The effect of preprocessing in dynamic functional network connectivity used to classify mild traumatic brain injury

Brain and Behavior
Victor M VergaraVince D Calhoun

Abstract

Dynamic functional network connectivity (dFNC), derived from magnetic resonance imaging (fMRI), is an important technique in the search for biomarkers of brain diseases such as mild traumatic brain injury (mTBI). At the individual level, mTBI can affect cognitive functions and change personality traits. Previous research aimed at detecting significant changes in the dFNC of mTBI subjects. However, one of the main concerns in dFNC analysis is the appropriateness of methods used to correct for subject movement. In this work, we focus on the effect that rearranging movement correction at different points of the processing pipeline has in dFNC analysis utilizing mTBI data. The sample cohort consists of 50 mTBI patients and matched healthy controls. A 5-min resting-state run was completed by each participant. Data were preprocessed using different pipeline alternatives varying with the place where motion-related variance was removed. In all pipelines, group-independent component analysis (gICA) followed by dFNC analysis was performed. Additional tests were performed varying the detection of temporal spikes, the number of gICA components, and the sliding-window size. A linear support vector machine was used to test how each pipeline ...Continue Reading

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Citations

Apr 16, 2019·Brain Connectivity·Wenshuai HouRao P Gullapalli
Oct 22, 2019·Human Brain Mapping·Harm J van der HornJoukje van der Naalt
Feb 12, 2020·Network Neuroscience·Daniel J LurieVince D Calhoun
Feb 23, 2019·Network Neuroscience·Hua XieSunanda Mitra
Dec 6, 2017·Human Brain Mapping·Ashkan FaghiriVince D Calhoun
Aug 14, 2020·Social Cognitive and Affective Neuroscience·Armin IrajiVince D Calhoun
Jul 7, 2020·Neurobiology of Aging·Alberto BenussiBarbara Borroni

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Methods Mentioned

BETA
SMA

Key Resources (RRID) Mentioned

SCR_002521
SCR_007037
SCR_001953
SCR_014981

Software Mentioned

SpkMotReg
GIFT
SpkReg
Neurobehavioral
MotReg
ICASSO
gICA

Related Concepts

Related Feeds

Brain Injury & Trauma

brain injury after impact to the head is due to both immediate mechanical effects and delayed responses of neural tissues.

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