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The N1 and P2 ERPs were recorded to 500 and 3000\u2009Hz tones presented at 65, 75, and 85\u2009dB sound pressure level to either the left or right ear. New unilateral and new bilateral hearing aid users were tested at the time of first fitting and after 12 weeks hearing aid use. A control group of long-term hearing aid users was tested over the same time frame. No significant changes in the ERP were observed for any group. There was a statistically significant 2% improvement in aided speech recognition over time for all groups, although this was consistent with a general test\u2013retest effect. This study does not support the existence of an acclimatization effect observable in late ERPs following 12 weeks' hearing aid use.<\/jats:p>","DOI":"10.1121\/1.4874629","type":"journal-article","created":{"date-parts":[[2014,6,7]],"date-time":"2014-06-07T00:33:24Z","timestamp":1402101204000},"page":"3560-3569","update-policy":"https:\/\/doi.org\/10.1063\/aip-crossmark-policy-page","source":"Crossref","is-referenced-by-count":33,"title":["Auditory acclimatization and hearing aids: Late auditory evoked potentials and speech recognition following unilateral and bilateral amplification"],"prefix":"10.1121","volume":"135","author":[{"given":"Piers","family":"Dawes","sequence":"first","affiliation":[{"name":"University of Manchester School of Psychological Sciences, , Manchester M13 9PL, United Kingdom"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kevin J.","family":"Munro","sequence":"additional","affiliation":[{"name":"University of Manchester School of Psychological Sciences, , Manchester M13 9PL, United Kingdom"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sridhar","family":"Kalluri","sequence":"additional","affiliation":[{"name":"Starkey Hearing Research Center , Berkeley, California 94704-1362"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Brent","family":"Edwards","sequence":"additional","affiliation":[{"name":"Starkey Hearing Research Center , Berkeley, California 94704-1362"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"231","reference":[{"key":"2023071701454437100_c1","year":"1997"},{"key":"2023071701454437100_c2","doi-asserted-by":"publisher","first-page":"87S","DOI":"10.1097\/00003446-199617031-00009","article-title":"Report of the Eriksholm workshop on auditory deprivation and acclimatization","volume":"17","year":"1996","journal-title":"Ear Hear."},{"key":"2023071701454437100_c3","doi-asserted-by":"publisher","first-page":"808","DOI":"10.1044\/jshr.3604.808","article-title":"Longitudinal study of hearing aid effectiveness. 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