Patrick Suppes
Mostrando 1-7 de 7 artigos, teses e dissertações.
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1. Pragmática da investigação científica: uma abordagem nomológica
Este artigo procura discutir um dos episódios-tipo da atividade científica - a saber, a publicação de artigos científicos - do ponto de vista de uma análise da pragmática da investigação em convergência com a perspectiva de Patrick Suppes sobre o que seria uma escolha livre. Em primeiro lugar, é apresentada a ideia de Suppes de introduzir uma medi
Scientiae Studia. Publicado em: 2011
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2. O cálculo de alta precisão do período do pêndulo simples
Apresentamos o método iterativo da média aritmética-geométrica no cálculo preciso do período temporal do pêndulo simples e o comparamos com o método da série de potências. Aproximações analíticas para o período são obtidas pelos dois métodos e comparadas em termos de suas precisões numéricas. Os resultados são amplamente favoráveis à med
Revista Brasileira de Ensino de Física. Publicado em: 2009-06
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3. Brain wave recognition of words
Electrical and magnetic brain waves of seven subjects under three experimental conditions were recorded for the purpose of recognizing which one of seven words was processed. The analysis consisted of averaging over trials to create prototypes and test samples, to both of which Fourier transforms were applied, followed by filtering and an inverse transformat
The National Academy of Sciences of the USA.
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4. Brain-wave representation of words by superposition of a few sine waves
Data from three previous experiments were analyzed to test the hypothesis that brain waves of spoken or written words can be represented by the superposition of a few sine waves. First, we averaged the data over trials and a set of subjects, and, in one case, over experimental conditions as well. Next we applied a Fourier transform to the averaged data and s
The National Academy of Sciences.
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5. Invariance between subjects of brain wave representations of language
In three experiments, electric brain waves of 19 subjects were recorded under several different experimental conditions for two purposes. One was to test how well we could recognize which sentence, from a set of 24 or 48 sentences, was being processed in the cortex. The other was to study the invariance of brain waves between subjects. As in our earlier work
The National Academy of Sciences.
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6. Invariance of brain-wave representations of simple visual images and their names
In two experiments, electric brain waves of 14 subjects were recorded under several different conditions to study the invariance of brain-wave representations of simple patches of colors and simple visual shapes and their names, the words blue, circle, etc. As in our earlier work, the analysis consisted of averaging over trials to create prototypes and test
The National Academy of Sciences.
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7. Brain-wave recognition of sentences
Electrical and magnetic brain waves of two subjects were recorded for the purpose of recognizing which one of 12 sentences or seven words auditorily presented was processed. The analysis consisted of averaging over trials to create prototypes and test samples, to each of which a Fourier transform was applied, followed by filtering and an inverse transformati
The National Academy of Sciences.