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1.
Psicol. reflex. crit ; 18(3): 300-307, 2005.
Article in Portuguese | LILACS | ID: lil-446647

ABSTRACT

O quadro clínico da doença de Alzheimer define-se por alterações cognitivas. Entre elas, a linguagem tem sido objeto freqüente de estudos, e embora exista consenso sobre a prevalência de alterações no âmbito semântico e a evolução dos sintomas lingüísticos, ainda não foi possível esclarecer a natureza de determinadas alterações. Estudos recentes têm acrescentado dados ao conhecimento clássico sobre as perdas específicas da linguagem e de outros aspectos cognitivos que com ela interagem, como é o caso das alterações no âmbito da memória operacional. Nosso objetivo é revisar a literatura recente sobre a linguagem na doença de Alzheimer e, particularmente, estudos com população brasileira, destacando sua contribuição ao conhecimento sobre a doença


Subject(s)
Cognition , Alzheimer Disease/psychology , Language , Linguistics , Memory, Short-Term
2.
Arq. neuropsiquiatr ; 59(3A): 512-520, Sept. 2001. ilus, graf, tab
Article in English | LILACS | ID: lil-295901

ABSTRACT

Primary progressive aphasia (PPA) is an intriguing syndrome, showing some peculiar aspects that differentiate it from classical aphasic pictures caused by focal cerebral lesions or dementia. The slow and progressive deterioration of language occurring in these cases provides an interesting model to better understand the mechanisms involved in the linguistic process. We describe clinical and neuroimaging aspects found in 16 cases of PPA. Our patients underwent language and neuropsychological evaluation, magnetic resonance imaging (MRI) and single photon emission computerized tomography (SPECT). We observed a clear distinction in oral expression patterns; patients were classified as fluent and nonfluent. Anomia was the earliest and most evident symptom in both groups. Neuroimaging pointed to SPECT as a valuable instrument in guiding the differential diagnosis, as well as in making useful clinical and anatomical correlations. This report and a comparison to literature are an attempt to contribute to a better understanding of PPA


Subject(s)
Humans , Male , Female , Adult , Middle Aged , Aphasia, Primary Progressive/diagnosis , Aged, 80 and over , Aphasia, Primary Progressive/physiopathology , Diagnosis, Differential , Language Tests , Magnetic Resonance Imaging , Neuropsychological Tests , Tomography, Emission-Computed, Single-Photon
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