Table 1 Amplitude and latency values of the three selected peaks for participants with WS and typical development
From: Electrophysiological study of local/global processing in Williams syndrome
Occipital P1 | Condition | WS group | TD group | ||
|---|---|---|---|---|---|
M | SD | M | SD | ||
Amplitude (μV) | Global | 0.97 | 2.54 | 0.15 | 1.77 |
Local | 1.82 | 3.24 | 0.74 | 1.96 | |
Standard | 2.37 | 2.63 | 1.07 | 1.31 | |
Latency (ms) | Global | 111.52 | 20.71 | 104.16 | 17.98 |
Local | 120.73 | 19.58 | 106.37 | 16.53 | |
Standard | 120.93 | 17.78 | 107.99 | 13.72 | |
Occipital N150 | |||||
 Amplitude (μV) | Global | −5.03 | 3.54 | −5.95 | 3.28 |
Local | −4.50 | 3.88 | −6.16 | 3.02 | |
Standard | −3.84 | 3.34 | −4.79 | 3.10 | |
 Latency (ms) | Global | 184.88 | 17.05 | 175.96 | 13.64 |
Local | 184.25 | 21.13 | 182.19 | 18.32 | |
Standard | 183.23 | 19.12 | 173.02 | 12.76 | |
Centro-parietal P3b | |||||
 Amplitude (μV) | Global | 4.87 | 2.56 | 4.66 | 3.19 |
Local | 4.74 | 2.20 | 4.77 | 3.85 | |
Standard | 4.21 | 1.63 | 3.44 | 2.77 | |
 Latency (ms) | Global | 413.91 | 60.99 | 429.30 | 62.95 |
Local | 426.43 | 68.36 | 450.78 | 48.80 | |
Standard | 416.15 | 59.29 | 421.21 | 53.68 | |
Frontal P3a | |||||
 Amplitude (μV) | Global | 7.22 | 4.43 | 6.56 | 2.47 |
Local | 5.41 | 3.79 | 6.08 | 2.81 | |
Standard | 5.19 | 3.15 | 4.81 | 2.21 | |
 Latency (ms) | Global | 298.17 | 55.59 | 247.07 | 42.38 |
Local | 310.91 | 51.19 | 255.07 | 50.92 | |
Standard | 324.09 | 48.45 | 258.44 | 56.48 | |