Wiring the brain

This week our topic at the lecture and the readings was wiring the brain. When first hearing the topic it was a bit difficult to grasp what we would really learn about this week, but when starting reading the chapter in the book it became clear that wiring the¬† brain is all about how the different parts of the brain are developed and how the neurons “know” to what part of the brain they should go.

The book almost only covered the wiring of the visual system  in the brain. This was on good and bad. We liked that we had something familiar to connect to wile learning this new thing, but it also awoke our curiosity towards other systems and parts of the brain and how they are wired.It was really interesting to see how the, to us now familiar, structures of the visual system are developed. Now we feel like we, once again, have a more complete understanding of a broad concept.

A thing we discussed more in our group was, the fact that if you get blind as a small child your brain will be able to adapt to the situation (as was described in the book with the example of covering one eye and then the other). The nerves from your eyes to the brain will not develop further and other senses will become stronger. We started wondering if the brain still can adapt like this somehow if you become blind as an adult even though you are past the critical point. If not do people who become blind as adults then have a harder time getting around etc. since their brain has not adapted as well as a small child’s brain to the blindness.

Posted by Johanna Hansson

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