[bct] Re: more thoughts on hearing

  • From: "lance" <lance.kamaka@xxxxxxxxxxx>
  • To: <blindcooltech@xxxxxxxxxxxxx>
  • Date: Fri, 17 Mar 2006 08:48:32 -1000

Totally logical!! Lance

-----Original Message-----
From: blindcooltech-bounce@xxxxxxxxxxxxx
[mailto:blindcooltech-bounce@xxxxxxxxxxxxx] On Behalf Of M. Dimitt
Sent: Friday, March 17, 2006 8:25 AM
To: blindcooltech@xxxxxxxxxxxxx
Subject: [bct] Re: more thoughts on hearing

I don't find sighted people asking me questions annoying. in fact, I'd 
rather they ask whatever they want too, rather than simply wondering and 
being afraid to ask.
Curiosity is a natural part of humanity. Oh boy, did I just sound like Spock

from Star Trek? Haha!
Jamie D.
----- Original Message ----- 
From: "J Garcia" <j.garcia235@xxxxxxxxxxx>
To: <blindcooltech@xxxxxxxxxxxxx>
Sent: Friday, March 17, 2006 11:18 AM
Subject: [bct] Re: more thoughts on hearing

> Regarding what people hear, its true that some of us hear better and more
> than others, but you are really asking a sensation or perception question.
> You can get an entire group of subjects and give them all the same 
> auditory
> sensation with the same tone and amplitude, and they will hear the sound
> within a certain human range. On the other hand, you will probably get
> different perceptions of this sound from these subjects--its sounds good, 
> it
> sounds, bad, it sounds like screeching, it reminds me of my mother in law
> and so on. Basically, with various sensation measuring devices most of us
> with normal senses can convey exactly what we and other normal people like
> us hear, its what these perceptions mean to us that walls begin to present
> themselves. What is fundamental about human hearing is that we can
> potentially hear sound ranging from 20 db to 20,000 db but most human's
> hearing is not always that sensitive or able to put up with such an 
> assault.
> The notion of subjective sensitivity and invariable ranges is also seen in
> vision. For example, most sighted people on the average only see about 
> 1000
> colors per day from a possible pool of millions of colors in the 400-700 
> NM
> visual range. We can also increase what we sense by being more attentive 
> to
> subtle details as is the case for musicians. For those who didn't know,
> musicians Have Larger Auditory Areas in the human brain. That is, their
> response of the auditory cortex to piano tones is greater for them than in
> nonmusicians. Attending to stimuli is the key phrase. You might also want 
> to
> know that the human brain is very malleable and very resilient so when 
> there
> is a deficit in a sensation, the human brain will make up for its deficits
> by allocating more processing power or neural tissue to the deficient 
> parts
> of your brain. In other words, if you can't see, your auditory cortex will
> rearrange itself and increase its sensitivity to subtle sounds to make up
> for the visual deficit. I remember once I dropped some change on a cement
> floor and was able to tell my buddy the exact coins I dropped. He was 
> amazed
> at this because he couldn't do it because he had absolutely no need to do
> so. I on the other hand did because when dropping something on the floor, 
> it
> helps out a blind person to focus on the sound to determine where abouts 
> the
> item fell. The neural restructuring also happens for missing limbs as the
> case for phantom limbs. Phantom limbs happen to people with missing legs 
> or
> arms and often complain that their missing arm or leg is hurting or 
> itching.
> This is due to the rearranging of neural tissue in the parietal lobe of 
> the
> brain--this is right at the very top of your head. This is a subjectively
> negative result of restructuring of neural tissue.
> The question about sighted people asking us blind people what we can and
> cannot hear is not a dumb question at all. In fact its an opportunity for 
> us
> to break down walls between the sighted world and ourselves, so such
> questions shouldn't be seen as a nuisance but more like a natural 
