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1
Oscillatory decoupling differentiates auditory encoding deficits in children with listening problems
Gilley, Phillip M; Sharma, Mridula; Purdy, Suzanne C. - : Elsevier Ireland, 2016
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2
The Effect of short-term auditory training on speech in noise perception and cortical auditory evoked potentials in adults with cochlear implants
Barlow, Nathan; Purdy, Suzanne C; Sharma, Mridula. - : Thieme Medical Publishers, 2016
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3
Effect of interstimulus interval and age on cortical auditory evoked potentials in 10-22-week-old infants
Sharma, Mridula; Johnson, Patrice K. H; Purdy, Suzanne C. - : Lippincott Williams & Wilkins, 2014
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4
Effects of broadband noise on cortical evoked auditory responses at different loudness levels in young adults
Sharma, Mridula; Purdy, Suzanne C; Munro, Kevin J. - : Lippincott Williams and Wilkins, 2014
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5
The Contribution of speech-evoked cortical auditory evoked potentials to the diagnosis and measurement of intervention outcomes in children with auditory processing disorder
Sharma, Mridula; Purdy, Suzanne C; Kelly, Andrea S. - : Thieme Medical Publishers, 2014
Abstract: Cortical auditory evoked potentials (CAEPs) are included in guidelines for assessment of auditory processing disorder (APD), but their diagnostic value and their use as a measure of treatment effectiveness have not been fully explored. The current study has three main aims: (1) to assess if there are differences in CAEPs recorded in quiet and in noise in children with APD compared to a control group of typically developing (TD) children, (2) to investigate the test-retest reliability of CAEPs, and (3) to determine whether participation in discrimination or language with or without support of personal frequency modulation (FM) resulted in significant changes in auditory function as measured by CAEPs. Fifty-five children with APD and 22 TD children age 7 to 13 years participated. There were group differences between TD children and children with APD for CAEP P1 and N250 amplitudes. CAEPs assessed on two occasions (separated by 7 to 10 days) showed a significant reduction in N250 amplitude on the second visit, highlighting the importance of establishing a stable baseline for CAEPs to more clearly delineate the effects of training from other factors influencing measurements. Participants with APD were randomly assigned to five treatment groups, including a no training group, two groups receiving discrimination training (one of these also used personal FM), and two groups receiving language training (one of these also used personal FM). N250 amplitudes changed during the baseline period, in the absence of any specific training, and hence a control group alone is insufficient for establishing intervention effectiveness; establishing a stable pretraining baseline for electrophysiological (and other) outcome measurements is also important. After 6 weeks training, children with APD in the discrimination treatment group showed a further significant change in N250 amplitudes, beyond the change that occurred during the baseline period. These results are limited by the small numbers of participants in each treatment group; however, the finding of some CAEP changes after training is consistent with published evidence for cortical changes after short-term auditory training. ; 14 page(s)
Keyword: Auditory processing disorder; Auditory training; Cortical auditory evoked potentials; Noise; Personal frequency modulation; Signal-to-noise ratio; Test-retest reliability
URL: http://hdl.handle.net/1959.14/310804
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6
Attend to this : the relationship between auditory processing disorders and attention deficits
Gyldenkaerne, Pia; Dillon, Harvey; Sharma, Mridula. - : American Academy of Audiology, 2014
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7
Assessing spectral and temporal processing in children and adults using Temporal Modulation Transfer Function (TMTF), Iterated Ripple Noise (IRN) perception, and Spectral Ripple Discrimination (SRD)
Peter, Varghese; Wong, Kogo; Narne, Vijaya Kumar. - : American Academy of Audiology, 2014
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8
Management of auditory processing disorder for school-aged children : applying the ICF (International Classification of Functioning, Disability and Health) framework
Sharma, Mridula; Purdy, Suzanne C. - : San Diego : Plural Publishing, 2013
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9
A Randomized control trial of interventions in school-aged children with auditory processing disorders
Sharma, Mridula; Purdy, Suzanne C; Kelly, Andrea S. - : Informa Healthcare, 2012
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10
Bilateral cochlear implants in long-term and short-term deafness
McNeill, Celene; Noble, William; Purdy, Suzanne C. - : United Kingdom : Maney Publishing, 2012
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11
Choice of reference in analysis of CAEPS to auditory and audiovisual stimuli
Gyldenkaerne, Pia; Sharma, Mridula; Purdy, Suzanne C. - : United States : Sage Publications, 2012
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12
Considerations in educating students with hearing loss in mainstream schools
Akbar Malik, Fairunizah. - : ResearchSpace@Auckland, 2012
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13
Are cortical auditory evoked potentials useful in the clinical assessment of adults with cochlear implants?
Mcneill, Celene; Sharma, Mridula; Purdy, Suzanne C. - : Maney Publishing, 2009
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14
Do children with reading delay benefit from the use of personal FM systems in the classroom?
Purdy, Suzanne C; Smart, J. L; Baily, M. - : Taylor & Francis, 2009
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15
Refractory effects on auditory evoked responses in children with reading disorder
Sharma, Mridula; Purdy, Suzanne C; Newall, Philip. - : Lippincott, Williams and Wilkins, 2007
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16
Behavioural and electroacoustic calibration of air-conducted click and toneburst auditory brainstem response stimuli
Sharma, Mridula; Purdy, Suzanne C; Bonnici, Lou. - : Australian Academic Press, 2007
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17
A Case study of an 11-year-old with auditory processing disorder
Sharma, Mridula; Purdy, Suzanne C. - : Australian Academic Press, 2007
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18
The Use of cortical auditory evoked potentials to evaluate neural encoding of speech sounds in adults
Agung, Katrina; Purdy, Suzanne C; McMahon, Catherine M. - : American Academy of Audiology, 2006
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19
Australian hearing protocols for the audiological management of infants who have auditory neuropathy
King, Alison M; Purdy, Suzanne C; Dillon, Harvey. - : Australian Academic Press Pty. Ltd, 2005
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20
Rising-frequency chirps and earphones with an extended high-frequency response enhance the post-auricular muscle response
Agung, Katrina; Purdy, Suzanne C; Patuzzi, Robert B. - : Taylor and Francis, 2005
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