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    Rights statement: This is an Accepted Manuscript of an article published by Taylor & Francis in Psychology and Health on 09/08/2016, available online: http://www.tandfonline.com/10.1080/08870446.2016.1218879

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    Available under license: CC BY-NC: Creative Commons Attribution-NonCommercial 4.0 International License

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Impulse control disorders in Parkinson’s disease: predominant role of psychological determinants

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<mark>Journal publication date</mark>1/12/2016
<mark>Journal</mark>Psychology and Health
Issue number12
Volume31
Number of pages24
Pages (from-to)1391-1414
Publication statusPublished
Early online date9/08/16
Original languageEnglish

Abstract

Objectives: Impulse Control Disorders (ICDs) in Parkinson’s disease (PD) have previously almost exclusively been considered to result from anti-parkinsonian medication. However, this biomedical perspective has failed to achieve a full understanding of the phenomenon and it is argued that a failure to consider psychological factors is a critical omission.

Design: The present study examined the predictive relationship between ICDs in PD and a range of psychological measures, whilst controlling for a number of biomedical determinants.

Main outcome measures: One hundred participants with idiopathic PD completed questionnaires that assessed demographic and clinical characteristics, psychological measures and the presence of ICDs (QUIP-RS).

Results: Increased use of a ‘negative’ coping strategy, stronger illness identity, more emotional illness representations and stress were found to be significant predictors of ICDs, and different psychological predictors were associated with different ICDs. Medication was not found to predict ICDs in the presence of psychological factors, either when total treatment levels were considered or when agonist dose was considered alone.

Conclusions: This study provides the first quantitative evidence of a predominant predictive relationship between psychological factors and ICDs in PD. The results suggest that psychological interventions may have useful therapeutic role to play for ICDs in PD.

Bibliographic note

This is an Accepted Manuscript of an article published by Taylor & Francis in Psychology and Health on 09/08/2016, available online: http://www.tandfonline.com/10.1080/08870446.2016.1218879