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Asking AI to do the hard work risks your brain health, neuroscientist warns

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Cite

Blackwood, F. (2026, September 20). Asking AI to do the hard work risks your brain health, neuroscientist warns. ABC News (AU). https://www.abc.net.au/news/2026-09-20/young-people-boycotting-ai-amid-concerns-brain-impacts/107163876

Dated when The Aporia collected the article, usually within hours of publication. Check the original for its exact date and byline.

ABC News (AU) · collected 2026-09-20 · by Fiona Blackwood

Quick Summary

A neuroscientist warns that relying heavily on AI for tasks may negatively affect brain development and cognitive functions in young people. A study involving over 26,000 Chinese students found that while AI usage increased homework scores by 18% and sped up completion times by 30%, exam scores dropped by 20% within six months. This suggests that offloading mental work to AI might undermine critical thinking skills essential for long-term brain health.
Written by AI on 2026-09-20, from this article's own text only (the story summary below draws on all the coverage).

AI analysis

Story summary

A recent study involving more than 26,000 Chinese students in grades 7 to 12 has highlighted the mixed effects of artificial intelligence on learning. The research found that AI use boosted homework scores by 18% and sped up completion times by 30%, but exam scores dropped by 20% when relying heavily on AI. Professor James Vickers, a neuroscientist, warns that offloading complex mental tasks to AI could impair the development of neural connections in young brains. Educators like Professor Kathy Mills from the Australian Catholic University advocate for teaching students to use AI critically rather than as a shortcut, emphasizing the importance of guiding student learning without just providing answers. The study suggests that integrating AI into education may necessitate rethinking how learning is assessed and delivered to mitigate potential negative impacts on cognitive development.

Written for “AI Brain Health Risks” on 2026-11-03, grounded in this article and the 0 other(s) covering the same event.

Story

📰 AI Brain Health Risks
Science · 1 article(s) covering the same event.

Compared with similar articles

This article reads unscored and hedges 24% of its claims. Each row says how that neighbour differs.
CBC News
⚖️ Leans left Hedges 3 of 57 claims Outlet record 74/100
“The articles discuss different aspects of AI usage and regulation without describing the same specific incident.”
How this article was measured signals, leaning charts, publisher record, byline, topics and claims

Signals How these are calculated →

Claims extracted
42
sentences that state something as happening or true
Uncertain
24%
10 of 42 hedged ("reportedly", "may", "according to")
Leaning
withheld
no quote in the article backed the model's score
Publisher signals
68/100
ABC News (AU)'s corrections and hedging, across everything collected from it. Not a measure of accuracy.
Outlets on this story
1
Science
Same framing elsewhere
1
articles that frame the event the way this one does
Analyzed 2026-09-20 · how these are computed

How this is being covered How these are calculated →

Article leaning vs. publisher reliability
Source leaning vs. consistency

Publisher

ABC News (AU) · 4729 article(s) · 10 correction(s) detected
Running correction rate · 10 correction(s)

Who wrote this

Fiona Blackwood
3 article(s) here · 1 carrying a prediction
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2026-09-30 · assertive framing · Mortgage pain hits Tasmanians especially hard
🔮 Chocolate prices are not expected to come down any time soon, and one smaller producer says the cost may lead to consumers eating less but higher quality chocolate.
2026-09-22 · assertive framing · High prices could change chocolate-eating habits
🔮 Some young people are boycotting the technology, while neuroscientists are worried deep thinking being increasingly offloaded to AI could impact the development of neural connections in the brain. What's next?
Also by Fiona Blackwood
Nothing else under this byline is closely related to this article, so these are simply their most recent.

Topics

China University of Tasmania

Subjects

Vickers PERSON · 3× Alexis PERSON · 1× Alexis Shegog PERSON · 1× China GPE · 1× James Vickers PERSON · 1× Kirkcaldie PERSON · 1× Matt Kirkcaldie PERSON · 1× University of Tasmania ORG · 1× circa Lutruwita ORG · 1× uni ORG · 1×

Narrative

Professor Kathy Mills, from the Institute for Learning Sciences and Teacher Education at the Australian Catholic University, said teachers want their students to use AI critically. "Both students and teachers want AI tools that are designed to do more than tell the answers, but which guide student learning," she said.
framing: mixed · carried by 1 article(s) · first seen 2026-09-20
🔮 Some young people are boycotting the technology, while neuroscientists are worried deep thinking being increasingly offloaded to AI could impact the development of neural connections in the brain. What's next?

