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. Author manuscript; available in PMC: 2012 Jun 1.
Published in final edited form as: Neurobiol Aging. 2009 Jun 27;32(6):1138–1148. doi: 10.1016/j.neurobiolaging.2009.05.020

Figure 4.

Figure 4

Typical anterior VOI MRS spectra taken from (a) a 8.4 year old and (b) a 24.4 year old monkey. The actual concentrations in i.u. for the spectrum in (a) are: NAA=9.15 i.u., Cho=1.67 i.u., tCr=11.16 i.u., MI=6.60 i.u., and for the spectrum in (b): NAA=9.04 i.u., Cho=1.47 i.u., tCR=12.98 i.u. and MI=9.3 i.u.