2015
DOI: 10.3758/s13423-015-0844-1
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Contributions of parvocellular and magnocellular pathways to visual perception near the hands are not fixed, but can be dynamically altered

Abstract: Visual perception is altered near the hands, and several mechanisms have been proposed to account for this, including differences in attention and a bias toward magnocellular-preferential processing. Here we directly pitted these theories against one another in a visual search task consisting of either magnocellular-or parvocellular-preferred stimuli. Surprisingly, we found that when a large number of items are in the display, there is a parvocellular processing bias in near-hand space. Considered in the conte… Show more

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Cited by 24 publications
(23 citation statements)
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“…From this perspective, the 1 cpd and 10 cpd used to define LSF and HSF should be well-suited to assess the contribution of M cells and P cells respectively. Moreover, reliable M and P differentiation, including complete trade-offs in performance as a function of spatial frequency have been found with the 1 cpd and 10 cpd used here (Goodhew & Clarke, 2016).…”
Section: Target Identification Accuracymentioning
confidence: 58%
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“…From this perspective, the 1 cpd and 10 cpd used to define LSF and HSF should be well-suited to assess the contribution of M cells and P cells respectively. Moreover, reliable M and P differentiation, including complete trade-offs in performance as a function of spatial frequency have been found with the 1 cpd and 10 cpd used here (Goodhew & Clarke, 2016).…”
Section: Target Identification Accuracymentioning
confidence: 58%
“…Similarly, Goodhew and Clarke (2016) also attributed their P-cell advantage for dense visual search arrays near the hands to a change in the size of the attended region. In light of the present results of SSE, it is interesting the Goodhew and Clarke's (2016) results were most robust in terms of facilitation for HSFs, rather than impairment for LSFs (see Experiment 2).…”
Section: Implications For Our Understanding Of Altered Visual Processmentioning
confidence: 93%
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