No blindsight following hemidecortication in human subjects?

Abstract:

:Using a guessing paradigm we measured visual sensitivity in the blind and normal half-fields of four cerebrally hemidecorticated patients. In the blind field, sensitivity was reduced by approximately 3 long units. Stimuli which produced significant detection also evoked conscious sensations of light and colour. Control experiments showed that although sensitivity in the blind field depended in a normal fashion on background luminance it was independent of the luminance of a local platform, and showed no spatial summation. This residual vision can be explained by intraocular light diffusion and reflection.

journal_name

Neuroreport

journal_title

Neuroreport

authors

Stoerig P,Faubert J,Ptito M,Diaconu V,Ptito A

doi

10.1097/00001756-199608120-00027

subject

Has Abstract

pub_date

1996-08-12 00:00:00

pages

1990-4

issue

12

eissn

0959-4965

issn

1473-558X

journal_volume

7

pub_type

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