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Polyvagal theory (PVT) is a collection of proposed evolutionary, neuroscientific, and psychological constructs pertaining to the role of the vagus nerve in emotion regulation, social connection and fear response. The theory was introduced in 1994 by Stephen Porges. [1] There is consensus among experts that the assumptions of the polyvagal ...
Many of the Polyvagal theory tenets incorporated in the Somatic Experiencing training are controversial and unproven. The SE therapy concepts such as "dorsal vagal shutdown" with bradycardia that are used to describe "freeze" and collapse states of trauma patients are controversial since it appears the ventral vagal branch, not the dorsal vagal ...
Stephen Porges' polyvagal theory claims that the vagus nerve system is central to connecting these clusters. [14] Siegel's model of the brain attempts to simplify the complexity of brain formation in emphasizing interaction between the brainstem, limbic systems (hippocampus and amygdala) and middle prefrontal cortex.
In an Arizona State University dissertation paper, Taggart described how occupational therapists can use Éadaoin Bhreathnach's Sensory Attachment Intervention (SAI) approach, which is informed by the DMM, together with trauma and polyvagal theory informed perspectives, to help children improve emotional expression. [98]
Stephen W. Porges (born 1945) is an American psychologist.He is the Professor of Psychiatry at the University of North Carolina at Chapel Hill. [1] Porges is currently the Director of the Kinsey Institute Traumatic Stress Research Consortium at Indiana University Bloomington, [2] which studies trauma.
The polyvagal theory by Porges is an influential model of how the vagal pathways respond to novelty and to stressful external stimuli. [30] [31] [32] The theory proposes that there are two vagal systems, one that is shared with reptiles and amphibia and a second, more recent, system that is unique to mammals. The two pathways behave differently ...
Diana Foșha is a Romanian-American psychologist, known for developing accelerated experiential dynamic psychotherapy (AEDP), [1] and for her work on the psychotherapy of adults suffering the effects of childhood attachment trauma and abuse.
The trauma model of mental disorders, or trauma model of psychopathology, emphasises the effects of physical, sexual and psychological trauma as key causal factors in the development of psychiatric disorders, including depression and anxiety [1] as well as psychosis, [2] whether the trauma is experienced in childhood or adulthood. It ...