A model-based analysis of decision making under risk in obsessive-compulsive and hoarding disorders.

ABSTRACT: Attitudes towards risk are highly consequential in clinical disorders thought to be prone to "risky behavior", such as substance dependence, as well as those commonly associated with excessive risk aversion, such as obsessive-compulsive disorder (OCD) and hoarding disorder (HD). Moreover, it has recently been suggested that attitudes towards risk may serve as a behavioral biomarker for OCD. We investigated the risk preferences of participants with OCD and HD using a novel adaptive task and a quantitative model from behavioral economics that decomposes risk preferences into outcome sensitivity and probability sensitivity. Contrary to expectation, compared to healthy controls, participants with OCD and HD exhibited less outcome sensitivity, implying less risk aversion in the standard economi

SUBMITTER: Aranovich GJ 

PROVIDER: S-EPMC5624515 | biostudies-literature | 2017 Jul

REPOSITORIES: biostudies-literature