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. 2008 Jun 6;9(3):373–387. doi: 10.1007/s10162-008-0129-8

FIG. 1.

FIG. 1.

Responses of a chopper to tones in noise. A, B, C, and D are replotted from Gai and Carney (2006, their Fig. 2). A PSTHs for a 30-dB SPL spectrum level noise (top) and the same noise plus a 65-dB SPL tone. Bin width = 2 ms. B Masked rate-level function. C Synchronization coefficient to the tone. D Temporal reliability measured with five temporal analysis windows. E CI measured with the two smallest temporal analysis windows (see legend in D). F Mutual information based on spike-time distances of tone-in-noise responses with varying q. Thick line mutual information based on all spike times. Thin line mutual information based on a fixed number of spikes (see text). All filled squares indicate significant increases, and all open squares indicate significant decreases (p < 0.05 or d′ ≥ 1). The x on the abscissa indicates responses to noise alone. G309u9: CF = 482 Hz, SR = 0 sp/s. Pure-tone rate threshold in quiet = 22 dB SPL. Fifty trials per stimulus condition. Error bars are standard deviations.