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Logo of nihpaAbout Author manuscriptsSubmit a manuscriptHHS Public Access; Author Manuscript; Accepted for publication in peer reviewed journal;
J Neurophysiol. Author manuscript; available in PMC 2012 January 30.
Published in final edited form as:
J Neurophysiol. 2005 August; 94(2): 1655–1658.
Published online 2005 April 20. doi: 10.1152/jn.01226.2004

FIG. 3

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Influence of interaural level difference (ILD) on interaural time difference (ITD). Data from monaural stimulation (A and B) and binaural stimulation (C). A: at equal levels of the clicks presented to the left and right ears (5 dB attenuation: L5, R5), the difference between right and left group delays (Δτgr) and phase delays (Δτph) were near 0 µs. B: when the level on the left side was decreased by 10 dB (L15), group delay increased, while the phase delay stayed constant. C: in the binaural situation with broadband noise as the stimulus, the positions of the extrema of the ITD curve for an ILD of 0 dB (—) were almost identical to the extrema of the ITD curve measured with an ILD of 10 dB ((...)). Events were obtained from an arbitrary setting of a TTL level trigger. Because Δτgr had changed but the ITD curve did not change, the phase delay, but not the group delay is important for representing ITD. Scale bars in A and B: 2.5 mV.

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