title: Post-event processing in social anxiety disorder: Examining the mediating roles of positive metacognitive beliefs and perceptions of performance.
abstract: Post-event processing (PEP) is defined as repetitive negative thinking following anxiety provoking social events. PEP is thought to maintain anxiety symptoms in Social Anxiety Disorder (SAD) but little is known about the specific factors that contribute to the maintenance of PEP.
  
  
  
  The current study investigated how perceptions of performance and positive metacognitive beliefs might contribute to the persistence of PEP.
  
  
  
  Participants with SAD (n = 24) as well as anxious (n = 24) and healthy (n = 25) control participants completed a standardized social performance task in the lab. Their engagement in PEP and perceptions of performance were assessed in the week that followed.
  
  
  
  Immediately following the social task, individuals with SAD rated their performance more negatively and endorsed a greater number of positive metacognitive beliefs about PEP than did participants in both control groups. Importantly, both metacognitive beliefs and initial negative self-ratings of performance mediated the relationship between group status and PEP in the days following the event.
  
  
  
  These results are consistent with cognitive and metacognitive models of SAD and enhance our understanding of the cognitive processes which may function to initiate and maintain negative thinking patterns in SAD.
authors.affiliation: Department of Psychology and Centre for Mental Health Research, University of Waterloo, Waterloo, ON N2L 3G1, Canada; Anxiety Treatment and Research Clinic, St. Joseph's Healthcare Hamilton, Hamilton, ON L8N 3K7, Canada; Department of Psychiatry and Behavioural Neurosciences, McMaster University, Hamilton, ON L8S 4L8, Canada. Electronic address: dgavric@uwaterloo.ca.
authors.forename: Dubravka
authors.initials: D
authors.lastname: Gavric
authors.affiliation: Department of Psychology and Centre for Mental Health Research, University of Waterloo, Waterloo, ON N2L 3G1, Canada.
authors.forename: David A
authors.initials: DA
authors.lastname: Moscovitch
authors.affiliation: Anxiety Treatment and Research Clinic, St. Joseph's Healthcare Hamilton, Hamilton, ON L8N 3K7, Canada; Department of Psychiatry and Behavioural Neurosciences, McMaster University, Hamilton, ON L8S 4L8, Canada.
authors.forename: Karen
authors.initials: K
authors.lastname: Rowa
authors.affiliation: Anxiety Treatment and Research Clinic, St. Joseph's Healthcare Hamilton, Hamilton, ON L8N 3K7, Canada; Department of Psychiatry and Behavioural Neurosciences, McMaster University, Hamilton, ON L8S 4L8, Canada.
authors.forename: Randi E
authors.initials: RE
authors.lastname: McCabe
mesh_terms: D000328:Adult; D016022:Case-Control Studies; D005260:Female; D006801:Humans; D008297:Male; D000067489:Metacognition; D000072861:Phobia, Social / Q000523:psychology*; D011597:Psychomotor Performance; D012647:Self-Assessment; D013850:Thinking; D055815:Young Adult
keywords: Cognitive behavioural therapy; Metacognitive beliefs; Post-event processing; Rumination; Social anxiety