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首页> 外文期刊>Neuron >Multisensory mechanisms in temporo-parietal cortex support self-location and first-person perspective.
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Multisensory mechanisms in temporo-parietal cortex support self-location and first-person perspective.

机译：颞顶叶皮层的多感官机制支持自我定位和第一人称视角。

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Self-consciousness has mostly been approached by philosophical enquiry and not by empirical neuroscientific study, leading to an overabundance of diverging theories and an absence of data-driven theories. Using robotic technology, we achieved specific bodily conflicts and induced predictable changes in a fundamental aspect of self-consciousness by altering where healthy subjects experienced themselves to be (self-location). Functional magnetic resonance imaging revealed that temporo-parietal junction (TPJ) activity reflected experimental changes in self-location that also depended on the first-person perspective due to visuo-tactile and visuo-vestibular conflicts. Moreover, in a large lesion analysis study of neurological patients with a well-defined state of abnormal self-location, brain damage was also localized at TPJ, providing causal evidence that TPJ encodes self-location. Our findings reveal that multisensory integration at the TPJ reflects one of the most fundamental subjective feelings of humans: the feeling of being an entity localized at a position in space and perceiving the world from this position and perspective.
机译：自我意识大多是通过哲学探究而不是通过经验神经科学研究来进行的，这导致了多种多样的理论过多以及缺乏数据驱动的理论。通过使用机器人技术，我们通过改变健康受试者的自我定位（自我定位），实现了特定的身体冲突并在自我意识的基本方面引发了可预测的变化。功能性磁共振成像显示颞顶顶交界处（TPJ）的活动反映了自我定位的实验性变化，这归因于触觉和视觉-小室冲突，也取决于第一人称视角。此外，在对神经病患者具有明确自我定位异常状态的大型病灶分析研究中，脑损伤也位于TPJ处，提供了TPJ编码自我定位的因果证据。我们的研究结果表明，TPJ的多感官整合反映了人类最基本的主观感觉之一：被定位在太空中某个位置并从该位置和角度感知世界的感觉。

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