ASMR stands for Autonomous Sensory Meridian Response. It describes a tingling sensation that typically starts on the scalp and moves down the back of the neck and upper spine, often accompanied by feelings of relaxation and mild euphoria
. The term was coined in 2010 by Jennifer Allen to provide a more clinical and objective name for this sensory phenomenon, which is usually triggered by specific auditory or visual stimuli such as whispering, tapping, or personal attention
