Lucas Cazelli
RSS FeedExploring how the brain makes product decisions. Insights on cognitive psychology, statistical thinking, and NeuroAI applications in product development. Currently building synthetic audiences at North AI.
Focus Areas
- • Cognitive science applications in product management
- • Statistical methods for user behavior analysis
- • Neuroscience-inspired AI for video analytics
- • Deep technical implementations of research papers
- • Product discovery and experimentation frameworks
Featured
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The IBM Selectric: When Brilliant Engineering Loses to Market Change
How IBM's 1961 typewriter dominated business for 25 years — and why solving the right problem perfectly didn't save it from the personal computer. A product lesson on market awareness.
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Statistical Significance vs Behavioral Significance: A PM's Dilemma
When 95% confidence isn't enough - understanding the critical difference between statistical significance and behavioral significance in product decisions.
Recent Posts
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The M-System: Multipotentiality Is a Portfolio Problem, Not a Focus Problem
A Brazilian creator's video on why we abandon our hobbies turns out to rest on a 1979 change-management model and a well-studied theory of effort. The systems-engineering version, for anyone whose interest list spans robotics, data science, and everything between.
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Local or Cloud for Your AI Coding Workload: the 2026 Decision Framework
Chip export controls and over-capitalised AI competitors are reshaping where teams run inference. A practical framework for choosing between local and cloud AI coding workloads in 2026.
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The Labor Illusion Is the Wrong Bet for Creative Testing
We trust AI more when it pretends to think slowly. In creative testing that instinct is backwards: the job is a fast, defensible verdict, proven with real attention data, not theatrical delay.
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From Finite Elements to Human Elements: An Engineer's Journey into Decision Science
How transitioning from structural engineering to AI product leadership revealed that understanding human decision-making is more complex—and more rewarding—than any finite element analysis.
Knowledge Graph
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An interactive network diagram mapping every post, concept, and term on the site by how they connect. The full, crawlable index of all topics is available on the Knowledge Graph page.