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Seeing Red

Posted by Peter on March 11, 2008
Posted in: Book Reviews, The Human Mind. Tagged: blindsight, consciousness, qualia.

Book review: Seeing Red: A Study in Consciousness (Mind/Brain/Behavior Initiative) by Nicholas Humphrey,
This book provides a clear and simple description of phenomena that are often described as qualia, and a good guess about how and why they might have evolved as convenient ways for one part of a brain to get useful information from other parts. It uses examples of blindsight to clarify the difference between using sensory input and being aware of that input.
I liked the description of consciousness as being “temporally thick” rather than being about an instantaneous “now”, suggesting that it includes pieces of short-term memory and possibly predictions about the next few seconds.
The book won’t stop people from claiming that there’s still something mysterious about qualia, but it will make it hard for them to claim that they have a well-posed question that hasn’t been answered. It avoids most debates over meanings of words by usually sticking to simpler and less controversial words than qualia, and only using the word consciousness in ways that are relatively uncontroversial.
The book is short and readable, yet the important parts of it are concise enough that it could be adequately expressed in a shorter essay.

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