Dogs can detect stress-related compounds in the breath of people experiencing early signs of trauma, including those with PTSD, a new proof-of-concept study suggests.
The research provides evidence that some service dogs with PTSD can be trained to detect episodes of pending distress through a person's breath and perhaps prompt the individual to use coping skills to manage the episode.
The new study included 26 mostly civilian "donors" who had experienced various types of trauma but had no severe mental illness. More than 50% met the criteria for PTSD. The dogs' ability to discern trauma cues from breath samples of various individuals was tested by presenting one sample at a time. The researchers used signal detection theory to evaluate the sensitivity and specificity of dogs in detecting human stress VOCs.
VOCs detected by Callie likely originated in the hypothalamus-pituitary-adrenal axis, which involves cortisol and corticosterone. These two endocrine subsystems play a major role in reestablishing homeostasis in response to a stressor.
PTSD - Post Traumatic Stress Disorder Post Traumatic Stress Disorder Post Traumatic Stress Syndrome Posttraumatic Stress Disorder Stress Washington DC Washington - District Of Columbia Anxiety Anxiety Disorder Mental Illness Mental Disorder Psychiatric Disorder Psychiatric Illness Washington Face Mask Face Masks Allergy Canada Cancer Malignant Neoplasia Carcinoma
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