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Mindful minds: How group identity shapes brain and behavior in social decision-making.

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Paper

Loaded from Europe PMC by your browser, not stored by OSCR: doi.org · Europe PMC

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The authors' code

MATLAB · 30 lines · 1 KB · no license

  1. function soconnect_copydata(src,tgt,tag)
  2. % _________________________________________________________________________
  3. % Copies data to other folder with prefix
  4. %
  6. cd(src)
  7. prefix = [tag,'_'];
  9. clear filenames; filenames = dir(['*.nii']);
  10. %copy all volumes from ii ech to newdir
  11. for f = 1:numel(filenames)
  12. clear source; source = fullfile(src,filenames(f).name);
  13. clear newdir; newdir = fullfile(tgt,[prefix,filenames(f).name]);
  14. unix(['cp ' source ' ' newdir]);
  15. end
  16. clear filenames; filenames = dir(['*.img']);
  17. %copy all volumes from ii ech to newdir
  18. for f = 1:numel(filenames)
  19. clear source; source = fullfile(src,filenames(f).name);
  20. clear newdir; newdir = fullfile(tgt,[prefix,filenames(f).name]);
  21. unix(['cp ' source ' ' newdir]);
  22. end
  23. clear filenames; filenames = dir(['*.hdr']);
  24. %copy all volumes from ii ech to newdir
  25. for f = 1:numel(filenames)
  26. clear source; source = fullfile(src,filenames(f).name);
  27. clear newdir; newdir = fullfile(tgt,[prefix,filenames(f).name]);
  28. unix(['cp ' source ' ' newdir]);
  29. end

soconnect_copydata.m at commit 473276f, no license · at the source

Overview

Authors: Maartje M. A. Overhaus1,2, Mariët van Buuren1,2, Paul A. M. van Lange3, Lydia Krabbendam1,2
ORCID iDs: Maartje M. A. Overhaus, Mariët van Buuren, Paul A. M. van Lange, Lydia Krabbendam
  1. Department of Clinical-, Neuro-, and Developmental Psychology, Faculty of Behavioral and Movement Sciences, Vrije Universiteit Amsterdam,Van Der Boechorststraat 7, 1081 BT Amsterdam, The Netherlands
  2. Institute for Brain and Behavior Amsterdam, Vrije Universiteit Amsterdam,Van Der Boechorststraat 7, 1081 BT Amsterdam, the Netherlands
  3. Experimental and Applied Psychology, Vrije Universiteit Amsterdam,Van Der Boechorststraat 7, 1081 BT Amsterdam, The Netherlands
Institutions: Vrije Universiteit Amsterdam (Netherlands)
Journal: Cognitive, affective & behavioral neuroscience, volume 26, issue 4, pages 1778-1794
Dates: received 16 August 2025; accepted 18 February 2026; published online 17 April 2026; in print 2026
Type: Research article · Language: English
License: CC BY
Identifiers: DOI 10.3758/s13415-026-01425-1 · PMID 41998324 · PMCID PMC13385094 · OpenAlex W7154683511
Open access: hybrid, a free copy (OpenAlex)
Status: code verified
Categories: fMRI (modality), human (organism), cognitive (subfield)
Methods: Statistics, fMRI & imaging
Keywords: Social mindfulness, Group identity, Political ideology, FMRI, Decision making
MeSH: Brain*, Cerebral Cortex*, Decision Making*, Mentalization*, Mindfulness*, Social Behavior*, Social Identification*, Adult, Brain Mapping, Female, Group Dynamics, Humans, Magnetic Resonance Imaging, Male, Social Group, Young Adult (* major topic)
Topic: Mindfulness and Compassion Interventions (Clinical Psychology, Psychology), according to OpenAlex
Funding: Stichting Ammodo Science Award 2020 for Social Sciences; Institute for Brain and Behavior Amsterdam (IBBA)
Citations: not cited yet (Europe PMC); 138 references in the paper

Abstract

Social mindfulness is a form of prosocial behavior that requires limited effort and considers other’s needs and desires. But does this consideration persist when the other person supports opposing political ideologies? Using the social mindfulness (SoMi) paradigm with 45 adults holding strong pro- or anti-refugee stances, the current functional magnetic resonance imaging study investigates how group identity influences socially mindful behavior and its neural underpinnings. Consistent with prior research, individuals were more socially mindful toward ingroup members than toward outgroup members or unclassified others. This behavior engaged regions associated with mentalizing, decision-making and reward processing, including the temporoparietal junction, dorsal medial prefrontal cortex, dorsolateral prefrontal cortex, middle temporal gyrus, and orbitofrontal cortex. No neural differences emerged during socially mindful decision-making between ingroup and outgroup members or ingroup members and unclassified others. Interestingly, socially mindful decision-making for outgroup members, compared with ingroup members, elicited heightened activation in the right anterior insula, possibly reflecting the social and emotional significance of outgroup interactions resulting from experienced norm violation. Additionally, such decisions for outgroup members, as opposed to unclassified others, were associated with increased activation in the dorsal anterior cingulate cortex (dACC). Given the dACC’s role in cognitive control during complex decision-making, this finding suggests that individuals exerted more effort to align their behavior with prosocial norms, even when these conflicted with self-interest. Overall, this study highlights how shared group identity shapes social mindfulness, reflecting both the emotional processing of outgroup interactions and the mental effort required to maintain prosocial norms in intergroup contexts.

