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  Sex-differences during humor appreciation in child-sibling pairs

Vrticka, P., Neely, M., Walter Shelly, E., Black, J. M., & Reiss, A. L. (2013). Sex-differences during humor appreciation in child-sibling pairs. Social Neuroscience, 8(4), 291-304. doi:10.1080/17470919.2013.794751.

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 Creators:
Vrticka, Pascal1, Author              
Neely, Michelle1, Author
Walter Shelly, Elizabeth1, Author
Black, Jessica M.1, 2, Author
Reiss, Allan L.1, 3, Author
Affiliations:
1Department of Psychiatry and Behavioral Sciences, Center for Interdisciplinary Brain Sciences Research, Stanford University School of Medicine, CA, USA, ou_persistent22              
2Graduate School of Social Work, Boston College, MA, USA, ou_persistent22              
3Department of Pediatric Radiology, Stanford University School of Medicine, CA, USA, ou_persistent22              

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Free keywords: Humor appreciation; Sex differences; Reward; Children; fMRI
 Abstract: The developmental origin of sex differences in adult brain function is poorly understood. Elucidating neural mechanisms underlying comparable cognitive functionality in both children and adults is required to address this gap. Humor appreciation represents a particularly relevant target for such developmental research because explanatory theories apply across the life span, and underlying neurocircuitry shows sex differences in adults. As a positive mood state, humor is also of interest due to sex differences in rates of depression, a disorder afflicting twice as many women as men. In this study, we employed functional magnetic resonance imaging (fMRI) to investigate brain responses to funny versus positive (and neutral) video clips in 22 children, ages 6–13 years, including eight sibling-pairs. Our data revealed increased activity to funny clips in bilateral temporo-occipital cortex, midbrain, and amygdala in girls. Conversely, we found heightened activation to positive clips in bilateral inferior parietal lobule, fusiform gyrus, inferior frontal gyrus, amygdala, and ventromedial prefrontal cortex in boys. Many of these effects persisted when looking at sibling-pairs only. We interpret such findings as reflecting the presence of early sex divergence in reward saliency or expectation and stimulus relevance attribution. These findings are discussed in the context of evolutionary and developmental theories of humor function.

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Language(s): eng - English
 Dates: 2012-11-282013-04-072013-05-142013-08
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1080/17470919.2013.794751
PMID: 23672302
PMC: PMC3717405
Other: Epub 2013
 Degree: -

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Title: Social Neuroscience
  Abbreviation : Soc Neurosci
Source Genre: Journal
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Publ. Info: Hove : Psychology Press
Pages: - Volume / Issue: 8 (4) Sequence Number: - Start / End Page: 291 - 304 Identifier: ISSN: 1747-0919
CoNE: https://pure.mpg.de/cone/journals/resource/1747-0919