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Therefore, it has been suggested that difficulty inhibiting responses to stimuli associated with strong action tendencies may underlie symptoms. The present electrophysiological study examined whether stimuli evoking a strong automatic response are associated with enhanced action tendencies in OCD participants relative to healthy controls.<\/jats:p><\/jats:sec><jats:sec id=\"S0033291719003866_sec_a2\" sec-type=\"methods\"><jats:title>Methods<\/jats:title><jats:p>The lateralized readiness potential (LRP) and the N2 event-related potential (ERP) components were used as measures of action tendencies and inhibition, respectively. ERPs were recorded while 38 participants diagnosed with OCD and 38 healthy controls performed a variation of the Stroop task using colored arrows.<\/jats:p><\/jats:sec><jats:sec id=\"S0033291719003866_sec_a3\" sec-type=\"results\"><jats:title>Results<\/jats:title><jats:p>The OCD group presented with larger LRP amplitudes than the control group. This effect was found specifically in the incongruent condition. Furthermore, an interaction effect was found between group and congruency such that the OCD group showed a reduced N2 in the incongruent condition compared to the congruent condition, whereas the control group demonstrated the opposite effect. Results support the hypothesis that OCD is characterized by stronger readiness-for-action and impaired inhibitory mechanisms, particularly when the suppression of a dominant response tendency is required. Our results were supported by source localization analyses for the LRP and N2 components. These findings were specific to OCD and not associated with anxiety and depression symptoms.<\/jats:p><\/jats:sec><jats:sec id=\"S0033291719003866_sec_a4\" sec-type=\"conclusions\"><jats:title>Conclusions<\/jats:title><jats:p>The present results support the notion of stronger habitual behavior and embodiment tendencies in OCD and impaired inhibitory control under conditions of conflict.<\/jats:p><\/jats:sec>","DOI":"10.1017\/s0033291719003866","type":"journal-article","created":{"date-parts":[[2020,1,7]],"date-time":"2020-01-07T09:29:57Z","timestamp":1578389397000},"page":"948-963","update-policy":"https:\/\/doi.org\/10.1017\/policypage","source":"Crossref","is-referenced-by-count":14,"title":["Affordances, response conflict, and enhanced-action tendencies in obsessive-compulsive disorder: an ERP 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