Generalized anosognosia, anosodiaphoria, and visual hallucinations with bilateral enucleation after severe bifrontal brain injury: a case report describing similarities with and differences from Anton syndrome

Visual anosognosia, associated with confabulations and cortical blindness in the context of occipital lobe injury, is known as Anton syndrome. Patients with this syndrome strongly deny their vision loss and confabulate to compensate for both visual loss and memory impairments. In this article, we pr...

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Bibliographic Details
Published in:Neurological sciences 2024-06, Vol.45 (6), p.2769-2774
Main Authors: Rodríguez, Gabriel, Azariah, Abana, Ritter, Alexandra Meurgue, Esquenazi, Yoshua, Sherer, Mark, Boake, Corwin, Fernandez, Valentina Ladera, Garcia-Garcia, Ricardo
Format: Article
Language:English
Subjects:
Blindness
Brain injury
Case reports
Consciousness
Contusions
Diagnostic tests
Enucleation
Fractures
Frontal lobe
Hallucinations
Hemorrhage
Language
Magnetic resonance imaging
Medicine
Medicine & Public Health
Memory
Neurology
Neuroradiology
Neurosurgery
Occipital lobe
Original Article
Ostomy
Porous materials
Psychiatry
Rehabilitation
Speech
Speech therapy
Therapists
Tomography
Traumatic brain injury
Vision
Walking
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Summary:Visual anosognosia, associated with confabulations and cortical blindness in the context of occipital lobe injury, is known as Anton syndrome. Patients with this syndrome strongly deny their vision loss and confabulate to compensate for both visual loss and memory impairments. In this article, we present a case of a patient with some similarities to Anton syndrome, however, with several differences in clinical presentation. Bifrontal brain injury, bilateral enucleation, affective indifference (anosodiaphoria), generalized anosognosia, and the conviction that vision will resume mark clear clinical differences with Anton syndrome. Differentiating these findings from Anton syndrome will help occupational therapists, neuropsychologists, speech-language pathologists, physical therapists, and physicians when assessing frontal lobe brain injury with total and partial visual loss. This case demonstrates that visual anosognosia and confabulations can occur without occipital lobe dysfunction or cortical blindness.
ISSN:1590-1874
1590-3478
1590-3478
DOI:10.1007/s10072-024-07323-z