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. Author manuscript; available in PMC: 2017 Nov 1.
Published in final edited form as: Hear Res. 2016 Aug 1;341:31–42. doi: 10.1016/j.heares.2016.07.011

Figure 1.

Figure 1

Effect of an acute 10 kHz tone exposure on multiunit surface activity in the middle frequency region of the DCN. (a) Transverse view of the DCN showing the location of the recording electrode in the m.f. (mid-frequency: 8–12 kHz) region of the DCN. l.f., low frequency. h.f., high frequency. (b) Spontaneous activity recorded from the 9 kHz locus during an extended period of silence. Dashed line indicates baseline activity. (c–d) Tuning curves and spontaneous activity recorded from the 9 kHz locus of a single animal before and after a 2 minute exposure to a 10 kHz (109 db SPL) tone. (e) Mean spontaneous activity of 5 animals recorded in region m.f. before and after a two minute exposure to a 10 kHz tone at 109 dB SPL. (f) Averaged mean threshold shifts at BF in the five animals that were included in (e).