The “Altitudinal Anton’s Syndrome”: Coexistence of Anosognosia, Blindsight and Left Inattention

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.

• Publication year

  2013

• Venue

  Behavioural Neurology

• Publication date

  Unknown publication date

• Fields of study

  Medicine, Psychology

• Identifiers
  DOI 10.3233/BEN-2012-110224PMID 22713392PMCID 5214380
• External record

  Open on Semantic Scholar

• Source metadata

  Semantic Scholar, PubMed

• No claims are published for this paper.

• No concepts are published for this paper.

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