Abstract #2244

T2 Relaxation Times of Macromolecules in Human Brain Spectra at 9.4 T

Tamás Borbáth^1,2, Saipavitra Murali Manohar^1,2, Andrew Martin Wright^1,3, and Anke Henning¹

¹Biological Cybernetics, Max Planck Institute, Tübingen, Germany, ²Faculty of Science, University of Tübingen, Tübingen, Germany, ³Graduate Training Centre of Neuroscience, University of Tübingen, Tübingen, Germany

This work reports the apparent T₂ relaxation times of macromolecules measured at 9.4 T in the human brain. The measured T₂ times are between 10 and 40ms, with longer relaxation times of around 50 ms for M2 and M3. The J-evolution of the peak at 2.7 ppm is observed at longer echo times. The full-width half-maxima of the simulated peaks are significantly broader than the T₂ component of the lineshapes.

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