audiometric characteristics of children and adults
DESCRIPTION
Audiometric Characteristics of Children and Adults. Andrea Pittman, Ph.D. Patricia Stelmachowicz, Ph.D. Boys Town National Research Hospital. Funded by a grant from NIH. Possible Adult-Child Differences. Audiometric Configurations Right-Left Ear Asymmetry of Hearing Loss - PowerPoint PPT PresentationTRANSCRIPT
![Page 1: Audiometric Characteristics of Children and Adults](https://reader035.vdocuments.mx/reader035/viewer/2022081514/56815e2b550346895dcc84f4/html5/thumbnails/1.jpg)
Audiometric Characteristics of Children and Adults
Andrea Pittman, Ph.D.Patricia Stelmachowicz, Ph.D.
Boys Town National Research Hospital
Funded by a grant from NIH
![Page 2: Audiometric Characteristics of Children and Adults](https://reader035.vdocuments.mx/reader035/viewer/2022081514/56815e2b550346895dcc84f4/html5/thumbnails/2.jpg)
Possible Adult-Child Differences
Audiometric Configurations Right-Left Ear Asymmetry of Hearing Loss Progression of Hearing Loss
![Page 3: Audiometric Characteristics of Children and Adults](https://reader035.vdocuments.mx/reader035/viewer/2022081514/56815e2b550346895dcc84f4/html5/thumbnails/3.jpg)
Methods Groups 248 audiograms from 60- and 61-year-old
adults 227 audiograms from 6-year-old children
Criteria Right ear thresholds at octave test frequencies
250-8 kHz At least one threshold > 30 dB Confirmed right ear sensorinueral hearing loss
by bone conduction audiometry Air-bone gaps < 10 dB.
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Audiogram Classification Sloping Rising Flat U-Shaped Noise Notched Tent-Shaped Other
0
20
40
60
80
100
250 500 1000 2000 4000 8000Frequency (Hz)
Hear
ing
Leve
l (dB
HL)
![Page 5: Audiometric Characteristics of Children and Adults](https://reader035.vdocuments.mx/reader035/viewer/2022081514/56815e2b550346895dcc84f4/html5/thumbnails/5.jpg)
Audiogram Classification Sloping Rising Flat U-Shaped Noise Notched Tent-Shaped Other
0
20
40
60
80
100
250 500 1000 2000 4000 8000Frequency (Hz)
Hear
ing
Leve
l (dB
HL)
![Page 6: Audiometric Characteristics of Children and Adults](https://reader035.vdocuments.mx/reader035/viewer/2022081514/56815e2b550346895dcc84f4/html5/thumbnails/6.jpg)
Audiogram Classification Sloping Rising Flat U-Shaped Noise Notched Tent-Shaped Other
0
20
40
60
80
100
250 500 1000 2000 4000 8000Frequency (Hz)
Hear
ing
Leve
l (dB
HL)
![Page 7: Audiometric Characteristics of Children and Adults](https://reader035.vdocuments.mx/reader035/viewer/2022081514/56815e2b550346895dcc84f4/html5/thumbnails/7.jpg)
Audiogram Classification Sloping Rising Flat U-Shaped Noise Notched Tent-Shaped Other
0
20
40
60
80
100
250 500 1000 2000 4000 8000Frequency (Hz)
Hear
ing
Leve
l (dB
HL)
![Page 8: Audiometric Characteristics of Children and Adults](https://reader035.vdocuments.mx/reader035/viewer/2022081514/56815e2b550346895dcc84f4/html5/thumbnails/8.jpg)
Audiogram Classification Sloping Rising Flat U-Shaped Noise Notched Tent-Shaped Other
0
20
40
60
80
100
250 500 1000 2000 4000 8000Frequency (Hz)
