A comprehensive guide exploring the cognitive and psychological forces that shape how people perceive, think, decide, and interact — and how product designers can harness these forces to create experiences that feel instinctively right.
[About the book – coming soon. Describe the motivation behind writing it, who it's for, and what readers will take away.]
Chapter 01
[Coming soon – How our brains process visual information and what it means for layout, color, and hierarchy in product design.]
Perception · Visual CognitionChapter 02
[Coming soon – Cognitive biases, heuristics, and how people make choices under uncertainty — and how to design for better decisions.]
Decision Making · Cognitive BiasChapter 03
[Coming soon – Why users forget, how mental models form, and how to design interfaces that feel familiar even on first use.]
Memory · Mental ModelsChapter 04
[Coming soon – The role of emotion in product experience, building trust through design, and the psychology of delight.]
Emotion · Trust · DelightChapter 05
[Coming soon – How attention is a finite resource, the science of distraction, and techniques to direct focus where it matters most.]
Attention · Flow · FocusChapter 06
[Coming soon – Designing for habit formation, motivation triggers, and the ethical use of behavioural psychology in product design.]
Behaviour · Habits · Motivation+ 94 more principles across additional chapters. Content will be revealed as the book progresses.
Pathum Goonawardene is a Principal UX Design Engineer with 14+ years of experience designing high-trust fintech and digital banking experiences. He is an educator, writer, and mentor — sharing knowledge through Medium articles, short books, YouTube videos, and ADPlist mentorship sessions.
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