Subconscious Sight: The Neurological Paradox of the Blindsight Phenomenon
Cortical Blindness, Navigation, and the Hidden Visual Processing of the Reptilian Brain
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Beschreibung
They live in absolute darkness and cannot see the obstacle in front of them. Yet, their ancient reptilian brain forces their body to flawlessly step around it.
If a person is completely blind due to catastrophic damage to their visual cortex, they cannot consciously see a single photon of light. Yet, if you place them in a hallway filled with chairs and boxes and ask them to walk forward, they will flawlessly sidestep every single obstacle without knowing how they did it. This impossible paradox is known as the Blindsight Phenomenon.
The human brain possesses a hidden, evolutionary backup system. While the conscious visual cortex may be destroyed, the older, more primitive parts of the brain—the superior colliculus—still receive raw data directly from the optic nerve. This "reptilian brain" processes movement and spatial awareness entirely below the threshold of conscious thought, silently puppeteering the body's motor functions to avoid danger.
This book delves into the profound mystery of unconscious perception. We explore the astounding clinical trials where cortically blind patients can catch thrown balls and accurately guess the emotional expressions of faces they literally cannot see.
Challenge your understanding of reality. Discover the silent, ancient autopilot that continues to steer your body even when your conscious mind is plunged into absolute darkness.
Autor*in
Jeffrey Miller
Author
Themen in »Subconscious Sight: The Neurological Paradox of the Blindsight Phenomenon«
blindsight phenomenon cortical blindness visual processing subconscious navigation neuroscience of vision reptilian brain sensory anomalies