Anton’s Syndrome following Callosal Disconnection
Синдром Антона вследствие рассоединения мозолистого тела
2007-01-01
SCID: 54.1/evvs695k
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Anton’s syndromecallosal disconnectioncortical blindnessfunctional neuroimagingoccipital lobe ischemic lesion
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Abstract (AI)
Anosognosia for cortical blindness, also called Anton's syndrome, is a rare neurological disorder usually following bilateral lesions to occipital cortices. Neuropsychological, morphological and functional neuroimaging (SPECT and fMRI) findings are reported in a patient who incurred Anton's syndrome after an ischaemic lesion confined to the left occipital lobe involving the corpus callosum. The present case study suggests that Anton's syndrome may also follow from lesions disconnecting the occipital cortices.
Key Findings
1
Anton’s syndrome occurred after an ischemic lesion confined to the left occipital lobe that involved the corpus callosum.
2
Neuropsychological assessment and SPECT and fMRI findings were used to characterize the patient’s disorder.
3
The case challenges the usual association of Anton’s syndrome with bilateral occipital cortical lesions.
4
The case suggests that disconnection of the occipital cortices can produce anosognosia for cortical blindness.
Research Object
Anton’s syndrome following an ischemic left occipital lesion involving the corpus callosum
Research Subject
Neuropsychological, morphological, and functional neuroimaging findings and the role of occipital-cortex disconnection in producing Anton’s syndrome
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2007-01-01
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