大型抑郁症症状严重程度与愿意付出努力和补丁食策略的意愿有关
Laura A Bustamante1,2, Deanna M Barch1, Johanne Solis3
1Washington University in St. Louis.
medRxiv : the preprint server for health sciences
|July 1, 2024
概括
重度抑郁症 (MDD) 影响目标导向的行为,但基于努力的决策措施在MDD和对照人群之间没有区别. 然而,焦虑和无情感等特定症状与明显的努力成本模式有关.
科学领域:
- 认知神经科学 认知神经科学
- 精神病学是一个精神病学.
- 行为经济学是一种行为经济学.
背景情况:
- 大型抑郁症 (MDD) 与动机和认知功能受损有关,影响目标导向的行为.
- 个人通常通过平衡潜在的回报与成本,包括努力和机会成本来最大化预期价值.
- 改变MDD的成本效益分析可能解释认知症状和异质性的变化.
研究的目的:
- 量化MDD患者的认知和身体努力成本和补丁离开值.
- 调查这些决策措施与MDD的临床特征之间的关系.
- 通过基于努力的决策来探索潜在的MDD异质性的潜在机制.
主要方法:
- 利用努力食任务来评估努力成本和决策.
- 包括患有MDD的参与者 (N=52) 和对照组 (N=27).
- 研究了决策措施与临床症状严重程度之间的关系,控制能力.
主要成果:
- 在MDD和对照组之间,没有发现MDD和对照组在决策措施中的显著差异.
- 基于努力的决策措施与症状严重程度相关,独立于认知能力.
- 焦虑症状与较低的认知努力成本有关;无聊和冷漠与较高的身体努力成本有关;抑郁症的严重程度与减少的贴片离开值有关.
结论:
- 基于努力的决策标记可能有助于理解MDD异质性.
- 增加认知努力的意愿可能与焦虑有关;MDD中的活力减少可能与离开值有关.
- 未来的研究应该探索抑郁症亚型,特别是那些有和没有焦虑的人,与认知努力相关.
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