When understanding and recalling spoken language, various complex processes take place in the brain. Certain circumstances can either impede or facilitate speech comprehension, e.g. visual stimuli such as lip movements or gestures. Although the field of cognitive psychology has already intensively studied short-term memory performance or listening effort in such situations, it mostly uses simple scenarios without plausible visual and auditory material. It is therefore possible that the performance of participants in such studies differs from reality. This work investigates…