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. 2014 Jun 30;33(1):18. doi: 10.1186/1880-6805-33-18

Table 2.

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

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

n = 22. aPearson correlation; P < 0.05. bP < 0.01. LPP, late positive potential.

N170: T6 site; Early LPP: Pz site; Late LPP: Fz site.