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Mostrando 1-7 de 7 artigos, teses e dissertações.
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1. Presentism and the Sceptical Challenge
ABSTRACT Even hard-core metaphysicians should admit that certain disputes may indeed turn out not to be substantive. The debate between presentism and eternalism has recently come under sceptical attack. The aim of the paper is to argue that a certain approach to presentism is indeed in danger of succumbing to the sceptic, and thus a no-go for the presentist
Manuscrito. Publicado em: 2016-12
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2. Influence of separate and mixed experimental designs on reaction times to two simple visual stimuli
Testing contexts have been shown to critically influence experimental results in psychophysical studies. One of these contexts that show important modulation of the behavioral effects of different stimulatory conditions is the separate (blocked) or mixed presentation of these stimulatory conditions. The study presents evidence that the apparent discriminabil
Psychology & Neuroscience. Publicado em: 2009-06
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3. Fatores que influenciam a ocorrência do efeito atencional automático em uma tarefa de tempo de reação vai/não-vai. / Factors that influence the automatic attentional effect in a reaction time go/no-go task.
O trabalho objetivou analisar os fatores que influenciam a mobilização da atenção automática visual. Nas tarefas diárias, o Sistema Nervoso Central seleciona os estímulos mais relevantes para as tarefas. Para entender o quê influencia a mobilização atencional, conduzimos três experimentos com análise do tempo de reação a um estímulo vai em rel
Publicado em: 2009
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4. Tarefas atentivas em três grupos etários: Crianças, adultos e idosos
Algumas pesquisas sugerem a existência de etapas e processos distintos na seleção da informação contida em uma cena visual. O presente estudo investigou os padrões de seleção da informação visual através de três tarefas atentivas executadas por três grupos etários: 10 crianças de 9 a 13 anos (media de idade 11, 1, DP = 1, 37,), 10 adultos de 2
Publicado em: 2009
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5. Control of attention by a peripheral visual cue depends on whether the target is difficult to discriminate
The influence of a peripheral cue represented by a gray ring on responsivity to a subsequent target varies. When a vertical line inside a ring was a go target and a white small ring inside a ring was a no-go target, reaction time was shorter at the same location relative to a different location. However, no reaction time difference between the two locations
Brazilian Journal of Medical and Biological Research. Publicado em: 2006-07
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6. Spatiotemporal activity patterns of rat cortical neurons predict responses in a conditioned task
Precise and repeated spike-train timings within and across neurons define spatiotemporal patterns of activity. Although the existence of these patterns in the brain is well established in several species, there has been no direct evidence of their influence on behavioral output. To address this question, up to 15 neurons were recorded simultaneously in the a
The National Academy of Sciences.
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7. Lesions of Orbitofrontal Cortex and Basolateral Amygdala Complex Disrupt Acquisition of Odor-Guided Discriminations and Reversals
Recent work indicates that both orbitofrontal cortex (OFC) and the basolateral complex of the amygdala (ABL) are involved in processes by which cues are associated with predicted outcomes. To examine the respective roles of these structures in discrimination learning, rats with bilateral sham or neurotoxic lesions of either OFC or ABL were trained on a serie
Cold Spring Harbor Laboratory Press.