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Why Your Body Is A Hypocrite

October 28, 2019/in Massage, Massage Clinic, Massage Therapist, Massage Therapy, Pain /by Todd Hargrove

What you see is affected by what you know, and what you hear, and what you touch, and vice versa. This is an example of multi-modal perception. The brain is very complex, and all its different parts integrate and share information acquired from any source – eyes, ears, touch, memories, predictions, expectations, Facebook, etc. We often think pain relates only to “issues in the tissues” but in fact other sources of information about the state of the body matter as well. It’s all connected.

Or is it?

I am currently reading a great book by Robert Kurzban called Why Everyone (Else) Is a Hypocrite. The title is a little bit misleading because the book is not so much about explaining why people lie, but more about working through implications of the modular theory of mind. Kurzban is an evolutionary psychologist, and one of EP’s main theoretical claims is that the mind is modular, meaning that it evolved to have certain specific competencies, as opposed to a general all-purpose problem-solving intelligence.

This idea is best understood in reference to creatures that are far less intelligent than humans, such as spiders. Spiders are architectural geniuses when it comes to building webs, and are also very good at solving problems related to getting food, avoiding predation, and finding mates. But outside these specific contexts, they are idiots.

Natural selection provides living things with specific cognitive competencies, not general all-purpose intelligence. We can look at the mind as a smartphone with various apps, or a swiss army knife with separate tools. Humans have far more computing power and apps than spiders, but it is the same basic modular operating system, which is why we are amazing geniuses in certain areas, such as motor control and language (where we outperform any computer), and not so strong in others, such as math computation (where we are put to shame by simple calculators.)

Kurzban’s interesting twist on this idea is that the different modules don’t necessarily share information with each other. They often work independently, and mistakes in one area can’t necessarily be corrected by more accurate information in another. He uses two common visual illusions to illustrate.

What do the dots in this picture show?

Hidden-Dalmatian.jpg

If you don’t already know the answer, you might struggle for a few minutes before you “see” the dalmatian. As soon as you know what’s in the picture, you can see it almost immediately, and in fact, it becomes hard to “unsee” as well. According to Kurzban, this means that a conscious module in the brain shared information about the picture with a visual processing module, and this affected its computations and therefore your perception of the picture. For similar reasons, this is why wine tastes better when we think it is expensive, and pain hurts more when we think it is caused by major damage in the body, as opposed to some innocuous healing process. But “top-down” information sharing won’t always change your perception.

Consider the checkerboard illusion. Squares A and B are actually the same color!

Figure-ground_Organization_2.jpeg

There is a visual processing module that processes a ton of information to provide you with this (incorrect) perception. It considers the location of the cylinder, the shadow that it casts, the regularity of the squares on the checkerboard. Based on all of this computation, it “decides” that the squares are different colors, and therefore you see them that way. You are never provided with the “raw data”, the set of assumptions, or the thinking process that led to this conclusion. You just get the final product – a mental picture showing the squares as the same color.

And, interestingly, your conscious knowledge that the squares are in fact NOT the same color does nothing to change your perception. Unlike the dalmatian photo, conscious knowledge is not used by the visual processing module to make your perception more accurate. So the illusion remains. According to Kurzban, this is evidence that the work done by the modules is often fairly independent, immune to correction or maybe even input from other modules that know better.

(This is part of why Kurzban thinks we can be hypocrites – there is a social relations module in the brain – a public speaker – whose priority and function is giving you high social status. It doesn’t really care or maybe even know about information located in other modules of the mind, which proves that you aren’t as smart or moral or innocent as you claim in public. The separation of the modules creates “strategic ignorance.”)

Now consider this idea in the context of pain. Sometimes our knowledge and conscious thought processes about the body will affect how a body part feels. If we think that a body part is broken, degenerated, falling apart, unstable, this can make pain worse. And if we think that our body is robust, strong, and capable, this can make us feel better. This is multi-modal perception – sharing of information between the different modules. It explains why in the Dalmatian picture, conscious knowledge about the meaning of the picture affected our perception.

