Today we start our deafness study. As today is a holiday, we will be unable to start the week with a School for the Deaf and Blind visit, but we have a meeting with them scheduled tomorrow morning. Judging by our last experience, the meeting should prove to be infinitely helpful in preparing us for our task.
So, right after we ran a short eye test to ensure a return to baseline visual acuity, we put in his earplugs and put on his sound canceling ear muffs. Overall, it lowers each auditory input by about 65 decibels. A loud rock concert ranges from 120-130 decibels. Soft elevator music ranges around 60-80 decibels. A rock concert would be about as loud as elevator music. Normal conversation is inaudible. So he is not completely deaf, but he is legally deaf and certainly hearing impaired. It's not perfect, but it will certainly work for our purposes.
I'm thinking that this week will certainly be an interesting one. Last week we got what looks like some good results that support our hypothesis, so here's to hoping that this week provides similar results.
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