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. Author manuscript; available in PMC: 2009 Jul 27.
Published in final edited form as: Ann N Y Acad Sci. 2009 Mar;1156:260–293. doi: 10.1111/j.1749-6632.2009.04420.x

Figure 2.

Figure 2

Obtained from (Muthukumaraswamy & Singh, 2008). This shows the temporal frequency tuning curves for peak responses in fMRI and MEG Gamma frequency (40×60Hz) data in primary visual cortex, clearly indicating a difference between fMRI and MEG responses. No spatial frequency dependence is seen in fMRI, while with MEG, as strong spatial frequency dependence is demonstrated. In addition, with MEG, the tuning curves are show a more flat responsivity than the fMRI curves.