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Aust N Z J Psychiatry. 2012 Feb;46(2):161-9. doi: 10.1177/0004867411432851.

Clinical and neurocognitive profiles of subjects at high risk for psychosis with and without obsessive-compulsive symptoms.

Author information

1
Department of Brain and Cognitive Sciences-World Class University Program, College of Natural Sciences, Seoul National University, Seoul, Republic of Korea.

Abstract

OBJECTIVE:

Obsessive-compulsive symptoms (OCS), which are common in psychotic-spectrum illnesses, are of clinical interest because of their association with poor prognosis or cognitive dysfunction. However, few studies on the clinical and neurocognitive implications of OCS in individuals at ultra-high risk for psychosis (UHR) have been conducted.

METHOD:

Sixty-five UHR subjects [24 with OCS (UHR+OCS), 41 without OCS (UHR-OCS)], and 40 healthy controls were assessed using clinical scales and neurocognitive tests.

RESULTS:

Those with UHR+OCS showed more severe clinical symptoms and poorer global functioning as compared to both healthy controls and the UHR-OCS group, according to the results of the Global Assessment of Functioning, the Comprehensive Assessment of At-Risk Mental States, and the Positive and Negative Syndrome Scale (total, negative, and general scores). In the neurocognitive domain, those in the UHR-OCS group showed notably greater latency in the Stroop task and more confabulation errors in immediate recall in the Rey-Osterrieth Complex Figure Test compared with those in UHR+OCS group, whose performance levels were similar to those of the healthy control group.

CONCLUSIONS:

The OCS manifested in UHR individuals was associated with a more severe clinical symptomatic presentation, including lower global functioning and more psychotic symptoms. On the other hand, those with UHR-OCS performed more poorly on some cognitive tests. The features that distinguish the groups can be used for developing prognoses and intervention strategies for the heterogeneous UHR group.

PMID:
22311532
DOI:
10.1177/0004867411432851
[Indexed for MEDLINE]

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