Abstract #2980
Multiband EPI in brain functional mapping an fMRI study with rhyme judgment tasks
Xiujuan Geng 1 , Hong Gu 2 , Yihong Yang 2 , and Li-Hai Tan 1
1
University of Hong Kong, Hong Kong, China,
2
National
Institute on Drug Abuse, Maryland, United States
Recent multiband EPI acquisition techniques show
advantages in spontaneous brain functional connectivity
analyses and diffusion imaging. In this work, we
investigated the potentials of fast imaging in
task-based fMRI studies. Particularly, we utilized
conventional and multiband (MB) EPI techniques to study
brain functional mapping under phonological processing
with rhyming judgment tasks. Despite the lower spatial
SNR per image volume due to the faster TR acquisitions,
the MB EPI produces stronger statistical power in
activation detection because of higher temporal sampling
rate. Results also demonstrated that the MB technique
produces stronger or similar detection power with much
reduced acquisition time.
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