REGULARIZED BRAIN READING WITH SHRINKAGE AND SMOOTHING

Functional neuroimaging measures how the brain responds to complex stimuli. However, sample sizes are modest, noise is substantial, and stimuli are high dimensional. Hence, direct estimates are inherently imprecise and call for regularization. We compare a suite of approaches which regularize via sh...

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Veröffentlicht in:	The annals of applied statistics 2015-12, Vol.9 (4), p.1997-2022
Hauptverfasser:	Wehbe, Leila, Ramdas, Aaditya, Steorts, Rebecca C., Shalizi, Cosma Rohilla
Format:	Artikel
Sprache:	eng
Schlagworte:	fMRI regularization shrinkage small area estimation spatial smoothing
Online-Zugang:	Volltext
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