ED - Intolerance of uncertainty in eating disorders, an update on the field
3 important questions on ED - Intolerance of uncertainty in eating disorders, an update on the field
Intolerance of uncertainty: Anxiety
- IU was first conceptualised as a potentially significant construct underlining GAD
- it is a proposed trigger for behaviour in anxiety related disorders
- trate IU predicts GAD, OCD, and SAD, and other anxiety disorders
- trait IU consists of
- desire for predictability
- uncertainty paralysis - metacognitive therapy for GAD, and imagery-enhanced CBT for SAD show an association between a decrease in IU and a reduction in repetitive-negative thinking
- no association between IU and depression
IU: BN and anxiety
- high levels of anxiety
- binging reduces anxiety of everyday life, and individuals feel nervous leading up to the binge
- anxiety and terror after purging because of fear for weight gain and associated changes in physical appearance.
- purging is in accordance with the Anxiety Reduction Model of BN
- if subjects with BN are prevented from purging after binging, they report heightened feelings of anxiety
IU in the eating disorders
- participants were tested with the bead probability task where they had to guess from which jar with red and green beads a red or green bead was taken
- those with ED rated a higher level of distress then controls
- those with AN showed a higher measure of IU than those of people with BN
- IU is more strongly related with restrictive as opposed to binging psychopathology
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