When you hear yourself think, who do you believe is speaking?

In this interlude of The Observable Unknown, Dr. Juan Carlos Rey explores inner speech as a neurological, psychological, and philosophical phenomenon. Drawing on the work of Lev Vygotsky, contemporary neuroimaging research on Broca’s region, Wernicke’s area, the supplementary motor area, and auditory cortex, and the provocative hypothesis of Julian Jaynes, this episode examines how language becomes internalized, how thought acquires a voice, and how the sense of self may emerge from dialogue rather than silence.

Listeners are guided through research on subvocalization, working memory, and the phonological loop, alongside clinical studies on auditory verbal hallucinations and contemplative practices that soften or reshape inner narration. The episode contrasts pathology with practice, showing how the same neural machinery that produces distressing voices can, under other conditions, be trained toward clarity, restraint, and presence.

Rather than treating the inner voice as a flaw or illusion, this interlude frames it as a living inheritance of social speech, cultural memory, and biological function. Thought may not be a solitary act, but a chorus negotiated within the brain.

The Observable Unknown is an intellectual and contemplative series hosted by Dr. Juan Carlos Rey of crowscupboard.com, exploring consciousness at the intersection of neuroscience, philosophy, myth, and lived experience.

For reflections or questions, write to [email protected] or text 3366755836.