Cited by 436Autism Spectrum Disorder ResearchFace Recognition and PerceptionFunctional Brain Connectivity Studies

fMRI investigation of working memory for faces in autism: Visual coding and underconnectivity with frontal areas

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Koshino, H., Kana, R. K., Keller, T. A., Cherkassky, V. L., Minshew, N. J., Just, M. A.·2008·Cerebral Cortex

Abstract

Brain activation and functional connectivity were investigated in high functioning autism using functional magnetic resonance imaging in an n-back working memory task involving photographic face stimuli. The autism group showed reliably lower activation compared with controls in the inferior left prefrontal area (involved in verbal processing and working memory maintenance) and the right posterior temporal area (associated with theory of mind processing). The participants with autism also showed activation in a somewhat different location in the fusiform area than the control participants. These results suggest that the neural circuitry of the brain for face processing in autism may be analyzing the features of the face more as objects and less in terms of their human significance. The functional connectivity results revealed that the abnormal fusiform activation was embedded in a larger context of smaller and less synchronized networks, particularly indicating lower functional connectivity with frontal areas. In contrast to the underconnectivity with frontal areas, the autism group showed no underconnectivity among posterior cortical regions. These results extend previous findings of abnormal face perception in autism by demonstrating that the abnormalities are embedded in an abnormal cortical network that manages to perform the working memory task proficiently, using a visually oriented, asocial processing style that minimizes reliance on prefrontal areas.

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Crossref · 10.1093/cercor/bhm054

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Authors
Koshino, H., Kana, R. K., Keller, T. A., Cherkassky, V. L., Minshew, N. J., & Just, M. A.
Affiliations
  • California State University, San Bernardino (US)
  • Carnegie Mellon University (US)
  • University of Pittsburgh (US)
Venue
Cerebral Cortex
Published
2007-05-20
Volume
18
Issue
2
Pages
289-300
ISSN
  • 1047-3211 (ISSN-L)
  • 1460-2199
OpenAlex
W2160066016
Cited by
436
References
87
Citations by year
2026: 5 · 2025: 9 · 2024: 9 · 2023: 13 · 2022: 14 · 2021: 21 · 2020: 20 · 2019: 19 · 2018: 26 · 2017: 30 · 2016: 20 · 2015: 34 · 2014: 33 · 2013: 31 · 2012: 30
FWCI
13.30
Type
journal article
Language
en
Open access
Licence
cc-by
Locations
  • Cerebral Cortex (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
  • KiltHub Repository (submittedVersion)
  • Figshare (submittedVersion, cc-by)
  • KiltHub Repository
Funders
Eunice Kennedy Shriver National Institute of Child Health and Human Development (P01HD035469, HD35469, U19HD035469)
Topics
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Autism Spectrum Disorder Research
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Face Recognition and Perception
  • Life Sciences › Neuroscience › Cognitive Neuroscience › Functional Brain Connectivity Studies
Keywords
autism spectrum disorder, face processing, working memory, n-back task, fusiform gyrus, prefrontal cortex, functional connectivity, inferior prefrontal cortex, posterior temporal cortex, theory of mind, face perception, artificial neural networks
MeSH terms
Adult, Autistic Disorder, Brain Mapping, Evoked Potentials, Face, Female, Frontal Lobe, Humans, Magnetic Resonance Imaging, Male, Nerve Net, Neural Pathways, Pattern Recognition, Visual, Visual Cortex

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