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Measures of extents of laterality for high-frequency “transposed” stimuli under conditions of binaural interference
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10.1121/1.1984827
/content/asa/journal/jasa/118/3/10.1121/1.1984827
http://aip.metastore.ingenta.com/content/asa/journal/jasa/118/3/10.1121/1.1984827

Figures

Image of FIG. 1.
FIG. 1.

Left-hand panels: Randomly chosen epochs of the four types of targets employed in the main experiment. Right-hand panels: The long-term power spectra of each of the four types of targets.

Image of FIG. 2.
FIG. 2.

IID of the pointer (in dB) required to match the intracranial position of the target as a function of the ongoing ITD (left ear leading) imposed on a -wide [panel (a)] or wide [panel (b)] band of Gaussian noise. The data points represent the mean values computed across the four listeners. The error bars represent standard error of the mean. Squares represent data obtained when the target was presented in isolation; triangles represent data obtained when the target was presented along with the low-frequency interferer. Solid lines represent the best linear-regression fits to the data with the intercept forced to be zero. Dashed lines represent quantitative predictions of the extents of laterality in the presence of the interferer. Predictions were derived from an extension of the Heller and Trahiotis (1996) model described in Sec. III C of the text.

Image of FIG. 3.
FIG. 3.

Similar to Fig. 2, but for the “” transposed stimuli.

Image of FIG. 4.
FIG. 4.

The same as Fig. 3, but for the “” transposed stimuli.

Tables

Generic image for table
TABLE I.

The average standard deviation (in dB) obtained for each ITD in the “no-interference” and “interference” conditions. Each entry in the table represents the mean of the 32 (eight listeners) measures of standard deviation computed across the six matches made by each listener for each experimental condition.

Generic image for table
TABLE II.

The second through fifth columns report the slopes and variance accounted for by the best-fitting lines to the data obtained in each experimental condition. The sixth column contains the ratios of the “without-interferer” to “with interferer” slopes. The two rightmost columns of the table show the results of the statistical analysis (Edwards, 1964) yielding the significance of the differences of the regression slopes obtained when the targets were presented in isolation versus when they were presented along with the interferer. Asterisks indicate significance using an alpha level of .

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/content/asa/journal/jasa/118/3/10.1121/1.1984827
2005-09-01
2014-04-16
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Measures of extents of laterality for high-frequency “transposed” stimuli under conditions of binaural interference
http://aip.metastore.ingenta.com/content/asa/journal/jasa/118/3/10.1121/1.1984827
10.1121/1.1984827
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