Open Access
Open access
том 113 издание 28 страницы 7900-7905

Cluster failure: Why fMRI inferences for spatial extent have inflated false-positive rates

Тип публикацииJournal Article
Дата публикации2016-06-28
scimago Q1
wos Q1
БС1
SJR3.414
CiteScore16.5
Impact factor9.1
ISSN00278424, 10916490
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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ГОСТ |
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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.
ГОСТ со всеми авторами (до 50) Скопировать
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.
RIS |
Цитировать
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 -
BibTex |
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BibTex (до 50 авторов) Скопировать
@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}
}
MLA
Цитировать
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.