ASMR — short for Autonomous Sensory Meridian Response — is a term you’ve probably seen pop up on YouTube, TikTok, or in group chats. But what does it actually mean ? At its core… Learn about different types of ASMR , the origin of practice, how it affects your brain, and why people love this corner of the internet. Autonomous sensory meridian response ( ASMR ) is a pleasant, tingling sensation some people feel when triggered by certain audio or visual cues. ASMR is a sensory experience that causes “ brain tingles ” triggered by certain sounds or sights. It may help boost mood, improve sleep and relieve pain.