Introduction

This chapter provides the background and purpose of the book, the previous work, and research in related fields, as well as the theme of the book, to help the readers to get a general idea of this book. This chapter first introduces the research background and significance of this book are introduced; and then summarizes the research status of biological visual perception, human brain memory modelling, and the theory of free energy of human brain cognition. Finally, the main contents of this book are introduced.