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CITATION.cff
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cff-version: 1.2.0
message: If you use this code, please cite it as below.
title: Methods for decoding cortical gradients of functional connectivity
abstract: |
Macroscale gradients have emerged as a central principle for understanding functional brain
organization. Previous studies have demonstrated that a principal gradient of connectivity in
the human brain exists, with unimodal primary sensorimotor regions situated at one end and
transmodal regions associated with the default mode network and representative of abstract
functioning at the other. The functional significance and interpretation of macroscale gradients
remains a central topic of discussion in the neuroimaging community, with some studies
demonstrating that gradients may be described using meta-analytic functional decoding techniques.
However, additional methodological development is necessary to fully leverage available
meta-analytic methods and resources and quantitatively evaluate their relative performance.
Here, we conducted a comprehensive series of analyses to investigate and improve the framework
of data-driven, meta-analytic methods, thereby establishing a principled approach for gradient
segmentation and functional decoding. We found that a two-segment solution determined by a
k-means segmentation approach and an LDA-based meta-analysis combined with the NeuroQuery
database was the optimal combination of methods for decoding functional connectivity gradients.
Finally, we proposed a method for decoding additional components of the gradient decomposition.
The current work aims to provide recommendations on best practices and flexible methods for
gradient-based functional decoding of fMRI data.
repository-code: https://github.com/JulioAPeraza/gradec
identifiers:
- type: doi
value: https://doi.org/10.1162/imag_a_00081
description: Methods for decoding cortical gradients of functional connectivity
contact:
- given-names: Julio A
family-names: Peraza
email: jperaza@fiu.edu
affiliation: Department of Physics, Florida International University, Miami, FL, USA
license: Apache License 2.0
authors:
- given-names: Julio A
family-names: Peraza
orcid: 0000-0003-3816-5903
affiliation: Department of Physics, Florida International University, Miami, FL, USA
- given-names: Taylor
family-names: Salo
orcid: 0000-0001-9813-3167
affiliation: Department of Psychiatry, University of Pennsylvania, Philadelphia, PA, USA
- given-names: Michael C
family-names: Michael
orcid: 0000-0002-1860-4449
affiliation: LTI Engineering and Software, Quebec City, QC, Canada
- given-names: Katherine L
family-names: Bottenhorn
orcid: 0000-0002-7796-8795
affiliation: Department of Population and Public Health Sciences, University of Southern California, Los Angeles, CA, USA
- given-names: Jean-Baptiste
family-names: Poline
orcid: 0000-0002-9794-749X
affiliation: Department of Neurology and Neurosurgery, McGill University, Montreal, QC, Canada
- given-names: Jérôme
family-names: Dockès
orcid: 0000-0002-5304-2496
affiliation: Department of Neurology and Neurosurgery, McGill University, Montreal, QC, Canada
- given-names: James D
family-names: Kent
orcid: 0000-0002-4892-2659
affiliation: Department of Psychology, University of Texas at Austin, Austin, TX, USA
- given-names: Jessica E
family-names: Bartley
orcid: 0000-0001-7269-9701
affiliation: Department of Physics, Florida International University, Miami, FL, USA
- given-names: Jessica S
family-names: Flannery
orcid: 0000-0003-3274-1578
affiliation: Department of Psychology and Neuroscience, University of North Carolina, Chapel Hill, NC, USA
- given-names: Lauren D
family-names: Hill-Bowen
orcid: 0000-0002-9817-7757
affiliation: Department of Psychology, Florida International University, Miami, FL, USA
- given-names: Rosario
family-names: Pintos Lobo
orcid: 0000-0002-7679-1385
affiliation: Department of Psychology, Florida International University, Miami, FL, USA
- given-names: Ranjita
family-names: Poudel
orcid: 0000-0003-4343-1153
