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Master's Dissertation
DOI
https://doi.org/10.11606/D.42.2007.tde-25102007-134255
Document
Author
Full name
Amanda Manzini Mota
Institute/School/College
Knowledge Area
Date of Defense
Published
São Paulo, 2007
Supervisor
Committee
Baldo, Marcus Vinicius Chrysostomo (President)
Claessens, Peter Maurice Erna
Piemonte, Maria Elisa Pimentel
Title in Portuguese
Orientação da atenção visual na doença de Parkinson e no envelhecimento
Keywords in Portuguese
Atenção visual
Doença de Parkinson
Envelhecimento
Percepção de tempo
Abstract in Portuguese
Avaliamos a orientação da atenção visual de pacientes com Doença de Parkinson (DP), idosos e jovens saudáveis. Foram feitos cinco experimentos de Tempo de Reação (TR) e de Julgamento de Ordem Temporal (JOT), nos quais se avaliaram a atenção automática e voluntária e a percepção de ordem temporal. Os pacientes com DP apresentaram déficits em relação aos idosos na atenção voluntária, na percepção de ordem temporal e na flexibilidade mental, mas tiveram resultados semelhantes aos idosos na avaliação da atenção automática. A correlação entre os valores do TR e do JOT foi significativa entre os experimentos de TR e JOT, o que evidencia que os déficits dos DP e idosos têm origem num mecanismo em comum: a atenção.
Title in English
Orienting of visual attention in Parkinson´s disease and in aging.
Keywords in English
aging
Parkinson´s disease
Time perception
Visual attention
Abstract in English
We investigated the orienting of visual attention in patients with Parkinson?s disease (PD), healthy elderly and young subjects. Five Reaction Time (RT) and Temporal Order Judgment (TOJ) experiments were performed in order to evaluate automatic and voluntary attention and perception of temporal order. The PD patients exhibited a deficit when compared to the healthy elderly subjects in voluntary attention, perception of temporal order and mental flexibility, but had similar results in the automatic attention task. The correlation between the values obtained in RT and TOJ experiments was significant, which points towards a common mechanism underlying deficits of PD patients and effects of aging: attention.
 
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Publishing Date
2007-10-25
 
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