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      Nacimiento, desarrollo y evolución de la desensibilización y el reprocesamiento por medio de movimientos oculares (EMDR) Translated title: Origin, development, and evolution of eye movement desensitization and reprocessing

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          Abstract

          Resumen La desensibilización y el reprocesamiento por medio de movimientos oculares (EMDR) ha suscitado un gran número de estudios desde su aparición en 1989. El objetivo principal de este artículo es describir su desarrollo y evolución hasta la actualidad. Para ello se realizó una búsqueda bibliográfica en MEDLINE y PsycINFO con la entrada “eye movement desensitizacion”. Tras la revisión de los 795 artículos resultantes, se eligieron aquellos que por su relevancia e interés mostraban mejor el desarrollo y evolución de la técnica. Además, se configuró una línea de vida que representó gráficamente su historia. Aunque en los primeros años el foco de investigación fue la validación de la técnica para el trastorno de estrés postraumático (TEPT), ésta comenzó muy rápidamente a aplicarse a otras problemáticas. Solo un 14% de los trabajos encontrados son estudios experimentales controlados. Actualmente, si bien se ha demostrado su eficacia como tratamiento del TEPT, se siguen barajando diversas hipótesis explicativas de su eficacia.

          Translated abstract

          Abstract Eye movement desensitization and reprocessing (EMDR) has led to a great number of studies since its appearance in 1989. The aim of this article is to describe EMDR development and evolution to the present day. With this purpose a search was carried out on MEDLINE and PsycINFO with the entry “eye movement desensitization”. After revising the resulting 797 articles, those that because of their relevance explained best the development and evolution of the technique were chosen and shaped into a lifeline graphically representing the history of EMDR. Despite the fact that during the first years the focus of research was on the validation of the technique for post-traumatic disorder (PTSD), it was soon applied to other areas. Only 14% of the articles found account for controlled studies. Up to date, in spite of the effectiveness of EMDR for the treatment of PTSD that has been proven, many different explanatory hypotheses are still up for discussion.

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          Eye movement desensitization: a new treatment for post-traumatic stress disorder.

          The use of saccadic eye movements for treating post-traumatic stress disorder is described. The procedure involves eliciting from clients sequences of large-magnitude, rhythmic saccadic eye movements while holding in mind the most salient aspect of a traumatic memory. This results in (1) a lasting reduction of anxiety, (2) changes in the cognitive assessment of the memory, and (3) cessation of flashbacks, intrusive thoughts, and sleep disturbances. The procedure can be extremely effective in only one session, as indicated by a previous controlled study and a case history presented here. It does not require a hierarchical approach, as in desensitization, or the elicitation of disturbingly high levels of anxiety over a prolonged period of time, as in flooding. Some speculations are offered concerning the basis for the effectiveness of the procedure.
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            Eye-movements and visual imagery: a working memory approach to the treatment of post-traumatic stress disorder.

            It has been claimed that the symptoms of post-traumatic stress disorder (PTSD) can be ameliorated by eye-movement desensitization-reprocessing therapy (EMD-R), a procedure that involves the individual making saccadic eye-movements while imagining the traumatic event. We hypothesized that these eye-movements reduce the vividness of distressing images by disrupting the function of the visuospatial sketchpad (VSSP) of working memory, and that by doing so they reduce the intensity of the emotion associated with the image. This hypothesis was tested by asking non-PTSD participants to form images of neutral and negative pictures under dual task conditions. Their images were less vivid with concurrent eye-movements and with a concurrent spatial tapping task that did not involve eye-movements. In the first three experiments, these secondary tasks did not consistently affect participants' emotional responses to the images. However, Expt 4 used personal recollections as stimuli for the imagery task, and demonstrated a significant reduction in emotional response under the same dual task conditions. These results suggest that, if EMD-R works, it does so by reducing the vividness and emotiveness of traumatic images via the VSSP of working memory. Other visuospatial tasks may also be of therapeutic value.
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              How eye movements affect unpleasant memories: support for a working-memory account.

              Eye movement desensitization and reprocessing can reduce ratings of the vividness and emotionality of unpleasant memories-hence it is commonly used to treat posttraumatic stress disorder. The present experiments compared three accounts of how eye movements produce these benefits. Participants rated unpleasant autobiographical memories before and after eye movements or an eyes stationary control condition. In Experiment 1, eye movements produced benefits only when memories were held in mind during the movements, and eye movements increased arousal, contrary to an investigatory-reflex account. In Experiment 2, horizontal and vertical eye movements produced equivalent benefits, contrary to an interhemispheric-communication account. In Experiment 3, two other distractor tasks (auditory shadowing, drawing) produced benefits that were negatively correlated with working-memory capacity. These findings support a working-memory account of the eye movement benefits in which the central executive is taxed when a person performs a distractor task while attempting to hold a memory in mind.
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                Author and article information

                Journal
                clinsa
                Clínica y Salud
                Clínica y Salud
                Colegio Oficial de la Psicología de Madrid (Madrid, Madrid, Spain )
                1130-5274
                2174-0550
                November 2016
                : 27
                : 3
                : 101-114
                Affiliations
                [1] Madrid orgnameUniversidad Complutense de Madrid Spain
                Article
                S1130-52742016000300002 S1130-5274(16)02700300002
                10.1016/j.clysa.2016.09.001
                25500b0c-ff67-437c-ad9e-7222864379a0

                This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

                History
                : 14 September 2016
                : 07 September 2016
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 202, Pages: 14
                Product

                SciELO Spain

                Categories
                Artículos

                Eye movements,Desensitization,Trauma,Reprocessing,EMDR,Trastorno de estrés postraumático,Movimientos oculares,Desensibilización,Reprocesamiento,Post-traumatic stress disorder

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