Abstract
We report on a patient who developed allocentric neglect due to injury of the inferior fronto-occipital fasciculus (IFOF) following intracranial hemorrhage, diagnosed using diffusion tensor tractography (DTT). Her cognition seemed normal (A 17-year-old, right-handed female patient). However, in spite of a normal visual field, her perception was missing on the left side, and she had no awareness of her deficit. She was unable to perceive the left side in each of 2 objects, regardless of position of the 2 objects, and failed at detail exploration of the left side of 1 object. In addition, the line bisection test, the most representative neglect test, did not reveal any abnormality. She was diagnosed with an intracerebral hemorrhage (right thalamus), intraventricular hemorrhage, and subarachnoid hemorrhage due to arteriovenous malformation in the right thalamus. Seven weeks after onset, she began rehabilitation. Consequently, the apple cancellation test to discriminate between allocentric and egocentric neglect was performed, with the result of severe allocentric neglect. The right superior longitudinal fasciculus and inferior longitudinal fasciculus were well-reconstructed without definite injury compared with those of the left s...Continue Reading
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