Table 4.

N100 amplitude and latency to 50% frequency change (Δf) and 8 dB intensity change (Δi) for AN individuals and their subtypes.

		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)