ASMR (Autonomous Sensory Meridian Response) is a feeling and experience characterized by a tingling sensation on the skin, usually on the scalp, back or neck. It can be triggered by a series of different sounds or visual stimuli.
The term Autonomous Sensor Meridian Response was popularized by Jennifer Allen in a Facebook group she founded called The ASMR Group.
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"Trigger" is the positive word used to describe certain actions or sounds that create a tingling sensation on your body. Popular triggers include whispering, chewing, personal attention or soft talking.