Universität zu Köln

Lim, Shirley Xue Li, Hochenberger, Richard, Ruda, Iryna, Fink, Gereon R. ORCID: 0000-0002-8230-1856, Viswanathan, Shivakumar ORCID: 0000-0002-7513-3778 and Ohla, Kathrin (2022). The capacity and organization of gustatory working memory. Sci Rep, 12 (1). BERLIN: NATURE PORTFOLIO. ISSN 2045-2322

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Abstract

Remembering a particular taste is crucial in food intake and associative learning. We investigated whether taste can be dynamically encoded, maintained, and retrieved on short time scales consistent with working memory (WM). We use novel single and multi-item taste recognition tasks to show that a single taste can be reliably recognized despite repeated oro-sensory interference suggesting active and resilient maintenance (Experiment 1, N = 21). When multiple tastes were presented (Experiment 2, N = 20), the resolution with which these were maintained depended on their serial position, and recognition was reliable for up to three tastes suggesting a limited capacity of gustatory WM. Lastly, stimulus similarity impaired recognition with increasing set size, which seemed to mask the awareness of capacity limitations. Together, the results advocate a hybrid model of gustatory WM with a limited number of slots where items are stored with varying precision.

Item Type:	Journal Article
Creators:	Creators Email ORCID ORCID Put Code Lim, Shirley Xue Li UNSPECIFIED UNSPECIFIED UNSPECIFIED Hochenberger, Richard UNSPECIFIED UNSPECIFIED UNSPECIFIED Ruda, Iryna UNSPECIFIED UNSPECIFIED UNSPECIFIED Fink, Gereon R. UNSPECIFIED orcid.org/0000-0002-8230-1856 UNSPECIFIED Viswanathan, Shivakumar UNSPECIFIED orcid.org/0000-0002-7513-3778 UNSPECIFIED Ohla, Kathrin UNSPECIFIED UNSPECIFIED UNSPECIFIED
URN:	urn:nbn:de:hbz:38-669268
DOI:	10.1038/s41598-022-12005-x
Journal or Publication Title:	Sci Rep
Volume:	12
Number:	1
Date:	2022
Publisher:	NATURE PORTFOLIO
Place of Publication:	BERLIN
ISSN:	2045-2322
Language:	English
Faculty:	Unspecified
Divisions:	Unspecified
Subjects:	no entry
Uncontrolled Keywords:	Keywords Language CONDITIONED TASTE-AVERSION; SHORT-TERM-MEMORY; NEURAL ACTIVITY; SIMILARITY; RECOGNITION; LIMITS; REPRESENTATIONS; HOMOGENEITY; ATTENTION; FEATURES Multiple languages Multidisciplinary Sciences Multiple languages
URI:	http://kups.ub.uni-koeln.de/id/eprint/66926