In this episode, we delve into a groundbreaking study on causal parametric language mapping using electrical stimulation during awake neurosurgery. Published in Science Advances in 2026, this research utilized a novel approach to precisely identify and understand language-related brain networks. The study involved patients undergoing awake craniotomy and employed parametric electrical stimulation to observe real-time effects on language processing. Key findings demonstrate a more nuanced understanding of functional localization, potentially improving surgical outcomes and minimizing deficits. Understanding these detailed functional maps is crucial for neurosurgeons and neurologists aiming to preserve vital cognitive functions. This podcast discusses the full text of the study. This information is for educational purposes and not a substitute for professional medical advice.