Some have advocated the use of the "ULLmeter" as a trustworthy measurement of stress - however, I have serious doubts as to whether the method used in validation is in fact a validation of stress - and not just common arousal.
I have found one article published in Scandinavian Journal of Clinical & Laboratory Investigation
Vol. 69, No. 6, October 2009, 713–721
The article can be found here: http://www.ullcare.com/doc/pdf/Ballegaard%20(2009)%20A%20simpel%20and%20objective%20marker%20for%20stress.pdf
Thank you so much in advance for your always enlightened answers!
http://www.ullcare.com/doc/pdf/Ballegaard%20(2009)%20A%20simpel%20and%20objective%20marker%20for%20stress.pdf
Dear Mette,
Some newer papers that may shed light at your question:
Scand J Clin Lab Invest. 2012 Oct;72(6):459-66. The association between pressure pain sensitivity, and answers to questionnaires estimating psychological stress level in the workplace. A feasibility study.
Ballegaard S, Petersen PB, Gyntelberg F, Faber J.
Scand J Clin Lab Invest. 2013 Aug;73(5):373-9. Pressure pain sensitivity: a new method of stress measurement in patients with ischemic heart disease.
Bergmann N et al.
PLoS One. 2014 May 21;9(5):e97553. The effect of daily self-measurement of pressure pain sensitivity followed by acupressure on depression and quality of life versus treatment as usual in ischemic heart disease: a randomized clinical trial.
Bergmann N, Ballegaard S, Bech P, Hjalmarson A, Krogh J, Gyntelberg F, Faber J.
Hi Bentzen,
If you are validating stress using the opera singer MAP, sternum rub and all, they are still valid .. even for arousal.
I have seen toe nails and index finger used to inflict obnoxious stimuli to mere syncope patient. Such fight / flight stress validation is unethical apart from invalid.
The trauma inflicted on the digits caused the syncope patient to acquire Klebsiella Pneumoniae, E. Coli and Enterococcus Faecalis on one toe and S Aureus and Enterococcus Faecalis infection on another.
Thus specificity and sensitivity on the digits stress validation is highly non-valid nor reliable in fight / flight or arousal situation. Stick to the sternum rub, my friend.
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