[Blindmath] Spatial Abilities

Thu May 29 01:48:55 UTC 2014

This is true too, I had a sighted girlfriend once, well more then 
once but that isn't the point.  Anyway, she would back out of the 
driveway each day, and have no idea which way to turn.

Dave

At 07:17 PM 5/28/2014, you wrote:
>While I can understand how those who have been blind may have issues 
>with spacial concepts, I wanted to point out that having sight 
>doesn't necessarily mean someone will be good in this area. I have 
>always been very strong with spacial concepts (though I was sighted 
>until early adulthood), but as someone who has employed many sighted 
>assistants, I can tell you that many sighted people aren't 
>particularly good at it either, and I have actually known several 
>fully sighted people who wouldn't have found their way out of a 
>paper bag, so to speak. So just because people have the ability to 
>look at maps, diagrams, etc does not mean that they know how to 
>process and apply that information in a spacial sense within their 
>surroundings. Though I can't say that never having had the ability 
>to read maps, diagrams, etc does not negatively impact spacial ability.
>
>Sarah
>
>
>
>
>
>
>
>----- Original Message ----- From: "Arielle Silverman via Blindmath" 
><blindmath at nfbnet.org>
>To: "sabra1023" <sabra1023 at gmail.com>; "Blind Math list for those 
>interested in mathematics" <blindmath at nfbnet.org>
>Sent: Wednesday, May 28, 2014 4:48 PM
>Subject: Re: [Blindmath] Spatial Abilities
>
>
>>This is a really interesting question. I have been blind since birth
>>and have always had excellent verbal and quantitative skills, and
>>reasonable grasp of cardinal directions, but my spatial sense is very
>>poor. For example, when moving furniture or packing a moving truck, I
>>have no idea how things should be arranged. I feel I am at a
>>disadvantage because I can only touch or explore a large space a
>>little at a time, whereas a sighted person can see the whole thing at
>>once. This is a bit of a different problem from the 2 vs.
>>3-dimensional issue (although I also have trouble decoding raised
>>diagrams especially those with complex shapes). I can mental-map a
>>space easily if it's a standard square or rectangular block, but have
>>a lot of trouble mental-mapping a room or building that's irregularly
>>shaped in any way. I have met several blind people who don't have the
>>same degree of difficulty as I do, however, so I am hesitant to blame
>>it wholly on blindness. That's why I am curious to hear what other
>>congenitally blind people experience. I do think growing up I was
>>never expected to engage spatially with the world and I wasn't as
>>tactually inquisitive as some blind kids, so my spatial development
>>might have been hampered. For me there's little connection between
>>mathematical relationships between numbers and their graphical
>>analogs, which is why my math ability doesn't suffer from my spatial
>>impairment.
>>
>>Arielle
>>
>>On 5/28/14, sabra1023 via Blindmath <blindmath at nfbnet.org> wrote:
>>>Just because someone uses three-dimensional objects doesn't mean that they
>>>have a low spatial intelligence necessarily. I believe that for spatial IQ
>>>tests for the blind, it is best practice to use three-dimensional objects.
>>>
>>>>On May 28, 2014, at 1:13 PM, Amanda Lacy <lacy925 at gmail.com> wrote:
>>>>
>>>>I think it has to do with the fact that those of us who are blind from
>>>>birth don't experience the world as being flat. Sight involves the
>>>>projection of light onto a flat retina, so for sighted people it seems
>>>>natural to go from there to representing real things on flat surfaces.
>>>>Flat pictures are everywhere for them since birth, but I can't think of
>>>>one single example of anything in the real world that's flat. Our hands
>>>>are designed to grasp and rotate and examine real objects, and then we
>>>>come to school and have to learn what seems like a new language. So when
>>>>people say that my hands are like their eyes, I have to disagree. I'm
>>>>speculating as someone who has never been sighted, so any of you can feel
>>>>free to correct me with more accurate information.
>>>>
>>>>Amanda
>>>>>On 5/28/2014 12:46 PM, sabra1023 via Blindmath wrote:
>>>>>I wonder if being blind from birth has to do with it. If I'm remembering
>>>>>how to get somewhere, I just imagine myself walking there. A map doesn't
>>>>>help. I can imagine three-dimensional things very well and make them out
>>>>>of clay. Also, I can remember a two dimensional shape like a circle or
>>>>>square. However, it's difficult for me to imagine and manipulate graphs
>>>>>in my head.
>>>>>
>>>>>>On May 28, 2014, at 12:07 PM, Susan Jolly via Blindmath
>>>>>><blindmath at nfbnet.org> wrote:
>>>>>>
>>>>>>There have been a large number of conferences about and studies of the
>>>>>>use of tactile maps and diagrams by blind persons.  This has been going
>>>>>>on for more than 40 years.  What I got out of reading many of the
>>>>>>studies is that different people are different.
>>>>>>
>>>>>>There is, however, a lot of evidence that men have better spatial
>>>>>>abilities than women.  I know this is controversial but I think there is
>>>>>>some truth to it.  I can see the sun come up east of my house and go
>>>>>>down west of my house.  Nonetheless, no matter how hard I try, I cannot
>>>>>>imagine that my son who lives 1000 miles west of me lives in the
>>>>>>direction where the sun goes down.  I know that it is true logically but
>>>>>>when I think about him, he's always somewhere off to the east in my
>>>>>>mind.
>>>>>>
>>>>>>As for graphs, it took me years to understand why it is not necessary
>>>>>>when laying out a two-dimensional graph to use the same spacing for both
>>>>>>axes.  I mention this here for two reasons.  First, it is an example of
>>>>>>different people being different.  Second, it points out that the shape
>>>>>>of a graph is to some extent arbitrary.  Of course, the general shape is
>>>>>>independent of the exact choice of layout. (I'm talking about linear
>>>>>>axes; you can dramatically change the shape if you use non-linear axes
>>>>>>such as logarithmic ones.)
>>>>>>
>>>>>>SusanJ