A groundbreaking MIT brain-scan study shows relying on ChatGPT weakens critical thinking and memory wiring.
A recent MIT study, titled ”The Cognitive Cost of Using LLMs,” monitored the brain activity of 54 students using electroencephalography (EEG) devices.
Researchers from the MIT Media Lab discovered that participants who consistently relied on ChatGPT for essay-writing tasks demonstrated significantly lower neural engagement in brain regions tied to memory and analytical reasoning.
Rather than actively synthesizing information, these users increasingly defaulted to a state of ‘mental passivity,’ struggling to recall their own work shortly after completion and producing increasingly generic, uninspired content.
However, the research also highlights a path forward: AI does not have to be a cognitive detriment. Students who initially worked unaided and later transitioned to using ChatGPT showed an increase in brain activity, suggesting that AI is highly beneficial when used to enhance and scaffold human thought rather than replace it entirely. To avoid a future of algorithmic echo chambers and cognitive decline, experts urge users to remain active, critical participants when collaborating with digital tools.
source: Chow, A. (2025). ChatGPT’s Impact On Our Brains According to an MIT Study. TIME.
Life event that changes all: Horse riding accident in Zimbabwe in 1993, a fractured skull et al including bipolar anxiety, chronic fatigue …. co-morbidities (Nietzche 'He who has the reason why can deal with any how' details my health history from 1993 to date). 17th 2017 August operation for breast cancer (no indications just an appointment came from BreastCheck through the Post). Trinity College Dublin Business Economics and Social Studies (but no degree) 1997-2003; UCD 1997/1998 night classes) essays, projects, writings. Trinity Horizon Programme 1997/98 (Centre for Women Studies Trinity College Dublin/St. Patrick's Foundation (Professor McKeon) EU Horizon funded: research study of 15 women (I was one of this group and it became the cornerstone of my journey to now 2017) over 9 mth period diagnosed with depression and their reintegration into society, with special emphasis on work, arts, further education; Notes from time at Trinity Horizon Project 1997/98; Articles written for Irishhealth.com 2003/2004; St Patricks Foundation monthly lecture notes for a specific period in time; Selection of Poetry including poems written by people I know; Quotations 1998-2017; other writings mainly with theme of social justice under the heading Citizen Journalism Ireland. Letters written to friends about life in Zimbabwe; Family history including Michael Comyn KC, my grandfather, my grandmother's family, the O'Donnellan ffrench Blake-Forsters; Moral wrong: An acrimonious divorce but the real injustice was the Catholic Church granting an annulment – you can read it and make your own judgment, I have mine. Topics I have written about include annual Brain Awareness week, Mashonaland Irish Associataion in Zimbabwe, Suicide (a life sentence to those left behind); Nostalgia: Tara Hill, Co. Meath.
canisgallicus 