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The ability of a blind person to sense the presence of a light source.


(Psychology) the ability to respond to visual stimuli without having any conscious visual experience; it can occur after some forms of brain damage



the ability of a blind person to sense accurately a light source or other visual stimulus.
References in periodicals archive ?
2 by Richard Powers, and Blindsight by Peter Watts; telepathy in Patrick NessAE Chaos Walking; synesthesia, embodiment, and detail-oriented perception in relation to autism and its representation in fictional and autobiographical writing, including Jodi PicoultAEs House Rules, Elizabeth MoonAEs Speed of Dark, Claire MorrallAEs The Language of Others, Temple GrandinAEs Thinking in Pictures, and Daniel TammetAEs Born on a Blue Day; the dual, real-fictional dimension of human life in Pigeon English by Stephen Kelman and Filth by Irvine Welsh; the reality/fiction dichotomy in relation to the depiction of the state of mind resulting from artistic inspiration or its absence in Russell HobanAEs The Medusa Frequency; how A.
Eleonore Stump, "Faith, Wisdom, Testimony," suggests that the way faith provides knowledge without direct acquaintance is analogous to blindsight, as described in Lawrence Weiskrantz, Blindsight (Oxford: Oxford University Press, 2009).
In the first part of the project we will employ behavioural as well as brain imaging methods to study the basic neural mechanisms of blindsight, that is, above chance visually guided behaviour in hemianopic patients in the absence of visual awareness.
Damage localised to the primary visual cortex produces a strange phenomenon known as cortical blindsight, (11) a condition which leaves the patient 'consciously' blind.
Aside from O'Callaghan's unfortunate overstating of the abilities of those with blindsight (86-87), Pacherie's discussion of Libet and Wegner's controversial interpretations of their own experimental findings will stoke the passions (102-5), whilst at the same time be useful for pure philosophy students as a starting point for understanding the reasoning skills needed to interpret psychological results.
This compelling and novel claim with respect to Gee's (adult) fiction is defended through the close textual analysis of The Plumb Trilogy (1995), Prowlers (1987), Going West (1993), Crime Story (1994), and Blindsight (2005).
For example, people with blindsight are unable to perceive certain regions of their visual field consciously.
Unconscious vision: New insight into the neuronal correlate of blindsight using diffusion tractography.
Each chapter describes a unique perceptual phenomenon: attention; automatic mechanisms, including aftereffects for color, motion, and tilt; singularity and multiplicity; forced seeing; looking without seeing; damage to brains, including visual agnosias and deficits such as scotomas, blindsight, and problems in allocating attention correctly, as in neglect, extinction, and Balint's syndrome; and evolutionary influences.
Peter Watts, author of Starfish, Maelstrom, Behemoth, and Blindsight
Some of these choices will surely be read a century from now--assuming anything is--but others are already forgotten, and the best sf novel of 2006, Peter Watts's astonishing Blindsight, isn't represented.