Friday, June 20, 2025

ChatGPT Effect on Student Cognition

I am usually suspicious of such claims.  Dime novels were supposed to ruin youths, as were radio, artificial light, television, rock music, computers, D&D, the internet...anything new was blamed for whatever was wrong with Kids These Days. But all of those things did change society, and change might be good or bad.  So with the natural Bayesian structure of our thinking (though we vary widely in how well we do that), this weights the balance pan slightly in the direction of Concern.

This preprint from MIT uncovers some possible problems for students using ChatGPT Your Brain On ChatGPT: Accumulation of Cognitive Debt When Using an AI assistant for Essay Writing Task 

Across the four-month trial, the ChatGPT group showed the weakest neural connectivity, roughly a 32 % lower cognitive load than peers who wrote unaided, and struggled to recall or summarise their own work. Their essays scored well on grammar and structure but were markedly uniform and short on original insight, according to human graders and automated analysis. When the same writers were later asked to compose without AI, performance lagged behind that of participants who had never used the chatbot. 

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