Skip to content

SocietyAI glossary

Cognitive debt

The gradual weakening of our mental faculties when we systematically delegate thinking to an AI: less memorisation, less critical thinking, less effort. The term comes from a MIT Media Lab study which, electrodes in hand, measured reduced brain activity in volunteers drafting their texts with ChatGPT.

In other words

Like legs that waste away from always taking the lift: what the brain no longer does, it eventually unlearns.

Alyriaz articles that mention it

  • What do we lose when we save time? · Vision

    Time savings are the main argument for AI. We examine what these savings actually displace, why the freed-up time almost never becomes free time, and what disappears along with certain efforts.

  • Should we teach our children about AI, or protect them from it? · Vision

    Should children be exposed to AI early to prepare them, or shielded from it to protect their learning? We weigh the available data and draw out a principle that partly reconciles the two camps: sequencing matters more than prohibition.

  • Does AI make us stupider? What the studies actually say · Vision

    Several studies link heavy AI use to a decline in critical thinking, a phenomenon known as cognitive offloading. We examine what this research actually shows, its methodological limitations, and the most useful takeaway: learning without AI before turning to it appears to be protective.

  • Is AI changing children's brains? What the first studies reveal · Society

    The first rigorous scientific studies on the cognitive effects of AI in children are starting to arrive. And they do not make for reassuring reading. Reduced brain connectivity, the accumulation of a "cognitive debt", lower attentional engagement: this is what neuroscience is actually measuring, without alarmism or downplaying.

See also

More in this family: Society

Find it in the full glossary →All the terms