The modulation of nociceptive processing has peculiar aspects in migraine patients, as it is less evident under distraction in cognitive tasks and is normally induced under distraction by affective images [27, 35].
The structures studied here are implicated in pain modulation, emotional, affective and cognitive response to pain, and their dysfunction is consistent with the lower threshold and tolerance to pain with negative effects on mood and cognition displayed by chronic migraine patients [36].
These findings suggest that directional relationships between adolescents' friend conflicts and their affective states vary by affective domain.
Usually, patients with depressive disorders show lower cortical modulation for affective arousal stimulation [ 45].
Functional neuroimaging studies have linked insula activation to modulation of affective processing, cognitive and affective processing during learning, and aversive interoceptive processing [ 19].
It is interesting to consider that the C1 modulation by visual attention has been also reported for the selection of the affective or the linguistic content of visual stimuli.
The analgesic effect of hypnosis without specific suggestions in clinical studies thus seems to be caused by distraction and a modulation of the affective component of pain.
