Abstract：
:The aim of our study was to investigate whether patients with obsessive-compulsive disorder (OCD) have impaired incidental memory for frequency. Fifty-four subjects (27 OCD patients and 27 matched control subjects) performed a task assessing estimation of occurrence of previously heard words. Performance on this task was compared with other intentional verbal memory tasks (recognition, recall and learning of common words). We also correlated memory for frequency with frontal lobe tests (Wisconsin Card Sorting Test, Trail Making Tests A and B, and verbal fluency). Performance on incidental learning of frequency was significantly worse in the OCD group than in control subjects. Other verbal memory measures did not show significant differences. Performance in the frequency task correlated with verbal fluency. Although intentional verbal memories are normal in OCD patients, incidental memory for frequency is impaired, suggesting that prefrontal systems are involved in OCD.
journal_name
Psychiatry Resjournal_title
Psychiatry researchauthors
Jurado MA,Junqué C,Vallejo J,Salgado Pdoi
10.1016/s0165-1781(01)00322-5subject
Has Abstractpub_date
2001-11-30 00:00:00pages
213-20issue
3eissn
0165-1781issn
1872-7123pii
S0165-1781(01)00322-5journal_volume
104pub_type
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