Overview

• Research led by scientists from City University of Hong Kong and the Chinese University of Hong Kong confirms rats possess a discrete number sense.
• Advanced techniques including AI modeling and brain manipulation were utilized to demonstrate rats' ability to learn and focus on numbers.
• The posterior parietal cortex identified as crucial for number processing in rats, distinct from general magnitude processing.
• Findings provide a vital animal model for exploring the neural foundations of numerical abilities and potential disabilities in humans.
• The research could influence advancements in artificial intelligence and interventions for numerical disabilities.