Consciousness and the Social Brain
Another book I absolutely must read but don’t have time: Michael S. A. Graziano’s Consciousness and the Social Brain (2013, Oxford Univ. Press) I scanned the summary page that encapsulates his theory of consciousness:
I will reproduce the text here:
SPECULATIVE EVOLUTIONARY TIMELINE OF CONSCIOUSNESS
The theory at a glance: from selective signal enhancement to consciousness.
About half a billion years ago, nervous systems evolved an ability to enhance the most pressing of incoming signals. Gradually, this attentional focus came under top-down control. To effectively predict and deploy its own attentional focus, the brain needed a constantly updated simulation of attention. This model of attention was schematic and lacking in detail. Instead of attributing a complex neuronal machinery to the self, the model attributed to the self an experience of X—the property of being conscious of something. Just as the brain could direct attention to external signals or internal signals, that model…
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