Abstract：
:Recent investigations suggest that serotonergic mechanisms modulate dimensions of personality, in particular decreases in Anger-Hostility and increases in Affiliation. None of these studies, however, demonstrated a specific serotonergic effect on personality, as other neurotransmitter systems have not been assessed for their impact on these personality dimensions. In this study, 76 depressed outpatients were treated with either the noradrenergic antidepressant desipramine (n = 38) or a selective serotonin re-uptake inhibitor (paroxetine or sertraline) (n = 38) over a period of 8-14 weeks. Personality scores were measured pre- and post-treatment using the revised NEO Personality Inventory, which measures five basic dimensions of personality, with subscales assessing Anger-Hostility and Affiliation (Gregariousness). There was a significant decrease in Neuroticism and Anger-Hostility, and a significant increase in Extraversion and Gregariousness following antidepressant treatment. Although changes in neuroticism and extraversion were significantly correlated with change in depression severity, Anger-Hostility and Gregariousness personality scores were not. Therefore, changes in these personality traits were not attributable to a non-specific effect of medication on changes in depression severity. There were no significant differences in personality change scores between the antidepressant treatment groups. Thus, while antidepressants may have a direct effect on neurochemical pathways relevant to personality, independent of changes in depression severity, these effects cannot be directly or specifically attributed to a serotonergic mechanism.
journal_name
Psychiatry Resjournal_title
Psychiatry researchauthors
Bagby RM,Levitan RD,Kennedy SH,Levitt AJ,Joffe RTdoi
10.1016/s0165-1781(99)00041-4subject
Has Abstractpub_date
1999-06-30 00:00:00pages
211-6issue
3eissn
0165-1781issn
1872-7123pii
S0165-1781(99)00041-4journal_volume
86pub_type
临床试验,杂志文章abstract：:This study was designed to examine the prevalence and the risk factors of poor sleep quality in 4318 incoming university students in Taiwan. The test battery comprised a self-administered structured questionnaire, including items related to personal medical history and lifestyle habits, the Measurement of Support Func...
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