Supplementary Information: The online version contains supplementary material available at 10.3758/s13415-026-01425-1.

Reproduced under the paper's license (CC BY), from the paper cited above.

Repository

Its files are read in the Code ↔ Paper reader above.

marietvbuuren/self_other_2020

License: none: the authors keep all their rights
State: the link answers, verified on 29 September 2026
Evidence: files inventoried
Commit: 473276f9ce648f4d8733684fa31f22dd7637e4ae, 4 August 2021
Languages: MATLAB (13)
Size: 18 files, 13 scripts
Software Heritage: archived
Found in: “Code availability”
Holds: README
Not found: license file, CITATION.cff, environment file, tests, continuous integration, documentation
Tools: SPM (8 files)
Availability: 1 check, the latest on 29 September 2026: the link answers
  • 29 September 2026: the link answers
14 files
At the source: github.com/marietvbuuren/self_other_2020/tree/master/preprocessing_and_analyses

Code availability

The code used for quality controls and the preprocessing of the fMRI data (excluding the combining of the echoes) is available at: https://github.com/marietvbuuren/self_other_2020/tree/master/preprocessing_and_analyses

Reproduced under the paper's license (CC BY), from the paper cited above.

Tracing map

Proposed by the machine: these links were found in the paper and verified at the source, without human review. The map will receive a Zenodo DOI once one of the paper's authors has validated it with their ORCID.

What the map holds:

  • 1 repository of the authors' code, each at its verified commit, with its license and how the link was found in the paper;
  • 13 scripts, each with its path and the digest of its content;
  • no match between paragraphs and code yet;
  • neither the text of the paper nor the code itself.

Its JSON (tracing-map.json) is deposited on Zenodo with its DOI once the map is validated.

Data

No dataset and no data link were found in the paper.

Data availability

The participants did not provide explicit consent for public archiving of the research data. Therefore, the data are not stored in a public repository. Anonymised data will be made available to individual researchers upon request, when compatible with the General Data Protection Regulation (GDPR).

Reproduced under the paper's license (CC BY), from the paper cited above.

Versions

The history of this record: each version stored by the harvester or made by a correction of its authors or of the maintainers of its code, and what changed in its facts. The texts of the paper (its abstract, its availability statements) are not part of it; versions that changed only those are not listed.

Version 1, 29 September 2026: the first record

Recorded: type, language, journal, volume, issue, pages, dates, 4 authors, 5 keywords, 16 MeSH terms, 2 funders, 131 references.

Cite

This paper

Overhaus, M. M. A., van Buuren, M., van Lange, P. A. M., & Krabbendam, L. (2026). Mindful minds: How group identity shapes brain and behavior in social decision-making. Cognitive, affective & behavioral neuroscience, 26(4), 1778-1794. https://doi.org/10.3758/s13415-026-01425-1

BibTeX

@article{overhaus2026mindful,
author = {Overhaus, Maartje M. A. and van Buuren, Mariët and van Lange, Paul A. M. and Krabbendam, Lydia},
title = {{Mindful minds: How group identity shapes brain and behavior in social decision-making}},
journal = {Cognitive, affective \& behavioral neuroscience},
year = {2026},
month = apr,
volume = {26},
number = {4},
pages = {1778--1794},
publisher = {Springer Science+Business Media},
issn = {1530-7026},
doi = {10.3758/s13415-026-01425-1},
url = {https://doi.org/10.3758/s13415-026-01425-1},
pmid = {41998324},
pmcid = {PMC13385094}
}

RIS

TY - JOUR
AU - Overhaus, Maartje M. A.
AU - van Buuren, Mariët
AU - van Lange, Paul A. M.
AU - Krabbendam, Lydia
TI - Mindful minds: How group identity shapes brain and behavior in social decision-making
T2 - Cognitive, affective & behavioral neuroscience
J2 - Cogn Affect Behav Neurosci
PY - 2026
DA - 2026/04/17
VL - 26
IS - 4
SP - 1778
EP - 1794
SN - 1530-7026
PB - Springer Science+Business Media
DO - 10.3758/s13415-026-01425-1
UR - https://doi.org/10.3758/s13415-026-01425-1
LA - en
ER -

CSL-JSON

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"id": "10.3758/s13415-026-01425-1",
"type": "article-journal",
"title": "Mindful minds: How group identity shapes brain and behavior in social decision-making",
"container-title": "Cognitive, affective & behavioral neuroscience",
"author": [
{
"family": "Overhaus",
"given": "Maartje M. A."
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"container-title-short": "Cogn Affect Behav Neurosci",
"volume": "26",
"issue": "4",
"page": "1778-1794",
"DOI": "10.3758/s13415-026-01425-1",
"PMID": "41998324",
"PMCID": "PMC13385094",
"ISSN": "1530-7026",
"publisher": "Springer Science+Business Media",
"URL": "https://doi.org/10.3758/s13415-026-01425-1",
"language": "en",
"issued": {
"date-parts": [
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2026,
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17
]
]
}
}

The tracing map gets a citation of its own once an author has validated it and it has a DOI.

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