The study verifies a hypothesis that GDV in fact measures vitality. For that purpose a limited study was performed and the findings support the hypothesis. However, further investigation is needed in order to more reliably confirm it.
Citation:
Igor Kononenko, Miha Sedej, Aleksander Sadikov, "GDV Measures Vitality?," cbms, pp.443-445, 18th IEEE Symposium on Computer-Based Medical Systems (CBMS'05), 2005