Table 1. Conditions and Instructions.

(0) Pain, non-modulated	Concentrate only on the pain.
(A) Attentional shift	Count backwards from 1000 by sevens.
(B) Imaginal strategy	Imagine that you are in a safe and happy place that you know very well. That place has the colours you like and you hear the music you like. There are only people around that you want to have around you. You feel well and comfortable.
(C) Cognitive reappraisal	Concentrate on the cool and tingling sensations in your arm and reinterpret these sensations as not painful.