O que é a ASMR?

I remember when I was about eight or so, sitting outside near the pool, listening to the old gardener whistle while he worked. I was just so caught up in the moment, and had these intense tingling sensations just flow from my head.

Asmr Research

Autonomous Sensory Meridian Response (ASMR) is a physical sensation characterized by a pleasurable tingling that typically begins in the head and scalp, and often moves down the spine and through the limbs.

Most ASMR episodes begin by an external or internal trigger, and are so divided for classification.Type A episodes are elicited by the experiencer using no external stimuli, and are typically achieved by specific thought patterns unique to the individual. Type B episodes are triggered involuntarily by an external trigger, via one or more senses, and may also involve specific thought patterns associated with the triggering event. Both types of triggers vary between individuals, but many are common to a large portion of ASMR enjoyers. SF 10-33 

Música ambiente a servir de fundo às comunicações da polícia de S.Francisco (a sério, adormeço tão bem a ouvir isto. Também têm um canal com transmissões das missões da NASA) 

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E vocês? Que truques têm para desanuviar a cabeça?