Abstract #2991

Progress towards direct in-vivo detection and mapping of neuronal activity

Tan-Toi Phan^1,2, Hansol Lee², Jeong-Taek Lee^1,2, Seung-Kyun Lee^1,2, and Jang-Yeon Park^1,2

¹Biomedical Engineering, Sungkyunkwan University, Suwon, Korea, Republic of, ²Center for Neuroscience Imaging Research, Institute for Basic Science, Suwon, Korea, Republic of

Currently, despite much effort to probe the possibility of using MRI for directly detecting and mapping the neuronal activity, the results are inconclusive. Herein, to build upon our previous works, we present new results of using MRI to directly detect and map the neuronal activity with a high temporal resolution up to 4.5 ms. Using a low-flip angle gradient-echo line-scan method, we observed indications of propagating image intensity changes along an electrically stimulated live earthworm at 9.4 T.

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