4 - 9 - Positive aspects, Childbirth A Global Perspective
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Okay so Vincent in the last segmentwas talking about some of the serious andnegative psychological andemotional impacts that dyslexia can have.But ... now we're going to turn to some ofthe positive aspects of the constellation.... it's important to remember thatwe're not trying to, we're not ...trying to invalidate ... the seriousnessof the reading issues herebut just to also point out that therecan be areas where people with dyslexiacan excel ... more than the typicalpopulation in terms of proportions.And actually there's a study that suggeststhat strengths ... in being able tovisualize things in three-dimensionalspace is potentially a strength that'shigher represented amongst people withdyslexia than in the general population.And this in turnis meaning that for example,the 'Economist' reported in 2012that in certain professions that... value 3D representational skillssuch as architecture companiesare sometimes actively recruitingpeople with difficulties like dyslexia.So first of all we're going to startwith Professor Stein who's going totalk about relationships betweencreativity and dyslexia.>> Now, I'm interested in why it is thatdyslexics have these exceptional talents.What is it in the brain thatallows them to have these talents?And this is still a theory,but I think more andmore people are becoming to believe it.Dyslexia wouldn't be socommon if it didn't carry advantages.And what I'm interested in is whydoes it carry these advantages?What's the brain change ordifference that makes dyslexics so goodat holistic visual-spatial processing?And the argument,although it's not proven,it seems highly likely is that itis a result of the, as it were,the relative weakness ofthe dyslexic's left hemisphere.What happens to most of us duringschooling is that the left hemisphere,which happens to be slightlyadvantageous at timing things,... becomes more andmore specialized at linear sequencing.So it starts off with auditory sequencing.If I say the word 'dog', what happens isthe left hemisphere can parse 'd', 'o', g',and that is something that is essential... that's called phonology.It's essential if you're going to matchthe, those sounds with the letters, D-O-G.And so the left hemisphere becomesspecialized at this sort oflinear kind of sequencing,as opposed to holistic kind of approacheswhich the right hemisphere is good at.And that means that during normaleducation non-dyslexics getonly the right hemisphere specialized forthis holistic activitybut the left hemisphere is now specializedfor this linear kind of sequencing.And that linear sequencing, by the way,is not a natural kind of thing,because in the wild the the worlddoesn't have linear sequencing.You have trees that are more orless symmetrical,you have bushes that are more orless symmetrical.It doesn't matter which side the ... stalk of a tree is butit does matter which side the stalk ofan a is, or an o, or a q versus a p.And soyou have to train the left hemisphereto do all this linear sequencing.And what that does is forceout of the left hemisphereits ability to do holistickinds of processing.So the advantage that dyslexicshave is a consequence of the factthat they don't do that specialization somuch.And so the left hemisphere is stillquite good at visual-spacial processing.So ... both hemispheres do it,rather than only one, andthat's why they turn out tobe such good artists, etc.>> We're then going to talk aboutprofessions where dyslexics have beenshown to really excel.Here you can see a slide ofsome of those professions.
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