Abel, L.* ; Richer, R.* ; Burkhardt, F.* ; Kurz, M.* ; Ringgold, V.* ; Schindler-Gmelch, L.* ; Eskofier, B.M. ; Rohleder, N.*
     
 
    
        
Body movements as biomarkers: Machine Learning-based prediction of HPA axis reactivity to stress.
    
    
        
    
    
        
        Psychoneuroendocrinology 179:107528 (2025)
    
    
    
		
		
			
				Body movements and posture provide valuable insights into stress responses, yet their relationship with endocrine biomarkers of the stress response remains underexplored. This study investigates whether movement patterns during the Trier Social Stress Test (TSST) and the friendly-TSST (f-TSST) can predict cortisol reactivity. Using motion capturing, movement data from 41 participants were analyzed alongside salivary cortisol responses. Machine learning models achieved a classification accuracy of 65.2 % for distinguishing cortisol responders from non-responders and a regression mean absolute error of 2.94 nmol/l for predicting cortisol increase. Findings suggest that movement dynamics can serve as proxies of endocrine stress responses, contributing to objective, non-invasive stress assessment methods.
			
			
				
			
		 
		
			
				
					
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        Publikationstyp
        Artikel: Journalartikel
    
 
    
        Dokumenttyp
        Wissenschaftlicher Artikel
    
 
    
        Typ der Hochschulschrift
        
    
 
    
        Herausgeber
        
    
    
        Schlagwörter
        Cortisol ; Machine Learning ; Movement ; Posture ; Stress ; Tsst; Psychosocial Stress; Salivary Cortisol; Responses; Law; Perception; Expression; Shame; Life
    
 
    
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        Sprache
        englisch
    
 
    
        Veröffentlichungsjahr
        2025
    
 
    
        Prepublished im Jahr 
        0
    
 
    
        HGF-Berichtsjahr
        2025
    
 
    
    
        ISSN (print) / ISBN
        0306-4530
    
 
    
        e-ISSN
        1873-3360
    
 
    
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	    Band: 179,  
	    Heft: ,  
	    Seiten: ,  
	    Artikelnummer: 107528 
	    Supplement: ,  
	
    
 
  
        
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            Verlag
            Elsevier
        
 
        
            Verlagsort
            The Boulevard, Langford Lane, Kidlington, Oxford Ox5 1gb, England
        
 
	
        
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        Begutachtungsstatus
        Peer reviewed
    
 
    
        Institut(e)
        Institute of AI for Health (AIH)
    
 
    
        POF Topic(s)
        30205 - Bioengineering and Digital Health
    
 
    
        Forschungsfeld(er)
        Enabling and Novel Technologies
    
 
    
        PSP-Element(e)
        G-540008-001
    
 
    
        Förderungen
        Deutsche Forschungsgemeinschaft (DFG, German Research foundation)
    
 
    
        Copyright
        
    
 	
    
    
    
    
    
        Erfassungsdatum
        2025-07-03