> curiosity
> of all our human minds and its incessant hunger for information.
> J Garcia
> ----- Original Message ----- 
> From: "Sam Bushman" <sam@xxxxxxxxxxxxxxx>
> To: <blindcooltech@xxxxxxxxxxxxx>
> Sent: Friday, March 17, 2006 8:54 AM
> Subject: [bct] Re: more thoughts on hearing
>> Hi Neal,
>> That sounds interesting.
>> But, keep in mind ... they will only be able to hear as well as they can
>> hear.
>> Meaning that if you can hear great, and I can't hear to well, then if 
>> they
>> created a way for me to hear what you hear ... it may not work since I
> can't
>> hear all they are representing.
>> Sam
>> ----- Original Message ----- 
>> From: "Neal Ewers" <neal.ewers@xxxxxxxxxxxxxx>
>> To: <blindcooltech@xxxxxxxxxxxxx>
>> Sent: Friday, March 17, 2006 9:48 AM
>> Subject: [bct] Re: more thoughts on hearing
>> >I have often wondered about how much or little people think before they
>> > ask certain questions.  Not long ago, I got it again.  "What can you
>> > hear that I don't hear?"  A bit too much scotch perhaps.  How do I
>> > really know what someone else is hearing.  However, there is a research
>> > project at the University of Wisconsin that looks at a person's very
>> > sophisticated hearing tests and then tries to replicate what they might
>> > hear in a given situation.  So, you can actually put on headphones and
>> > hear what someone else might hear in a given situation.  It's
>> > fascinating.  I often have to stop and realize how lucky I have been to
>> > be able to work at Trace and consult with other researchers here. 
>> > There
>> > is a lot to learn out there.
>> >
>> > Neal
>> >
>> > -----Original Message-----
>> > From: blindcooltech-bounce@xxxxxxxxxxxxx
>> > [mailto:blindcooltech-bounce@xxxxxxxxxxxxx] On Behalf Of M. Dimitt
>> > Sent: Friday, March 17, 2006 10:42 AM
>> > To: blindcooltech@xxxxxxxxxxxxx
>> > Subject: [bct] Re: more thoughts on hearing
>> >
>> >
>> > Pam:
>> > I really liked that observation you said, that for each of us due to 
>> > our
>> >
>> > lack of vision and hearing, we will perceive things differently. We're
>> > not
>> > all cut out of the same cloth so to speak. when sighted people ask what
>> > it's
>> > like to be blind, you can give them a generic response, but for each of
>> > us,
>> > it's a little bit different.
>> > Jamie D.
>> > ----- Original Message ----- 
>> > From: "Pam Quinn" <quinn.family@xxxxxxxxx>
>> > To: <blindcooltech@xxxxxxxxxxxxx>
>> > Sent: Friday, March 17, 2006 7:52 AM
>> > Subject: [bct] more thoughts on hearing
>> >
>> >
>> > Talking about this, individual realities for each of us depending on 
>> > the
>> > normalcy of our hearing and vision and what not, brings a few more
>> > things to mind. I'm sure we've all been questioned by sighted people,
>> > and have been asked such things as, "Aren't you afraid of the dark?"
>> > When I had an attack of severe hearing loss once and was terrified
>> > beyond anything I've ever experienced, I thought about that and
>> > realized, "My God! For us as blind people, the lights are always on."
>> > Only when hearing is gone are we plunged into true darkness, and that 
>> > is
>> > a scary thing.
>> >
>> > I also wanted to mention that I am constantly in awe of these stereo
>> > podcasts, and am so thankful that whatever happens down the road for 
>> > me,
>> > I've had the opportunity to enjoy them. I just can't get over the 
>> > wonder
>> > of the feeling of actually being right there when listening with
>> > headphones especially. I think these stereo digital recordings are to a
>> > blind person what high definition TV is to a sighted person. Somebody
>> > told me that on high definition TV, you can actually see each blade of
>> > grass and such. That's the type of high definition picture I get in my
>> > mind when listening to these awesome podcasts. So thanks again to
>> > everyone who is a part of the wonder that is blindcooltech.
>> >
>> > Pam
>> >
>> >
>> >
>> >
>> >
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