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. Author manuscript; available in PMC: 2021 Nov 1.
Published in final edited form as: Neuroimage. 2021 Aug 21;243:118500. doi: 10.1016/j.neuroimage.2021.118500

Table A5.

Pearson’s r or Spearman’s ρ correlations (indicated by superscript “ρ”) between SMC GABA+ levels and modulation of the PMd-M1 short latency interhemispheric interaction (s-IHiNORM): r(p-value) or ρ(p-value). No result survived FDR correction.

YOUNG OLDER
Dominant Non-dominant Dominant Non-dominant
Preparatory Period −0.08(0.73) ρ −0.27(0.20) −0.10(0.66) 0.04(0.86)
Premotor Period Selected 0.35(0.10) ρ 0.24(0.28) 0.13(0.56) ρ −0.20(0.41)
Non-selected 0.41(0.05) ρ −0.16(0.46) ρ −0.24(0.29) ρ 0.39(0.10)
Bimanual 0.13(0.55) ρ 0.09(0.70) 0.13(0.57) −0.06(0.81)
No response −0.12(0.59) ρ −0.11(0.60) −0.09(0.70) −0.14(0.58) ρ