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Science Magazine Podcast

Why babies forget, and how fear lingers in the brain

Science Magazine Podcast

Science Podcast

News Commentary, News, Science

4.2791 Ratings

🗓️ 14 March 2024

⏱️ 30 minutes

🧾️ Download transcript

Summary

Investigating “infantile amnesia,” and how generalized fear after acute stress reflects changes in the brain   This week we have two neuroscience stories. First up, freelance science journalist Sara Reardon looks at why infants’ memories fade. She joins host Sarah Crespi to discuss ongoing experiments that aim to determine when the forgetting stops and why it happens in the first place.   Next on the show, Hui-Quan Li, a senior scientist at Neurocrine Biosciences, talks with Sarah about how the brain encodes generalized fear, a symptom of some anxiety disorders such as social anxiety and post-traumatic stress disorder.   This week’s episode was produced with help from Podigy.   About the Science Podcast   Authors: Sarah Crespi; Kevin McLean; Sara Reardon   Episode page: https://www.science.org/doi/10.1126/science.z9bqkyc Learn more about your ad choices. Visit megaphone.fm/adchoices

Transcript

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0:00.0

Morgan State University, a Baltimore, Maryland Carnegie R2 doctoral research institution,

0:05.0

offers more than 100 academic programs and awards degrees at the Bacclureate, Masters, and Doctoral

0:11.4

Levels, is furthering their mission of growing the future leading the world.

0:16.0

Morgan continues to address the needs and challenges of the modern urban environment.

0:20.0

With a four-year quadrupling

0:22.3

of research, more than a dozen new doctoral programs, and eight new National Centers of Excellence,

0:28.4

Morgan is positioned to achieve Carnegie R1 designation in the next five years. To learn more about

0:34.5

Morgan and their ascension to R1, visit morgan.edu slash research.

0:40.4

This podcast is supported by the Icon School of Medicine at Mount Sinai, one of America's leading research medical schools.

0:48.0

Icon Mount Sinai is the academic arm of the eight hospital Mount Sinai health system in New York City.

0:55.9

It's consistently among the top recipients of NIH funding. Researchers at ICONMount Sinai have made breakthrough discoveries in many

1:02.1

fields vital to advancing the health of patients, including cancer, COVID and long COVID,

1:08.7

cardiology, neuroscience, and artificial intelligence.

1:12.5

The Icon School of Medicine at Mount Sinai, we find a way.

1:22.1

This is a science podcast for March 15th, 2024. I'm Sarah Cresby. We have two neuroscience stories this week.

1:30.1

First up, freelancer Sarah Reardon asks, why do infants memories fade? We discuss ongoing experiments

1:36.6

that are looking to pin down the hows and whys of infantile amnesia. Next on the show,

1:42.7

more brain stuff. Researcher Hway Kwan Lee is here to talk about

1:46.6

how the brain encodes generalized fear. This is a symptom of some anxiety disorders like

1:52.7

social anxiety and PTSD. I think my earliest memory is from when I was just about two, two years old. I'm sitting or maybe

2:05.9

walking on this like mustery brown carpet. Turns out though that this is probably not a real memory,

2:13.4

but something that I picked up from photos or descriptions of the place that I was living right when my younger sister was born.

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