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Robust and Unbiased Variance of GLM Coefficients for Misspecified Autocorrelation and Hemodynamic Response Models in fMRI
As a consequence of misspecification of the hemodynamic response and noise variance models, tests on general linear model coe cients are not valid. Robust estimation of the variance of the general linear model (GLM) coecients in fMRI time series is therefore essential. In this paper an alternative m...
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| Formato: | Texto |
| Lenguaje: | English |
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Hindawi Publishing Corporation
2009
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| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2738954/ https://www.ncbi.nlm.nih.gov/pubmed/19746181 http://dx.doi.org/10.1155/2009/723912 |