This article explores the cognitive abilities of Kathy Lien, a successful currency trader, and uses her as a case study to understand the intersection of neuroscience and trading. The article starts by outlining Lien's early life and her journey into the trading world, emphasizing her rapid learning abilities and her unique cognitive skills. It then delves into the specific cognitive skills that make Lien an effective trader, including her instinctive reactions, rapid information processing, mathematical aptitude, and ability to blend fundamental and technical analysis. The article also highlights the importance of intuition in trading and how Lien's years of experience contribute to her gut feelings.