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Reed, Catherine L.; Grubb, Jefferson D.; Steele, Cleophus – Journal of Experimental Psychology: Human Perception and Performance, 2006
This study explored whether hand location affected spatial attention. The authors used a visual covert-orienting paradigm to examine whether spatial attention mechanisms--location prioritization and shifting attention--were supported by bimodal, hand-centered representations of space. Placing 1 hand next to a target location, participants detected…
Descriptors: Cues, Needs Assessment, Spatial Ability, Attention
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Saiki, Jun; Koike, Takahiko; Takahashi, Kohske; Inoue, Tomoko – Journal of Experimental Psychology: Human Perception and Performance, 2005
The underlying mechanism of search asymmetry is still unknown. Many computational models postulate top-down selection of target-defining features as a crucial factor. This feature selection account implies, and other theories implicitly assume, that predefined target identity is necessary for search asymmetry. The authors tested the validity of…
Descriptors: Visual Perception, Computation, Predictive Validity, Task Analysis