Control device for controlling a playback device, which is configured to play back pictorial content on a display means of the playback device to generate visual stimuli for a person, wherein the control device comprises: - an acquisition device, which is configured to acquire person-related data (131-1; 133-1), which are indicative of at least one symptom of the person, and to provide an acquisition result depending on the person-related data, wherein the acquisition device for acquiring the person-related data (131-1; 133-1) has: - a sensor device, which is embodied for a coupling to the person, to ascertain person-related data in the form of items of sensor information about the at least one symptom of the person, wherein the sensor device has a plurality of sensors (SENS), wherein the items of sensor information about the at least one symptom comprise values of physical measured variables, wherein each of the sensors (SENS) is configured to determine a value of a specific physical measured variable; - a controller, which is configured to determine at least one value of a playback parameter set depending on the acquisition result; and - a control unit, which is configured to control the playback of a pictorial content that is parametrized depending on the playback parameter set that is determined with respect to value; characterized in that - the controller is furthermore configured to select a number of the plurality of sensors (SENS) depending on items of sensor information which have been previously determined by the sensor device, to determine values of a number of selected physical measured variables; and - the acquisition device is configured to provide the acquisition result depending on the determined values of the number of selected physical measured variable. - an acquisition device, which is configured to acquire person-related data (131-1; 133-1), which are indicative of at least one symptom of the person, and to provide an acquisition result depending on the person-related data, wherein the acquisition device for acquiring the person-related data (131-1; 133-1) has: - a sensor device, which is embodied for a coupling to the person, to ascertain person-related data in the form of items of sensor information about the at least one symptom of the person, wherein the sensor device has a plurality of sensors (SENS), wherein the items of sensor information about the at least one symptom comprise values of physical measured variables, wherein each of the sensors (SENS) is configured to determine a value of a specific physical measured variable; - a sensor device, which is embodied for a coupling to the person, to ascertain person-related data in the form of items of sensor information about the at least one symptom of the person, wherein the sensor device has a plurality of sensors (SENS), wherein the items of sensor information about the at least one symptom comprise values of physical measured variables, wherein each of the sensors (SENS) is configured to determine a value of a specific physical measured variable; - a controller, which is configured to determine at least one value of a playback parameter set depending on the acquisition result; and - a control unit, which is configured to control the playback of a pictorial content that is parametrized depending on the playback parameter set that is determined with respect to value; - the controller is furthermore configured to select a number of the plurality of sensors (SENS) depending on items of sensor information which have been previously determined by the sensor device, to determine values of a number of selected physical measured variables; and - the acquisition device is configured to provide the acquisition result depending on the determined values of the number of selected physical measured variable.