Hear
ing
Leve
l (dB
HL)
![Page 9: Audiometric Characteristics of Children and Adults](https://reader035.vdocuments.mx/reader035/viewer/2022081514/56815e2b550346895dcc84f4/html5/thumbnails/9.jpg)
Audiogram Classification Sloping Rising Flat U-Shaped Noise Notched Tent-Shaped Other
0
20
40
60
80
100
250 500 1000 2000 4000 8000Frequency (Hz)
Hear
ing
Leve
l (dB
HL)
![Page 10: Audiometric Characteristics of Children and Adults](https://reader035.vdocuments.mx/reader035/viewer/2022081514/56815e2b550346895dcc84f4/html5/thumbnails/10.jpg)
Audiogram Classification Sloping Rising Flat U-Shaped Noise Notched Tent-Shaped Other
0
20
40
60
80
100
250 500 1000 2000 4000 8000Frequency (Hz)
Hear
ing
Leve
l (dB
HL)
![Page 11: Audiometric Characteristics of Children and Adults](https://reader035.vdocuments.mx/reader035/viewer/2022081514/56815e2b550346895dcc84f4/html5/thumbnails/11.jpg)
Audiogram Classification Sloping Rising Flat U-Shaped Noise Notched Tent-Shaped Other
0
20
40
60
80
100
250 500 1000 2000 4000 8000Frequency (Hz)
Hear
ing
Leve
l (dB
HL)
![Page 12: Audiometric Characteristics of Children and Adults](https://reader035.vdocuments.mx/reader035/viewer/2022081514/56815e2b550346895dcc84f4/html5/thumbnails/12.jpg)
Results: Configurations
0
10
20
30
40
50
60
% O
F AU
DIOG
RAM
S
AdultsChildren
![Page 13: Audiometric Characteristics of Children and Adults](https://reader035.vdocuments.mx/reader035/viewer/2022081514/56815e2b550346895dcc84f4/html5/thumbnails/13.jpg)
Results: Average Audiograms
-20
0
20
40
60
80
100
120
250 500 1000 2000 4000 8000Frequency (Hz)
-20
0
20
40
60
80
100
120
250 500 1000 2000 4000 8000Frequency (Hz)
Hear
ing
Leve
l (dB
HL)
Adults Children
![Page 14: Audiometric Characteristics of Children and Adults](https://reader035.vdocuments.mx/reader035/viewer/2022081514/56815e2b550346895dcc84f4/html5/thumbnails/14.jpg)
Results: Sloping
-20
0
20
40
60
80
100
120
250 500 1000 2000 4000 8000Frequency (Hz)
-20
0
20
40
60
80
100
120
250 500 1000 2000 4000 8000Frequency (Hz)
Hear
ing
Leve
l (dB
HL)
Adults Children
![Page 15: Audiometric Characteristics of Children and Adults](https://reader035.vdocuments.mx/reader035/viewer/2022081514/56815e2b550346895dcc84f4/html5/thumbnails/15.jpg)
Results: Sloping
-20
0
20
40
60
80
100
120
250 500 1000 2000 4000 8000Frequency (Hz)
-20
0
20
40
60
80
100
120
250 500 1000 2000 4000 8000Frequency (Hz)
Hear
ing
Leve
l (dB
HL)
Adults Children
![Page 16: Audiometric Characteristics of Children and Adults](https://reader035.vdocuments.mx/reader035/viewer/2022081514/56815e2b550346895dcc84f4/html5/thumbnails/16.jpg)
Results: Sloping
-20
0
20
40
60
80
100
120
250 500 1000 2000 4000 8000Frequency (Hz)
-20
0
20
40
60
80
100
120
250 500 1000 2000 4000 8000Frequency (Hz)
Hear
ing
Leve
l (dB
HL)
Adults Children
![Page 17: Audiometric Characteristics of Children and Adults](https://reader035.vdocuments.mx/reader035/viewer/2022081514/56815e2b550346895dcc84f4/html5/thumbnails/17.jpg)
Results: Flat
-20
0
20
40
60
80
100
120
250 500 1000 2000 4000 8000Frequency (Hz)
-20
