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 Cheng^1,2

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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