全球神经工作空间和意识的综合信息理论的对抗性测试
, Oscar Ferrante1, Urszula Gorska-Klimowska2
1Centre for Human Brain Health, School of Psychology, University of Birmingham, Birmingham, UK.
Nature
|April 30, 2025
概括
这项研究使用人脑成像直接比较了综合信息理论 (IIT) 和全球神经元工作空间理论 (GNWT). 这些发现挑战了两个主要的意识理论的核心预测.
科学领域:
- 神经科学
- 认知科学
- 思想的哲学
背景情况:
- 主观经验来自于大脑活动,各种理论试图解释这一现象.
- 像集成信息理论 (IIT) 和全球神经元工作空间理论 (GNWT) 这样的现有理论已经独立地积累了证据,但缺乏直接比较.
- 一个开放的科学对抗性协作是直接对立 IIT 和 GNWT 的.
研究的目的:
- 使用理论中立的联盟直接比较综合信息理论 (IIT) 和全球神经元工作空间理论 (GNWT).
- 开发和预先注册一个实验设计,与IIT和GNWT的不同预测.
- 使用人类神经成像数据系统地测试主要意识理论的关键原则.
主要方法:
- 一个开放的科学对抗性协作,
- 预先注册的实验设计与不同的预测和预期结果.
- 人类参与者 (n=256) 在接受功能磁共振成像 (fMRI),磁脑成像 (MEG) 和内电脑成像 (iEEG) 时观察各种刺激.
主要成果:
- 有关意识内容的信息在视觉,腹腔和下额叶皮层中被发现.
- 脑后和侧皮层持续的神经反应反映了刺激的持续时间.
- 在前部和早期视觉区域之间发生了内容特定的同步,挑战了IIT和GNWT的关键预测.
结论:
- 这项研究挑战了综合信息理论 (IIT) 和全球神经元工作空间理论 (GNWT) 的核心原则.
- 缺乏持续的后部同步与 IIT 的网络连接要求相矛盾;缺少点火和有限的前额表达挑战了 GNWT.
- 这些发现突显了认知神经科学系统理论测试和构建的定量框架的需要, 倡导合作研究.
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