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CNN: AI’s Effects On The Brain

Omar Jimenez, on The Brief with Jim Sciutto

 

    In a recent CNN¹ interview, MIT’² s Dr. Nataliya Kosmyna shared findings from a new study showing that relying solely on AI for tasks like writing can reduce brain activity and memory. The research highlights how overusing AI³ tools like ChatGPT may impact how we think – and why human effort still matters.

 

    Transcript

 

    OMAR JIMENEZ: Meanwhile, a new study from MIT is raising the alarm about how AI impacts learning and how convenience could come at a cost for your brain. The study looked at essay writing across three groups, people using AI, a search engine, or just their own brain power. That last group, no tools at all, showed the strongest brain activity plus better memory recall. They were followed by the search engine users and in last place, people relying on AI.

    Now, as students and workers become more and more dependent on tools like ChatGPT, it does raise a lot of questions about the future of how we think.

    Joining me now is Nataliya Kosmyna lead author on the study. Thank you for being here. Can you just explain what you learned from this study? Did it surprise you?

(https://www.media.mit.edu. Acesso em 21.07.2025. Adaptado)

 

GLOSSÁRIO:
^1.CNN: canal de noticiário na televisão e mídias.
^2.  MIT: Massachusetts Institute of Technology, uma universidade de pesquisa nos Estados Unidos.
^3.AI (artificial intelligence): inteligência artificial.

O termo it em “it does raise a lot of questions” refere-se

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CNN: AI’s Effects On The Brain

Omar Jimenez, on The Brief with Jim Sciutto

 

    In a recent CNN¹ interview, MIT’² s Dr. Nataliya Kosmyna shared findings from a new study showing that relying solely on AI for tasks like writing can reduce brain activity and memory. The research highlights how overusing AI³ tools like ChatGPT may impact how we think – and why human effort still matters.

 

    Transcript

 

    OMAR JIMENEZ: Meanwhile, a new study from MIT is raising the alarm about how AI impacts learning and how convenience could come at a cost for your brain. The study looked at essay writing across three groups, people using AI, a search engine, or just their own brain power. That last group, no tools at all, showed the strongest brain activity plus better memory recall. They were followed by the search engine users and in last place, people relying on AI.

    Now, as students and workers become more and more dependent on tools like ChatGPT, it does raise a lot of questions about the future of how we think.

    Joining me now is Nataliya Kosmyna lead author on the study. Thank you for being here. Can you just explain what you learned from this study? Did it surprise you?

(https://www.media.mit.edu. Acesso em 21.07.2025. Adaptado)

 

GLOSSÁRIO:
^1.CNN: canal de noticiário na televisão e mídias.
^2.  MIT: Massachusetts Institute of Technology, uma universidade de pesquisa nos Estados Unidos.
^3.AI (artificial intelligence): inteligência artificial.

De acordo com o texto, dos grupos pesquisados, o que mostrou uma melhor atividade cerebral foi o que usou

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Climate change is happening

 

    Climate change is already affecting every region on Earth. Changes in rain cycles, rising sea levels, melting glaciers, a warming ocean, and more frequent and intense extreme weather events are now impacting millions of people.

    Climate change can affect our health, ability to grow food, housing, safety and work. Some of us are more vulnerable to climate impacts, such as people living in small islands and in poorer countries. Because of sea-level rise, for example, whole communities have had to move to other places. In the future, the number of people displaced by climate change is expected to go up.

    The changes in the climate are everywhere, rapid and intensifying, and some of the changes, such as sea-level rise or melting ice sheets, are irreversible over hundreds to thousands of years.

(www.un.org/en. Acesso em 30.07.2025. Adaptado)

No trecho do segundo parágrafo — Some of us are more vulnerable to climate impacts, such as people living in small islands and in poorer countries. —, a expressão “such as” introduz

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Climate change is happening

 

    Climate change is already affecting every region on Earth. Changes in rain cycles, rising sea levels, melting glaciers, a warming ocean, and more frequent and intense extreme weather events are now impacting millions of people.

    Climate change can affect our health, ability to grow food, housing, safety and work. Some of us are more vulnerable to climate impacts, such as people living in small islands and in poorer countries. Because of sea-level rise, for example, whole communities have had to move to other places. In the future, the number of people displaced by climate change is expected to go up.

    The changes in the climate are everywhere, rapid and intensifying, and some of the changes, such as sea-level rise or melting ice sheets, are irreversible over hundreds to thousands of years.

(www.un.org/en. Acesso em 30.07.2025. Adaptado)

O título do texto — Climate change is happening — e a primeira frase — Climate change is already affecting every region on Earth — mostram, por meio do uso do tempo verbal, que a mudança climática

Leia o título de uma notícia sobre o ChatGPT publicada no jornal The New York Times.

 

Sam Altman, the chatgpt king, isn’t worried, but he knows you might be

(https://www.nytimes.com/. Acesso em 20.06.25. Adaptado)

 

O título sugere que Sam Altman, um dos desenvolvedores da ferramenta mencionada,

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Artificial inteligence (AI) and education

    We’re still learning how Artificial Intelligence (AI) technologies will integrate into the education sector as they develop, and we don’t yet have a full picture of how AI will affect some critical issues. Before we dive into AI’s function in the education space, let’s define this technology in general terms. Artificial intelligence allows machines to execute tasks that have traditionally required human cognition. They can make decisions, solve problems, understand and mimic natural language and learn from free data.

    OpenAI’s release of ChatGPT — a natural language processing chatbot — in the fall of 2022 brought AI to many people’s attention for the first time. However, AI tools have been part of our lives for years. If you’ve ever played chess against a bot, consulted a virtual assistant like Siri or Alexa or even gone through your social media feed, you’ve already interacted with artificial intelligence.

(https://www.forbes.com/. Acesso em 26.06.2025. Adaptado)

De acordo com o texto, é possível afirmar que Inteligência Artificial