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The Brain-Changing Benefits of Exercise | Wendy Suzuki | TED

TED

11.7M views 8 years ago

Warm-up Questions

What brain-related benefits do you think exercise can give you?
How often do you exercise now, and what kinds of exercise do you prefer?
Why do you think a TED talk would focus on exercise and the brain (not just the body)?

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The Brain-Changing Benefits of Exercise | Wendy Suzuki | TED

Exercise as a brain-changing tool + key brain areas (00:00 – 04:30)

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1. What is the speaker mainly talking about at the beginning of the talk?

A new brain-scanning machine
A new medication that improves memory
The powerful effects of physical activity on the brain
A diet plan to prevent dementia

2. Which brain area does the speaker say is critical for forming and retaining new long-term memories for facts and events?

The cerebellum
The temporal lobe (in general)
The prefrontal cortex
The hippocampus

3. What motivated the speaker to start going to the gym?

A doctor warned her about heart disease
Her research assistant encouraged her to exercise
She felt weak on a river rafting trip and wanted to get stronger
She wanted to win a sports competition

The Brain-Changing Benefits of Exercise | Wendy Suzuki | TED

What science shows: immediate, long-lasting, and protective effects (04:30 – 09:39)

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1. What did the speaker notice after exercising regularly for a year and a half?

She no longer needed to write research grants
She became worse at remembering facts
She stopped needing sleep
She could focus and maintain attention longer than before

2. According to the talk, which chemicals increase after a single workout and can improve mood?

Calcium, iron, and potassium
Insulin, melatonin, and cortisol
Estrogen, testosterone, and adrenaline only
Dopamine, serotonin, and noradrenaline

3. What does the speaker say exercise can do in the hippocampus over time?

Eliminate all bad memories
Produce brand-new brain cells and increase hippocampal volume
Stop neurons from communicating
Replace the hippocampus with the prefrontal cortex

The Brain-Changing Benefits of Exercise | Wendy Suzuki | TED

How much exercise + practical ideas + closing activity (09:39 – 13:03)

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1. What minimum routine does the speaker give as a rule of thumb?

Three to four times a week, minimum 30 minutes per session
Once a week for 10 minutes, any activity
Every day for 2 hours, only weight training
Only weekend exercise, at least 3 hours each day

2. What type of exercise does the speaker emphasize for getting the effects (getting your heart rate up)?

Only stretching
Only meditation
Aerobic exercise
Only balance training

3. What does the speaker say exercise can change in your life at the end of the talk?

Your height in adulthood
Your eye color
Your need to learn anything new
The trajectory of your life for the better

The Brain-Changing Benefits of Exercise | Wendy Suzuki | TED

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1. Which set best matches the speaker’s three main reasons exercise is "transformative" for the brain?

It improves digestion, increases muscle size, and lowers blood pressure
It has immediate effects, long-lasting effects, and protective effects
It changes your personality instantly, permanently, and for everyone in the same way
It makes you sleep less, work more hours, and avoid stress completely

2. Why does the speaker compare exercise to a "supercharged 401k" for your brain?

Because it makes you wealthy quickly
Because you must pay money to do it
Because it only helps professional athletes
Because it is a long-term investment that helps protect you later

3. What is the speaker’s overall message?

Exercise helps the body but not the brain
Brain health is determined only by genetics
Only intense training matters for brain health
Exercise can support mood, attention, memory, and long-term brain protection

Discussion Questions

Discuss the ideas from this video

The Brain-Changing Benefits of Exercise | Wendy Suzuki | TED

The speaker says exercise has immediate, long-lasting, and protective effects. Which one motivates you most, and why?
What are realistic ways to add aerobic exercise into your week without going to a gym?
Do you think schools and workplaces should build short exercise breaks into the day? What would be the benefits and challenges?
The talk suggests exercise can improve focus and mood. What changes (if any) have you noticed in yourself after physical activity?