If you’ve ever experienced a tingling sensation on your skin in response to a certain visual or sound, you may have had an autonomous sensory meridian response—or ASMR as it’s more commonly known as.

Apple posted four ASMR videos to its YouTube page on Wednesday, advertising the company's "shot on iPhone" campaign. ASMR is a trendy kind of video that uses soft sounds to help people feel calm.

Autonomous sensory meridian response — or what’s more commonly referred to as ASMR — is a calming, pleasurable feeling often accompanied by a tingling sensation that’s often triggered by sounds ...

This is read by an automated voice. Please report any issues or inconsistencies here. ASMR, or autonomous sensory meridian response, is the calming tingling sensation brought on by gentle auditory, ...