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ErgoSums
Daily training against AI-induced cognitive atrophy
ErgoSum is the only brain training program specifically designed to combat AI-induced cognitive atrophy. People who use AI heavily at work are becoming faster and simultaneously less capable of independent thinking. The cognitive abilities they delegate, estimation, analysis, logical reasoning, critical reading, probabilistic judgment, weaken from disuse. Muscles you don't use get weaker. ErgoSums trains them back.
Hi, I'm Mircea, the founder of ErgoSums.
Like many of you, I use AI daily for software architecture and development. Love it. Addicted to it.
About a year ago though I noticed something quite embarrassing to admit out loud.
I was struggling with various cognitive aspects in both my professional and personal life. In meetings, someone would quote a statistic and I'd nod along although my gut was telling me something was off. I'd look at a project estimate and had trouble telling if it was wildly off. At dinner, a friend would make a terrible argument and I'd feel the flaw but couldn't articulate it. I could feel some ”muscles” had gone soft. Not that the skills were gone. But they were fading from disuse.
So I started looking for the source of this. Turns out, there are already a lot of studies on the subject of AI-induced cognitive atrophy.
A few examples: A 2025 study of 666 participants (Gerlich, Societies journal) found a significant negative correlation between frequent AI use and critical thinking ability. The MIT Media Lab measured a 47% drop in neural engagement when writing with ChatGPT. And the effect persists even after you stop using the AI.
The mechanism is based on cognitive offloading. The thinking you delegate, you gradually lose the ability to do. Like a muscle you stopped training.
So I built ErgoSums to exercise those muscles. Six categories, each targeting a different cognitive axis:
→ Fermi estimations. Can you still decompose a quantity problem without a prompt?
→ Logical fallacy detection. Can you spot the flaw in an argument on your own?
→ Pattern recognition. Sequences, matrices, analogies
→ Data interpretation. Can you read a chart critically and catch what's misleading?
→ Probabilistic reasoning. Base rates, Bayes, conjunction fallacy
→ Cognitive bias detection. Can you recognize the bias driving a decision?
4+ exercises per day, about 10 minutes, is an effective daily dose to combat cognitive atrophy. The daily training is completely free. Permanently. Not a trial, not a teaser.
People who want to train harder (unlimited exercises, offline mode, detailed reports) can support the project through a supporter/premium tier, but the core product is complete at the free level.
You can try the daily challenges right now without signing up. Just go to ergosums.com and click any card.
Three things I'd love feedback on:
Does the training feel substantive, or does it feel like a quiz?
What would make you come back tomorrow?
Is "cognitive training against AI-induced atrophy" a real category, or am I fooling myself?
About ErgoSums on Product Hunt
“Daily training against AI-induced cognitive atrophy”
ErgoSums was submitted on Product Hunt and earned 3 upvotes and 1 comments, placing #84 on the daily leaderboard. ErgoSum is the only brain training program specifically designed to combat AI-induced cognitive atrophy. People who use AI heavily at work are becoming faster and simultaneously less capable of independent thinking. The cognitive abilities they delegate, estimation, analysis, logical reasoning, critical reading, probabilistic judgment, weaken from disuse. Muscles you don't use get weaker. ErgoSums trains them back.
On the analytics side, ErgoSums competes within Productivity, Artificial Intelligence and Health — topics that collectively have 1.1M followers on Product Hunt. The dashboard above tracks how ErgoSums performed against the three products that launched closest to it on the same day.
Who hunted ErgoSums?
ErgoSums was hunted by Mircea Serdin. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
For a complete overview of ErgoSums including community comment highlights and product details, visit the product overview.
Mircea Serdin