Open Access
,
том 113
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издание 28
,
страницы 7900-7905
Cluster failure: Why fMRI inferences for spatial extent have inflated false-positive rates
Тип публикации: Journal Article
Дата публикации: 2016-06-28
scimago Q1
wos Q1
БС1
SJR: 3.414
CiteScore: 16.5
Impact factor: 9.1
ISSN: 00278424, 10916490
PubMed ID:
27357684
Multidisciplinary
Краткое описание
Significance
Functional MRI (fMRI) is 25 years old, yet surprisingly its most common statistical methods have not been validated using real data. Here, we used resting-state fMRI data from 499 healthy controls to conduct 3 million task group analyses. Using this null data with different experimental designs, we estimate the incidence of significant results. In theory, we should find 5% false positives (for a significance threshold of 5%), but instead we found that the most common software packages for fMRI analysis (SPM, FSL, AFNI) can result in false-positive rates of up to 70%. These results question the validity of a number of fMRI studies and may have a large impact on the interpretation of weakly significant neuroimaging results.
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Eklund A. et al. Cluster failure: Why fMRI inferences for spatial extent have inflated false-positive rates // Proceedings of the National Academy of Sciences of the United States of America. 2016. Vol. 113. No. 28. pp. 7900-7905.
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Eklund A., Nichols T. E., Knutsson H. Cluster failure: Why fMRI inferences for spatial extent have inflated false-positive rates // Proceedings of the National Academy of Sciences of the United States of America. 2016. Vol. 113. No. 28. pp. 7900-7905.
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TY - JOUR
DO - 10.1073/pnas.1602413113
UR - https://doi.org/10.1073/pnas.1602413113
TI - Cluster failure: Why fMRI inferences for spatial extent have inflated false-positive rates
T2 - Proceedings of the National Academy of Sciences of the United States of America
AU - Eklund, Anders
AU - Nichols, Thomas E.
AU - Knutsson, Hans
PY - 2016
DA - 2016/06/28
PB - Proceedings of the National Academy of Sciences (PNAS)
SP - 7900-7905
IS - 28
VL - 113
PMID - 27357684
SN - 0027-8424
SN - 1091-6490
ER -
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@article{2016_Eklund,
author = {Anders Eklund and Thomas E. Nichols and Hans Knutsson},
title = {Cluster failure: Why fMRI inferences for spatial extent have inflated false-positive rates},
journal = {Proceedings of the National Academy of Sciences of the United States of America},
year = {2016},
volume = {113},
publisher = {Proceedings of the National Academy of Sciences (PNAS)},
month = {jun},
url = {https://doi.org/10.1073/pnas.1602413113},
number = {28},
pages = {7900--7905},
doi = {10.1073/pnas.1602413113}
}
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MLA
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Eklund, Anders, et al. “Cluster failure: Why fMRI inferences for spatial extent have inflated false-positive rates.” Proceedings of the National Academy of Sciences of the United States of America, vol. 113, no. 28, Jun. 2016, pp. 7900-7905. https://doi.org/10.1073/pnas.1602413113.