Question

1. Discuss why Wolpert says we have a brain.

Answer 1

1. Wolpert believes that the only reason that humans have the brain is to make complex movements. Wolpert says that an organism needs to move in order to make an impact on the environment.

2. Wolpert used the example of sea squirt. He said that the sea squirt moves around the ocean his whole life and then when he implants on a rock, he digests his own brain. He used this example as proof that once an organism stops moving, it no longer requires a brain.

3. The reverse engineering of the humans' movements is difficult to accomplish because the sensory feedback interrupts the signals. In order to explain this, he uses the example of radio signals.

4. Wolpert theorized that the brain sends signals to the muscles in order to make certain movements. These movements are a result of the sensory information received by the brain from the skin, vision, and muscles. Most of this information contains 'noise' which the brain works hard to interpret and remove.

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