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. 2018 Aug 2;13(8):e0201765. doi: 10.1371/journal.pone.0201765

Fig 4. Results of N-back tonal task.

Fig 4

(A, B) Performance of musicians (A) and non-musicians (B) as a function of the notes between the reference and probe notes (N) for quarter note (black curve) and eighth note (grey curve) conditions. (C) Combined analyses of the quarter and eighth note conditions. Horizontal dashed lines in all plots represent the chance level. Error bars are corrected S.E.M across participants. Stars mark the significant difference comparing to the chance level.