0
20
40
60
80
100
120
250 500 1000 2000 4000 8000Frequency (Hz)
Hear
ing
Leve
l (dB
HL)
Adults Children
![Page 18: Audiometric Characteristics of Children and Adults](https://reader035.vdocuments.mx/reader035/viewer/2022081514/56815e2b550346895dcc84f4/html5/thumbnails/18.jpg)
Results: U-Shaped
-20
0
20
40
60
80
100
120
250 500 1000 2000 4000 8000Frequency (Hz)
-20
0
20
40
60
80
100
120
250 500 1000 2000 4000 8000Frequency (Hz)
Hear
ing
Leve
l (dB
HL)
Adults Children
![Page 19: Audiometric Characteristics of Children and Adults](https://reader035.vdocuments.mx/reader035/viewer/2022081514/56815e2b550346895dcc84f4/html5/thumbnails/19.jpg)
Results: U-Shaped
-20
0
20
40
60
80
100
120
250 500 1000 2000 4000 8000Frequency (Hz)
-20
0
20
40
60
80
100
120
250 500 1000 2000 4000 8000Frequency (Hz)
Hear
ing
Leve
l (dB
HL)
Adults Children
![Page 20: Audiometric Characteristics of Children and Adults](https://reader035.vdocuments.mx/reader035/viewer/2022081514/56815e2b550346895dcc84f4/html5/thumbnails/20.jpg)
Results: Tent-Shaped
-20
0
20
40
60
80
100
120
250 500 1000 2000 4000 8000Frequency (Hz)
-20
0
20
40
60
80
100
120
250 500 1000 2000 4000 8000Frequency (Hz)
Hear
ing
Leve
l (dB
HL)
Adults Children
![Page 21: Audiometric Characteristics of Children and Adults](https://reader035.vdocuments.mx/reader035/viewer/2022081514/56815e2b550346895dcc84f4/html5/thumbnails/21.jpg)
Results: Tent-Shaped
-20
0
20
40
60
80
100
120
250 500 1000 2000 4000 8000Frequency (Hz)
-20
0
20
40
60
80
100
120
250 500 1000 2000 4000 8000Frequency (Hz)
Hear
ing
Leve
l (dB
HL)
Adults Children
![Page 22: Audiometric Characteristics of Children and Adults](https://reader035.vdocuments.mx/reader035/viewer/2022081514/56815e2b550346895dcc84f4/html5/thumbnails/22.jpg)
Results: Other
-20
0
20
40
60
80
100
120
250 500 1000 2000 4000 8000Frequency (Hz)
-20
0
20
40
60
80
100
120
250 500 1000 2000 4000 8000Frequency (Hz)
Hear
ing
Leve
l (dB
HL)
Adults Children
![Page 23: Audiometric Characteristics of Children and Adults](https://reader035.vdocuments.mx/reader035/viewer/2022081514/56815e2b550346895dcc84f4/html5/thumbnails/23.jpg)
Results: Other
-20
0
20
40
60
80
100
120
250 500 1000 2000 4000 8000Frequency (Hz)
-20
0
20
40
60
80
100
120
250 500 1000 2000 4000 8000Frequency (Hz)
Hear
ing
Leve
l (dB
HL)
Adults Children
![Page 24: Audiometric Characteristics of Children and Adults](https://reader035.vdocuments.mx/reader035/viewer/2022081514/56815e2b550346895dcc84f4/html5/thumbnails/24.jpg)
Results: Other
-20
0
20
40
60
80
100
120
250 500 1000 2000 4000 8000Frequency (Hz)
-20
0
20
40
60
80
100
120
250 500 1000 2000 4000 8000Frequency (Hz)
Hear
ing
Leve
l (dB
HL)
Adults Children
![Page 25: Audiometric Characteristics of Children and Adults](https://reader035.vdocuments.mx/reader035/viewer/2022081514/56815e2b550346895dcc84f4/html5/thumbnails/25.jpg)
Results: Other
-20
0
20
40
60
80
100
120
250 500 1000 2000 4000 8000Frequency (Hz)
-20
0
20
40
60
80
100
120
250 500 1000 2000 4000 8000Frequency (Hz)
Hear
ing
Leve
l (dB
HL)
Adults Children
