THE rapid integration of artificial intelligence (AI) tools, particularly large language models (LLMs) like ChatGPT, into our daily lives is a double-edged sword. While these technologies undeniably offer convenience and efficiency, it is crucial to examine their potential impact on our cognitive abilities.

A recent research found that students who relied on ChatGPT for essay writing struggled with memory retention of their own work, a problem not observed in those who used their brains or traditional search engines. Furthermore, LLM-generated essays often exhibited a lack of original thought, converging on homo-genised answers to broad questions. Brain activity analysis from the same study showed that individuals relying on their own cognition demonstrated higher neural connectivity in regions associated with attention, memory, and creativity compared to those using ChatGPT.

These findings are supported by another research. A Harvard study indicates that while generative AI might boost perceived productivity, it can also decrease motivation. Similarly, a Carnegie Mellon University study cautions that outsourcing thoughts to AI could lead to “atrophied and unprepared” minds, potentially deteriorating cognitive faculties. This phenomenon, termed cognitive offloading, is not new, as humans have long used tools to extend their mental capacities. But the nature of AI differs, as it risks thinking for us rather than simply aiding us, particularly in areas central to human thought, like critical thinking and creativity.

Perhaps the most salient finding from recent research is the long-term effect of AI reliance. Participants, who initially used ChatGPT and then attempted a task independently, showed a drop in neural connectivity, suggesting a rather dimi- nished capacity to perform without the AI.

It is disheartening that major AI developers have largely remained silent on these critical findings. As these rather powerful tools continue to evolve, it is imperative that their creators take seriously the potential changes they are imposing on human cognition. While AI tools offer undeniable benefits, the core issue arises when they replace the fundamental learning process itself.

Given that these technologies are still in their nascent stages, there is an urgent need for more long-term studies to understand their effects on individuals across different educational stages and into adulthood.

Muhammad Faizan Ali
Karachi

Published in Dawn, Aug 2nd, 2025