Andrew Leeds' Sonoma Psychotherapy Training Institute posted a great article on its blog: Developmental Pathways to Dissociation. They quote Dutra, Bianchi, Siegel, and Lyons-Ruth saying that ". . . lack of positive maternal affective involvement, maternal flatness of affect, and overall disrupted maternal communication were the strongest predictors of dissociation in young adulthood." Read the whole article here:  http://www.sonomapti.com/sonomaptiblog_files/developmental_pathways_to_dissociation.html