Wallace-Hadrill, SMA; (2015) An investigation into the effectiveness of a brief imagery-based "defusion" strategy in reducing nicotine cravings. Doctoral thesis , UCL (University College London).

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Abstract

Volume 1 of this thesis is presented in three parts. Part 1 is a systematic review of experimental or quasi-experimental studies that investigate the impact of the strategic adoption of vantage perspective on affect. Vantage perspective describes either adopting a first- or third-person perspective, either in mental imagery or verbal modalities. Part 2 describes a study exploring the impact of two mental imagery craving regulation strategies in cigarette smokers on craving, affect and smoking behaviour. One strategy is based on “defusion,” a technique used within Acceptance and Commitment Therapy, and the other is based on the use of imagery replacement, a cognitive psychology approach. Smoking behaviour is measured explicitly through latency to smoke and number of cigarettes smoked, and implicitly through the use of a stimulus-response task measuring approach and avoidance behaviour. Part 3 is a critical appraisal of three elements of the empirical paper, designing the mental imagery craving regulation strategies, the limitations of the study design, and the difficulties of the recruitment process and the subsequent impact on the empirical study.

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