Acoustic Tingles: The Subconscious Trigger of the Brain

For decades, a quiet fraction of the population experienced an inexplicable sensation: a warm, static-like tingling starting at the scalp and cascading down the spine, triggered by the simplest sounds. Today, Autonomous Sensory Meridian Response (ASMR) has exploded from a niche internet subculture into a multi-billion-dollar therapeutic industry. But why does the sound of tapping wood or a hushe...