Benefits of high-frequency amplification in children and adults
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1 Benefits of high-frequency amplification in children and adults Andrea Pittman, PhD CCC-A Arizona State University OSSEO 5 5 Andrea Pittman All Rights Reserved
2 Statement of Support This work was supported by grants from the Hearing Industry Research Consortium Arizona Community Foundation Oticon Medical And by the generous help of Colleagues: Research Assistants (The Pitt Crew): Joshua Alexander, Purdue University Elizabeth Stewart Ali Laubscher Visar Berisha, Arizona State University Amanda Willman Meaghan Katz Susan Scollie, Western University Ashley Wright Peter Derleth, Oticon Ian Odgear 5 Andrea Pittman All Rights Reserved
3 Crossroad 5 Andrea Pittman All Rights Reserved
4 HEARING LEVEL (db) Participants 9 children with normal hearing 8 children with hearing loss 8 to years of age Mainstreamed at grade level Native speakers of English - FREQUENCY (Hz) NHC HIC 5 Andrea Pittman All Rights Reserved
5 HEARING LEVEL (db) Participants 5 adults with normal hearing adults with hearing loss 5 to 78 years of age Hearing aid users or candidates - FREQUENCY (Hz) NHA HIA 5 Andrea Pittman All Rights Reserved
6 Methodology Testing 5 db SPL in quiet o azimuth Data collection Computer interface Digital audio recordings Two visits Unaided session Aided session 5 Andrea Pittman All Rights Reserved
7 Level (db SPL) Amplification FF Thresholds khz 4 khz 8 4 Frequency (Hz) 5 Andrea Pittman All Rights Reserved
8 Performance (% Correct) Speed (log(/n) Performance (% Correct) Speed (log(/n) 8 Children Aided-WB Aided-NB Unaided 8 Adults Andrea Pittman All Rights Reserved
9 Auditory 5 Andrea Pittman All Rights Reserved
10 Performance (% Correct) Speed (log(/n) Performance (% Correct) Speed (log(/n) Auditory 8 Children Aided-WB Aided-NB Unaided 8 Adults Andrea Pittman All Rights Reserved
11 Rapid 5 Andrea Pittman All Rights Reserved
12 PERFORMANCE (%) Rapid P c =.8e n/c TRIAL BINS 5 Andrea Pittman All Rights Reserved
13 Performance (% Correct) Speed (log /n) Performance (% Correct) Speed (log /n) Rapid 8 Children Aided-WB Aided-NB Unaided 8 Adults Andrea Pittman All Rights Reserved
14 Performance (% Correct) Speed (log /n) Performance (% Correct) Speed (log /n) Summary 8 Children Aided-WB Aided-NB Unaided 8 Adults Andrea Pittman All Rights Reserved
15 Performance (% Correct) Speed (log /n) Performance (% Correct) Speed (log /n) Summary. The benefit of amplification decreased as the difficulty of the task increased 8 Children Aided-WB Aided-NB Unaided 8 Adults Andrea Pittman All Rights Reserved
16 Performance (% Correct) Speed (log /n) Performance (% Correct) Speed (log /n) Summary. The benefit of bandwidth increased as the difficulty of the task increased 8 Children Aided-WB Aided-NB Unaided 8 Adults Andrea Pittman All Rights Reserved
17 Performance (% Correct) Speed (log /n) Performance (% Correct) Speed (log /n) Summary. Potential for benefit can go undetected if judged by word recognition alone 8 Children Aided-WB Aided-NB Unaided 8 Adults Andrea Pittman All Rights Reserved
18 5 Andrea Pittman All Rights Reserved
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