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Improvement of Cognitive Function in the Elderly with the Use of Amplification Ashton Crain with Mentor Teresa Garcia, M.S., CCA Department of Communication Disorders Background of Hearing Loss • Anatomy • Type of Hearing Loss • Causes • Audiogram • Degree of Hearing Loss • Prevelance Anatomy of Hearing Type of Hearing Loss • Conductive • Outer Ear • Middle Ear Type of Hearing Loss • Conductive • Outer Ear • Middle Ear • Sensorineural • Inner Ear Type of Hearing Loss • Conductive • Outer Ear • Middle Ear • Sensorineural • Inner Ear • Mixed • Combination of conductive and sensorineural hearing loss Hearing Evaluation • • • • Medical History Pure-tone Testing Speech Recognition Testing Speech Discrimination Testing Measuring Hearing Loss Measuring Hearing Loss Prevalence of Hearing Loss Prevalence of hearing loss in the United States 50% 45.12% 45% 40% 35% 31.13% 30% Percentage 25% 20% 18.94% 15% 10% 6.73% 5% 0% 18-44 45-64 65-74 Age 75+ National Center for Heath Statistics, 2012 Prevalence of Hearing Loss Brain Hearing Brain Hearing Speech Perception Cognition and Hearing Loss • 1999-2011, Frank R. Lin • Audiometric Evaluation & DSST component of the Wechsler Adult Intelligence Test Cognition and Hearing Loss • 2014, University of Hong Kong • • • • Assessed: Pure-tone audiometry Hearing in Noise Test Mini Mental State Evaluation (MMSE) • • • • • • • • Orientation to time Orientation to place, Registration Attention calculations Recall, Language Repetition Complex commands Auditory Deprivation Treatment • Aural Rehabilitation • Amplification • Hearing aids • Bone anchored hearing aid (BAHA) • Cochlear Implant • Communication Therapy Cognitive Improvements • 2011, Kalluri & Humes • Short-Term Interactions of Hearing Technology and Cognition • Noise recall, neurological fatigue, auditory function • Long-Term Impact of Hearing Technology and Cognition • Diminishing sensory input Cognitive Improvements • 2010, Eulji University School of Medicine • Speech related cognition • Statistically significant • Speech discrimination in background noise • Not statistically significant Cognitive Improvements • 2005, International Journal of Audiology • No statistical significance My Future Studies • “Window of opportunity” • Degree of hearing loss • Age impact on cognitive improvement with hearing aids