When does perceptual organization happen?

Makin, Alexis D.J.; Buckley, Ned; Austin, Emma; Bertamini, Marco

doi:10.1016/j.cortex.2024.02.007

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2024

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Cited by 3 publications

(1 citation statement)

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“…Symmetrical and asymmetrical stimuli were indistinguishable based on information in a single quadrant. These stimuli were recently used in a paper by Makin et al (2024), which found strong SPNs during a luminance task with frontoparallel presentation.…”

Section: Stimulimentioning

confidence: 99%

Putting things into perspective: Which visual cues facilitate automatic extraretinal symmetry representation?

Karakashevska,

Makin,

Bertamini

2024

Preprint

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Section: Stimulimentioning

confidence: 99%

Putting things into perspective: Which visual cues facilitate automatic extraretinal symmetry representation?

Karakashevska,

Makin,

Bertamini

2024

Preprint

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Polygons have a small facilitatory effect on extraretinal symmetry perception

Karakashevska,

Makin

2024

NeuroImage

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Does Presentation Duration Modulate the Effect of Task on Perceptual Organization?

Buckley,

Makin

2024

Symmetry

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Visual symmetry activates the extrastriate cortex. This symmetry activation generates an Event Related Potential (ERP) named the Sustained Posterior Negativity (SPN). The SPN is larger when participants engage in regularity discrimination tasks than luminance discrimination tasks. Two recent studies suggest that the type of task matters more when the stimulus is presented briefly. We tested this claim with a new sample of 52 participants in a within-subjects design. As predicted, the SPNs were larger in Regularity tasks than Luminance tasks. However, contrary to predictions, the effect of the task was very similar in long and short presentation duration blocks. It remains unclear what factors modulate the task effect. However, presentation duration is not as important as previous results suggest.

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When does perceptual organization happen?

Cited by 3 publications

References 47 publications

Putting things into perspective: Which visual cues facilitate automatic extraretinal symmetry representation?

Putting things into perspective: Which visual cues facilitate automatic extraretinal symmetry representation?

Polygons have a small facilitatory effect on extraretinal symmetry perception

Does Presentation Duration Modulate the Effect of Task on Perceptual Organization?

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