The decision to process an incoming stimulus attentively - and to trigger a follow-up cascade of high-level processes - is strategic for the human brain as it becomes transiently unavailable to subsequent stimulus processing. In this study, we set to identify brain networks that carry out such evaluations. We therefore assessed the time-course of neural responses with intracerebral EEG in human patients during an attentional reading task, contrasting to-be-attended vs. to-be-ignored items. We measured High-Frequency Activity [50-150 Hz] as a proxy of population-level spiking activity and we identified a crucial component of a Gate-Keeping Mechanism bilateral in the mid-Ventro-Lateral Prefrontal Cortex (VLPFC), at the interplay of the Ventral and Dorsal Attention Networks, that selectively reacts before domain specialized cortical regions that engage in full stimulus analysis according to task demands.

中文翻译：

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人脑中基于对象的注意力的实时标记。在腹外侧前额叶皮层执行后期注意选择的“守门机制”的可能组成部分

专心处理传入刺激的决定 - 并触发后续的高级过程级联 - 对人脑具有战略意义，因为它对后续刺激处理暂时不可用。在这项研究中，我们着手确定进行此类评估的大脑网络。因此，我们在注意力阅读任务期间评估了人类患者脑内 EEG 神经反应的时间过程，对比了待注意和待忽略的项目。我们测量了高频活动 [50-150 Hz] 作为人口水平尖峰活动的代表，我们确定了中腹外侧前额叶皮层 (VLPFC) 双边守门机制的关键组成部分，在相互作用中腹侧和背侧注意网络，