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Table 2 Correlations between empathy trait (Interpersonal Reactivity Index (IRI) score) and event-related potential (ERP) responses

From: Effect of empathy trait on attention to various facial expressions: evidence from N170 and late positive potential (LPP)

IRI score
ERP responses
Total score Subscale
   Perspective taking Fantasy Empathic concern Personal distress
N170      
Happy faces -0.30 -0.50a 0.00 -0.43a 0.01
Angry faces -0.44a -0.32 -0.16 -0.63b -0.23
Surprised faces -0.61b -0.51a -0.32 -0.71b -0.26
Afraid faces -0.33 -0.18 -0.29 -0.44a -0.07
Sad faces -0.32 -0.33 -0.14 -0.36 -0.11
Early LPP      
Happy faces 0.31 0.29 0.18 0.17 0.24
Angry faces 0.34 0.45a 0.12 0.17 0.21
Surprised faces 0.04 0.25 -0.10 -0.05 -0.01
Afraid faces 0.38 0.49a 0.21 0.26 0.10
Sad faces 0.27 0.41 -0.01 0.18 0.20
Late LPP      
Happy faces 0.49a 0.43a 0.39 0.46a 0.11
Angry faces 0.49a 0.27 0.48a 0.31 0.28
Surprised faces 0.44a 0.54b 0.23 0.31 0.16
Afraid faces 0.42 0.43a 0.21 0.39 0.17
Sad faces 0.44a 0.38 0.31 0.34 0.22
  1. n = 22. aPearson correlation; P < 0.05. bP < 0.01. LPP, late positive potential.
  2. N170: T6 site; Early LPP: Pz site; Late LPP: Fz site.