marginally significantp = .070
Post-hoc paired-samples t -tests for each age group indicated that there was a significant difference in local efficiency from rest to 2-back for young participants, t (13) = 4.22, p = .001, Cohen’s d = 1.13, and a marginally significant difference for older participants, t (14) = 1.96, p = .070, Cohen’s d = 0.51.