Exploring Nostalgia and Its Complex Effects on Happiness and Worldview

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Discover the origins of nostalgia from a Swiss physician's study on traumatised soldiers and explore how it can bring happiness as people age, while cautioning against the risks of idealising the past and limiting present perspectives through biased recollections.

Charan Ranganath is a psychologist and neuroscientist at UC Davis, specializing in human memory. He is the author of a new book titled Why We Remember. Please support this podcast by checking out our sponsors:
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Transcript: https://lexfridman.com/charan-ranganath-transcript

EPISODE LINKS:
Charan’s X: https://x.com/CharanRanganath
Charan’s Instagram: https://instagram.com/thememorydoc
Charan’s Website: https://charanranganath.com
Why We Remember (book): https://amzn.to/3WzUF6x
Charan’s Google Scholar: https://scholar.google.com/citations?user=ptWkt1wAAAAJ
Dynamic Memory Lab: https://dml.ucdavis.edu/

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OUTLINE:
Here’s the timestamps for the episode. On some podcast players you should be able to click the timestamp to jump to that time.
(00:00) – Introduction
(10:18) – Experiencing self vs remembering self
(23:59) – Creating memories
(33:31) – Why we forget
(41:08) – Training memory
(51:37) – Memory hacks
(1:03:26) – Imagination vs memory
(1:12:44) – Memory competitions
(1:22:33) – Science of memory
(1:37:48) – Discoveries
(1:48:52) – Deja vu
(1:54:09) – False memories
(2:14:14) – False confessions
(2:18:00) – Heartbreak
(2:25:34) – Nature of time
(2:33:15) – Brain–computer interface (BCI)
(2:47:19) – AI and memory
(2:57:33) – ADHD
(3:04:30) – Music
(3:14:15) – Human mind