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SUNDAY SCIENCE: NEW STUDY SHOWS WHAT CHATGPT DOES TO OUR BRAINS  
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Neil deGrasse Tyson, Chuck Nice, Gary O’Reilly, Nataliya Kosmyna
September 27, 2025
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_ What happens to your brain when you use AI? Neil deGrasse Tyson and
co-host Chuck Nice and Gary O’Reilly explore current research into
how large language models affect our cognition, memory, and learning
with Nataliya Kosmyna. _

What happens to your brain when you use AI? Neil deGrasse Tyson and
co-host Chuck Nice and Gary O’Reilly explore current research into
how large language models affect our cognition, memory, and learning
with Nataliya Kosmyna, StarTalk

 

What happens to your brain when you use AI? Neil deGrasse Tyson and
co-host Chuck Nice and Gary O’Reilly explore current research into
how large language models affect our cognition, memory, and learning
with Nataliya Kosmyna, research scientist at the MIT Media Lab. Is AI
good for us?
 
Nataliya describes her experiment comparing students writing essays
with three methods: ChatGPT, Google, or just their own brains. What
happened when groups swapped? Why did the “LLM group” show the
least functional connectivity in the brain, while Google users lit up
their visual cortex? Why did so many students fail to recall or even
quote their own work? Neil and Nataliya unpack how timing, cognitive
load, and brain struggle are essential for true learning.
We explore cognitive load theory, video game design, and whether
doctors relying on AI could lose diagnostic skills. How much AI
support is too much? Could AI free up tasks so we can use our
cognitive energy elsewhere? Or does it rob us of our brain power? We
discuss the efficiency of the brain versus machine learning, the risks
of AI companionship amplifying loneliness (or even AI psychosis) to
how education must adapt for a generation raised with AI. What happens
when children grow up never learning the skills that AI replaces? Does
outsourcing brain work free us to be more creative or leave us
dependent?

We discuss the guardrails and the crisis across schooling. How do we
adapt the education system around these tools? What do we stand to
lose? What do we stand to gain? Does this mean pivoting the focus away
from grades and towards a more process and learning focus? Learn about
BCI, brain-computer interfaces, and whether someday we’ll have LLMs
in our heads. If we have all of the world's information uploaded, will
we need higher education? We will all say “I know kung fu” like in
the Matrix?

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Birds All over the World Use the Same Sound to Warn of Threats
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William Feeney, James Kennerley, Niki Teunissen
Over 150 years ago, naturalist Charles Darwin suggested the use of
these instinctive sounds in a new context could be an important step
in the development of language-like communication.
The Conversation
October 3, 2025

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* human brain
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