Why Time Feels Faster Every Year: The Math Behind It
Chapter 1

The proportional theory of time

Chapter 2

The busy brain and memory making

Chapter 3

Biological clocks and heartbeats

Chapter 4

The cultural speedup of modern life

YOUR GOAL

Master of Why time flies as we age

Ch 2 · The busy brain and memory making
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dash The fading of first-time life experiences

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dash Proportional Time Theory

Why do the days fly so fast? (It's a shrinking fraction of your past, oh yeah!)

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dash The oddball effect and temporal stretching

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The oddball effect and temporal stretching

dash Unfamiliar or surprising sights temporarily slow down our brain's perception of time.

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Dopamine and the brain's internal clock

dash The chemical messenger dopamine acts as a metronome, regulating how fast we process time.

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How Time Flies
BETA

dash Drag the age slider to discover the math of why time feels faster every year.

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Fun Fact

Brain energy: Your brain uses about 20% of your body's energy, and it actively conserves this energy by ignoring repetitive, predictable sights and sounds.

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Glossary
novelty (noun)
The quality of being new, original, or unusual. In 1890, William James wrote that unfamiliar events prompt the brain to encode highly detailed, lasting memories.

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Gossip

Which childhood year felt the absolute longest to you?

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Quiz

What is the psychological phenomenon where a surprising image or event seems to last longer than expected?

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dash Dopamine and the brain's internal clock

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Quiz

Which neurotransmitter acts as the brain's internal metronome, regulating our time perception?

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dash How daily routines compress our memories

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Quiz

What percentage of the body's total energy does the human brain consume?

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Quiz

Why does the human brain compress routine activities like daily commutes in retrospect?

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Quiz

What kind of neural pathways make childhood feel slower and more memorable?

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Quiz

How do high dopamine levels in youth affect our perception of the external world?

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Quiz

When the human brain goes on autopilot during repetitive tasks, what happens to those memories?

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Quiz

Which neuroscientist conducted famous experiments on time perception using the oddball effect?

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