What are the key takeaways from this TED Radio Hour episode?

Key insights include: **Deep Time Perspective:** Expanding your mental time horizon beyond a human lifespan — to Earth's 2 trillion-plus sunrises or cosmic scales — can produce a grounding psychological effect. Researchers and artists working with geological and astronomical timescales report that confronting the Earth's finite but vast history reduces anxiety rather than amplifying it, reframing individual human problems as a small fraction of a larger continuum.; **Heartbeat-Time Perception Link:** A Royal Holloway University study with 67 participants found that stimuli presented during a heartbeat contraction were perceived as shorter in duration than identical stimuli presented between beats. This means deliberately slowing your heart rate through deep breathing physically expands perceived time, giving the brain longer windows to absorb information and improve situational awareness.; **Heart Rate and Cognitive State:** When heart rate accelerates, the brain shifts toward action-mode and time feels compressed. When heart rate slows, the brain shifts toward perception-mode and time expands. Practically, before high-stakes situations — meetings, decisions, performances — taking slow deep breaths to lower heart rate can measurably increase how much information you consciously process.

What did Katie Patterson discuss on TED Radio Hour?

TED Radio Hour examines how humans experience time through four perspectives: artist Katie Patterson's deep-time artwork spanning billions of years, neuroscientist Irina Arslanova's heartbeat-time perception research, conductor Robert Franz's active listening framework, and psychologist Philip Zimbardo's six-category time orientation model and its effects on decision-making. Key topics include: **Deep Time Perspective:** Expanding your mental time horizon beyond a human lifespan — to Earth's 2 trillion-plus sunrises or cosmic scales — can produce a grounding psychological effect. Researchers and artists working with geological and astronomical timescales report that confronting the Earth's finite but vast history reduces anxiety rather than amplifying it, reframing individual human problems as a small fraction of a larger continuum.; **Heartbeat-Time Perception Link:** A Royal Holloway University study with 67 participants found that stimuli presented during a heartbeat contraction were perceived as shorter in duration than identical stimuli presented between beats. This means deliberately slowing your heart rate through deep breathing physically expands perceived time, giving the brain longer windows to absorb information and improve situational awareness..

How long is this episode of TED Radio Hour?

This episode is 49 minutes long. SignalCast provides an AI-generated summary so you can get the key insights in about 3 minutes.

TED Radio Hour

How we experience time

October 23, 2026

49 min episode · 2 min read

Katie Patterson

Episode

49 min

Read time

2 min

Topics

Health & Wellness, Relationships, Fundraising & VC

AI-Generated Summary

Published Oct 23, 2026

Key Takeaways

✓Deep Time Perspective: Expanding your mental time horizon beyond a human lifespan — to Earth's 2 trillion-plus sunrises or cosmic scales — can produce a grounding psychological effect. Researchers and artists working with geological and astronomical timescales report that confronting the Earth's finite but vast history reduces anxiety rather than amplifying it, reframing individual human problems as a small fraction of a larger continuum.
✓Heartbeat-Time Perception Link: A Royal Holloway University study with 67 participants found that stimuli presented during a heartbeat contraction were perceived as shorter in duration than identical stimuli presented between beats. This means deliberately slowing your heart rate through deep breathing physically expands perceived time, giving the brain longer windows to absorb information and improve situational awareness.
✓Heart Rate and Cognitive State: When heart rate accelerates, the brain shifts toward action-mode and time feels compressed. When heart rate slows, the brain shifts toward perception-mode and time expands. Practically, before high-stakes situations — meetings, decisions, performances — taking slow deep breaths to lower heart rate can measurably increase how much information you consciously process.
✓Bob's Four Active Listening Tools: Conductor Robert Franz developed a framework for engaging with classical music using four sequential screens: rhythm (does it align with or oppose your heartbeat?), melody (does it have a clear arc?), texture (how do layered instrument colors blend?), and visual observation of nonverbal musician coordination. Applying all four tools simultaneously causes time to disappear, as his father reported a 30-minute symphony felt too short.
✓Zimbardo's Optimal Time Profile: Psychologist Philip Zimbardo identified six time orientations — past positive, past negative, present hedonist, present fatalist, future-goal-oriented, and transcendental future. His research-backed optimal balance is high past-positive, moderately high future orientation, and moderate present hedonism, while keeping past-negative and present-fatalist tendencies low. Excess future orientation specifically costs family time, sleep, hobbies, and measurable health outcomes.

