Is Artificial Intelligence Making Us Dumber?
It seems that while artificial intelligence is advancing rapidly, it might also be causing some unintended consequences. Recent research from scientists at MIT indicates that students who completed their essays using ChatGPT demonstrated lower cognitive skills compared to those who relied purely on their own thinking.
The researchers noted that depending heavily on AI can hinder critical thinking and engagement. They attempted to understand the “cognitive cost” associated with utilizing large-scale language models, which are now prevalent in various sectors, including education. A survey indicated that about 26% of teen students tapped into AI chatbots for their academic challenges in 2024.
To explore the impact of these AI homework helpers, the MIT team conducted a study involving 54 individuals who were instructed to write several SAT essays. Participants were split into three groups: one relied solely on their cognitive skills, another used Google, and the third sought assistance from ChatGPT.
Each participant wore an EEG device to allow the researchers to track brain activity while they worked. The findings revealed that those who utilized ChatGPT scored lower than those who depended purely on their own intellect at every assessment level.
The researchers noticed reduced activity in brain regions tied to memory and learning, suggesting that many cognitive tasks were being offloaded onto the AI. In fact, students using ChatGPT grew so reliant that they repeatedly submitted similar prompts for their essays, relying on the system for content generation.
On the other hand, those without external help showed more neural connectivity in areas associated with language comprehension, creativity, and memory, and they reported greater satisfaction with their essays.
Interestingly, the group using Google exhibited slightly less engagement but had comparable recall levels. This raises concerns, especially considering the increasing reliance on AI for academic research and reasoning.
The researchers emphasized that frequent use of AI tools may prevent deeper engagement with learning materials, leading to skills becoming atrophied in critical areas like brainstorming and problem-solving.
Potential long-term effects mentioned include diminished critical thinking abilities, increased susceptibility to manipulation, and a decline in creativity.
However, the research findings weren’t entirely negative for AI in education. In a follow-up trial, both the ChatGPT group and those who wrote without assistance were tasked with rewriting a previous essay. This time, ChatGPT users had to do it without any support, while the independent group could use the latest technology.
Understandably, the original ChatGPT users struggled to recall much content, whereas the brain-only group experienced notable increases in brain activity across the relevant areas despite accessing the tool.
This indicates that if used correctly, AI could serve as a beneficial academic resource rather than merely a crutch that disrupts cognitive function.
The concern regarding AI-induced cognitive decline is somewhat unsettling, especially as technology grows more sophisticated. Research from China recently revealed that AI models like ChatGPT process information similarly to the human mind, particularly in terms of language understanding.





