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Doctoral Thesis
DOI
https://doi.org/10.11606/T.5.2006.tde-12052006-112023
Document
Author
Full name
Ylmar Corrêa Neto
Institute/School/College
Knowledge Area
Date of Defense
Published
São Paulo, 2006
Supervisor
Committee
Caramelli, Paulo (President)
Conforto, Adriana Bastos
Ferraz, Henrique Ballalai
Radanovic, Marcia
Teive, Hélio Afonso Guizoni
Title in Portuguese
"Flutuação da atenção na doença de Parkinson"
Keywords in Portuguese
Atenção/efeitos de drogas
Doença de Parkinson
Dopamina
Levodopa
Tempo de reação/efeitos de drogas
Abstract in Portuguese
Para avaliar a influencia em curto prazo da reposição dopaminérgica na flutuação da atenção em pacientes com DP, a latência média e o desvio-padrão da latência do tempo de reação simples e com escolha foram estabelecidos em 15 pacientes com DP antes e 90 minutos depois da administração da dose habitual matutina de levodopa e em 15 controles normais. Verificou-se , além de efeitos motores, maior sincronia nas latências de testes de tempo de reação complexos, mas não nos simples, sugerindo efeitos da dopamina em mecanismos atencionais e/ou de controle executivo que envolvam flexibilidade na identificação do estímulo e/ou na escolha da resposta
Title in English
Fluctuation of attention in Parkinson's disease
Keywords in English
Attention/drug effects
Dopamine
Levodopa
Parkinson disease
Reaction time/drug effects
Abstract in English
To evaluate short time effects of dopaminergic medication on fluctuation of attention in PD patients, simple and choice reaction latency and latency standard deviation was determined in 15 PD patients before and 90 min. after usual early morning levodopa dose and in 15 normal controls. Besides motor improvement, improved synchrony on complex but not on simple reaction time tests was observed, suggesting dopamine attention and executive control modulation, probably thru stimulus identification and action selection flexibility
 
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ylmarfim.pdf (127.63 Kbytes)
Publishing Date
2006-05-19
 
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