We explore the reticular activating system (RAS) in our brains and how it influences our perceptions. We discuss how the RAS seeks evidence to validate our subconscious beliefs, exemplified by the 'red car' phenomenon. #ReticularActivatingSystem #RAS #BrainHacks #SubconsciousMind #CognitiveBias #Perception #Mindfulness #Neuroscience #SelfImprovement #PersonalDevelopment