Literature DB >> 1536626

Lesion localization in apractic agraphia.

M P Alexander1, R S Fischer, R Friedman.   

Abstract

Apractic agraphia is an impairment in writing in which the actual orthographic production of letters and words is abnormal despite normal sensorimotor function, visual feedback, and word and letter knowledge. We report one case and review the limited clinicoanatomical literature. Analysis of available cases supports the hypothesis that apractic agraphia is one of several related clinical disorders that are due to the loss of spatially and kinesthetically modulated movements. It is produced by lesions in the superior parietal lobule, usually in the hemisphere dominant for language.

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Year:  1992        PMID： 1536626     DOI： 10.1001/archneur.1992.00530270060019

Source DB:  PubMed          Journal:  Arch Neurol        ISSN： 0003-9942


  22 in total

1.  A functional MRI study on the neural substrates for writing.

Authors:  K Katanoda; K Yoshikawa; M Sugishita
Journal:  Hum Brain Mapp       Date:  2001-05       Impact factor: 5.038

2.  Investigating the generators of the scalp recorded visuo-verbal P300 using cortically constrained source localization.

Authors:  Kathryn A Moores; C Richard Clark; Jo L M Hadfield; Greg C Brown; D James Taylor; Sean P Fitzgibbon; Andrew C Lewis; Darren L Weber; Richard Greenblatt
Journal:  Hum Brain Mapp       Date:  2003-01       Impact factor: 5.038

3.  Differential effect of linguistic and non-linguistic pen-holding tasks on motor cortex excitability.

Authors:  Sasa R Filipović; Ilias Papathanasiou; Renate Whurr; John C Rothwell; Marjan Jahanshahi
Journal:  Exp Brain Res       Date:  2008-08-20       Impact factor: 1.972

Review 4.  The neural development and organization of letter recognition: evidence from functional neuroimaging, computational modeling, and behavioral studies.

Authors:  T A Polk; M J Farah
Journal:  Proc Natl Acad Sci U S A       Date:  1998-02-03       Impact factor: 11.205

5.  Clinical Reasoning: Seizures from the neglected lobe.

Authors:  Wolfgang Muhlhofer; Brianna Paul; George Lin; Nilika Singhal
Journal:  Neurology       Date:  2016-03-08       Impact factor: 9.910

6.  Elaborative feedback: Engaging reward and task-relevant brain regions promotes learning in pseudoword reading aloud.

Authors:  Samantha R Mattheiss; Edward J Alexander; William W Graves
Journal:  Cogn Affect Behav Neurosci       Date:  2018-02       Impact factor: 3.282

7.  Brain localization for arbitrary stimulus categories: a simple account based on Hebbian learning.

Authors:  T A Polk; M J Farah
Journal:  Proc Natl Acad Sci U S A       Date:  1995-12-19       Impact factor: 11.205

8.  Progressive apraxic agraphia with micrographia presenting as corticobasal syndrome showing extensive Pittsburgh compound B uptake.

Authors:  Yasuhisa Sakurai; Kenji Ishii; Masahiro Sonoo; Yuko Saito; Shigeo Murayama; Atsushi Iwata; Kensuke Hamada; Izumi Sugimoto; Shoji Tsuji; Toru Mannen
Journal:  J Neurol       Date:  2013-04-16       Impact factor: 4.849

9.  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

10.  The contribution of the parietal lobes to speaking and writing.

Authors:  Sonia L E Brownsett; Richard J S Wise
Journal:  Cereb Cortex       Date:  2009-06-16       Impact factor: 5.357
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