Table 4.
250 Hz latency (ms) | 4000 Hz latency (ms) | 250 Hz amplitude (µV) | 4000 Hz amplitude (µV) | |||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Δf | Δi | diff | Δf | Δi | diff | Δf | Δi | diff | Δf | Δi | diff | |||||
S1 | Pre-synaptic | 108 | 150 | 42 | 111 | 113 | 2 | −3.3 | −2.5 | 0.7 | −6.1* | −2.0 | 4.1 | |||
S2 | Pre-synaptic | 102 | 152 | 50 | 103 | 127 | 24 | −5.7 | −1.9 | 3.8 | −5.7* | −2.2 | 3.5 | |||
S3 | Pre-synaptic | 112 | NR | 110 | 124 | 14 | −4.2 | NR | −4.7 | −1.6 | 3.1 | |||||
S4 | Post-synaptic | NR | DNT | NR | NR | NR | DNT | NR | NR | |||||||
S5 | Post-synaptic | NR | NR | 145 | NR | NR | NR | −3.8 | NR | |||||||
S6 | Post-synaptic | 170 | NR | 111 | NR | −2.6 | NR | −2.2 | NR | |||||||
S7 | Post-synaptic | 147 | DNT | 118 | 129 | 11 | −1.5 | DNT | −2.0 | −2.8 | −0.7 | |||||
S8 | Undefined | NR | NR | 116 | 125 | 9 | NR | NR | −4.1 | −2.1 | 2.0 | |||||
S9 | Undefined | 170 | DNT | 107 | DNT | −0.5 | DNT | −2.0 | DNT | |||||||
S10 | Undefined | 139 | NR | NR | DNT | −2.1 | DNT | NR | DNT | |||||||
AN mean | 135(29) | 151(1) | 49 | 115(13) | 124(6) | 12 | −2.8(1.7) | −2.2(0.4) | 1.6 | −3.8(1.6) | −2.1(0.4) | 2.4 | ||||
Pre-synaptic mean | 107(5) | 151(1) | 108(4) | 121(7) | −4.4(1.2) | −2.2(0.4) | −5.5(0.7) | −1.9(0.3) | ||||||||
Post-synaptic mean | 159(16) | -- | 125(18) | -- | −2.1(0.8) | -- | −2.7(1.0) | -- | ||||||||
Undefined mean | 155(22) | -- | 112(6) | 125 | −1.3(1.1) | -- | −3.1(1.5) | −2.1 | ||||||||
Control mean | 105(8) | 132(4) | 27 | 101(8) | 114(3) | 13 | −4.4(1.6) | −3.3(0.3) | 1.1 | −3.2(1.3) | −3.5(0.4) | −0.2 |
NR=no response; DNT = did not test; italic=values below the 95% control range (i.e., smaller N100 amplitude or later N100 latency);
=above the 95% control range (i.e., larger N100 amplitude)