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Table 1. 
Means and Standard Deviations (in parentheses) for Behavioral and ERP Data in the Four Different Dot–Symbol Conditions on Different Response Trials (Rows with Dots 1–4 and Dots 6–9) and Behavioral Data on Same Response Trials in Learning Sessions 1 and 3
   Symbols 1–4Symbols 6–9
Accuracy, % Session 1 Dots 1–4 54.96 (17.98) 59.13 (15.57) 
Dots 6–9 58.99 (16.45) 55.06 (14.82) 
Same trials 63.58 (18.37) 38.43 (14.35) 
Session 3 Dots 1–4 82.97 (11.89) 93.58 (10.34) 
Dots 6–9 83.14 (14.25) 65.99 (14.83) 
Same trials 89.49 (13.45) 61.77 (20.33) 
RTs, msec Session 1 Dots 1–4 683.19 (100.31) 698.26 (103.27) 
Dots 6–9 706.51 (108.73) 729.50 (91.20) 
Same trials 666.82 (115.98) 706.18 (108.33) 
Session 3 Dots 1–4 618.53 (77.62) 590.99 (87.47) 
Dots 6–9 635.13 (92.58) 627.55 (78.88) 
Same trials 553.31 (73.59) 630.34 (90.83) 
N1 (130–185 msec) Session 1 Dots 1–4 −4.33 (3.44) −2.90 (2.77) 
Dots 6–9 −3.66 (2.03) −2.52 (2.62) 
Session 3 Dots 1–4 −5.42 (2.82) −4.09 (2.28) 
Dots 6–9 −3.31 (2.82) −2.54 (2.88) 
P2p (210–250 msec) Session 1 Dots 1–4 2.75 (3.16) 3.37 (2.88) 
Dots 6–9 3.67 (2.26) 3.41 (2.25) 
Session 3 Dots 1–4 1.87 (2.52) 2.73 (2.20) 
Dots 6–9 2.66 (2.93) 3.70 (2.67) 
P2p (210–250 msec)a Session 1 Dots 1–4 3.45 (2.72) 3.36 (2.68) 
Dots 6–9 3.93 (2.22) 3.13 (2.44) 
Session 3 Dots 1–4 3.11 (2.37) 3.41 (2.55) 
Dots 6–9 2.72 (2.72) 3.28 (2.84) 
   Symbols 1–4Symbols 6–9
Accuracy, % Session 1 Dots 1–4 54.96 (17.98) 59.13 (15.57) 
Dots 6–9 58.99 (16.45) 55.06 (14.82) 
Same trials 63.58 (18.37) 38.43 (14.35) 
Session 3 Dots 1–4 82.97 (11.89) 93.58 (10.34) 
Dots 6–9 83.14 (14.25) 65.99 (14.83) 
Same trials 89.49 (13.45) 61.77 (20.33) 
RTs, msec Session 1 Dots 1–4 683.19 (100.31) 698.26 (103.27) 
Dots 6–9 706.51 (108.73) 729.50 (91.20) 
Same trials 666.82 (115.98) 706.18 (108.33) 
Session 3 Dots 1–4 618.53 (77.62) 590.99 (87.47) 
Dots 6–9 635.13 (92.58) 627.55 (78.88) 
Same trials 553.31 (73.59) 630.34 (90.83) 
N1 (130–185 msec) Session 1 Dots 1–4 −4.33 (3.44) −2.90 (2.77) 
Dots 6–9 −3.66 (2.03) −2.52 (2.62) 
Session 3 Dots 1–4 −5.42 (2.82) −4.09 (2.28) 
Dots 6–9 −3.31 (2.82) −2.54 (2.88) 
P2p (210–250 msec) Session 1 Dots 1–4 2.75 (3.16) 3.37 (2.88) 
Dots 6–9 3.67 (2.26) 3.41 (2.25) 
Session 3 Dots 1–4 1.87 (2.52) 2.73 (2.20) 
Dots 6–9 2.66 (2.93) 3.70 (2.67) 
P2p (210–250 msec)a Session 1 Dots 1–4 3.45 (2.72) 3.36 (2.68) 
Dots 6–9 3.93 (2.22) 3.13 (2.44) 
Session 3 Dots 1–4 3.11 (2.37) 3.41 (2.55) 
Dots 6–9 2.72 (2.72) 3.28 (2.84) 

Values shown are estimated marginal means.

a

P2p analysis results with N1 amplitude entered as covariate (estimated values for N1 = −3.5066 mV).

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