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. Author manuscript; available in PMC: 2019 Mar 7.
Published in final edited form as: Neuron. 2018 Mar 7;97(5):1187–1198.e4. doi: 10.1016/j.neuron.2018.01.039

Figure 3. Task and age effects in left alEC and right pmEC.

Figure 3

A) Collapsed across similarity levels, older participants show significantly lower activity in left alEC during object discrimination. B) Older adults show significantly lesser gains in alEC engagement with decreasing object similarity compared to young participants. C) alEC shows neither a modulation of spatial lure similarity nor age during spatial discrimination. D) Collapsed across similarity levels, both old and young participants show comparable levels of right pmEC engagement during spatial lure discrimination. E) pmEC shows neither a modulation of object lure similarity nor age during object discrimination. F) For both young and old participants, pmEC is increasingly engaged as lure similarity decreases during spatial discrimination, with no group difference. Data are shown as mean ± standard error (CR = correct rejection; * = Young > Old; + = Significantly different group slopes for the curve of alEC engagement across similarity levels; all post hoc tests are reported as p < 0.05 corrected for multiple comparisons.)