Koch, C.: Consciousness : confessions of a romantic reductionist (2012)
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- Footnote
- Rez. in: The New York Review of Books, 10.01.2013 ( J. Searle): "The problem of consciousness remains with us. What exactly is it and why is it still with us? The single most important question is: How exactly do neurobiological processes in the brain cause human and animal consciousness? Related problems are: How exactly is consciousness realized in the brain? That is, where is it and how does it exist in the brain? Also, how does it function causally in our behavior? To answer these questions we have to ask: What is it? Without attempting an elaborate definition, we can say the central feature of consciousness is that for any conscious state there is something that it feels like to be in that state, some qualitative character to the state. For example, the qualitative character of drinking beer is different from that of listening to music or thinking about your income tax. This qualitative character is subjective in that it only exists as experienced by a human or animal subject. It has a subjective or first-person existence (or "ontology"), unlike mountains, molecules, and tectonic plates that have an objective or third-person existence. Furthermore, qualitative subjectivity always comes to us as part of a unified conscious field. At any moment you do not just experience the sound of the music and the taste of the beer, but you have both as part of a single, unified conscious field, a subjective awareness of the total conscious experience. So the feature we are trying to explain is qualitative, unified subjectivity.
Erwiderung von C. Koch u. G. Tononi in: The New York Review of Books, 07.03.2013 [https://www.nybooks.com/articles/2013/03/07/can-photodiode-be-conscious/?pagination=false&printpage=true] mit einer weiteren Erwiderung von J. Searle.
