Before language, before heartbeat, there was rhythm - the pulse that shaped both cosmos and consciousness. In this episode of The Observable Unknown, Dr. Juan Carlos Rey of crowscupboard.com explores the hidden architecture of the mind’s music: the neural oscillations and neurochemical cadences that give rise to awareness itself.

Drawing on research by György Buzsáki (New York University), Earl Miller (MIT), Christof Koch (Allen Institute for Brain Science), Laura Colgin (University of Texas at Austin), and Patricia Locke (UCLA), Dr. Rey examines how gamma, theta, alpha, and delta waves synchronize the brain’s electrical ensembles with the biochemistry of gamma-aminobutyric acid, glutamate, and acetylcholine.

Through this rhythmic interplay, thought becomes chord, perception becomes phrase, and emotion becomes harmony. From Miller’s discovery that working memory depends on oscillatory phase-locking, to Colgin’s finding that hippocampal rhythms toggle between recalling the past and composing the future, we begin to see cognition as a living composition - part science, part symphony.

Listeners are invited to consider a provocative question: what if consciousness is not computation but composition? When neurons resonate in phase, awareness coheres; when coherence breaks, selfhood dissolves into silence. Neural Oscillations and the Biochemistry of Rhythm reveals the mind not as machinery but as music - an improvisation between ions and intention.

Follow Dr. Juan Carlos Rey on LinkedIn and X (@DrJuanCarlorRey), or share reflections at [email protected].
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