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. Author manuscript; available in PMC: 2014 May 15.
Published in final edited form as: Neuroimage. 2013 Jan 26;72:20–32. doi: 10.1016/j.neuroimage.2013.01.030

Figure 4.

Figure 4

Neural effects during the retrieval period of the working memory task are presented across 6 axial slices (cluster corrected at Z > 2.7, p < 0.05, and FDR corrected for multiple comparisons). The main effect of Age Group was not significant. However, a main effect of Load Condition revealed greater activity at higher versus lower working memory loads. Importantly, the main effect of Load Condition was qualified by a significant Age Group × Load Condition interaction. Whereas younger adults showed greater activity to Load 6 versus Load 2, older adults showed greater activity to Load 2 versus Load 6 in medial superior frontal gyrus.