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Spectral integration and wideband analysis in gap detection and overshoot paradigms
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10.1121/1.2799473
/content/asa/journal/jasa/122/6/10.1121/1.2799473
http://aip.metastore.ingenta.com/content/asa/journal/jasa/122/6/10.1121/1.2799473

Figures

Image of FIG. 1.
FIG. 1.

Mean gap detection thresholds (ms) are plotted as a function of signal condition, with error bars indicating 1 s.d. computed in log units. The data from the conditions where the stimulus was a single band of noise are depicted by the circles. The data from the conditions where four noise bands were present but only one band received the gap are depicted by the triangles for the comodulated noise and by the squares for the random noise. The data from the condition where all four noise bands received a gap are depicted by the diamonds.

Image of FIG. 2.
FIG. 2.

(Color online) Mean detection thresholds (dB SPL) are plotted as a function of signal condition, with four single-frequency conditions and one multiple-frequency condition. Error bars indicate 1 s.d. around the mean. Each panel shows results for one observer. Symbols indicate the signal delay condition, short-delay (inverted triangle) and long-delay (triangle). The dotted line at the right of each panel is the maximum threshold obtained in the single-frequency short-delay conditions for that observer, which served as the reference level against which the multiple-frequency result is plotted. The solid line shows the analogous maximum long-delay threshold.

Tables

Generic image for table
TABLE I.

Slopes of the psychometric functions for conditions where a single gap marker was presented and the obtained and modeled gap detection thresholds (ms) when all four marker bands received a gap. Means are arithmetic for slope and geometric for gap.

Generic image for table
TABLE II.

Slopes of the psychometric functions for conditions where one of four signal frequencies was present and the obtained and modeled spectral integration. Obtained spectral integration (dB) represents the improvement obtained in the condition where all four signals were presented in relation to the condition associated with the poorest threshold when only one signal was presented. Modeled spectral integration (dB) represents improvement in detection threshold estimated from the combination of from each of the single-signal conditions. Data are for the long-delay conditions.

Generic image for table
TABLE III.

Same information as in Table III, except that the data are for the short-delay conditions.

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/content/asa/journal/jasa/122/6/10.1121/1.2799473
2007-12-01
2014-04-24
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Spectral integration and wideband analysis in gap detection and overshoot paradigms
http://aip.metastore.ingenta.com/content/asa/journal/jasa/122/6/10.1121/1.2799473
10.1121/1.2799473
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