Table 3.
Intensity change N100 to 250 and 4000 Hz showing detection rate, mean and standard deviation (SD) latency (ms) and amplitude (µV). Significance of t-tests and Fisher’s exact test comparing AN and controls are indicated by *.
250 Hz | 4000 Hz | ||||||
---|---|---|---|---|---|---|---|
N100 | N100 | ||||||
detection | ms | µV | detection | ms | µV | ||
8 dB | Controls | 10/12 | 132 (4) | −3.3 (0.3) | 12/12 | 114 (3) | −3.5 (0.4) |
AN | 2/7* | 151 (1) | −2.2(0.4) | 5/8* | 124 (6) | −2.1 (0.4) | |
6 dB | Controls | 10/12 | 141 (4) | −2.5 (0.3) | 12/12 | 124 (6) | −2.4 (0.5) |
AN | 2/7* | 178 (4)* | −1.9 (0.4) | 4/8* | 122 (13) | −1.3 (0.8) | |
4 dB | Controls | 9/12 | 147 (6) | −2.1 (0.3) | 12/12 | 127 (9) | −2.5 (0.3) |
AN | 1/7* | 176 | −1.5 | 4/8* | 143 (17) | −1.5 (1.3) |
p<0.05;
p<0.01;
p<0.001