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. 2005 Sep;26(8):2005–2009.

Fig 1.

Fig 1.

Statistical maps analyzed by 3D SSP. The color of the outer counter corresponds to a Z score of 7.

A, Relative decreases of rCBF (z score ≦2) in subjects 60–69 years of age compared with rCBF in subjects 50–59 years of age. The most extensive reduction in rCBF was observed in the right anterior cingulate gyrus. There were also decreases in rCBF in the left anterior cingulate gyrus, bilateral posterior cingulate gyri, bilateral medial frontal gyri, bilateral subcallosal gyri, left superior temporal gyrus, and left cuneus.

B, Relative decreases of rCBF (z score ≦2) in subjects 70–79 years of age compared with rCBF in subjects 60–69 years of age. The most extensive reduction in rCBF was observed in the bilateral anterior cingulate gyri. There were also decreases in rCBF in the left inferior frontal gyrus, left subcallosal gyrus, left supramarginal gyrus, and left superior temporal gyrus.

C, Relative decreases of rCBFs (z score ≦2) in subjects 70–79 years of age compared with rCBF in subjects 50–59 years of age. The most extensive reduction in rCBF was observed in the bilateral anterior cingulate gyri. There were also decreases in rCBF in the left inferior frontal gyrus, left subcallosal gyrus, left supramarginal gyrus, and left superior temporal gyrus.