不注意的失明与不注意的记忆丧失对固定但被忽视的单词
1Wellcome Department of Cognitive Neurology, Institute of Neurology, University College London, 12 Queen Square, London WC1N 3BG, UK. geraint@klab.caltech.edu
概括
真正的注意力失明发生在注意力完全投入时,防止对未经监督的单词的感知. 大脑活动显示,单词和随机字母之间没有区别,表明完全无法感知被忽视的视觉信息.
科学领域:
- 认知神经科学 认知神经科学
- 视觉感知 视觉感知 视觉感知
背景情况:
- 个人往往无法回忆被忽视的信息.
- 目前尚不清楚这是由于注意力不集中的失明 (无法感知) 或注意力不集中的失忆症 (快速忘记).
研究的目的:
- 为了研究不注意性失明与不注意性失忆症的神经基础.
- 为了确定当注意力被分割时,是否会感知无人监视的,直接固定的单词.
主要方法:
- 功能成像 (fMRI) 用于测量大脑活动.
- 参与者在他们的注意力被吸引到其他地方时,看着未经监督的单词.
主要成果:
- 当注意力完全投入时,与随机字母相比,大脑对有意义的单词没有显示差异性活动.
- 这种缺乏差异化甚至发生在观众直接固定的刺激中.
结论:
- 这些发现证明了真正的不注意的盲人对话语的盲目.
- 视觉识别非常依赖于注意力集中,即使是眼神中心的熟悉刺激.
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