What if time is not something we merely observe, but something the body actively creates?

In this interlude of The Observable Unknown, Dr. Juan Carlos Rey explores the neuroscience of subjective time - how stress, trauma, and emotional regulation reshape our internal sense of urgency, duration, and presence. Drawing from contemporary research in neuroendocrinology and cognitive neuroscience, this episode examines why moments race during crisis, slow during depression, and fracture under trauma.

Listeners are guided through the physiology of time perception, including the role of cortisol rhythms, autonomic nervous system balance, and allostatic load. The episode considers how chronic stress collapses the future into the present, why trauma distorts temporal continuity, and how depressive states thicken time into a heavy, motionless now. Rather than treating time as a neutral external measure, this interlude reframes it as a felt experience shaped by safety, threat, and nervous system regulation.

With characteristic clarity and restraint, Dr. Rey integrates the work of leading researchers in temporal perception and stress physiology to illuminate a profound insight: our relationship to time is inseparable from our relationship to the body. When the nervous system is settled, time opens. When it is threatened, time contracts or stalls.

This episode is particularly resonant for listeners interested in neuroscience, trauma studies, psychology, stress regulation, and the lived experience of anxiety or depression. It offers a grounded, compassionate lens for understanding why time itself can feel like an adversary - and how recalibrating the nervous system may quietly restore temporal coherence.

The Observable Unknown is a podcast exploring consciousness at the intersection of neuroscience, culture, and lived experience. It is written and hosted by Dr. Juan Carlos Rey of drjuancarlosrey.com and crowscupboard.com, an interdisciplinary scholar whose work bridges neuroscience, philosophy, and the interior dimensions of human experience.