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- Damage to the primary visual cortex removes the major input from the eyes to the brain, causing significant visual loss as patients are unable to perceive the side of the world contralateral to the damage. Some patients, however, retain the ability to detect visual information within this blind region; this is known as blindsight.
pubmed.ncbi.nlm.nih.gov/27777337/Blindsight and Unconscious Vision: What They Teach Us about ...
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Affective Pathways Revealed by Studies of Blindsight and Unconscious Vision. Our unconscious response to emotional stimuli probably reflects an evolutionary mechanism, designed to protect us from dangerous or threatening situations.
Sep 28, 2015 · Blindsight: the strangest form of consciousness. Getty Images. (Credit: Getty Images) Some people who have lost their vision find a “second sight” taking over their eyes – an uncanny,...
- Into The Brain
- Blindsight Debunked?
- The Boundaries of Consciousness
Blindsight results from damage to an area of the brain called the primary visual cortex. This is one of the areas, as you might have guessed, responsible for vision. Damage to primary visual cortex can result in blindness – sometimes total, sometimes partial. So how does blindsight work? The eyes receive light and convert it into information that i...
Blindsight has generated a lot of controversy. Some philosophers and psychologists have argued that people with blindsight might be conscious of what is in front of them after all, albeit in a vague and hard-to-describe way. This suggestion presents a difficulty, because ascertaining whether someone is conscious of a particular thing is a complicat...
So, what does blindsight tell us about consciousness? Exactly how you answer this question will heavily depend on which interpretation you accept. Do you think that those who have blindsight are in some sense conscious of what is out there or not? If they’re not, then blindsight provides an exciting tool that we can use to work out exactly what con...
Oct 23, 2016 · Some patients, however, retain the ability to detect visual information within this blind region; this is known as blindsight. By studying the visual pathways that underlie this residual vision in patients, we can uncover additional aspects of the human visual system that likely contribute to normal visual function but cannot be revealed under ...
- Sara Ajina, Holly Bridge
- 2017
Blindsight is the ability of people who are cortically blind to respond to visual stimuli that they do not consciously see due to lesions in the primary visual cortex, also known as the striate cortex or Brodmann Area 17. [1]
Dec 1, 2008 · When Blindness Is in the Mind, Not the Eyes. Patients with unusual visual deficits provide insights into how we normally see. By Vilaynur S. Ramachandran & Diane Rogers-Ramachandran. December...
Jan 19, 2022 · The most commonly known abnormal perceptual experience in HH patients is blindsight: the manifestation of visual information processing in the blind visual field (VF) of individuals with partial or complete damage of the primary visual cortex (V1) (Weiskrantz et al. 1974).
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