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Table 3 Visual evoked potential latency and amplitude

From: Comparison of evoked potentials across four related developmental encephalopathies

 

TD

(n = 25)

RTT

(n = 43)

CDD

(n = 16)

MDS

(n = 15)

FOXG1

(n = 5)

N1 latency

64.0 (12.8)

58.4 (13.7)

46.5 (42.5)

68.1 (31.0)

68.0 (20.5)

P1 latency

93.4 (11.8)

87.5 (13.7)

90.6 (15.7)

97.4 (15.4)

103.1 (23.4)

N2 latency

142.3 (20.6)

132.4 (25.4)

137.3 (61.6)

144.1 (21.4)

146.2 (18.5)

N1 amplitude

-1.25 (1.8)

-.338 (.89)

-.588 (1.1)

-.809 (1.4)

-.412 (3.9)

N1-P1 amplitude

6.74 (5.9)

2.38 (2.2)

2.66 (2.4)

2.90 (3.7)

3.43 (6.1)

P1-N2 amplitude

10.1 (7.3)

3.60 (3.7)

4.19 (52)

4.15 (3.8)

4.4 (10.6)

Accepted trials

349 (77)

329 (106)

344 (65)

354 (51)

124 (169)

  1. Data are presented as median (interquartile range). Latency values are in milliseconds. Amplitude values are in microvolts