Abstract：
:This systematic review and meta-analysis examined the evidence supporting the association between body dysmorphic disorder (BDD) symptomology and four types of cognitive processing abnormalities: local processing, selective attention, interpretive biases, and memory deficits. Twenty-three studies met inclusion requirements that examined differences in performance on cognitive tasks between BDD and control groups across the four categories. Multilevel modelling was used to calculate an overall effect size for each cognitive category. BDD and control groups differed significantly on measures of selective attention (g = 0.60, 95% CI = 0.26: 0.93), interpretive biases (g = 0.30, 95% CI = . 07: 0.54), and memory deficits (g=.56, 95% CI = 0.26: 0.87). Differences between the BDD and control groups on measures of local processing did not reach significance. These findings support the hypothesis that people with BDD may selectively attend to perceived threats or to disorder-related stimuli, misinterpret ambiguous stimuli as threatening, overvalue the importance of attractiveness, and have inaccurate coding and recall for facial or bodily stimuli. Recommendations for future research of these specific cognitive deficits in BDD include introducing the use of Modified Dot Probe Paradigms and new treatment targets that can be used as adjuncts to current treatment modalities.
journal_name
Behav Res Therjournal_title
Behaviour research and therapyauthors
Johnson S,Williamson P,Wade TDdoi
10.1016/j.brat.2018.05.013subject
Has Abstractpub_date
2018-08-01 00:00:00pages
83-94eissn
0005-7967issn
1873-622Xpii
S0005-7967(18)30087-1journal_volume
107pub_type
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