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  - WN.COM - Science - 27/Jun 23:47

Neuroscientists identify key gatekeeper of human consciousness

A new study published in Science has identified the thalamus as a central player in how humans become consciously aware of visual information. By recording electrical activity directly from the brains of five patients during a visual task, scientists discovered that specific thalamic regions activate earlier and more strongly during moments of visual awareness. These findings suggest that the intralaminar and medial thalamic nuclei act as a gateway that initiates conscious perception by influencing the activity of the prefrontal cortex. The thalamus is a small, egg-shaped structure located deep in the center of the brain. It acts as a hub for relaying sensory information—like sight, sound,...

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