NIDM-Results: a model to share brain mapping statistical results

Analysis

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Publicly available

data

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Publicly available

data

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< 5% of data shared in public repositoriesB

UT

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Peak locationsFigure

(selected slices)Thresholded

statistics

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Peak locationsFigure

(selected slices)Thresholded

statistics

Analysis

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Raw data

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Publication

❌❌❌

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Study 1

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Study 2

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Study n...

Meta-analysisResults

Coordinate- or Image-Based?Acquisition Analysis

Experiment Raw data Results

Acquisition Analysis

Experiment Raw data Results

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Coordinate- or Image-Based?Acquisition Analysis

Experiment Raw data Results

Acquisition Analysis

Experiment Raw data Results

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Coordinate-based meta-analysis

Coordinate-based meta-analysis

Image-based meta-analysis

Shared results

Full results reporting

Coordinate- or Image-Based?Acquisition Analysis

Experiment Raw data Results

Acquisition Analysis

Experiment Raw data Results

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Publication

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Coordinate-based meta-analysis

Coordinate-based meta-analysis Image-based meta-analysis

Standard error map

Statistic mapE.g. Z-map

Contrast map Design matrix(png and csv)

NIDM-Resultsgraph

.nidm

.zip

NIDM-Results

http://nidm.nidash.org

http://nidm.nidash.org/specs/nidm-results.html

Definition

Attributes

Examples

Harmonisation across software

• Model of the error– Prob. distribution:– Variance:

– Dependence:heterogeneous

Independent noise

homogeneous

Compound Symmetry

Serially correlated

Arbitrarily correlated

Gaussian Non-Parametric …

global

local

regularized

Error models: SPM, FSL and AFNIGroup levelSubject level

www.fil.ion.ucl.ac.uk/spm/

$ nidmfsl ds107.gfeat -g Control 49

pip

https://github.com/incf-nidash/nidmresults-fslhttp://fsl.fmrib.ox.ac.uk

http://neurovault.org

http://neurovault.org

http://neurovault.org

Coordinate-based meta-analysis Image-based meta-analysis

Scripts available at http://github.com/incf-nidash/nidmresults-paper

Thank you! To all the INCF NIDASH task force members.

This work is supported by the

Warwick neurodata sharing Tom Nichols, Alex Bowring, Ruth Pauli, Peter Williams, Tom Maullin-Sapey.

NIDM working group Tibor Auer, Samir Das, Fariba Fana, Guillaume Flandin, Satra Ghosh, Tristan Glatard, Chris Gorgolewski, Karl Helmer, David Keator, Nolan Nichols, Jean-Baptiste Poline, Vanessa Sochat, Jason Steffener, Jessica Turner.

SPM Guillaume Flandin.FSL Mark Jenkinson, Matthew Webster, Paul McCarthy, Eugene Duff, FSL Steve Smith.AFNI Gang Chen, Richard Reynolds, Ziad Saad, Robert Cox.

Meta-analysis dataset Tracey group at FMRIB.

Q & A

Maumet, C. et al. Sharing brain mapping statistical results with the neuroimaging data model. Sci. Data 3:160102 doi: 10.1038/sdata.2016.102 (2016).

https://github.com/incf-nidash http://nidm.nidash.org