A Survey of the Sources of Noise in fMRI

Douglas N. Greve; Gregory G. Brown; Bryon A. Mueller; Gary Glover; Thomas T. Liu

doi:10.1007/s11336-012-9294-0

A Survey of the Sources of Noise in fMRI

Douglas N. Greve, Gregory G. Brown, Bryon A. Mueller, Gary Glover, Thomas T. Liu

Psychiatry & Behavioral Sciences

Research output: Contribution to journal › Article › peer-review

44 Scopus citations

Abstract

Functional magnetic resonance imaging (fMRI) is a noninvasive method for measuring brain function by correlating temporal changes in local cerebral blood oxygenation with behavioral measures. fMRI is used to study individuals at single time points, across multiple time points (with or without intervention), as well as to examine the variation of brain function across normal and ill populations. fMRI may be collected at multiple sites and then pooled into a single analysis. This paper describes how fMRI data is analyzed at each of these levels and describes the noise sources introduced at each level.

Original language	English (US)
Pages (from-to)	396-416
Number of pages	21
Journal	Psychometrika
Volume	78
Issue number	3
DOIs	https://doi.org/10.1007/s11336-012-9294-0
State	Published - Jul 2013

Bibliographical note

Funding Information:
Support for this research was provided in part by the National Center for Research Resources (P41-RR14075, R01 RR16594, P41-009874, the NCRR BIRN Morphometric Project BIRN002, and Functional Imaging Biomedical Informatics Research Network (FBIRN) U24 RR021382), the National Institute for Biomedical Imaging and Bioengineering (R01 EB001550, R01EB006758), as well as by the Department of Energy (DE-F02-99ER62764-A012) to the Mind Research Network (previously known as the MIND Institute).

Keywords

blood oxygen level dependent
first-level analysis
functional MRI
higher level analysis
sources of noise

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abstract = "Functional magnetic resonance imaging (fMRI) is a noninvasive method for measuring brain function by correlating temporal changes in local cerebral blood oxygenation with behavioral measures. fMRI is used to study individuals at single time points, across multiple time points (with or without intervention), as well as to examine the variation of brain function across normal and ill populations. fMRI may be collected at multiple sites and then pooled into a single analysis. This paper describes how fMRI data is analyzed at each of these levels and describes the noise sources introduced at each level.",

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AU - Mueller, Bryon A.

AU - Glover, Gary

AU - Liu, Thomas T.

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A Survey of the Sources of Noise in fMRI

Abstract

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Keywords

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