Abstract #0307
A System for Attenuating and Monitoring Acoustic Noise during Infant MRI Studies
Michael Valente 1,2 , Lei Zhou 3 , Longchuan Li 1,2 , Sarah Shultz 1,2 , and Xiaoping Hu 3
1
Pediatrics, Emory University, Atlanta, GA,
United States,
2
Marcus
Autism Center, Children's Healthcare of Atlanta,
Atlanta, GA, United States,
3
Biomedical
Engineering, Emory University, Atlanta, GA, United
States
We developed a noise attenuation system for infant MRI
studies that consists of an acoustic hood inserted into
the MRI bore and a pair of headphones with embedded
microphones for real-time monitoring of in-ear noise
levels. This system is capable of attenuating overall
noise levels below 70dB during structural, diffusion and
functional scans and can quickly detect elevated noise
exposure caused by improper headphone placement. This
system meets NICU standards for newborn noise exposure
and will greatly improve the success rate of imaging
naturally sleeping infants.
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