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相关概念视频

Working Memory01:24

Working Memory

133
Working memory refers to a combination of components, including short-term memory and attention, that allow an individual to hold information temporarily as we perform cognitive tasks. It is an essential cognitive function that enables the execution of complex tasks such as problem-solving, comprehension, and reasoning. Unlike short-term memory, which simply involves the storage of information for a brief period, working memory involves the active manipulation and processing of this...
133

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在工作记忆期间的神经活动预测了在认知处理治疗之前对计算机执行功能训练的临床反应.

Delaney Davey1,2, Morgan M Caudle3, Samantha N Hoffman2,3

  • 1Department of Psychiatry, University of Illinois at Chicago, Chicago, IL, USA.

Psychological medicine
|December 16, 2024
PubMed
概括

患有PTSD的退伍军人在工作记忆区域显示出更多的大脑活动,他们对结合治疗的认知训练做出了更好的反应. 这表明大脑活动可以预测PTSD的治疗成功.

关键词:
创伤后应激障碍 (PTSD) 是一种生物标志物 生物标志物认知训练是一种认知训练.执行职能 执行职能 执行职能心理治疗是一种心理治疗.退伍军人的退伍军人

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科学领域:

  • 神经科学是一个神经科学.
  • 精神病学是一个精神病学.
  • 认知心理学 认知心理学

背景情况:

  • 执行功能障碍,特别是工作记忆缺陷,在创伤后应激障碍 (PTSD) 中很常见.
  • 这些缺陷可能会限制标准PTSD治疗的有效性.
  • 与PTSD治疗一起针对执行功能障碍可能会改善临床结果.

研究的目的:

  • 研究是否治疗前的执行功能的神经认知标志物预测了PTSD退伍军人的治疗反应.
  • 分析随机对照试验的二次结果,比较综合认知训练和治疗与标准治疗.

主要方法:

  • 60名正在寻求治疗的患有PTSD的退伍军人在工作记忆任务期间接受了功能磁共振成像 (fMRI).
  • 参与者被随机分配到计算机执行功能培训加认知处理疗法 (CEFT + CPT) 或安慰剂培训加CPT (PT + CPT) 六周.
  • 使用线性混合效应模型来评估神经认知基质对PTSD治疗反应的预测价值.

主要成果:

  • 与工作记忆相关的大脑区域 (侧面前额皮质和带带皮质) 活化较大的退伍军人在CEFT + CPT组与PT + CPT组相比,在CEFT + CPT组中改善了PTSD症状轨迹.
  • 在这些区域神经活化较低的个体,无论治疗条件如何,都有类似的PTSD症状变化.

结论:

  • 额头工作记忆区域的活性升高可能表明对新型PTSD干预措施的反应的生物标志物.
  • 具有较高神经反应能力的患者从积极针对认知功能障碍的治疗中获益更多.
  • 这些发现可以提高对PTSD治疗机制的理解,并有助于个性化治疗策略.