of a sample of cocaine addicts and compares it with a control group from the same social environment. Also, it explores the predictive power of some neuropsychological tests on treatment outcome six months after the exploration.

Participants And Method: We administered a neuropsychological battery to 30 patients with a diagnosis of cocaine abuse or cocaine dependence, and to 30 control participants with no history of drug abuse from the same social environment.

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Objective: To study the psychometric properties of the VAL-89 questionnaire and its possible use in addict individuals who ask for treatment.

Method: Analysis of the psychometric properties of the questionnaire and its factorial structure, applying it to 792 individuals. 365 of them were substance users seeking treatment and 427 were general population.

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