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Identifying the representational structure of affect using fMRI.

Publication ,  Journal Article
Mattek, AM; Burr, DA; Shin, J; Whicker, CL; Kim, MJ
Published in: Affective science
March 2020

The events we experience day to day can be described in terms of their affective quality: some are rewarding, others are upsetting, and still others are inconsequential. These natural distinctions reflect an underlying representational structure used to classify affective quality. In affective psychology, many experiments model this representational structure with two dimensions, using either the dimensions of valence and arousal, or alternatively, the dimensions of positivity and negativity. Using fMRI, we show that it is optimal to use all four dimensions to examine the data. Our findings include: (1) a gradient representation of valence that is anatomically organized along the fusiform gyrus, and (2) distinct subregions within bilateral amygdala that track arousal versus negativity. Importantly, these results would have remained concealed had either of the commonly used 2-dimensional approaches been adopted a priori, demonstrating the utility of our approach.

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Published In

Affective science

DOI

EISSN

2662-205X

ISSN

2662-2041

Publication Date

March 2020

Volume

1

Issue

1

Start / End Page

42 / 56
 

Citation

APA
Chicago
ICMJE
MLA
NLM
Mattek, A. M., Burr, D. A., Shin, J., Whicker, C. L., & Kim, M. J. (2020). Identifying the representational structure of affect using fMRI. Affective Science, 1(1), 42–56. https://doi.org/10.1007/s42761-020-00007-9
Mattek, Alison M., Daisy A. Burr, Jin Shin, Cady L. Whicker, and M Justin Kim. “Identifying the representational structure of affect using fMRI.Affective Science 1, no. 1 (March 2020): 42–56. https://doi.org/10.1007/s42761-020-00007-9.
Mattek AM, Burr DA, Shin J, Whicker CL, Kim MJ. Identifying the representational structure of affect using fMRI. Affective science. 2020 Mar;1(1):42–56.
Mattek, Alison M., et al. “Identifying the representational structure of affect using fMRI.Affective Science, vol. 1, no. 1, Mar. 2020, pp. 42–56. Epmc, doi:10.1007/s42761-020-00007-9.
Mattek AM, Burr DA, Shin J, Whicker CL, Kim MJ. Identifying the representational structure of affect using fMRI. Affective science. 2020 Mar;1(1):42–56.

Published In

Affective science

DOI

EISSN

2662-205X

ISSN

2662-2041

Publication Date

March 2020

Volume

1

Issue

1

Start / End Page

42 / 56