As for what can trigger episodes in people, it almost always involves close interaction with another person. Usually, that other person is speaking to you in soft or deep tones, and always kindly. There’s usually also a component of adjacent sound coming from an inanimate object that, in conjunction with a person’s voice, helps trigger the episode. This can be the sound of scissor blades scraping together during a haircut, the sound of someone turning magazine pages, or, in my case, the sound of pennies sliding across concrete.
While many colloquial and formal terms used and proposed between 2007 and 2010 included reference to orgasm, there was during that time a significant majority objection to its use among those active in online discussions, many of whom have continued to persist in differentiating the euphoric and relaxing nature of ASMR from sexual arousal. However, by 2015, a division had occurred within the ASMR community over the subject of sexual arousal, with some creating videos categorized as ASMRotica (ASMR erotica), which are deliberately designed to be sexually stimulating.