Wearable sensor device for a thermogenic and/or psychogenic stress response of a subject, the wearable sensor device comprising: - a first electrode configured to contact a first non-glabrous skin part of the subj ect, - a second electrode configured to contact a second non-glabrous skin part of the subj ect, - a third electrode configured to contact a glabrous skin part of the subject, - a skin conductance sensor configured to provide a voltage signal between a positive input terminal and a negative input terminal and to measure a skin conductance signal at an output terminal , - a switching arrangement , and - a processing unit to determine a thermogenic and/or psychogenic stress response, characterized in that the switching arrangement is configured to switch connections between the first to third electrodes and the positive and negative input terminals of the skin conductance sensor between at least three switching states, wherein in each switching state two of the first to third electrodes are connected to the negative input terminal and the third of the first to third electrodes is connected to the positive input terminal or in each switching state two of the first to third electrodes are connected to the positive input terminal and the third of the first to third electrodes is connected to the negative input terminal, and the processing unit is configured to determine the thermogenic and/or psychogenic stress response from the measured skin conductance signals during the at least three switching states. - a first electrode configured to contact a first non-glabrous skin part of the subj ect, - a second electrode configured to contact a second non-glabrous skin part of the subj ect, - a third electrode configured to contact a glabrous skin part of the subject, - a skin conductance sensor configured to provide a voltage signal between a positive input terminal and a negative input terminal and to measure a skin conductance signal at an output terminal , - a switching arrangement , and - a processing unit to determine a thermogenic and/or psychogenic stress response, characterized in that the switching arrangement is configured to switch connections between the first to third electrodes and the positive and negative input terminals of the skin conductance sensor between at least three switching states, wherein in each switching state two of the first to third electrodes are connected to the negative input terminal and the third of the first to third electrodes is connected to the positive input terminal or in each switching state two of the first to third electrodes are connected to the positive input terminal and the third of the first to third electrodes is connected to the negative input terminal, and the processing unit is configured to determine the thermogenic and/or psychogenic stress response from the measured skin conductance signals during the at least three switching states. the switching arrangement is configured to switch connections between the first to third electrodes and the positive and negative input terminals of the skin conductance sensor between at least three switching states, wherein in each switching state two of the first to third electrodes are connected to the negative input terminal and the third of the first to third electrodes is connected to the positive input terminal or in each switching state two of the first to third electrodes are connected to the positive input terminal and the third of the first to third electrodes is connected to the negative input terminal, and the processing unit is configured to determine the thermogenic and/or psychogenic stress response from the measured skin conductance signals during the at least three switching states. <EOS>