Table 1.

Recording depth, best frequency (BF), minimum threshold (MT), and response latency (Lat) of 110 inferior collicular neurons with different discharge patterns

Discharge pattern	No.	Depth (μm)	BF (kHz)	MT (dB SPL)	Lat (ms)
Phasic responder	74	1240 ± 442	39.0 ± 15.5	34.0 ± 14.3	11.7 ± 3.2
		332–2052	16.2–86.4	1–68	6.0–19.0
		66% > 1000	39% > 40	32% > 40	30% < 10
Phasic burster	19	1055 ± 429	33.2 ± 10.9	31.5 ± 14.4	13.4 ± 3.2
		281–1693	19.7–61.0	5–55	9.0–19.0
		58% > 1000	21% > 40	26% > 40	16% < 10
Tonic responder	17	1397 ± 424	46.5 ± 14.1	38.6 ± 14.6	11.7 ± 3.4
		441–1932	17.9–66.5	13–66	6.5–18.0
		82% > 1000	76% > 40	47% > 40	29% < 10