Claims (42 extracted, 10 hedged)

In short: There are early signs the use of artificial intelligence is impacting learning, with a study finding use of the technology lifted homework results, while exam scores fell by 20 per cent. asserted
scores → be → cent
Some young people are boycotting the technology, while neuroscientists are worried deep thinking being increasingly offloaded to AI could impact the development of neural connections in the brain. What's next? uncertain
What → boycott → brain
As humans adapt to using the new tool, the rise of AI might prompt a rethink in how education is delivered and assessed. uncertain
education → adapt → rethink
"[AI] can be a great tool; it can help stimulate critical thinking, for example, if used in the right way," neuroscientist Professor James Vickers said. asserted
Vickers → help → way
But he said a recent study of students in China highlighted problems with offloading hard mental work to AI. asserted
study → say → AI
Published this year, the study of more than 26,000 students in grades 7 to 12 looked at how generative AI affected homework productivity and learning. asserted
AI → publish → productivity
It found AI use lifted homework scores by 18 per cent and improved completion times by 30 per cent. asserted
use → find → cent
But it lowered monthly exam scores by 20 per cent within six months. asserted
it → lower → months
"There is a risk with AI that it is really going to be affecting our brain function into our future lives,"Professor Vickers said. asserted
Vickers → be → lives,"Professor
AI and brain plasticity Learning and deep thinking physically alter the human brain, creating new connections between neurons. asserted
Learning → alter → neurons
It is known as brain plasticity. asserted
It → know → plasticity
"The brain almost quadruples in weight from birth to adulthood, without adding any new neurons — it's all physical change driven by learning," University of Tasmania senior neuroscience lecturer Dr Matt Kirkcaldie said. asserted
Kirkcaldie → quadruple → Tasmania
Over time, critical thinking, learning, and other cognitive tasks help build robust nerve networks that underlie what is known as cognitive reserve. asserted
what → help → reserve
"[Cognitive reserve] is your ability to resist things that negatively impact the brain, that might be stroke or brain injury, multiple sclerosis and even dementia," Professor Vickers said. uncertain
Vickers → resist → brain
Cognitive reserve is built up from early life through schooling, then higher education. asserted
reserve → build → schooling
There are concerns AI could impair the development of critical thinking skills. uncertain
AI → be → skills
"They might read the AI-generated text and understand what it says, but they never went through the struggle of working through the ideas and how they might fit in the overall picture," Dr Kirkcaldie said. uncertain
Kirkcaldie → read → picture
Professor Vickers has concerns that using AI instead of developing deep-thinking skills could have long-term impacts. uncertain
using → have → impacts
"The theory is that if you don't build up that kind of connectivity, then when you are impacted by a brain disease such as dementia then the chances are you will develop it earlier than not. asserted
you → build → it
The young people boycotting AI Some young people are so worried about the impact artificial intelligence could have on their learning they have decided to boycott it. "I wouldn't want to cheapen my experience at uni, especially with the fees we pay," said Alexis Shegog, who is planning to return to university. uncertain
who → boycott → university
Alexis is part of a group called circa Lutruwita, which has been protesting the development of AI data centres in northern Tasmania. asserted
which → call → Tasmania
The group has concerns about the environmental impact of AI data centres and its use in military settings. asserted
group → have → settings
And while they refuse to use AI as part of their studies, they are aware that AI will be in their futures. "I would want to make sure that I was getting the full value from my course and learning the material, especially if I'm going to have to compete with AI in the future for my job," Ms Shegog said. asserted
Shegog → refuse → job
"My friends who are in uni at the moment, none of them use AI. asserted
none → use → AI
"And most of them are quite concerned about the impact that it has environmentally, socially, and the impact that it is having on their education." asserted
it → have → education
Students not using AI are the exception asserted
Students → use → AI
A recent report by the eSafety Commission found 78 per cent of Australian children had used an AI assistant. asserted
cent → find → assistant
Ninety-one per cent used it for learning or translation, 70 per cent used it for writing or editing, and 68 per cent used it for entertainment. asserted
cent → use → entertainment
Students at Guilford Young College in Hobart have mixed feelings about the technology. Some said they used it for creating practice tests or simplifying ideas. asserted
they → mix → ideas
"I used it a lot last year for my science-based subjects to explain the more complex topics,"Lacey Tilyard said. asserted
Tilyard → use → subjects
But she said some of her classes, like psychology, have a strict ban on the use of AI. asserted
some → say → AI
Ella Willmott said AI was a good learning tool and had helped her research future employment opportunities. asserted
her → say → opportunities
"I think it's the worst thing for artists. asserted
it → think → artists
Because it just gets rid of the authenticity and almost the rawness of everyone's art," she said. asserted
she → rid → art
How should AI in education be managed? asserted
AI → manage → education
Professor Vickers said AI may drive a transformation in how educators teach and how student learning is assessed. uncertain
learning → say → transformation
"It may be possible to adapt AI engines to encourage critical thinking and learning, so that the AI enables learning rather than replacing it,"he said. uncertain
AI → adapt → it,"he
Professor Kathy Mills, from the Institute for Learning Sciences and Teacher Education at the Australian Catholic University, said teachers want their students to use AI critically. "Both students and teachers want AI tools that are designed to do more than tell the answers, but which guide student learning," she said. asserted
she → say → learning
She said how student learning was assessed would be more important than ever. asserted
assessed → say → ?
"If teachers want to know what students can do without AI, take-home assignments are going to be more difficult for teachers to monitor the level of AI support accessed by students in that context," she said. asserted
she → want → context
…and 2 more, not listed.
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