606871.fig.003a
(a) Total intracranial volume
606871.fig.003b
(b) Total cerebral volume
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(c) Total frontal volume
Figure 3: Volumetric data for older relative to younger adults for (a) total intracranial volume, (b) whole brain gray and white cerebral volumes (black bars, young; white bars, older), (c) prefrontal gray and white (black bars, young; white bars, older). Error bars represent 1 SEM.