Paul Grossman

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Questions related from Paul Grossman

Does anyone know of research documenting large heart-rate decrease during episodes of psychological dissociation?

Does anyone know of research documenting large heart-rate decrease during episodes of psychological dissociation? Several trauma therapists have employed some of Stephen Porges' polyvagal...

04 January 2017 9,887 0 View

Does anyone know of research documenting large heart-rate decrease during episodes of psychological dissociation?

Several trauma therapists have employed some of Stephen Porges' polyvagal suppositions to support how their therapies might work. A critical aspect of their argument is that trauma patients'...

30 December 2016 8,674 38 View

After 20 years of "polyvagal" hypotheses, is there any direct evidence for the first 3 premises that form the foundation of the polyvagal conjectures?

Premise 1: Neurogenic bradycardia and RSA are mediated by different branches of the vagus and need not respond in concert. Premise 2: Neurogenic bradycardia associated with orienting is a...

18 January 2016 2,827 99 View

After 30 years of "polyvagal" hypotheses, is there any direct evidence for the first 3 premises that form the foundation of the polyvagal conjectures?

Premise 1: Neurogenic bradycardia and RSA are mediated by different branches of the vagus and need not respond in concert. Premise 2: Neurogenic bradycardia associated with orienting is a...

18 January 2016 9,036 99 View

Why does the polyvagal conglomerate of conjectures continue to enjoy popularity despite its basic biological premises having been refuted?

Both more broadly and specifically: Why does the polyvagal group of hypotheses still enjoy such broad popularity and acceptance when its most basic biological premises regarding vagal control have...

01 January 1970 1,332 12 View