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X-WR-CALNAME:Department of Psychology
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X-WR-CALDESC:Events for Department of Psychology
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DTSTART;TZID=UTC+0:20231012T160000
DTEND;TZID=UTC+0:20231012T173000
DTSTAMP:20260507T120503
CREATED:20230906T160342Z
LAST-MODIFIED:20231009T144755Z
UID:9477-1697126400-1697131800@psych.wisc.edu
SUMMARY:Sharon M. Guten Colloquium Series - Stella Lourenco
DESCRIPTION:Stella Lourenco Flyer – October 12th  \nTitle: Numbers in Mind: A Novel Theory of Perceptual Number Encoding \nAbstract: \nThere has long been interest in how the mind represents numerical magnitude\, particularly in the absence of symbols. The long-standing view is that our ‘number sense’ is supported by a domain-specific system\, often referred to as the Approximate Number System (ANS)\, specialized for processing non-symbolic number. Although proponents of this view readily acknowledge the covariance between number and other magnitudes in the physical environment\, they argue for an abstraction of number from non-numerical magnitudes from early in perceptual processing. In this talk\, I will present evidence for a novel ‘Perceptual Interdependence’ account in which the visual encoding of number is not abstracted from co-occurring non-numerical magnitude (e.g.\, cumulative surface area)\, nor privileged by default. I will draw on different types of data (neuroimaging\, computational modeling\, visual illusions\, and psychophysics with adults and children) to argue that (1) number and non-numerical magnitudes interact within visual perception; (2) the multidimensional representation of number and non-numerical magnitude is integral in nature; and (3) the functional isolation of number may depend on attention (which increases over development). On the basis of this evidence\, I claim that number perception is neither abstract nor primary. Instead\, perceived number is interdependent with non-numerical magnitude (akin to classic integral dimensions) and the so-called primacy of number reflects selective attention to number that may be task-specific and dependent on experience with symbolic numerals. \nStella Lourenco\nEmory University\nOctober 12th\, 2023 \n
URL:http://psych.wisc.edu/event/sharon-m-guten-colloquium-series-stella-lourenco/
CATEGORIES:Colloquium Series
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