Genetic Bases of Music- related hearing loss Thresholds, exposure and susceptibility

Who is at higher risk of music-related hearing loss? Rock musicians Rock musicians Classical musicians Classical musicians 32% 32% 44-52% 44-52%

Who is at greater risk of MIHL? Voice major Voice major Percussion major Percussion major Brass major Brass major Woodwind major Woodwind major String major String major Keyboard major Keyboard major

Percentage of students with MIHL

Tests you will participate in

Middle Ear Tests A tympanogram will determine the health and mobility your middle ear system A tympanogram will determine the health and mobility your middle ear system Acoustic reflexes will examine the function of middle ear muscles Acoustic reflexes will examine the function of middle ear muscles If these results are not normal, you may be referred to the Student Health Center If these results are not normal, you may be referred to the Student Health Center

Test of Inner Ear Health For this test you will hear some tones at different pitches For this test you will hear some tones at different pitches Results will tell us about the health of the organ of hearing in the inner ear Results will tell us about the health of the organ of hearing in the inner ear This test may show damage from exposure to loud sound before a regular hearing test will This test may show damage from exposure to loud sound before a regular hearing test will Poor results mean you should be very sure to protect your hearing Poor results mean you should be very sure to protect your hearing

Hearing Test This will be the typical “raise your hand when you hear the beeps” This will be the typical “raise your hand when you hear the beeps” This test will tell us if you have any hearing loss This test will tell us if you have any hearing loss If you do, we may recommend that you get a full hearing test at an audiology clinic on campus or in your home town If you do, we may recommend that you get a full hearing test at an audiology clinic on campus or in your home town

Genetic testing We will collect cheek cells by rubbing a swabbed stick inside each cheek We will collect cheek cells by rubbing a swabbed stick inside each cheek These samples will be identified only by a numbered code These samples will be identified only by a numbered code We will analyze these samples for specific genes suspected of causing a susceptibility to noise-induced hearing loss We will analyze these samples for specific genes suspected of causing a susceptibility to noise-induced hearing loss

DoseBadge exposure measurements Your last task will be to wear a doseBadge on your shoulder or on a hat for 2 school days Your last task will be to wear a doseBadge on your shoulder or on a hat for 2 school days This device will measure the loudness of your exposure all day long This device will measure the loudness of your exposure all day long It will not record any sounds themselves, like your music or speech It will not record any sounds themselves, like your music or speech

Then you get A $20 gift card!