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Titolo:
Progressive peripheral agraphia
Autore:
Grossman, M; Libon, DJ; Ding, XS; Cloud, B; Jaggi, J; Morrison, D; Greenberg, J; Alavi, A; Reivich, M;
Indirizzi:
Univ Penn, Med Ctr, Dept Neurol, Philadelphia, PA 19104 USA Univ Penn Philadelphia PA USA 19104 pt Neurol, Philadelphia, PA 19104 USA Drexel Univ, Neuropsychol Program, Philadelphia, PA 19104 USA Drexel UnivPhiladelphia PA USA 19104 Program, Philadelphia, PA 19104 USA Crozer Chester Med Ctr, Neuropsychol Serv, Upland, PA USA Crozer Chester Med Ctr Upland PA USA , Neuropsychol Serv, Upland, PA USA Thomas Jefferson Univ, Med Ctr, Dept Neurol, Philadelphia, PA USA Thomas Jefferson Univ Philadelphia PA USA t Neurol, Philadelphia, PA USA Univ Penn, Wharton Sch, Dept Stat, Philadelphia, PA 19104 USA Univ Penn Philadelphia PA USA 19104 Dept Stat, Philadelphia, PA 19104 USA Univ Penn, Med Ctr, Dept Radiol, Philadelphia, PA 19104 USA Univ Penn Philadelphia PA USA 19104 pt Radiol, Philadelphia, PA 19104 USA
Titolo Testata:
NEUROCASE
fascicolo: 4, volume: 7, anno: 2001,
pagine: 339 - 349
SICI:
1355-4794(2001)7:4<339:PPA>2.0.ZU;2-V
Fonte:
ISI
Lingua:
ENG
Soggetto:
POSITRON EMISSION TOMOGRAPHY; ALZHEIMERS-DISEASE; PARKINSONS-DISEASE; WRITING IMPAIRMENT; APRACTIC AGRAPHIA; APRAXIC AGRAPHIA; PURE AGRAPHIA; BLOOD-FLOW; DYSGRAPHIA; DEMENTIA;
Keywords:
agraphia; writing; apraxia;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Clinical Medicine
Citazioni:
62
Recensione:
Indirizzi per estratti:
Indirizzo: Grossman, M Univ Penn, Med Ctr, Dept Neurol, 3400 Spruce St, Philadelphia,PA 19104 USA Univ Penn 3400 Spruce St Philadelphia PA USA 19104 A 19104 USA
Citazione:
M. Grossman et al., "Progressive peripheral agraphia", NEUROCASE, 7(4), 2001, pp. 339-349

Abstract

We describe RW, a patient who presented with writing difficulty that deteriorated over time. While her graphemes were typically legible, her writing was extremely slow, and her letters were written in an inconsistent and heterogeneous manner (e.g. each 'a' in the word 'banana' was produced in a different way). Her mental imagery of letters was impoverished, and she also produced allographic errors in her writing. She had some spelling errors as well, but many of these were due to omissions, perseverations, and motor operations. A positron emission tomography scan demonstrated superior parietal occipital and superior frontal defects that were more evident on the leftthan the right. Our observations are consistent with the hypothesis that RW has a deficit retrieving physical letter forms as manifested by her heterogeneous and slow production of letter forms. This disruption of grapheme retrieval is associated with interruption of a superior frontal-parietal system in the left hemisphere.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 26/01/20 alle ore 10:18:59