the various aspects of energy flow can be examined as a possible ‘substrate’ of mind. Energy flow, be it that of the electrochemical flow in our head’s brain or the photons of light reflected from this book to your eyes, has certain properties we’ve seen that can be the stuff of mind.
Siegel argues that energy flow, in all its physical manifestations, constitutes the foundational substrate from which mind, consciousness, and information processing are constructed.
, The Developing Mind: How Relationships and the Brain Interact to Shape Who We Are, 2020thesis