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1.
Health Res Policy Syst ; 8: 35, 2010 Nov 26.
Artigo em Inglês | MEDLINE | ID: mdl-21110859

RESUMO

Examining vulnerabilities within our current healthcare system we propose borrowing two tools from the fields of engineering and design: a) Reason's system approach 1 and b) User-centered design 23. Both approaches are human-centered in that they consider common patterns of human behavior when analyzing systems to identify problems and generate solutions. This paper examines these two human-centered approaches in the context of healthcare. We argue that maintaining a human-centered orientation in clinical care, research, training, and governance is critical to the evolution of an effective and sustainable healthcare system.

2.
Neuron ; 37(6): 1013-25, 2003 Mar 27.
Artigo em Inglês | MEDLINE | ID: mdl-12670429

RESUMO

fMRI was used to investigate the neural substrates supporting implicit and explicit sequence learning, focusing especially upon the role of the medial temporal lobe. Participants performed a serial reaction time task (SRTT). For implicit learning, they were naive about a repeating pattern, whereas for explicit learning, participants memorized another repeating sequence. fMRI analyses comparing repeating versus random sequence blocks demonstrated activation of frontal, parietal, cingulate, and striatal regions implicated in previous SRTT studies. Importantly, mediotemporal lobe regions were active in both explicit and implicit SRTT learning. Moreover, the results provide evidence of a role for the hippocampus and related cortices in the formation of higher order associations under both implicit and explicit learning conditions, regardless of conscious awareness of sequence knowledge.


Assuntos
Aprendizagem/fisiologia , Imageamento por Ressonância Magnética , Lobo Temporal/fisiologia , Hipocampo/fisiologia , Humanos , Matemática , Memória/fisiologia , Tempo de Reação
3.
Clin Neuropsychol ; 20(4): 637-48, 2006 Dec.
Artigo em Inglês | MEDLINE | ID: mdl-16980251

RESUMO

This study presents normative data of commonly used neuropsychological tests administered to 75 individuals with high levels of intelligence (estimated IQ > or = 120). Participants were living independently in the community with ages ranging from 44 to 86. To avoid including individuals with an incipient dementia, we selected subjects who scored within the normal range on all cognitive tests for at least a two-year period. The norms are presented in table format to help clinicians easily identify a typical cognitive performance in highly intelligent individuals and to provide a useful guide for detecting abnormal cognitive decline in individuals at risk for progressive dementia.


Assuntos
Cognição/fisiologia , Testes de Inteligência/normas , Inteligência , Padrões de Referência , Adulto , Fatores Etários , Idoso , Idoso de 80 Anos ou mais , Estudos de Coortes , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Análise Multivariada , Testes Neuropsicológicos/estatística & dados numéricos , Valor Preditivo dos Testes , Valores de Referência , Fatores Sexuais
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