Background: Although culture can affect emotional and behavioral reactions, there is little research on the manifestations of obsessive-compulsive disorder (OCD) among Latinos. Previous studies using a fear extinction model with a non-Latino population showed that individuals with OCD have difficulty maintaining safety memories. Their neuropsychological performance has shown inconsistent findings. We compared Puerto Ricans with OCD and healthy controls on fear extinction retention, neuropsychological performance, and psychological self-reports. Methods: 17 healthy and 11 Puerto Rican adults with OCD underwent a fear conditioning and extinction paradigm using neutral visual cues that were paired or unpaired with an electric stimulus to elicit skin conductance responses. Neuropsychological tests (WCST,EST,MSIT) and psychological self-reports (BAI,BDI,STAI,PANAS,EDS)were administered. Results: OCD subjects did not show impaired extinction recall. However, they showed higher reaction times towards neutral than threat-related words on the EST, compared to healthy controls. No differences on neuropsychological tests that lacked emotional content were observed. OCD subjects showed increased symptoms of anxiety, trait anxiety, depression, negative affect, and emotional dysregulation. Conclusions: Puerto Ricans with OCD may have physiological and neuropsychological characteristics that are similar to healthy subjects, but a different psychological profile, which can be used to tailor cultural adaptations of evidence-based treatments for OCD.
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