Genetic Correlates of Maladaptive Beliefs: COMT VAL158MET and Irrational Cognitions Linked Depending on Distress

Ioana Podina, Radu Popp, Ioan Pop, Daniel David

Research output: Contribution to journalArticlepeer-review

11 Scopus citations

Abstract

Maladaptive/irrational beliefs are significant cognitive vulnerability mechanisms in psychopathology. They are more likely to be associated with a genetic vulnerability marker under conditions of emotional distress when irrational beliefs are more salient. Therefore, in the current study we investigated the COMT Val158Met gene variation in relation to irrational beliefs, assuming this relationship depended on the level of emotional distress.Two hundred and sixty-seven genotyped volunteers were assessed for core/general maladaptive beliefs, as well as trait emotional distress. We focused on context-independent measures of irrational beliefs and emotional distress in the absence of a stressor. As expected, the relationship between COMT Val158Met and irrational beliefs depended on the level of emotional distress (f2=.314). The COMT Val158Met-irrationality association was significant only when individuals fell in the average to above average range of emotional distress. Furthermore, within this range the Met allele seemed to relate to higher irrational beliefs.These results were significant for overall irrational beliefs and its subtypes, but not for rational beliefs, the functional counterpart of irrationality. In light of the study's limitations, the results should be considered as preliminary. If replicable, these findings have potential implications for therapygenetics, changing the view that COMT Val158Met might be of greater relevance when treatment modality does not rely on cognitive variables.

Original languageEnglish
Pages (from-to)797-808
Number of pages12
JournalBehavior Therapy
Volume46
Issue number6
DOIs
StatePublished - 2 Nov 2014

Keywords

  • COMT ValMet
  • Distress
  • Irrationality
  • Maladaptive beliefs

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