Dyslexic Mathematician

This is part of a cluster of posts about dyslexia and ADHD.

I have two learning “disabilities” (“learning differences” is a more politically correct, and more accurate term): dyslexia, and ADHD. Some people have been surprised to learn this. I am among them. I was only diagnosed with these learning differences recently.

What is Dyslexia?

I think of dyslexia as a different brain architecture than the norm. Dyslexic brains are wired in such a way that distant parts of the brain are well connected at the expense of dense connections locally. This different brain architecture makes for a different profile of strengths and weaknesses from more common brain types.

Many tasks that are accomplished by non-dyslexic brains automatically and unconsciously, are only accomplished with conscious effort by the dyslexic brain. Examples of such tasks may be (and this varies individual-to-individual) reading, understanding speech, and performing repetitive physical tasks.

On the other hand, dyslexic brains tend to be good with spatial reasoning, seeing connections, recognizing ambiguity, and thinking in narratives.

For most people, dyslexia does not mean a complete inability to read. It does usually means a slower process learning to read, and some lifelong level of difficult reading as compared with the norm.

What Makes You Think You Have Dyslexia?

My list of symptoms is quite long. I’ve decided to write an entirely different post about it on my non-math blog.

How Can A Dyslexic Get a PhD in Mathematics?

As a dyslexic, I’ve never been good at calculations or recalling rote facts like times tables. Here’s the thing: beyond a certain point in mathematics, it’s not really about calculations. Sure, calculations can help big time in certain mathematical disciplines–Gauss was known for being an amazing lightening calculator–but there are areas of math where it’s possible to stay comfortably far from computation.

As I said before, dyslexia comes not only with weaknesses, but with strengths*. Some of these strengths play well into mathematical thinking, such as:

  • Spatial reasoning. Dyslexics tend to be good at thinking relationally in three dimensions. This is great for many areas of math. Topology is one of those. My PhD is in topology.
  • Seeing connections. Progress in mathematical research is made by drawing connections between disparate subfields. Dyslexics often have a strength here also.
  • Thinking in narratives. The way to predict how well a child will do in math is by how complicated a story they can tell. See this ScienceNews article. It makes sense: proofs are the bread-and-butter of math. Proofs are really a lot like stories. Dyslexics are usually good narrative thinkers.

I really didn’t like math at all up until I hit geometry in ninth grade. That’s when math became much easier for me. It may be confusing that moving into more advanced mathematics actually made math easier for me. The key to remember is that my brain works differently from the brains that school curricula were designed for.

Here’s a concrete example of how my brain works differently: concept precedes process. A friend was over for dinner the other night. She said that the part of geometry that made sense to her was finding the areas of regions by breaking them into simpler shapes. She said she could do this because of her experience sewing. See what’s happening there? Sewing is a process. Through doing the process my friend was able to get the concept of computing areas. This is a pretty normal way of learning: do a process by rote procedure, then understand the concept. My brain doesn’t like that kind of learning. I learn in the opposite direction: concept first, then procedure. This is also how my dyslexic daughter, Lucy, learns. Lucy had a hard time learning to count. Because my brain works so similarly to hers, I was able to get at the heart of her counting difficulties. The punchline is that she understood the concept, but had a hard time with the process. I wrote about it in a previous post. Mathematics at the PhD level is not about learning process by rote. In the abstract world of pure mathematics, concept may be all you have.

Like I said, geometry class was when math became interesting, and easier for me. Suddenly I was in a world, not of strands of symbols to be processed, but of shape, space, lines, angles, concepts, and narrative-like proofs. Suddenly everything made sense.

Most exciting of all in my high school freshman geometry class was the idea of non-Euclidean geometry. We learned about the geometry of the sphere (a sphere is the surface of a ball, in math-speak). I raised my hand in class and said “if two-dimensional spherical geometry is like the surface of a three-dimensional ball, maybe our universe is like the surface of a four-dimensional ball.” The teacher seemed to think that I was getting a bit ahead of myself. Maybe I was, but I was finally swimming in my element.

Other geometry students were doing things like memorizing theorems. Memorization made no sense to me. Do you know which way is up by memorization? Do you know that snow is cold by memorization? Geometry, and later calculus, topology, and other math classes just made intuitive sense to me. It’s not that I didn’t have to try. But it felt like what my brain was meant to do. In graduate school for instance, I could sit by the pool while my kids played and let my math problems roll around in my head. My brain naturally attacked them with it’s native strengths of spatial reasoning, finding obscure connections, thinking in narratives, and taking different points of view. Later that evening when my family was asleep, I would have to tease my thoughts out into sentences, mathematical expressions, and other strings of symbols.

Paradise Lost?

Unfortunately for me, if you go far enough down the path of any geometrical problem, the tools of algebra start winning out. According to a quote attributed to Michael Atiyah:

Algebra is the offer made by the devil to the mathematician…All you need to do, is give me your soul: give up geometry

That’s the reality that I hit at the end of my graduate career. It’s the reality that I live with as a career mathematician. I’m not yet willing to sell my soul. My brain still wants to swim in its native stuff.


*I’m stealing this list of strengths from The Dyslexic Advantage by Eide and Eide.

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10 Responses to Dyslexic Mathematician

  1. Hi Toomai, It would be great to connect to you. Thanks for a great post!

  2. geometer says:

    Hi,
    I loved reading your post. I am an undergraduate student in UK studying maths and I am also dyslexic. I was just wondering – is it possible for me to email you with some questions regarding dyslexia and maths? I was just so amazed when I saw this blog post. My dyslexia ‘symptoms’ are extremely similar to yours and I also started liking maths thanks to geometry!
    If emailing is not possible, may I post them here? (They are quite long though.)

    Thank you for this wonderful post.

  3. dp says:

    Thank you for the most insightful thing I have ever read about this area. It answered many questions I didn’t even know I had, but had been trying to find answers for! Just reading about how you “live” mathematics in a completely different way than the oppressive way I was taught and my kids are being taught is a brilliant Pandora ‘s box for me this morning. I do have one question. Have you ever encountered a symptom of transposing digits in a number sequence? I do this and my daughter does this every day. We can look at the numbers intensely and check ourselves over and over, and will have read 824-754-284-33 as 842-745-284-33. It is very frustrating and we have different devices to compensate for it. But I was wondering if this is something you have heard of before. Thank you and please keep writing and thinking big.

    • toomai says:

      I transpose digits in numbers some. Usually I’m able to control it with a little concentration. Of course, in high stress situations that ability to concentrate just goes out the window for me.

  4. Landon says:

    Great post as usual. I don’t know if I ever told you this or if you remember, but I was diagnosed with dyslexia in 4th grade. I was drawn to math much earlier because it was the first area I really had success.

    Even with calculations and times tables. While others were trying to memorize which numbers went with which pair I instantly saw patterns. This allowed me to be faster than my classmates and more correct. What a relief. I spent countless hours in elementary school staying in from PE and recess to finish various assignments. Finally I was good at something.

    And as you say it got better. I have told many that I have solved many math problems, and probably some of my most difficult ones, in the shower. You have a great clarity of expression on this point. We can set our minds on an autopilot in many cases.

    Thanks for taking the time to write this post on your blog.

    • toomai says:

      Hi, Landon. I don’t think you ever told me that you were dyslexic. If you did my dyslexic brain forgot it :-). Lots of math problem solving in the shower for me too. Also while brushing my teeth, and in restroom stalls.

  5. Lisa Lyons says:

    I created a calendar that helps visual spatial memory. Wondering if it would appeal to people with dyslexia.

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