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Abstract #1745

Enhancement of Event-Related fMRI Studies of the Human Visual System Using Multi-band EPI

R. Allen Waggoner1, Topi Tanskanen1, Keiji Tanaka1, and Kang Cheng1,2

1Laboratory for Cognitive Brain Mapping, RIKEN - Brain Science Institute, Wako-shi, Japan, 2fMRI Support Unit, RIKEN - Brain Science Institute, Wako-shi, Japan

The potential benefits of multi-band EPI for event-related fMRI studies has received little attention. In this study, we explore the impact of the reduced repetition times permitted by modest levels of slice acceleration on the extent of activation in an event-related study. We also explore the use of this denser sampling to investigate the differences in hemodynamic response to variations in stimuli and differences in the hemodynamic response across brain regions.

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