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Changes in adjusted rCBF across tasks for young and old subjects in regions positively (1–7) and negatively (10–15) associated with LV1 and in regions positively (17–20) and negatively (21–24) associated with LV3. The top number in each graph corresponds to a saliency number in Table 4. Below this number, the hemisphere (Left or Right), a brain region (e.g., insula), and/or a Brodmann area are indicated.
