title: [What prevents people from helping?].
authors.affiliation: Fachzentrum für Katastrophen- und Wehrpsychiatrie, Psychiatrische Universitätsklinik Zürich.
authors.forename: St
authors.initials: S
authors.lastname: Vetter
mesh_terms: D000818:Animals; D001143:Arousal / Q000502:physiology; D005392:First Aid / Q000523:psychology*; D006379:Helping Behavior; D006380:Helplessness, Learned; D006801:Humans; D007266:Inhibition, Psychological; D011603:Psychophysiology