Abstract #4621

Size-Adaptable 32-Channel Receive Array for Pediatric Brain Imaging at 3 Tesla

Anpreet Ghotra¹, Heather Kosakowski², Atsushi Takahashi², Markus May¹, Alina Scholz¹, Nicolas Kutscha¹, Mirsad Mahmutovic¹, Lawrence L Wald³, Nancy Kanwisher², Rebecca Saxe², and Boris Keil¹

¹Institute of Medical Physics and Radiation Protection, TH Mittelhessen University of Applied Science, Giessen, Germany, ²McGovern Institute for Brain Research, Massachusetts Institute of Technology, Cambridge, MA, United States, ³Martinos Center for Biomedical Imaging, Dept. of Radiology, Massachusetts General Hospital, Harvard Medical School, Boston, MA, United States

The aim of this study is a hardware related approach to increase the subject’s compliance for fMRI with awake infants. An infant-friendly head coil array was developed to improve sensitivity, spatial resolution, accelerated encoding, motion insensitivity, and subject tolerance in pediatric MR-imaging. The coil was characterized with both bench and image metrics and compared to a 32-channel adult head coil. The size-optimized 32-channel infant array coil provides increased reception sensitivity and is well-suited for highly accelerated fMRI data acquisitions in awake infants.

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