A Descriptive Review of the Impact of Patient Motion in Early Childhood Resting-State Functional Magnetic Resonance Imaging

被引:2
作者
Schabdach, Jenna [1 ]
Ceschin, Rafael [2 ]
Schmithorst, Vanessa [3 ]
Tisdall, M. Dylan [4 ]
Alexander-Bloch, Aaron [1 ,4 ]
Panigrahy, Ashok [3 ]
机构
[1] Childrens Hosp Philadelphia, Philadelphia, PA 19104 USA
[2] Univ Pittsburgh, Sch Med, Pittsburgh, PA 15213 USA
[3] UPMC Childrens Hosp Pittsburgh, Pittsburgh, PA 15224 USA
[4] Univ Penn, Perelman Sch Med, Philadelphia, PA 19104 USA
关键词
rs-fMRI; pediatric rs-fMRI; patient motion; task-free fMRI; REAL-TIME MOTION; LOW-FREQUENCY FLUCTUATIONS; TRAUMATIC BRAIN-INJURY; DEFAULT MODE; HEAD MOTION; VOLUMETRIC NAVIGATORS; CONFOUND REGRESSION; ALZHEIMERS-DISEASE; FMRI; MRI;
D O I
10.3390/diagnostics12051032
中图分类号
R5 [内科学];
学科分类号
1002 ; 100201 ;
摘要
Resting-state functional magnetic images (rs-fMRIs) can be used to map and delineate the brain activity occurring while the patient is in a task-free state. These resting-state activity networks can be informative when diagnosing various neurodevelopmental diseases, but only if the images are high quality. The quality of an rs-fMRI rapidly degrades when the patient moves during the scan. Herein, we describe how patient motion impacts an rs-fMRI on multiple levels. We begin with how the electromagnetic field and pulses of an MR scanner interact with a patient's physiology, how movement affects the net signal acquired by the scanner, and how motion can be quantified from rs-fMRI. We then present methods for preventing motion through educational and behavioral interventions appropriate for different age groups, techniques for prospectively monitoring and correcting motion during the acquisition process, and pipelines for mitigating the effects of motion in existing scans.
引用
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页数:19
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