![Page 26: Audiometric Characteristics of Children and Adults](https://reader035.vdocuments.mx/reader035/viewer/2022081514/56815e2b550346895dcc84f4/html5/thumbnails/26.jpg)
Results: Other
-20
0
20
40
60
80
100
120
250 500 1000 2000 4000 8000Frequency (Hz)
-20
0
20
40
60
80
100
120
250 500 1000 2000 4000 8000Frequency (Hz)
Hear
ing
Leve
l (dB
HL)
Adults Children
![Page 27: Audiometric Characteristics of Children and Adults](https://reader035.vdocuments.mx/reader035/viewer/2022081514/56815e2b550346895dcc84f4/html5/thumbnails/27.jpg)
Asymmetry Left Ear Thresholds 248 60- and 61-year-old adults 227 6-year-old children
![Page 28: Audiometric Characteristics of Children and Adults](https://reader035.vdocuments.mx/reader035/viewer/2022081514/56815e2b550346895dcc84f4/html5/thumbnails/28.jpg)
Results: Asymmetry
0
10
20
30
40
250 500 1000 2000 4000 8000FREQUENCY (Hz)
% O
F AU
DIOG
RAM
S
AdultsChildren
![Page 29: Audiometric Characteristics of Children and Adults](https://reader035.vdocuments.mx/reader035/viewer/2022081514/56815e2b550346895dcc84f4/html5/thumbnails/29.jpg)
0
20
40
60
80
100
120
0 20 40 60 80 100 120Right Ear (dB HL)
0
20
40
60
80
100
120
0 20 40 60 80 100 120Right Ear (dB HL)
Left
Ear (
dB H
L)
Results: Asymmetry @ 250 Hz
Adults Children
![Page 30: Audiometric Characteristics of Children and Adults](https://reader035.vdocuments.mx/reader035/viewer/2022081514/56815e2b550346895dcc84f4/html5/thumbnails/30.jpg)
0
20
40
60
80
100
120
0 20 40 60 80 100 120Right Ear (dB HL)
0
20
40
60
80
100
120
0 20 40 60 80 100 120Right Ear (dB HL)
Left
Ear (
dB H
L)
Results: Asymmetry @ 500 Hz
Adults Children
![Page 31: Audiometric Characteristics of Children and Adults](https://reader035.vdocuments.mx/reader035/viewer/2022081514/56815e2b550346895dcc84f4/html5/thumbnails/31.jpg)
0
20
40
60
80
100
120
0 20 40 60 80 100 120Right Ear (dB HL)
0
20
40
60
80
100
120
0 20 40 60 80 100 120Right Ear (dB HL)
Left
Ear (
dB H
L)
Results: Asymmetry @ 1k Hz
Adults Children
![Page 32: Audiometric Characteristics of Children and Adults](https://reader035.vdocuments.mx/reader035/viewer/2022081514/56815e2b550346895dcc84f4/html5/thumbnails/32.jpg)
0
20
40
60
80
100
120
0 20 40 60 80 100 120Right Ear (dB HL)
0
20
40
60
80
100
120
0 20 40 60 80 100 120Right Ear (dB HL)
Left
Ear (
dB H
L)
Results: Asymmetry @ 2k Hz
Adults Children
![Page 33: Audiometric Characteristics of Children and Adults](https://reader035.vdocuments.mx/reader035/viewer/2022081514/56815e2b550346895dcc84f4/html5/thumbnails/33.jpg)
0
20
40
60
80
100
120
0 20 40 60 80 100 120Right Ear (dB HL)
0
20
40
60
80
100
120
0 20 40 60 80 100 120Right Ear (dB HL)
Left
Ear (
dB H
L)
Results: Asymmetry @ 4k Hz
Adults Children
![Page 34: Audiometric Characteristics of Children and Adults](https://reader035.vdocuments.mx/reader035/viewer/2022081514/56815e2b550346895dcc84f4/html5/thumbnails/34.jpg)
0
20
40
60
80
100
120
0 20 40 60 80 100 120Right Ear (dB HL)
0
20
40
60
80
100
120
0 20 40 60 80 100 120Right Ear (dB HL)
Left
Ear (
dB H
L)
Results: Asymmetry @ 8k Hz
Adults Children