Brain 2 - Marvel EDU

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Practice Listening: Highlight Correct Summary ID: #30166 Medium Brain 2

Instructions ›

You will hear a recording. Click on the paragraph that best relates to the recording.

Transcript:

If you designed an almost perfect anti-brain learning environment. It would look something like a typical class room. And if you were to design an almost perfect anti-brain working environment, it looks something like a typical office cubicle. Why? Because tiny proteins called BDNFs are actually created when you exercise, and these help the brain to develop. So, exercise boosts brainpower.
The problem lies in the fact that we measure distance today in terms of the space between the refrigerator, the bathroom and the couch. Says Robert Hutchins, “Whenever I feel like exercise, I lie down until the feeling passes.” Our ancestors on the other hand, walked an average of twelve miles a day. And hence their brain developed as a survival organ that was designed to solve problems in an unstable environment, in almost constant motion. If our ancestors had lain around well let's just say that survival didn't favour the sedentary types.
So, what are we to do? if I were an employer, I'd want the workplace environment to encourage exercise, to boost my employee’s brainpower.

* Click on the correct answer

Brainpower is a survival technique that helped our ancestors. They had to do a lot of exercise and this creates proteins called BDNFs, which help the brain to develop. This is how humans have survived for so long and been so much more successful than other species. People who work or study in modern classrooms or offices don't get much exercise. Nowadays many people do little except sit and lie down, which isn't good for proteins in the brain. This contrasts with our ancestors, who walked around 12 miles each day in their struggle for survival. Modern classrooms and offices don't help people's brains to work well. This is because they discourage exercise. Exercise boosts brainpower because during exercise the brain produces a protein that encourages brain development. Our ancestors did a lot more exercise than us and this helped them to survive. Our brains produce a special protein when we exercise, which helps the brain to grow and develop. This chemical was important for our ancestors due to the unstable and fast-moving environment in which they lived. However, in our current environment, we get this protein in other ways.

Result:

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Option 3: "Modern classrooms and offices don't help people's brains to work well. This is because they discourage exercise. Exercise boosts brainpower because during exercise the brain produces a protein that encourages brain development. Our ancestors did a lot more exercise than us and this helped them to survive."

Explanation: This option accurately summarizes the text by highlighting the negative impact of modern environments on exercise and brain function. It clearly states that exercise boosts brainpower through the production of BDNFs, aligning with the text's main idea about the importance of physical activity for brain development.

Option 1: "Brainpower is a survival technique that helped our ancestors. They had to do a lot of exercise and this creates proteins called BDNFs, which help the brain to develop. This is how humans have survived for so long and been so much more successful than other species."

Explanation: This option incorrectly emphasizes survival as a technique rather than a result of exercise and brain development. While it mentions BDNFs, it does not accurately reflect the text's focus on the negative impact of modern environments on exercise and brainpower.

Option 2: "People who work or study in modern classrooms or offices don't get much exercise. Nowadays many people do little except sit and lie down, which isn't good for proteins in the brain. This contrasts with our ancestors, who walked around 12 miles each day in their struggle for survival."

Explanation: Although this option touches on the lack of exercise in modern environments, it fails to connect the idea of exercise boosting brainpower directly to the production of BDNFs. It also does not encapsulate the main argument about how modern settings discourage exercise.

Option 4: "Our brains produce a special protein when we exercise, which helps the brain to grow and develop. This chemical was important for our ancestors due to the unstable and fast-moving environment in which they lived. However, in our current environment, we get this protein in other ways."

Explanation: This option incorrectly suggests that we obtain the protein in other ways in modern environments, which contradicts the text's emphasis on the lack of exercise in contemporary settings. It also does not fully capture the main argument regarding the detrimental effects of modern environments on brainpower.

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