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. 2012 May 24;7(5):e36953. doi: 10.1371/journal.pone.0036953

Figure 5. Regions of interest (ROI) analysis of BOLD activity in the nucleus accumbens.

Figure 5

A) Time courses for immediate (dashed) and delayed (solid) choice options in the nucleus accumbens (Nacc, as defined using Talairach atlas). Younger adults (top) are shown in black, older adults (bottom) are shown in grey. B) For younger adults (top) BOLD signal change for immediate choice options in the nucleus accumbens correlates positively with discounting. In contrast, BOLD signal change for delayed choice options correlates negatively with discounting. For older adults (bottom) no significant correlations are obtained.