God is dead and you have no soul

Filling the pail


In their 2011 book, John Sweller, Slava Kalyuga and Paul Ayres argue that the brain does not require a central executive to coordinate cognitive processes. This places them at odds with Baddeley’s model of working memory in an intriguing and curious way.

In part, they argue by analogy. They compare the model of the brain as an information processing system with the process of biological evolution which is also an information processing system. In evolution, information is encoded in genes. This information can be borrowed and reorganised from one organism to the next. This process of reorganisation may lead to novel applications and this is one element in the creativity exhibited by evolution.

However, this does not explain all of the creativity of evolution. At some point in the fossil record, there were no backbones and then, at a later point, there were backbones. That information must have come…

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