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Cited by 1,119

The DOI matches its Crossref record; 27 of the 27 references it cites were found in a registry or an index.

Minimizing within‐experiment and within‐group effects in activation likelihood estimation meta‐analyses

Open access
Turkeltaub, Peter E., Eickhoff, Simon B., Laird, Angela R., Fox, Mick, Wiener, Martin, Fox, Peter·2012·Human Brain Mapping

Abstract

Activation Likelihood Estimation (ALE) is an objective, quantitative technique for coordinate‐based meta‐analysis (CBMA) of neuroimaging results that has been validated for a variety of uses. Stepwise modifications have improved ALE's theoretical and statistical rigor since its introduction. Here, we evaluate two avenues to further optimize ALE. First, we demonstrate that the maximum contribution of an experiment makes to an ALE map is related to the number of foci it reports and their proximity. We present a modified ALE algorithm that eliminates these within‐experiment effects. However, we show that these effects only account for 2–3% of cumulative ALE values, and removing them has little impact on thresholded ALE maps. Next, we present an alternate organizational approach to datasets that prevents subject groups with multiple experiments in a dataset from influencing ALE values more than others. This modification decreases cumulative ALE values by 7–9%, changes the relative magnitude of some clusters, and reduces cluster extents. Overall, differences between results of the standard approach and these new methods were small. This finding validates previous ALE reports against concerns that they were driven by within‐experiment or within‐group effects. We suggest that the modified ALE algorithm is theoretically advantageous compared with the current algorithm, and that the alternate organization of datasets is the most conservative approach for typical ALE analyses and other CBMA methods. Combining the two modifications minimizes both within‐experiment and within‐group effects, optimizing the degree to which ALE values represent concordance of findings across independent reports. Hum Brain Mapp, 2012. © 2011 Wiley Periodicals, Inc.

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Metadata

Authors
Turkeltaub, P. E., Eickhoff, S. B., Laird, A. R., Fox, M., Wiener, M., & Fox, P.
Venue
Human Brain Mapping
Publisher
Wiley
Published
2011-02-08
Volume
33
Issue
1
Pages
1-13
ISSN
  • 1065-9471 (ISSN-L)
  • 1097-0193
OpenAlex
W2089596781
Cited by
1,119
References
27
FWCI
22.01
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Minimizing within‐experiment and within‐group effects in activation likelihood estimation meta‐analyses. https://app.cochat.ai/papers/10.1002/hbm.21186
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Turkeltaub, P. E., Eickhoff, S. B., Laird, A. R., Fox, M., Wiener, M., & Fox, P. (2012). Minimizing within‐experiment and within‐group effects in activation likelihood estimation meta‐analyses. Human Brain Mapping. https://doi.org/10.1002/hbm.21186

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