Neuroscientist Explains Selective Memory (Charan Ranganath)

Neuroscientist Explains Selective Memory (Charan Ranganath)

A new understanding of memory is emerging from the latest scientific research. In Why We Remember, pioneering neuroscientist and psychologist Charan Ranganath radically reframes the way we think about the everyday act of remembering. Combining accessible language with cutting-edge research, he reveals the surprising ways our brains record the past and how we use that information to understand who we are in the present, and to imagine and plan for the future.

Memory, Dr. Ranganath shows, is a highly transformative force that shapes how we experience the world in often invisible and sometimes destructive ways. Knowing this can help us with daily remembering tasks, like finding our keys, and with the challenge of memory loss as we age. What’s more, when we work with the brain’s ability to learn and reinterpret past events, we can heal trauma, shed our biases, learn faster, and grow in self-awareness.

Including fascinating studies and examples from pop culture, and drawing on Ranganath’s life as a scientist, father, and child of immigrants, Why We Remember is a captivating read that unveils the hidden role memory plays throughout our lives. When we understand its power—and its quirks—we can cut through the clutter and remember the things we want to remember. We can make freer choices and plan a happier future.

Charan Ranganath is a Professor at the Center for Neuroscience and Department of Psychology and director of the Dynamic Memory Lab at the University of California at Davis. For over 25 years, Dr. Ranganath has studied the mechanisms in the brain that allow us to remember past events, using brain imaging techniques, computational modeling and studies of patients with memory disorders. He has been recognized with a Guggenheim Fellowship and a Vannevar Bush Faculty Fellowship. He lives in Davis, California. Outside of neuroscience, Dr. Ranganath is also a songwriter and guitarist with a number of recording credits, including a song on a feature film soundtrack.

Shermer and Ranganath discuss: how memories are stored by neurons • forgetting — memory in there somewhere or lost forever? • episodic, semantic, working, flashbulb, long-term, and short-term memory • recovered memories vs. false memories + confabulation, conflation • Alzheimer’s, dementia, senility • PTSD and bad memories • déjá vu • memory triggers • learning as a form of memory • social memories (extended self) • MEMself vs. POVself • uploading memories into the cloud • improving memory: what works, what doesn’t.

Episoder(563)

174. Jordan Peterson — Beyond Order: 12 More Rules for Life

174. Jordan Peterson — Beyond Order: 12 More Rules for Life

Join Michael Shermer and Jordan Peterson (bestselling author of 12 Rules for Life) for this extraordinary conversation based on Peterson’s new book Beyond Order. After working for decades as a clinical psychologist and a professor at Harvard and the University of Toronto, Peterson has become one of the world’s most influential public intellectuals. His YouTube videos and podcasts have gathered a worldwide audience of hundreds of millions, and his global book tour reached more than 250,000 people in major cities across the globe. What is it that gives Peterson’s message such mass appeal?

20 Apr 20212h 49min

173. Naomi Oreskes — Why Trust Science?

173. Naomi Oreskes — Why Trust Science?

In this interview, based on her landmark book, Why Trust Science?, historian of science Naomi Oreskes offers a bold and compelling defense of science, revealing why the social character of scientific knowledge is its greatest strength — and the greatest reason we can trust it. Drawing vital lessons from cases where scientists got it wrong, Oreskes shows how consensus is a crucial indicator of when a scientific matter has been settled, and when the knowledge produced is likely to be trustworthy.

17 Apr 20211h 45min

172. Andrew Doyle — Free Speech: And Why it Matters

172. Andrew Doyle — Free Speech: And Why it Matters

Political Correctness has formed the basis for a new intolerant mindset, actively policing speech that is deemed offensive or controversial. Rather than confront bad ideas through discussion, it has now become common to intimidate one’s detractors into silence. Taking on board legitimate concerns about how speech can be harmful, Andrew Doyle argues that the alternative — an authoritarian world in which our freedoms are surrendered to those in power — has far worse consequences.

13 Apr 20212h 15min

171. John Mueller — The Stupidity of War: American Foreign Policy and the Case for Complacency

171. John Mueller — The Stupidity of War: American Foreign Policy and the Case for Complacency

In this conversation based on his new book, The Stupidity of War, political scientist John Mueller argues that American foreign policy since 1945 has been one long miscue; most international threats — including during the Cold War — have been substantially exaggerated. The result has been agony and bloviation, unnecessary and costly military interventions that have mostly failed. With international war in decline, complacency and appeasement become viable diplomatic devices and a large military is scarcely required.

10 Apr 20211h 49min

170. Michio Kaku — The God Equation: The Quest for a Theory of Everything

170. Michio Kaku — The God Equation: The Quest for a Theory of Everything

Synthesizing relativity and quantum theory would be the crowning achievement of science, a profound merging of all the forces of nature into one beautiful, magnificent equation to unlock the deepest mysteries in science. In this episode, Michael Shermer speaks with professor of theoretical physics Michio Kaku about: the Big Bang, black holes, worm holes, the multiverse, time travel, dark energy and dark matter, gravity, string theory, ETIs, meaning, and God.

6 Apr 20211h 36min

169. Jeff Hawkins — A Thousand Brains: A New Theory of Intelligence

169. Jeff Hawkins — A Thousand Brains: A New Theory of Intelligence

Michael Shermer speaks with Jeff Hawkins, cofounder of Numenta: a neuroscience research company, about his new book A Thousand Brains: A New Theory of Intelligence in which Hawkins explains how simple cells in the brain create intelligence by using maplike structures to build hundreds of thousands of models of everything we know. Listen to this in-depth dialogue about the discoveries that allow Hawkins to answer important questions about how we perceive the world, why we have a sense of self, and the origin of high-level thought.

3 Apr 20211h 47min

168. Daniel Dennett & Gregg Caruso — Just Deserts: Debating Free Will (moderated by Michael Shermer)

168. Daniel Dennett & Gregg Caruso — Just Deserts: Debating Free Will (moderated by Michael Shermer)

The concept of free will is profoundly important to our self-understanding, our interpersonal relationships, and our moral and legal practices. If it turns out that no one is ever free and morally responsible, what would that mean for society, morality, meaning, and the law? Just Deserts introduces the concepts central to the debate about free will and moral responsibility by way of an entertaining, rigorous, and sometimes heated philosophical dialogue between two leading thinkers.

30 Mar 20212h 6min

167. Gary Taubes — The Case for Keto: Rethinking Weight Control and the Science and Practice of Low-Carb/High-Fat Eating

167. Gary Taubes — The Case for Keto: Rethinking Weight Control and the Science and Practice of Low-Carb/High-Fat Eating

For years, health organizations have preached the same rules for losing weight: restrict your calories, eat less, exercise more. So why doesn’t it work for everyone? The Case for Keto puts the ketogenic diet movement in the necessary historical and scientific perspective. It makes clear the vital misconceptions in how we’ve come to think about obesity and diet. Shermer and Taubes discuss: scientific consensus, nutrition, replication, why Newtonian mechanics doesn’t work with human bodies, the physics model of calories, complicating variables, intermittent fasting, which fruits and vegetables you should consume and avoid, cholesterol, heart disease, statins, and why it is okay to have bacon-and-eggs for breakfast.

23 Mar 20211h 50min

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