灭绝试验的神经表示的差异与灭绝学习性能和更新水平有关
Silke Lissek1, Martin Tegenthoff1
1Department of Neurology, BG University Hospital Bergmannsheil, Ruhr-University Bochum, Bochum, Germany.
Frontiers in behavioral neuroscience
|March 12, 2024
概括
灭的反应的更新与大脑活动有关. 在灭绝学习过程中,更好地对海马体 (HC),下额头 (IFG) 和腹中PFC (vmPFC) 中的与上下文相关的试验进行歧视,减少了更新.
科学领域:
- 神经科学是一个神经科学.
- 认知神经科学 认知神经科学
- 学习和记忆的学习和记忆
背景情况:
- 灭绝后的响应更新与像海马体 (HC),下额头回环 (IFG) 和中腹前额叶皮质 (vmPFC) 这样的大脑区域的活动有关.
- 这些地区对于处理背景和指导基于该背景的决策至关重要.
- 目前尚不清楚不同试验类型 (改变与不改变的结果,更新引发的ABA与非更新引发的AAA试验) 如何在神经上表现.
研究的目的:
- 为了研究ABA和AAA灭绝试验之间的神经表示差异.
- 检查这些表示,灭绝错误率和响应更新水平之间的关系.
- 了解预测错误反在歧视中的作用.
主要方法:
- 使用了代表性相似性分析 (RSA).
- 分析了ABA和AAA灭绝试验的神经表现.
- 评估了神经表示,错误率和更新之间的关系.
主要成果:
- 更新 (REN) 个体在右后HC中表现出更多与背景相关的歧视,而不是非更新者 (NoREN).
- 在灭绝学习期间HC和IFG的更高的代表差异与较低的ABA更新率相关.
- 两组都受益于对歧视的预测错误反,但只有NoREN利用了AAA错误的反.
结论:
- 在HC,vmPFC和IFG中的背景和结果歧视与灭绝学习错误有关,无论更新趋势如何.
- 在REN和NoREN组之间存在不同的上下文处理策略.
- 在灭绝学习过程中,改善了与上下文相关的试验的歧视,与更新的减少有关,这表明更新可能源于低于最佳的歧视.
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