Abstract：
BACKGROUND:Self-referential processing (i.e. linking internal and external stimuli to one's own self) has received scant attention thus far in schizophrenia. This type of processing is a key component of social cognition and thought to be important for adaptive social functioning. Memory studies in healthy subjects have shown that stimuli processed with reference to the self are better remembered than stimuli processed in other semantic forms. It is not known whether schizophrenia patients benefit from such a memory boost for self-referenced information. METHODS:Twenty-five schizophrenia patients and 22 controls were assessed with a self-referential recognition memory paradigm. During an encoding phase, participants rated personality adjectives in each of three conditions: (1) structural features (uppercase or lowercase letters?); (2) social desirability (is adjective socially desirable or not?); or (3) self-referential (does adjective describe me or not?). Recognition memory for these personality adjectives was then tested during an unexpected yes-no recognition test. RESULTS:Patients and controls were comparable in memory performance for the structural (p=0.12) and social desirability (p=0.30) conditions. In contrast, patients showed significantly reduced recognition sensitivity compared to controls for the self-referential condition (p=0.03). DISCUSSION:Compared to healthy controls, patients with schizophrenia did not benefit from a memory boost for self-referenced information. Such impaired self-referential memory may be associated with abnormal function of the medial prefrontal cortex. The inability to enhance memory for personally relevant information may partly explain poor social functioning in schizophrenia patients.
journal_name
Schizophr Resjournal_title
Schizophrenia researchauthors
Harvey PO,Lee J,Horan WP,Ochsner K,Green MFdoi
10.1016/j.schres.2010.11.011subject
Has Abstractpub_date
2011-04-01 00:00:00pages
171-7issue
1-3eissn
0920-9964issn
1573-2509pii
S0920-9964(10)01640-3journal_volume
127pub_type
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