Psychology
Written Disclosure Only Helps Grieving Patients with High Vagal Tone, Study Finds
Huberman Lab
Essentials: The Science & Process of Healing from Grief
"A subset of individuals who had a high degree of vagal tone seemed to get more benefit from this writing-type exercise. Those people are going to be in a better position to move through grief, not because they are disengaging from the feelings of attachment, but because they are better able to access those feelings of attachment."
Huberman described a Biological Psychology study showing that journaling about emotional attachment to a lost loved one only accelerated grief recovery in individuals with strong heart rate variability and vagal control. This suggests somatic awareness is a prerequisite for emotional processing interventions to work effectively.
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Huberman Lab