The influence of personality on the effect of iTBS after being stressed on cortisol secretion

Autoři: Matias M. Pulopulos aff001;  Sara De Witte aff002;  Marie-Anne Vanderhasselt aff002;  Rudi De Raedt aff001;  Johan Schiettecatte aff004;  Ellen Anckaert aff004;  Alicia Salvador aff005;  Chris Baeken aff002
Působiště autorů: Department of Experimental Clinical and Health Psychology, Ghent University, Ghent, Belgium aff001;  Department of Head and Skin, Ghent University, Ghent, Belgium aff002;  Ghent Experimental Psychiatry (GHEP) Lab, Ghent, Belgium aff003;  Laboratory of Hormonology and Tumor Markers, University Hospital (UZBrussel), Brussels, Belgium aff004;  Laboratory of Social Cognitive Neuroscience, Department of Psychobiology and IDOCAL, University of Valencia, Valencia, Spain aff005;  Department of Psychiatry, University Hospital (UZBrussel), Brussels, Belgium aff006;  Eindhoven University of Technology, Department of Electrical Engineering, Eindhoven, the Netherlands aff007
Vyšlo v časopise: PLoS ONE 14(10)
Kategorie: Research Article
doi: 10.1371/journal.pone.0223927


Over the last years, individualization of repetitive Transcranial Magnetic Stimulation (rTMS) parameters has been a focus of attention in the field of non-invasive stimulation. It has been proposed that in stress-related disorders personality characteristics may influence the clinical outcome of rTMS. However, the underlying physiological mechanisms as to how personality may affect the rTMS response to stress remains to be clarified. In this sham-controlled crossover study, after being stressed by the Trier Social Stress Test, 38 healthy females received two sessions of intermittent theta burst stimulation (iTBS) applied to the left dorsolateral prefrontal cortex. To take possible personality influences into account, they also completed the Temperament and Character Inventory. Mood and salivary cortisol were assessed throughout the experimental protocol. Overall, two iTBS sessions did not significantly alter mood or influenced cortisol secretion. When taking into account personality features, higher scores on the character dimension Cooperativeness was related to decreased cortisol output, only when active iTBS was administered after the social stressor. In line with other studies, personality features such as the character dimension Cooperativeness may be of particular interest to explain individual neurobiological responses to neurostimulation.

Klíčová slova:

Cortisol – Depression – Emotions – Personality – Personality traits – Psychological stress – Secretion – Transcranial magnetic stimulation


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