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. 2016 Jun 11;72(8):1007–1014. doi: 10.1093/gerona/glw104

Figure 2.

Figure 2.

Both odor-sniffing (a) and odorless-sniffing (b) triggered significant activation in the bilateral primary olfactory cortex (POC), and secondary and higher-order olfactory structures, which includes the insular cortex, orbitofrontal cortex (OFC), cingulate cortex, dorsolateral prefrontal cortex (DLPFC), and temporal cortices (voxel-based one-sample t test, n = 43, family-wise-error [FWE] corrected, p < .001, cluster size ≥6 voxels). Odor-sniffing triggered significantly stronger POC activation than odorless sniffing (c) (voxel-based paired t test, n = 43, FWE corrected, p < .05, cluster size ≥6 voxels).