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What makes a pattern? Matching decoding methods to data in multivariate pattern analysis.

Publication ,  Journal Article
Kragel, PA; Carter, RM; Huettel, SA
Published in: Frontiers in neuroscience
January 2012

Research in neuroscience faces the challenge of integrating information across different spatial scales of brain function. A promising technique for harnessing information at a range of spatial scales is multivariate pattern analysis (MVPA) of functional magnetic resonance imaging (fMRI) data. While the prevalence of MVPA has increased dramatically in recent years, its typical implementations for classification of mental states utilize only a subset of the information encoded in local fMRI signals. We review published studies employing multivariate pattern classification since the technique's introduction, which reveal an extensive focus on the improved detection power that linear classifiers provide over traditional analysis techniques. We demonstrate using simulations and a searchlight approach, however, that non-linear classifiers are capable of extracting distinct information about interactions within a local region. We conclude that for spatially localized analyses, such as searchlight and region of interest, multiple classification approaches should be compared in order to match fMRI analyses to the properties of local circuits.

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Published In

Frontiers in neuroscience

DOI

EISSN

1662-453X

ISSN

1662-4548

Publication Date

January 2012

Volume

6

Start / End Page

162

Related Subject Headings

  • 5202 Biological psychology
  • 3209 Neurosciences
  • 1702 Cognitive Sciences
  • 1701 Psychology
  • 1109 Neurosciences
 

Citation

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Kragel, P. A., Carter, R. M., & Huettel, S. A. (2012). What makes a pattern? Matching decoding methods to data in multivariate pattern analysis. Frontiers in Neuroscience, 6, 162. https://doi.org/10.3389/fnins.2012.00162
Kragel, Philip A., R McKell Carter, and Scott A. Huettel. “What makes a pattern? Matching decoding methods to data in multivariate pattern analysis.Frontiers in Neuroscience 6 (January 2012): 162. https://doi.org/10.3389/fnins.2012.00162.
Kragel PA, Carter RM, Huettel SA. What makes a pattern? Matching decoding methods to data in multivariate pattern analysis. Frontiers in neuroscience. 2012 Jan;6:162.
Kragel, Philip A., et al. “What makes a pattern? Matching decoding methods to data in multivariate pattern analysis.Frontiers in Neuroscience, vol. 6, Jan. 2012, p. 162. Epmc, doi:10.3389/fnins.2012.00162.
Kragel PA, Carter RM, Huettel SA. What makes a pattern? Matching decoding methods to data in multivariate pattern analysis. Frontiers in neuroscience. 2012 Jan;6:162.

Published In

Frontiers in neuroscience

DOI

EISSN

1662-453X

ISSN

1662-4548

Publication Date

January 2012

Volume

6

Start / End Page

162

Related Subject Headings

  • 5202 Biological psychology
  • 3209 Neurosciences
  • 1702 Cognitive Sciences
  • 1701 Psychology
  • 1109 Neurosciences