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#156 - Smell and Memory

19 de octubre de 2026 · 29 min

Notas del episodio

Examining the "Proust phenomenon," Matt reveals how smell acts as a direct portal to our past. Unlike sight or hearing, olfaction bypasses the brain's typical sensory relay and connects directly to memory centers like the hippocampus. This explains why a simple scent can trigger vivid, emotional childhood memories far better than visual or verbal cues.

Matt also examines the clinical impacts of smell loss, particularly post-COVID-19, noting its effects on brain structure and mental well-being. He shares research on olfactory training as therapy, offers tips for using scent to boost studying and sleep-based memory retention, and shows why struggling to name a scent actually deepens memory recall.

Please note that Matt is not a medical doctor, and none of the content in this podcast should be considered medical advice in any way, shape, or form, nor prescriptive in any way.


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As always, if you have thoughts or feedback you’d like to share, please reach out to Matt:

Matt: Instagram @drmattwalker, X @sleepdiplomat,

YouTube: https://www.youtube.com/@sleepdiplomat



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