Apraxic agraphia due to thalamic infarction. Ohno, T., Bando, M., Nagura, H., Ishii, K., & Yamanouchi, H. Neurology, 54(12):2336–2339, 2000. doi abstract bibtex The authors report a patient of pure apraxic agraphia with normal praxis due to left thalamic infarction. 15O-gas-PET showed reduced oxygen metabolism in the left thalamus and the left dorsolateral premotor area, while MRI and 11C-fulumazenil-PET showed no remarkable lesions in the frontal cortex. The patient's word imaging remained normal. The authors hypothesize that thalamic destruction causes pure apraxic agraphia by exerting a remote effect on left dorsolateral premotor area and blocking somewhere between graphemic area and motor programming.
@article{ohno_apraxic_2000,
title = {Apraxic agraphia due to thalamic infarction},
volume = {54},
doi = {10/grrsrk},
abstract = {The authors report a patient of pure apraxic agraphia with normal praxis due to left thalamic infarction. 15O-gas-PET showed reduced oxygen metabolism in the left thalamus and the left dorsolateral premotor area, while MRI and 11C-fulumazenil-PET showed no remarkable lesions in the frontal cortex. The patient's word imaging remained normal. The authors hypothesize that thalamic destruction causes pure apraxic agraphia by exerting a remote effect on left dorsolateral premotor area and blocking somewhere between graphemic area and motor programming.},
number = {12},
journal = {Neurology},
author = {Ohno, T. and Bando, M. and Nagura, H. and Ishii, K. and Yamanouchi, H.},
year = {2000},
keywords = {\#nosource, Aged, Agraphia/diagnosis/*etiology, Brain Infarction/*complications/diagnosis, Case Report, Human, Language Tests, Magnetic Resonance Imaging, Male, Mediodorsal Thalamic Nucleus/blood supply/*pathology/radionuclide imaging, Neuropsychological Tests, Thalamic Diseases/*complications/diagnosis, Tomography, Emission-Computed},
pages = {2336--2339},
}
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