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address: Fliednerstraße 21, 3. floor, room 311 or 312 location
Behavioural studies are often conducted as pilot studies for subsequent EEG or fMRI studies.
In addition to solely behavioural studies, in which the subject carries out a computer-based task, we also perform peripheral physiological experiments.
The measurement of peripheral physiological activity entails the acquisition of specific autonomic changes in the electrical properties of the skin generated within an experimental environment.
EDA is a psychophysiological response which provides information regarding psychological processes such as emotional reactions. This response can be assessed by measuring the decrease and increase in skin conductance as a result of sweat gland activity. Since sweat is a salty secretion, it affects the electrical conductivity of the skin, which means, fluctuations within skin conductivity can provide essential information regarding underlying neural processes. To measure EDA, electrodes are placed on the inside of the distal and intermediate phalanges of the index and middle fingers. The recorded voltage is not noticeable, painful or risky. A hypoallergenic electrode gel is applied between the electrode and the finger to improve the electrical signal.
The procedures are non-invasive and there are no injuries or health risks associated with this method. Nevertheless, adhesive electrodes may cause slight skin irritation in the short term.
The peripheral physiological data are used solely for basic scientific purposes and are not assessed by medical diagnostics. This means that we do not examine the data for pathological changes. Should we accidentally notice a peculiarity in the data, we would point this out to you and recommend further diagnostic clarification.
Individuals who cannot participate in peripheral physiological experiments are: