Publications by authors named "Jose Maria Ruiz-Sanchez de Leon"

The compulsive habit model proposed by Everitt and Robbins has accumulated important empirical evidence. One of their proposals is the existence of an axis, on which each a person with a particular addiction can be located depending on the evolutionary moment of his/her addictive process. The objective of the present study is to contribute in addressing the identification of such axis, as few studies related to it have been published to date.

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The UPPS model of impulsivity has recently been proposed, has been widely applied to substance abuse and is one of those recommended in the context of Research Domain Criteria, RDoC. However, its application to the abuse of information and communication technologies (ICTs) has been very limited. In the present work, a sample of n = 748 (67% females) was recruited through the Internet, and the reduced version of the UPPS-P was administered, in addition to the MULTICAGE-TIC and the Prefrontal Symptoms Inventory (PSI-20).

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Compulsiveness has been considered one of the core characteristics of addictive behaviours. One of the abusive behaviours that has acquired importance in recent times involves the use of mobile phones. The aim of this study is to obtain a version of the Obsessive-Compulsive Drug-Use Scale (OCDUS) to study the compulsivity associated with mobile phone abuse, its basic psychometric properties and the results of its application.

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Use/abuse of Information and Communications Technologies (ICT) has in recent years become a topic of great interest. Current discussion addresses whether it must be considered addictive behaviour and if it is a problem that primarily affects adolescents and youth. This study aims to understand the problems that affect people of all ages in controlling the use of these ICTs and whether they are related to mental health problems, stress and difficulties in executive control of behaviour.

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Aim: The purpose of this study was to apply the Assessment of Motor and Process Skills (AMPS) in a sample of people in treatment for addictive behaviours and to study the results.

Methods: The test was applied to a sample of 101 outpatients in treatment for addiction to substances. The results were studied in relation to gender, age, level of education, and variables related to addiction.

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The mobile phone is a relatively new technological tool, versatile and accessible, and very attractive, especially for young people, but whose use involves a risk of abuse and addictive behavior. In recent years there has been increasing interest in this problem, especially in view of the fact that it involves an increasingly younger population. The aim of this paper is to review the current state of scientific knowledge about cell phone addiction/abuse.

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Addiction is a complex disorder of brain function, which involves primarily the frontal cortex as a structure responsible for the organization of intentional behavior. The performance of everyday life activity is one of the key factors in assessing the impact of cognitive impairment. There are no validated instruments in Spanish applicable to addicts for assessing self-perceived efficacy in the performance of everyday activities.

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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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The present work attempts to determine whether procedural learning of a semantic categorisation task is influenced by the type of semantic category of the stimuli (biological and non-biological elements). It is also an attempt to determine the effect of the stimulus presentation modality on the categorisation task. A semantic categorisation task (4 series of 40 stimuli) was administered to 256 participants (128 classifying pictures, and 128 classifying words).

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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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