The "altitudinal Anton's syndrome"

Coexistence of anosognosia, blindsight and left inattention

A. Carota, F. Bianchini, L. Pizzamiglio, P. Calabrese

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

We describe a 69-year-old patient with superior altitudinal hemianopia who contentiously denied having any visual impairment after stroke in the lower banks of both calcarine fissures. Although the patient did not produce intentional responses to visual stimuli in the blind fields, he showed reduced reaction times to stimuli presented in the inferior visual fields when they were primed by identical stimuli in the superior blind fields. Furthermore he showed left extinction to the double stimulation and delayed reaction times for left unprimed stimuli in the inferior fields. Based on these findings we discuss the possibility that blindsight and right hemisphere damage might be both necessary conditions for denying bilateral blindness.

Original languageEnglish
Pages (from-to)157-163
Number of pages7
JournalBehavioural Neurology
Volume26
Issue number1-2
DOIs
Publication statusPublished - 2013

Fingerprint

Cortical Blindness
Agnosia
Reaction Time
Hemianopsia
Occipital Lobe
Vision Disorders
Blindness
Visual Fields
Stroke

Keywords

  • altitudinal hemianopia
  • anosognosia
  • attention blindsight
  • Cortical blindness
  • right hemisphere damage

ASJC Scopus subject areas

  • Neuropsychology and Physiological Psychology
  • Clinical Neurology
  • Neurology

Cite this

The "altitudinal Anton's syndrome" : Coexistence of anosognosia, blindsight and left inattention. / Carota, A.; Bianchini, F.; Pizzamiglio, L.; Calabrese, P.

In: Behavioural Neurology, Vol. 26, No. 1-2, 2013, p. 157-163.

Research output: Contribution to journalArticle

Carota, A. ; Bianchini, F. ; Pizzamiglio, L. ; Calabrese, P. / The "altitudinal Anton's syndrome" : Coexistence of anosognosia, blindsight and left inattention. In: Behavioural Neurology. 2013 ; Vol. 26, No. 1-2. pp. 157-163.
@article{1aab29fe6e0d44b8bdc73ff107519a75,
title = "The {"}altitudinal Anton's syndrome{"}: Coexistence of anosognosia, blindsight and left inattention",
abstract = "We describe a 69-year-old patient with superior altitudinal hemianopia who contentiously denied having any visual impairment after stroke in the lower banks of both calcarine fissures. Although the patient did not produce intentional responses to visual stimuli in the blind fields, he showed reduced reaction times to stimuli presented in the inferior visual fields when they were primed by identical stimuli in the superior blind fields. Furthermore he showed left extinction to the double stimulation and delayed reaction times for left unprimed stimuli in the inferior fields. Based on these findings we discuss the possibility that blindsight and right hemisphere damage might be both necessary conditions for denying bilateral blindness.",
keywords = "altitudinal hemianopia, anosognosia, attention blindsight, Cortical blindness, right hemisphere damage",
author = "A. Carota and F. Bianchini and L. Pizzamiglio and P. Calabrese",
year = "2013",
doi = "10.3233/BEN-2012-110224",
language = "English",
volume = "26",
pages = "157--163",
journal = "Behavioural Neurology",
issn = "0953-4180",
publisher = "HINDAWI LTD",
number = "1-2",

}

TY - JOUR

T1 - The "altitudinal Anton's syndrome"

T2 - Coexistence of anosognosia, blindsight and left inattention

AU - Carota, A.

AU - Bianchini, F.

AU - Pizzamiglio, L.

AU - Calabrese, P.

PY - 2013

Y1 - 2013

N2 - We describe a 69-year-old patient with superior altitudinal hemianopia who contentiously denied having any visual impairment after stroke in the lower banks of both calcarine fissures. Although the patient did not produce intentional responses to visual stimuli in the blind fields, he showed reduced reaction times to stimuli presented in the inferior visual fields when they were primed by identical stimuli in the superior blind fields. Furthermore he showed left extinction to the double stimulation and delayed reaction times for left unprimed stimuli in the inferior fields. Based on these findings we discuss the possibility that blindsight and right hemisphere damage might be both necessary conditions for denying bilateral blindness.

AB - We describe a 69-year-old patient with superior altitudinal hemianopia who contentiously denied having any visual impairment after stroke in the lower banks of both calcarine fissures. Although the patient did not produce intentional responses to visual stimuli in the blind fields, he showed reduced reaction times to stimuli presented in the inferior visual fields when they were primed by identical stimuli in the superior blind fields. Furthermore he showed left extinction to the double stimulation and delayed reaction times for left unprimed stimuli in the inferior fields. Based on these findings we discuss the possibility that blindsight and right hemisphere damage might be both necessary conditions for denying bilateral blindness.

KW - altitudinal hemianopia

KW - anosognosia

KW - attention blindsight

KW - Cortical blindness

KW - right hemisphere damage

UR - http://www.scopus.com/inward/record.url?scp=84872434491&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=84872434491&partnerID=8YFLogxK

U2 - 10.3233/BEN-2012-110224

DO - 10.3233/BEN-2012-110224

M3 - Article

VL - 26

SP - 157

EP - 163

JO - Behavioural Neurology

JF - Behavioural Neurology

SN - 0953-4180

IS - 1-2

ER -