工作记忆和处理速度对新发帕金森病认知功能其他方面的影响:网络建模和图形理论的初步发现
Cameron E Ferguson1,2, Jennifer A Foley3,4
1School of Psychological Science, University of Bristol, Bristol, UK.
Journal of neuropsychology
|June 27, 2023
概括
工作记忆和处理速度缺陷在新发帕金森病 (dnPD) 中显著影响认知功能. 这些认知功能在dnPD患者中比健康个体更相互联系.
科学领域:
- 神经科学是一个神经科学.
- 认知心理学 认知心理学
- 神经学 神经学
背景情况:
- 工作记忆 (WM) 和处理速度 (PS) 缺陷被假设在新发帕金森病 (dnPD) 中会损害其他认知功能.
- 在dnPD中,WM,PS和其他认知领域之间的准确相互关系仍然不完全理解.
- 了解这些关系对于理解dnPD的认知特征至关重要.
研究的目的:
- 调查dnPD中口头WM和口头情节性记忆编码/检索之间的关联的强度.
- 为了确定口头的WM和PS是否对 dnPD 中的其他认知功能产生更大的影响,与健康个体相比.
- 为了比较 dnPD 与健康对照组 (HC) 的认知功能的整体相互联系.
主要方法:
- 分析了293名dnPD患者和198名HC患者的数据.
- 使用综合的神经心理学电池评估口头WM,PS,口头情节性记忆,语义记忆,语言和视觉空间功能.
- 使用缺陷分析,网络建模和图形理论来比较群体之间的认知相互关系.
主要成果:
- 虽然口头WM略有损害,但在dnPD网络模型中与口头情节性记忆和其他认知功能有更强的关联,与HC模型相比.
- 处理速度受损,并且与 dnPD 网络内的其他神经心理学分数有更强的联系.
- 在 dnPD 组中,认知任务之间的总体关联明显更强.
结论:
- 工作记忆和处理速度在dnPD中影响其他认知功能方面发挥着重要作用.
- 口头WM和PS似乎对dnPD的认知表现产生了不成比例的较大影响.
- 与健康个体相比,dnPD患者的认知功能更为复杂地交织在一起.
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