Literature DB >> 10881267

Apraxic agraphia due to thalamic infarction.

T Ohno1, M Bando, H Nagura, K Ishii, H Yamanouchi.   

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.

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Year:  2000        PMID： 10881267     DOI： 10.1212/wnl.54.12.2336

Source DB:  PubMed          Journal:  Neurology        ISSN： 0028-3878            Impact factor:   9.910


  6 in total

1.  Functional dissociation between Kana and Kanji: agraphia following a thalamic hemorrhage.

Authors:  S Maeshima; A Osawa; J Ogura; T Sugiyama; H Kurita; A Satoh; N Tanahashi
Journal:  Neurol Sci       Date:  2011-09-06       Impact factor: 3.307

2.  Isolated thalamic agraphia with impaired grapheme formation and micrographia.

Authors:  Yasuhisa Sakurai; Yukinaga Yoshida; Koki Sato; Izumi Sugimoto; Toru Mannen
Journal:  J Neurol       Date:  2011-03-06       Impact factor: 4.849

3.  "Apraxic dysgraphia" in a 15-year-old left-handed patient: disruption of the cerebello-cerebral network involved in the planning and execution of graphomotor movements.

Authors:  Peter Mariën; Eric de Smet; Hyo Jung de Smet; Peggy Wackenier; Andre Dobbeleir; Jo Verhoeven
Journal:  Cerebellum       Date:  2013-02       Impact factor: 3.847

4.  Apraxic agraphia: An insight into the writing disturbances of posterior aphasias.

Authors:  Gopee Krishnan; Soorya Narayana Rao; Bellur Rajashekar
Journal:  Ann Indian Acad Neurol       Date:  2009-04       Impact factor: 1.383

5.  Thalamic alexia with agraphia.

Authors:  Fábio Henrique de Gobbi Porto; Maria Isabel d'Ávila Freitas; Maira Okada de Oliveira; Leandro Tavares Lucato; Marco Orsini; Sara Lúcia Silveira de Menezes; Regina Miksian Magaldi; Cláudia Sellitto Porto; Sonia Maria Dozzi Brucki; Ricardo Nitrini
Journal:  Neurol Int       Date:  2012-02-09

6.  Cerebral activations related to writing and drawing with each hand.

Authors:  Adriaan R E Potgieser; Anouk van der Hoorn; Bauke M de Jong
Journal:  PLoS One       Date:  2015-05-08       Impact factor: 3.240
  6 in total

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