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Matsushima, Elton H.; de Oliveira, Artur P.; Ribeiro-Filho, Nilton P.; Da Silva, Jose A. – Psicologica: International Journal of Methodology and Experimental Psychology, 2005
Visual angles are defined as the angle between line of sight up to the mean point of a relative distance and the relative distance itself. In one experiment, we examined the functional aspect of visual angle in relative distance perception using two different layouts composed by 14 stakes, one of them with its center 23 m away from the observation…
Descriptors: Observation, Visual Perception, Experiments, Geographic Location
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Nazzaro, Jean N.; And Others – Journal of General Psychology, 1971
Descriptors: Child Development, Cognitive Development, Color, Cues
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Galera, Cesar; von Grunau, Michael; Panagopoulos, Afroditi – Psicologica: International Journal of Methodology and Experimental Psychology, 2005
In two experiments we investigated the automatic adjusting of the attentional focus to simple geometric shapes. The participants performed a visual search task with four stimuli (the target and three distractors) presented always around the fixation point, inside an outlined frame not related to the search task. A cue informed the subject only…
Descriptors: Stimuli, Geometric Concepts, Cognitive Processes, Experiments
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Gawryszewski, Luiz G.; Carreiro, Luiz Renato R.; Magalhaes, Fabio V. – Psicologica: International Journal of Methodology and Experimental Psychology, 2005
A non-informative cue (C) elicits an inhibition of manual reaction time (MRT) to a visual target (T). We report an experiment to examine if the spatial distribution of this inhibitory effect follows Polar or Cartesian coordinate systems. C appeared at one out of 8 isoeccentric (7[degrees]) positions, the C-T angular distances (in polar…
Descriptors: Stimuli, Reaction Time, Mathematics Activities, Cues