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Chapter 05 of 5

Biological Naturalism

Is consciousness a biological miracle?

1. The Final Verdict

   Biological Naturalism

   Searle’s ultimate conclusion states that consciousness is a biological phenomenon, much like digestion or photosynthesis. It is a product of specific physical processes.

2. Organic Roots

   Brains as Organs

   To Searle, the brain isn't just a container for a program; it is a physical organ with unique 'causal powers.' These powers create the subjective experience of thinking.

3. Digital Limits

   Hardware vs. Biology

   While a computer can simulate the chemical reactions of a stomach, it cannot actually digest food. Searle argues the same applies to the brain and thought.