#109 Dr Wendy Suzuki: How The Hippocampus Weaves Your Memories Into Consciousness

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Dr Wendy Suzuki is a Neuroscientist and Professor at New York University whose lab was the first to capture neurons firing as new memories are born. Her TED talk has over 65 million views, and she's the author of Good Anxiety and Healthy Brain, Happy Life.

The hippocampus isn't just where memories are stored — it's the structure that builds your internal model of reality, imagines futures you've never lived, and may be the engine that constructs your sense of self.

Expect to learn how place cells and grid cells map your world inside your skull, why people without a hippocampus can't imagine a tropical beach, how memories become models and models become selves, what the default mode network reveals about consciousness, how exercise physically grows new brain cells even into your 90s, why the boundary between memory and imagination is far blurrier than you think, and much more…

Timestamps:

04:31 The Hippocampus: The Brain Structure That Makes You You

07:01 Patient H.M.: The Most Famous Brain Surgery in History

11:28 Place Cells, Grid Cells, and the Nobel Prize for Mapping Reality

17:18 The Patients Who Can't Imagine a Tropical Beach

20:41 Is Memory Just a Type of Imagination?

24:44 Aphantasia: The People With No Mind's Eye

28:55 The People Who Can't Forget Anything

36:39 Reconsolidation: Why Remembering Makes Memories Vulnerable

42:46 Marian Diamond and the Discovery of Brain Plasticity

46:53 Autocatalytic Closure: How Memories Become Ideas

51:44 Time Cells: How Your Brain Tracks "When"

55:42 What the Hippocampus Does While You Sleep

59:34 The All-Nighter Experiment: From A Grades to F Grades

01:03:47 Does the Brain Replay Emotions During Sleep?

01:07:01 The Amygdala, Fear Conditioning, and Joy Conditioning

01:13:13 What Is Consciousness and Does the Hippocampus Create It?

01:14:38 Clive Wearing: New Consciousness Every Seven Seconds

01:19:30 The Dream Experiment and Optimizing Your Brain for Life

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