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Pitch contour identification with combined place and temporal cues using cochlear implants
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10.1121/1.3672708
/content/asa/journal/jasa/131/2/10.1121/1.3672708
http://aip.metastore.ingenta.com/content/asa/journal/jasa/131/2/10.1121/1.3672708

Figures

Image of FIG. 1.
FIG. 1.

Percentage of rising responses on the apical and the medial electrode pairs (left and right panels, respectively) as a function of Δα. The results from individual subjects are shown in different panels. The open circles, black squares, and gray diamonds show the data with place cues alone, falling temporal cues, and rising temporal cues, respectively. Their best-fit sigmoid functions are shown by the solid, dashed, and dashed-dotted curves, respectively. The Δα values indicated by the arrows corresponded to 76% correct PCI with place cues alone and were added to the temporal-pitch contour stimuli with different amounts of AM frequency change.

Image of FIG. 2.
FIG. 2.

Percentage of rising responses on the apical and the medial electrode pairs (left and right panels, respectively) as a function of ΔF. The results from individual subjects are shown in different panels. The open circles, black squares, and gray diamonds show the data with temporal cues alone, falling place cues, and rising place cues, respectively. Their best-fit sigmoid functions are shown by the solid, dashed, and dashed-dotted curves, respectively. The ΔF values indicated by the arrows corresponded to 76% correct PCI with temporal cues alone and were added to the place-pitch contour stimuli with different amounts of current steering.

Image of FIG. 3.
FIG. 3.

Parameter b of place-pitch psychometric function as a function of that of temporal-pitch psychometric function. The filled circles show the data on the apical electrode pair, while the open circles show the data on the medial electrode pair. Individual subjects are identified by the codes to the right of the circles. The solid line shows the linear regression between parameter b of the two psychometric functions.

Image of FIG. 4.
FIG. 4.

Percentage of rising responses on the apical and the medial electrode pairs (left and right panels, respectively) as a function of Δα. The results from individual subjects are shown in different panels. The open circles, black upward triangles, and gray downward triangles show the data with place cues alone, consistent temporal cues, and inconsistent temporal cues, respectively. The solid curves show the best-fit sigmoid functions for the data with place cues alone.

Image of FIG. 5.
FIG. 5.

Percentage of rising responses on the apical and the medial electrode pairs (left and right panels, respectively) as a function of ΔF. The results from individual subjects are shown in different panels. The open circles, black upward triangles, and gray downward triangles show the data with temporal cues alone, consistent place cues, and inconsistent place cues, respectively. The solid curves show the best-fit sigmoid functions for the data with temporal cues alone.

Tables

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TABLE I.

Subject demographic details.

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TABLE II.

Starting and ending α for each place-pitch contour.

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TABLE III.

Starting and ending AM frequencies (in Hz) for each temporal-pitch contour.

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TABLE IV.

Parameters of the best-fit sigmoid functions shown in Fig. 1.

Generic image for table
TABLE V.

Parameters of the best-fit sigmoid functions shown in Fig. 2.

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/content/asa/journal/jasa/131/2/10.1121/1.3672708
2012-02-14
2014-04-19
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Pitch contour identification with combined place and temporal cues using cochlear implants
http://aip.metastore.ingenta.com/content/asa/journal/jasa/131/2/10.1121/1.3672708
10.1121/1.3672708
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