Whole-brain functional MR imaging activation from a finger-tapping task examined with independent component analysis

CH Moritz, VM Haughton, D Cordes… - American Journal …, 2000 - Am Soc Neuroradiology
BACKGROUND AND PURPOSE: Independent component analysis (ICA), unlike other
methods for processing functional MR (fMR) imaging data, requires no a priori assumptions …

Independent component analysis applied to self-paced functional MR imaging paradigms

CH Moritz, JD Carew, AB McMillan, ME Meyerand - Neuroimage, 2005 - Elsevier
Self-paced functional MR imaging (fMRI) paradigms, in which the task timing is determined
by the subject's performance, can offer several advantages over commonly applied …

Functional MR imaging activation after finger tapping has a shorter duration in the basal ganglia than in the sensorimotor cortex

CH Moritz, ME Meyerand, D Cordes… - American journal of …, 2000 - Am Soc Neuroradiology
BACKGROUND AND PURPOSE: Repetitive motor tasks that produce sustained neuronal
activity in the sensorimotor cortex produce transient neuronal activity in subcortical regions …

Long-term reproducibility analysis of fMRI using hand motor task

SS Yoo, X Wei, CC Dickey, CRG Guttmann… - International Journal …, 2005 - Taylor & Francis
This article reports test-retest reproducibility of functional MRI (fMRI) measurement on brain
activation elicited by auditory-cued sequential finger tapping. Eight right-handed volunteers …

Power spectrum ranked independent component analysis of a periodic fMRI complex motor paradigm

CH Moritz, BP Rogers, ME Meyerand - Human brain mapping, 2003 - Wiley Online Library
Independent component analysis (ICA) has been demonstrated to be an effective data‐
driven method for analyzing fMRI data. However, a method for objective differentiation of …

Comparison of independent component analysis and conventional hypothesis-driven analysis for clinical functional MR image processing

MA Quigley, VM Haughton, J Carew… - American Journal …, 2002 - Am Soc Neuroradiology
BACKGROUND AND PURPOSE: With independent component analysis (ICA), regions of
activation can be identified on functional MR (fMR) images without a priori knowledge of …

Cortical activity in multiple motor areas during sequential finger movements: an application of independent component analysis

K Kansaku, S Muraki, S Umeyama, Y Nishimori… - NeuroImage, 2005 - Elsevier
Multiple cortical regions such as the supplementary motor area (SMA), premotor cortex (PM),
and primary motor cortex (M1) are involved in the sequential execution of hand movements …

Network analysis of single-subject fMRI during a finger opposition task

JF Smith, K Chen, S Johnson, J Morrone-Strupinsky… - Neuroimage, 2006 - Elsevier
The analysis of functional magnetic resonance imaging (fMRI) data has typically relied on
univariate methods to identify areas of brain activity related to cognitive and behavioral task …

Can resting‐state functional MRI serve as a complement to task‐based mapping of sensorimotor function? A test–retest reliability study in healthy volunteers

P Mannfolk, M Nilsson, H Hansson… - Journal of Magnetic …, 2011 - Wiley Online Library
Purpose: To investigate if resting‐state functional MRI (fMRI) reliably can serve as a
complement to task‐based fMRI for presurgical mapping of the sensorimotor cortex …

Functional Magnetic Resonance Imaging (fMRI) reproducibility and variance components across visits and scanning sites with a finger tapping task

VE Gountouna, DE Job, AM McIntosh, TWJ Moorhead… - Neuroimage, 2010 - Elsevier
Multicentre MRI studies offer great potential to increase study power and flexibility, but it is
not yet clear how reproducible the results from multiple centres may be. Here we present …