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DClinPsy Portfolio Volume 1 of 3 - University of Hertfordshire ...

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Taking such a perspective may also provide an explanation for the co-morbidity in<br />

clinical practice as ‘pure’ cases <strong>of</strong> a disorder are thought to be relatively rare with many<br />

individuals diagnosed with ED also having depression/anxiety (Kessler, McGonagle,<br />

Zhao, Nelson, Hughes, Eshleman, Wittchen and Kendler, 1994). Thus a treatment that<br />

reverses the maintaining processes in one disorder could improve all the disorders<br />

present.<br />

Gowers and Bryant-Waugh (2004) point out that although eating disorders in children<br />

and adolescents remain a serious cause <strong>of</strong> morbidity and mortality, the evidence base for<br />

effective interventions is surprisingly weak. Fairburn, Shafran and Cooper (2003), have<br />

concluded that available therapies that have undergone evaluation are not effective<br />

enough, as at best, only half the patients make a full and lasting response which raises the<br />

question “Why aren’t more people getting better?” There is research currently being<br />

conducted into a transdiagnostic perspective on the maintenance <strong>of</strong> eating disorders, with<br />

Fairburn (2008) pioneering an enhanced approach. However, Fairburn’s approach does<br />

not consider ‘inflexibility’ as investigated in this study.<br />

A further indicator <strong>of</strong> a transdiagnostic model <strong>of</strong> understanding eating pathology is the<br />

shared risk factors identified <strong>of</strong> which body image dissatisfaction has been put forward as<br />

the single strongest predictor <strong>of</strong> eating disorder symptomatology among women (Polivy<br />

and Herman, 2002).<br />

Body image dissatisfaction and mood regulation<br />

Body image dissatisfaction defined as ‘subjective dissatisfaction (negative thoughts and<br />

feelings) with ones physical appearance’ (Littleton and Ollendick, 2003) is higher in<br />

adolescent females reporting disordered eating, (Croll, Neumark-Stainer, Story & Ireland,<br />

2002). Individuals with body image dissatisfaction have also been found to present with<br />

negative cognitive distortions, (Williamson, 1996), thus helping to explain the link<br />

between body image dissatisfaction and depression.<br />

265

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