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E-ISSN : 2733-4538
This study investigated the neuropsychological functioning of female college students with schizotypal and obsessive-compulsive traits. Based on scores from the Schizotypal Personality Questionnaire(SPQ), Maudsley Obsessive-Compulsive Inventory(MOCI), and the Padua Inventory(PI), schizotypal-trait(n=18), obsessive -compulsive trait(n=19) and normal control(n=22) groups were selected. For the measurement of neuropsychological functions, attention(Trail Making Test: TMT, d2, Stroop test), memory(Korean version of California Verbal Learning Test: K-CVLT, Rey-Osterrieth Complex Figure Test: RCFT), and executive(Wisconsin Card Sorting Test: WCST) tests were administered. The schizotypal-trait group demonstrated significantly prolonged response time on the word-reading task of the Stroop test and poorer concentration performance of the d2 test than both the obsessive-compulsive trait and control groups. In addition, the schizotypal-trait and obsessive-compulsive trait groups exhibited more total errors, perseverative responses and perseverative errors on the WCST. In other words, the schizotypal-trait group demonstrated deficits in attention, memory and executive function, whereas the obsessive-compulsive trait group showed deficits in executive function only. In addition, the obsessive-compulsive trait group exhibited significantly higher scores on SPQ than normal controls, while the schizotypal-trait group demonstrated higher scores on the MOCI and PI than normal controls. These neuropsychological and behavioral results indicate that both schizotypal-trait and obsessive-compulsive trait groups share common cognitive deficits, i.e., deficits in executive function, and symptoms.
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