The University of Southampton
University of Southampton Institutional Repository
Warning ePrints Soton is experiencing an issue with some file downloads not being available. We are working hard to fix this. Please bear with us.

Color naming and categorization depend on distinct functional brain networks

Color naming and categorization depend on distinct functional brain networks
Color naming and categorization depend on distinct functional brain networks
Naming a color can be understood as an act of categorization, that is, identifying it as a member of a category of colors that are referred to by the same name. But are naming and categorization equivalent cognitive processes and consequently rely on same neural substrates? Here, we used task and resting-state functional magnetic resonance imaging as well as behavioral measures to identify functional brain networks that modulated naming and categorization of colors. We first identified three bilateral color-sensitive regions in the ventro-occipital cortex. We then showed that, across participants, color naming and categorization response times (RTs) were correlated with different resting state connectivity networks seeded from the color-sensitive regions. Color naming RTs correlated with the connectivity between the left posterior color region, the left middle temporal gyrus, and the left angular gyrus. In contrast, color categorization RTs correlated with the connectivity between the bilateral posterior color regions, and left frontal, right temporal and bilateral parietal areas. The networks supporting naming and categorization had a minimal overlap, indicating that the 2 processes rely on different neural mechanisms.
Colour categorisation, Colour naming, Colour perception
1047-3211
1106-1115
Siuda-Krzywicka, Katarzyna
d93fd047-a59c-492c-ac0a-cf1710649ebd
Witzel, Christoph
dfb994f1-7007-441a-9e1a-ddb167f44166
Bartolomeo, Paolo
3daa2e84-0393-40cb-a44b-e665c93c12b0
Cohen, Laurent
f2e8dc23-a9f0-4f67-8e4e-5c3c447db44a
Siuda-Krzywicka, Katarzyna
d93fd047-a59c-492c-ac0a-cf1710649ebd
Witzel, Christoph
dfb994f1-7007-441a-9e1a-ddb167f44166
Bartolomeo, Paolo
3daa2e84-0393-40cb-a44b-e665c93c12b0
Cohen, Laurent
f2e8dc23-a9f0-4f67-8e4e-5c3c447db44a

Siuda-Krzywicka, Katarzyna, Witzel, Christoph, Bartolomeo, Paolo and Cohen, Laurent (2021) Color naming and categorization depend on distinct functional brain networks. Cerebral Cortex, 31 (2), 1106-1115. (doi:10.1093/cercor/bhaa278).

Record type: Article

Abstract

Naming a color can be understood as an act of categorization, that is, identifying it as a member of a category of colors that are referred to by the same name. But are naming and categorization equivalent cognitive processes and consequently rely on same neural substrates? Here, we used task and resting-state functional magnetic resonance imaging as well as behavioral measures to identify functional brain networks that modulated naming and categorization of colors. We first identified three bilateral color-sensitive regions in the ventro-occipital cortex. We then showed that, across participants, color naming and categorization response times (RTs) were correlated with different resting state connectivity networks seeded from the color-sensitive regions. Color naming RTs correlated with the connectivity between the left posterior color region, the left middle temporal gyrus, and the left angular gyrus. In contrast, color categorization RTs correlated with the connectivity between the bilateral posterior color regions, and left frontal, right temporal and bilateral parietal areas. The networks supporting naming and categorization had a minimal overlap, indicating that the 2 processes rely on different neural mechanisms.

Text
2020.04.13.038836.full - Accepted Manuscript
Download (3MB)
Text
2020.04.13.038836.full
Restricted to Repository staff only
Request a copy

More information

Accepted/In Press date: 29 August 2020
e-pub ahead of print date: 30 September 2020
Published date: February 2021
Keywords: Colour categorisation, Colour naming, Colour perception

Identifiers

Local EPrints ID: 445966
URI: http://eprints.soton.ac.uk/id/eprint/445966
ISSN: 1047-3211
PURE UUID: e860e539-0ff0-431c-95ce-ac9bcdf851ac
ORCID for Christoph Witzel: ORCID iD orcid.org/0000-0001-9944-2420

Catalogue record

Date deposited: 15 Jan 2021 17:33
Last modified: 26 Nov 2021 05:57

Export record

Altmetrics

Contributors

Author: Katarzyna Siuda-Krzywicka
Author: Paolo Bartolomeo
Author: Laurent Cohen

Download statistics

Downloads from ePrints over the past year. Other digital versions may also be available to download e.g. from the publisher's website.

View more statistics

Atom RSS 1.0 RSS 2.0

Contact ePrints Soton: eprints@soton.ac.uk

ePrints Soton supports OAI 2.0 with a base URL of http://eprints.soton.ac.uk/cgi/oai2

This repository has been built using EPrints software, developed at the University of Southampton, but available to everyone to use.

We use cookies to ensure that we give you the best experience on our website. If you continue without changing your settings, we will assume that you are happy to receive cookies on the University of Southampton website.

×