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灵长类动物的膜与尾状和腹状条纹体一起处理认知灵活性,更新值的速度与尾状和腹状条纹体相似
Shin-Young An1, Seong-Hwan Hwang1, Keonwoo Lee1
1School of Biological Sciences, Seoul National University (SNU), Gwanak-ro, Gwanak-gu, Seoul 08826, Republic of Korea.
Progress in neurobiology
|December 14, 2024
概括
面和其他条形状区域灵活地更新值以适应性行为,而不是习惯形成. 这表明,在面条纹体中,对认知灵活性进行并行处理.
科学领域:
- 神经科学是一个神经科学.
- 认知科学 认知科学
- 行为神经科学 行为神经科学
背景情况:
- 布塔门传统上与习惯形成有关,通过从腹状条状体通过尾状核进行价值处理.
- 关于皮质神经元处理的特定值和条形体内价值信息流的序列性质存在不确定性.
研究的目的:
- 为了研究灵长神经元编码的价值类型.
- 为了确定价值信息是否通过条状结构 (腹状条状体,尾状核,膜) 连续处理.
- 探索状条纹体 (包括面体) 在价值为基础的决策和认知灵活性中的作用.
主要方法:
- 来自灵长类人中神经元的电生理学记录 膜,尾状核和腹状条纹体.
- 在反向值学习任务中对神经元反应的分析.
- 测量冲击反应时间以评估行为适应.
主要成果:
- 突体,尾状体和腹状条状体的神经元编码了具有相似学习速度的灵活更新值,这与习惯假设相矛盾.
- 在逆向学习过程中,罗斯特拉纹状体神经元动态调整到变化的对象值,与行为调整相关联.
- 价值的获取发生在线条状区域的平行,大多数神经元在稳定检索中不编码习惯性冲动的值.
结论:
- 灵长类动物的膜和其他面状条状区域都参与了认知灵活性的并行处理,而不仅仅是习惯形成.
- 状神经元为适应性行为动态更新值,支持并行处理而不是用于习惯的串行处理.
- 调查结果挑战了对普塔曼角色的传统观点,强调了它对灵活,以价值为基础的决策作出贡献.
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