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• Vol.63 No.10
• CLINICA NEUROL, 63: 643−649, 2023
• Vol.63 No.10 contents

Case Report

Simultanagnosia caused by cerebral infarction in the right temporal stem, right lateral thalamus, and right pulvinar regions

Shota Horiike, B.A.¹⁾, Ryoji Nishi, M.D., Ph.D.²⁾, Tomoya Maekawa, M.D.²⁾ and Takafumi Sagisaka, M.D., Ph.D.²⁾

¹⁾ Department of Rehabilitation, Daido Hospital
²⁾ Department of Neurology, Daido Hospital

A 76-year-old male patient was admitted to our hospital for the treatment of acute cerebral infarction in the right temporal stem, right lateral thalamus, and right pulvinar regions. Although his overall cognitive function was almost normal, he exhibited reduced visual sensitivity in the homonymous lower left quadrant of the visual field, left unilateral spatial neglect (USN), and simultanagnosia. Left USN improved 4 months after the onset of infarction; however, simultanagnosia persisted. To the best of our knowledge, this is the first case of simultanagnosia caused by cerebral infarction in the right temporal stem, right lateral thalamus, and right pulvinar regions.
Full Text of this Article in Japanese PDF (2045K)

(CLINICA NEUROL, 63: 643−649, 2023)
key words: simultanagnosia, visual cognitive impairment, thalamic reticular nucleus, pulvinar, visual perception test for agnosia

(Received: 10-Feb-23)