But pain is unfortunately sometimes more like the checkerboard illusion – immune to logic. People often have pain in areas where there is no damage, and sometimes in areas where there aren’t even body parts! Having conscious knowledge about these facts sometimes cannot affect perception. In terms of modules, we could say that the pain module is just not very interested in hearing corrective information from the cognitive modules. It was designed to be strategically ignorant about their conclusions. This is frustrating, but I think an interesting theoretical way to look at the problem of pain having “a mind of its own.” If the pain module won’t “listen” to the more cognitive modules, which modules might be better at speaking its “language?” The movement modules would be first on my list. If you move in a way that demonstrates strength, endurance, or skill, you will get a visceral “bottom-up” feeling of safety that speaks a different and more powerful language than Stuart Smally-style top-down daily affirmations.

Todd Hargrove

Todd Hargrove is a Certified Feldenkrais Practitioner and a Certified Rolfer living and practicing in Seattle. He became interested in movement and pain twenty years ago, when as a lawyer, he was trying to treat his own chronic pain and win more squash matches. He got some great results, and eventually changed careers to help others make similar improvements. In 2008 he started writing a blog at bettermovement.org to share knowledge with a wider audience. His writing seeks to explain why pain science and neuroscience is relevant to manual and exercise therapists. He recently published a book called “A Guide to Better Movement: The Science and Practice of Moving with More Skill and Less Pain”.

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Todd Hargrove
Todd Hargrove is a Certified Feldenkrais Practitioner and a Certified Rolfer living and practicing in Seattle. He became interested in movement and pain twenty years ago, when as a lawyer, he was trying to treat his own chronic pain and win more squash matches. He got some great results, and eventually changed careers to help others make similar improvements. In 2008 he started writing a blog at bettermovement.org to share knowledge with a wider audience. His writing seeks to explain why pain science and neuroscience is relevant to manual and exercise therapists. He recently published a book called “A Guide to Better Movement: The Science and Practice of Moving with More Skill and Less Pain”.
Todd Hargrove
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Latest posts by Todd Hargrove (see all)
  • Posture, Babies, And Bathwater - January 25, 2021
  • What Kind of Exercise is Healthiest? - November 17, 2020
  • To Predict Chronic Pain, Look to the Brain - October 19, 2020
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Todd Hargrove

Todd Hargrove is a Certified Feldenkrais Practitioner and a Certified Rolfer living and practicing in Seattle. He became interested in movement and pain twenty years ago, when as a lawyer, he was trying to treat his own chronic pain and win more squash matches. He got some great results, and eventually changed careers to help others make similar improvements. In 2008 he started writing a blog at bettermovement.org to share knowledge with a wider audience. His writing seeks to explain why pain science and neuroscience is relevant to manual and exercise therapists. He recently published a book called “A Guide to Better Movement: The Science and Practice of Moving with More Skill and Less Pain”.

  • Author
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Todd Hargrove
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Todd Hargrove
Todd Hargrove is a Certified Feldenkrais Practitioner and a Certified Rolfer living and practicing in Seattle. He became interested in movement and pain twenty years ago, when as a lawyer, he was trying to treat his own chronic pain and win more squash matches. He got some great results, and eventually changed careers to help others make similar improvements. In 2008 he started writing a blog at bettermovement.org to share knowledge with a wider audience. His writing seeks to explain why pain science and neuroscience is relevant to manual and exercise therapists. He recently published a book called “A Guide to Better Movement: The Science and Practice of Moving with More Skill and Less Pain”.
Todd Hargrove
Follow Him
Latest posts by Todd Hargrove (see all)
  • Posture, Babies, And Bathwater - January 25, 2021
  • What Kind of Exercise is Healthiest? - November 17, 2020
  • To Predict Chronic Pain, Look to the Brain - October 19, 2020
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