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Medical Forum / Diseases and Disorders / Tinnitus / December 2003Does Tinnitus equal hearing loss?
Im just curious whether or not tinnitus means you have lost some hearing or just weakened it for a good while until the hearing fibers heal themselves up. I know it doesnt happen over night. I read one time that damaged hearing fibers are what cause tinnitus. They send a false signal to the brain. So, in one since, I am thinking well, it might be a false signal but at least its a signal which means the hearing fibers are still alive, they are just weakened. Does anybody know if this makes any sense. Im trying to gain more understanding about this topic. Thanks. >Im just curious whether or not tinnitus means you have lost some hearing or >just weakened it for a good while until the hearing fibers heal themselves [quoted text clipped - 4 lines] >weakened. Does anybody know if this makes any sense. Im trying to gain more >understanding about this topic. Thanks. .................. Tinnitus and hearing loss not infrequently coexist, but to the best of my knowledge no causal relationship has ever been established. Clearly many people with hearing loss have no tinnitus. And a good 10% of more of the tinnitus population have normal audiograms. smn > Tinnitus and hearing loss not infrequently coexist, but to the best of > my knowledge no causal relationship has ever been established. > Clearly many people with hearing loss have no tinnitus. And a good > 10% of more of the tinnitus population have normal audiograms. Yes I have tinnitus and my audiogram threshold is about 10 dB from 125 hz to 8 Khz, which is ok for my age 33. I have tested my self and found my upper frequencies to be 16.1 khz right and about 14.5 Khz left ( perhaps a little less than average . . . . left ear is also the ear with most tinnitus ). placebo effect. > > Tinnitus and hearing loss not infrequently coexist, but to the best of > > my knowledge no causal relationship has ever been established. [quoted text clipped - 7 lines] > and about 14.5 Khz left ( perhaps a little less than average . . . . left > ear is also the ear with most tinnitus ). > placebo effect. What placebo ? By the upper frequencies I refer to the highest pitch I can hear . . . not the frequencies of my tinnitus. Did **you** turn on the frequencies each time? Think about it. > > placebo effect. > > What placebo ? > > By the upper frequencies I refer to the highest pitch I can hear . . . not > the frequencies of my tinnitus. > Did **you** turn on the frequencies each time? > Think about it. Jep . . . .it's clearly. The 10 dB audiogram was done at an audiologist ( professionally). I testede the upper frequencies at home my self. I can not hear 16.5 khz even at more then 50 dB but I hear 16.1 khz at less that 30 dB. > I have tested my self and found my upper frequencies to be 16.1 khz right > and about 14.5 Khz left ( perhaps a little less than average . . . . left > ear is also the ear with most tinnitus ). When I conducted this test on myself I noticed a given high frequency was perceived as a slightly different pitch when fed into each ear. I wonder, could this have a bearing on the 'compound tone' nature of my tinnitus ? >When I conducted this test on myself I noticed a given high frequency was >perceived as a slightly different pitch when fed into each ear. I think this is reflective of the fact that as the frequencies increase, or the hearing decreases!, the human ear is diminished in its capacity to conduct the 'tonality' of the signal and it becomes distoirted, heard more as 'noise' or even felt as a sensation. I am happy with this thread because I am ordering a new audiometer that will allow me to test up to 20,000 Hz as a part of my regular tinnitus work-up, and also allow me to collect data on that area with many many patients that could be presented as research to help us discover more about how tinnitus and hyperacusis act. I have been testing up to 12,000 Hz for six years now, and interested to see what happens further on up the line. Sometimes it is quite dramatic, with pts having normal heairng through 8 kHz, and then falling steeply at 12,000 Hz. If we don't test for it, how can we find it? We know ototoxic medications and environmental factors affect the high fqs first............and I am ready to find out more. MJ <> > I am happy with this thread because I am ordering a new audiometer that will > allow me to test up to 20,000 Hz as a part of my regular tinnitus work-up, and [quoted text clipped - 12 lines] > > MJ ~~~~~~~~~~~~~~~~~~~~~~~~ Marsha, that is some audiometer! I'm sure you will learn a great deal from it. In my own case, my tinnitus cannot be matched at 12,000 Hz, and frankly, when the sounds are that high pitched and loud, I have less interest in any numbers that can be tested and more in research for a cure or way to alleviate pain. But we are in different shoes altogether! Good luck! Mary > Sometimes it is quite dramatic, with pts having normal heairng through 8 kHz, > and then falling steeply at 12,000 Hz. Yes I have tinnitus . . . my hearing is fine up to about 15 khz on the left and 13khz on the right but falling steeply above. What is the normal ( avarage ) upper limit for a 33 year old ? 16Khz ? > What is the normal ( avarage ) upper limit for a 33 year old ? 16Khz ? Well I'm 53. I've just been to the workshop to measure mine using a Gould signal generator. The results were achieved without regulating the input level - they represent the absolute maximum frequencies I can hear. Left ear: 15.5 KHz (with a notch at 13-14KHz representing my tinnitus frequency) Right ear: 15.5 KHz (with less of a notch). At your age Jesper I remember being able to just about get up to 18KHz under similar test conditions. At the very highest frequencies though it more is like 'sensing' something is there rather than 'hearing' it as a pitch. Nevertheless the figures are real - taking the frequency yet higher results in nothing. Steve > Well I'm 53. I've just been to the workshop to measure mine using a Gould > signal generator. The results were achieved without regulating the input [quoted text clipped - 10 lines] > Nevertheless the figures are real - taking the frequency yet higher results > in nothing. I thing my test condituins are too poor. I use some studio equipment and loudspeakers but I got a noisy PC to the left so the limit is probably higher. |
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