Engineering for Bounded Cognition

This article reveals that human cognitive limitations—the ability to hold only four things in mind simultaneously with a narrow attention span—are the fundamental constraint shaping all software engineering practices and architectural decisions. As IT organizations increasingly adopt AI systems that exhibit strikingly similar cognitive bottlenecks (context windows, attention limitations), the article argues that system design must fundamentally account for these bounded cognitive capabilities rather than expecting perfect human or machine performance. For CIOs, this means shifting from a "human error" blame culture to architecting systems that acknowledge cognitive limits as permanent constraints, making resilience and graceful degradation non-negotiable requirements rather than optional features.