affiliation: Department of Health Outcomes and Behavior, Moffitt Cancer Center, Tampa, FL, USA
- given-names: Kimberly L
family-names: Ray
orcid: 0000-0003-1302-2834
affiliation: Department of Psychology, University of Texas at Austin, Austin, TX, USA
- given-names: Jennifer L
family-names: Robinson
orcid: 0000-0001-7389-3047
affiliation: Department of Psychology, Auburn University, Auburn, AL, USA
- given-names: Robert W
family-names: Laird
affiliation: Department of Physics, Florida International University, Miami, FL, USA
- given-names: Matthew T
family-names: Sutherland
orcid: 0000-0002-6091-4037
affiliation: Department of Psychology, Florida International University, Miami, FL, USA
- given-names: Alejandro
family-names: de la Vega
orcid: 0000-0001-9062-3778
affiliation: Department of Psychology, University of Texas at Austin, Austin, TX, USA
- given-names: Angela R
family-names: Laird
orcid: 0000-0003-3379-8744
affiliation: Department of Physics, Florida International University, Miami, FL, USA
preferred-citation:
authors:
- given-names: Julio A
family-names: Peraza
orcid: 0000-0003-3816-5903
affiliation: Department of Physics, Florida International University, Miami, FL, USA
- given-names: Taylor
family-names: Salo
orcid: 0000-0001-9813-3167
affiliation: Department of Psychiatry, University of Pennsylvania, Philadelphia, PA, USA
- given-names: Michael C
family-names: Michael
orcid: 0000-0002-1860-4449
affiliation: LTI Engineering and Software, Quebec City, QC, Canada
- given-names: Katherine L
family-names: Bottenhorn
orcid: 0000-0002-7796-8795
affiliation: Department of Population and Public Health Sciences, University of Southern California, Los Angeles, CA, USA
- given-names: Jean-Baptiste
family-names: Poline
orcid: 0000-0002-9794-749X
affiliation: Department of Neurology and Neurosurgery, McGill University, Montreal, QC, Canada
- given-names: Jérôme
family-names: Dockès
orcid: 0000-0002-5304-2496
affiliation: Department of Neurology and Neurosurgery, McGill University, Montreal, QC, Canada
- given-names: James D
family-names: Kent
orcid: 0000-0002-4892-2659
affiliation: Department of Psychology, University of Texas at Austin, Austin, TX, USA
- given-names: Jessica E
family-names: Bartley
orcid: 0000-0001-7269-9701
affiliation: Department of Physics, Florida International University, Miami, FL, USA
- given-names: Jessica S
family-names: Flannery
orcid: 0000-0003-3274-1578
affiliation: Department of Psychology and Neuroscience, University of North Carolina, Chapel Hill, NC, USA
- given-names: Lauren D
family-names: Hill-Bowen
orcid: 0000-0002-9817-7757
affiliation: Department of Psychology, Florida International University, Miami, FL, USA
- given-names: Rosario
family-names: Pintos Lobo
orcid: 0000-0002-7679-1385
affiliation: Department of Psychology, Florida International University, Miami, FL, USA
- given-names: Ranjita
family-names: Poudel
orcid: 0000-0003-4343-1153
affiliation: Department of Health Outcomes and Behavior, Moffitt Cancer Center, Tampa, FL, USA
- given-names: Kimberly L
family-names: Ray
orcid: 0000-0003-1302-2834
affiliation: Department of Psychology, University of Texas at Austin, Austin, TX, USA
- given-names: Jennifer L
family-names: Robinson
orcid: 0000-0001-7389-3047
affiliation: Department of Psychology, Auburn University, Auburn, AL, USA
- given-names: Robert W
family-names: Laird
affiliation: Department of Physics, Florida International University, Miami, FL, USA
- given-names: Matthew T
family-names: Sutherland
orcid: 0000-0002-6091-4037
affiliation: Department of Psychology, Florida International University, Miami, FL, USA
- given-names: Alejandro
family-names: de la Vega
orcid: 0000-0001-9062-3778
affiliation: Department of Psychology, University of Texas at Austin, Austin, TX, USA
- given-names: Angela R
family-names: Laird
orcid: 0000-0003-3379-8744
affiliation: Department of Physics, Florida International University, Miami, FL, USA
title: "Methods for decoding cortical gradients of functional connectivity"
doi: 10.1162/imag_a_00081
date-released: 2024-02-02
url: "https://doi.org/10.1162/imag_a_00081"
journal: Imaging Neuroscience
type: article