What It Covers

TED Radio Hour examines how humans experience time through four perspectives: artist Katie Patterson's deep-time artwork spanning billions of years, neuroscientist Irina Arslanova's heartbeat-time perception research, conductor Robert Franz's active listening framework, and psychologist Philip Zimbardo's six-category time orientation model and its effects on decision-making.

Key Questions Answered

•Deep Time Perspective: Expanding your mental time horizon beyond a human lifespan — to Earth's 2 trillion-plus sunrises or cosmic scales — can produce a grounding psychological effect. Researchers and artists working with geological and astronomical timescales report that confronting the Earth's finite but vast history reduces anxiety rather than amplifying it, reframing individual human problems as a small fraction of a larger continuum.
•Heartbeat-Time Perception Link: A Royal Holloway University study with 67 participants found that stimuli presented during a heartbeat contraction were perceived as shorter in duration than identical stimuli presented between beats. This means deliberately slowing your heart rate through deep breathing physically expands perceived time, giving the brain longer windows to absorb information and improve situational awareness.
•Heart Rate and Cognitive State: When heart rate accelerates, the brain shifts toward action-mode and time feels compressed. When heart rate slows, the brain shifts toward perception-mode and time expands. Practically, before high-stakes situations — meetings, decisions, performances — taking slow deep breaths to lower heart rate can measurably increase how much information you consciously process.
•Bob's Four Active Listening Tools: Conductor Robert Franz developed a framework for engaging with classical music using four sequential screens: rhythm (does it align with or oppose your heartbeat?), melody (does it have a clear arc?), texture (how do layered instrument colors blend?), and visual observation of nonverbal musician coordination. Applying all four tools simultaneously causes time to disappear, as his father reported a 30-minute symphony felt too short.
•Zimbardo's Optimal Time Profile: Psychologist Philip Zimbardo identified six time orientations — past positive, past negative, present hedonist, present fatalist, future-goal-oriented, and transcendental future. His research-backed optimal balance is high past-positive, moderately high future orientation, and moderate present hedonism, while keeping past-negative and present-fatalist tendencies low. Excess future orientation specifically costs family time, sleep, hobbies, and measurable health outcomes.

Notable Moment

Conductor Robert Franz described how his father, after applying all four active listening tools during a 30-minute world-premiere symphony, came backstage complaining the piece was too short — demonstrating that structured cognitive engagement with music can eliminate conscious time awareness entirely.

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Episode Transcript

This episode sponsor is HubSpot, which offers the following message. What if instead of updating your CRM, your CRM updated you? HubSpot's self updating CRM keeps your customer context current so you can win more deals. Learn more at hubspot.com. This is the TED Radio Hour. Each week, groundbreaking TED Talks. Our job now is to dream big. Delivered at TED conferences To bring about the future we want to see. Around the world. Understand who we are. From those talks, we bring you speakers and ideas that will surprise you. You just don't know what you're gonna find. Challenge you. We truly have to ask ourselves, like, why is it noteworthy? And even change you. I literally feel like I'm a different person. Yes. Do you feel that way? Ideas worth spreading. From Ted and NPR. I'm Manoush Zamorodi. On the show today, how we experience time. And we are starting with a call to an old friend. And I mean a really old friend, one who is thousands of years old. This was an idea that artist Katie Patterson had in 2007 while she was living in Iceland. Yeah. So I made an artwork where I put a microphone deep inside a melting glacier in Iceland, Vatnajukul. Vatnajukul is the largest glacier in Iceland. It covers around 10% of the country, and it is ancient. Its formation began during the last ice age, so, like, over a 100,000 years ago, and then its current shape forming about 1,500 years ago. So it's it's really old. And Katie wanted people to be able to hear it. And so I'd set up a live phone line so people all over the world could dial this number and be connected live to the sound of this glacier slowly melting away. So it kind of collapsed the distance and the time between us and our human earthly time and this ancient melting, thawing glacier, and that's existed for so long, but yet it's melting so much faster than than ever just now. I have to ask, how the heck did you get the microphone inside the glacier? It was a challenge. Yeah. We used a hydrophone, underwater microphone, and I camped by the glacier with a lot of equipment. And therefore, I was able to watch actually the phone numbers coming into the the phone from The UK to China and India and even Iraq, and imagining all of these different people calling in to to listen to this freezing, melting glacier. Of course, there's something that's happening to glaciers now that wasn't happening for the majority of the Earth's history, which is that they are melting rapidly. Was that the idea to help people connect to actually be able to hear what that sounds like? Yeah. Absolutely. So putting a phone line in was trying to make a kind of intimate connection really, with with the glacier and allowing people to listen one at a time because, if you dialed and …

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