Abstract：
:Depressed mood is prevalent among individuals with schizophrenia, leading to difficulties in functioning. Typically, depressed mood is evaluated using retrospective assessments during which individuals are asked to recall their mood during the past week or month. However, as individuals with schizophrenia may display memory difficulties, the results of such assessments may be biased, potentially leading to inaccurate clinical characterizations and/or suboptimal treatment. Our aim was to assess the potential impact of long-term memory on depressed mood in individuals with schizophrenia. Employing an Experience Sampling Method (ESM) approach, 51 individuals with schizophrenia and 22 healthy controls rated their momentary emotions up to 10 times/day over a two-day period, along with retrospective measures of depressed mood, long-term memory, quality of life, social functioning, and symptoms. ESM assessment of real-time depressed mood demonstrated discriminant and convergent validity. Among the schizophrenia group, there was a significant correlation between the real-time and retrospective measures of depressed mood. However, once variance due to long-term memory was controlled, the relationship between the real-time and retrospective measure was no longer significant. The findings suggest that a real-time measure of depressed mood may allow overcoming some of the limitations associated with long-term memory difficulties common among individuals with schizophrenia.
journal_name
Psychiatry Resjournal_title
Psychiatry researchauthors
Blum LH,Vakhrusheva J,Saperstein A,Khan S,Chang RW,Hansen MC,Zemon V,Kimhy Ddoi
10.1016/j.psychres.2015.03.008subject
Has Abstractpub_date
2015-06-30 00:00:00pages
318-23issue
2-3eissn
0165-1781issn
1872-7123pii
S0165-1781(15)00128-6journal_volume
227pub_type
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