Pattern theory is the study of underlying structures and regularities in systems. It has its roots in mathematics, computer science, and psychology. Synonyms for pattern theory include pattern recognition, statistical learning, and machine learning. These terms refer to the ability of a machine or computer to identify patterns in data and use those patterns to make predictions or decisions. Other related terms include computational neuroscience, which focuses on how the brain processes and recognizes patterns, and information theory, which looks at how information is transmitted and processed. Overall, pattern theory and its synonyms are fundamental fields for understanding how machines and humans perceive and make sense of the world around them.