Theoretical Basis
Dyadic developmental psychotherapy is based on the theory that maltreated infants not only frequently have disorganized attachments but also, as they mature, are likely to develop rigid self-reliance that becomes a compulsive need to control all aspects of their environment. Hughes cites Lyons-Ruth & Jacobvitz (1999) in support of this theory. Caregivers are seen as a source of fear with the result that children endeavour to control their caregivers through manipulation, overcompliance, intimidation or role reversal in order to keep themselves safe. Such children may also suffer intrusive memories secondary to trauma and as a result may be reluctant or unwilling to participate in treatment. It is anticipated that such children will try to actively avoid the exposure involved in developing a therapeutic relationship and will resist being directed into areas of shame and trauma. Hughes proposes that an attachment based treatment may be more effective for such foster and adoptive children than traditional treatment and parenting interventions.
It is stated that once an infant's safety needs are met (by attachment) they become more able to focus on learning and responding to the social and emotional needs of caregivers. (Schore, 2003ab). Hughes posits that this 'affective attunement', described by Stern (1985) is crucial in the development of both a secure attachment as well as a positive, integrated sense of self. Attunement is seen as primarily a non-verbal mode of communication between infant and carer, and synchrony in the degree of arousal being expressed, as well as empathy for the child's internal experience. Hughes states "Whether it is a motivational system separate from attachment as is suggested by Stern (2004), or a central aspect of a secure attachment dyad, it remains vital in the child's overall development." Through this process, the children co-construct the meaning of their experience and co-regulate their affective response. This leads to the capacity for self awareness and eventually development of autonomy.
The therapy attempts to replicate this or fill in the gaps in a maltreated child's experience.
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