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Figure 8. Pre- and post-exposure discharge rate-level function at 556 Hz from the same neuron shown in Figure 7. Before the exposure, the neuron did not respond until the stimulus level exceeded 75 dB SPL, but after the traumatising exposure, the spike rate began to increase to intensities as low as 50 dB. Maximum post-exposure discharge rate was approximately 5 times greater than the pre-exposure rate (from Salvi et al, 1996 with permission).

Figure 8. Pre- and post-exposure discharge rate-level function at 556 Hz from the same neuron shown
in Figure 7. Before the exposure, the neuron did not respond until the stimulus level exceeded 75 dB
SPL, but after the traumatising exposure, the spike rate began to increase to intensities as low as 50 dB.
Maximum post-exposure discharge rate was approximately 5 times greater than the pre-exposure rate
(from Salvi et al, 1996 with permission).