24min chapter

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#982 Joseph LeDoux - The Four Realms of Existence: A New Theory of Being Human

The Dissenter

CHAPTER

Exploring the Realms of Consciousness

This chapter investigates the four realms of existence—bodily, neural, cognitive, and conscious—highlighting their evolutionary interconnections. It emphasizes the continuity of synaptic plasticity molecules across various life forms, the evolutionary underpinnings of consciousness, and the distinct advantages offered by advanced nervous systems. Furthermore, the discussion touches on the classification of consciousness, its relationship with neurobiology, and the need for empirical studies to unravel consciousness across species.

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