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Updated: Jan 30, 2026

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习惯形成的神经基础在目标定向响应切换中测量
Mario Michiels1,2, Vincent Man3, David Luque4,5
1CINAC, Hospital Universitario HM Puerta del Sur, Madrid, Spain.
iScience
|January 29, 2026
概括
压倒性的习惯性行为会产生代价,涉及大脑中不同的神经通路. 这项研究揭示了大脑如何在自动习惯和故意目标导向的行为之间切换.
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
- 行为科学 行为科学
背景情况:
- 用目标导向的控制取代习惯性的行为需要付出代价,但人类的神经机制尚不清楚.
- 了解这种成本对于破译自动行为和意志行为之间的相互作用至关重要.
研究的目的:
- 量化取代习惯性行为以目标导向的控制所带来的成本.
- 为了发现与这种行为转变相关的神经相关.
- 研究特定大脑区域在习惯控制中的因果作用.
主要方法:
- 功能磁共振成像 (fMRI) 用于观察大脑活动.
- 神经刺激技术来探讨因果关系.
- 漂移扩散建模分析反应时间 (RT) 交换机成本.
主要成果:
- 与标准训练刺激相比,过度训练刺激中的训练刺激-反应 (S-R) 联系增加了RT转换成本.
- 习惯表达涉及皮质网络 (右S1,左前胰岛/前额叶区域) 和基底腺.
- 主要的习惯涉及左前运动皮质和皮质,刺激因果增强习惯控制.
结论:
- 压倒性习惯的代价背后的神经机制涉及习惯和目标导向大脑区域之间的相互作用.
- 特定的大脑网络,包括感觉运动区域,基底和前额叶区域,在习惯表达和覆盖过程中被差异地参与.
- 左前运动皮质在调节习惯控制中起着因果作用,为行为灵活性提供了洞察力.
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