The longitudinal change pattern of cognitive subtypes in medication-free patients with major depressive disorder: a cluster analysis

认知 重性抑郁障碍 心理学 星团(航天器) 睡眠剥夺对认知功能的影响 临床心理学 医学 精神科 计算机科学 程序设计语言
作者
Weilong Guo,Bangshan Liu,Xiyu Wei,Yumeng Ju,Mi Wang,Qiangli Dong,Xiaowen Lu,Jinrong Sun,Liang Zhang,Hua Guo,Futao Zhao,Weihui Li,Zexuan Li,Mei Liao,Li Zhang,Jin Liu,Yan Zhang,Lingjiang Li
出处
期刊:Psychiatry Research-neuroimaging [Elsevier BV]
卷期号:327: 115413-115413 被引量:6
标识
DOI:10.1016/j.psychres.2023.115413
摘要

This study aimed to investigate whether there are different cognitive subtypes in patients with major depressive disorder (MDD) and the change pattern of cognitive clusters across the course of MDD. A battery of comprehensive cognitive tests was used to assess the executive function, processing speed, attention, and memory of 153 medication-free patients and 142 healthy controls (HCs). After 6 months of treatment with antidepressants, 87 patients completed cognitive tests again. K-means cluster analysis was performed to determine the cognitive subtypes. A preserved cognition cluster and an impaired cognition cluster were identified in the acute episode phase and the 6-month follow-up phase. 80.5% of the patients remained in their original subgroup after 6 months of treatment. The impaired cognition cluster during the 6-month follow-up period could be predicted by impaired cognition during the episode phase, disease state (remission or non-remission), current illness duration, and education level. This study supporting the heterogeneity of cognitive performance across the course of disease in patients with MDD using cluster analysis. It was found that cognitive impairment during depressive episodes was predictive of poorer cognitive performance even after treatment with antidepressants. Therefore, interventions targeting cognitive function from the early stages of MDD is essential.
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