I have spikey, little, skin colored bumps, on the back of my right arm from my shoulder to my elbow; and even tinier bumps on the back of my left arm from my shoulder to my elbow. Why is that?

“an abused child's thoughts occasionally drift to other, less anxiety-arousing topics; this anxiety reduction thus serves to strengthen 'other' thoughts, while weakening the thoughts about abuse.” a psychologist with which theoretical background would be most likely to offer this quotation as an explanation for the development of dissociative disorders?