Bernd Lorenz

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During spaceflights, astronauts are exposed to many stressors (e.g., microgravity, confinement) that may impair human information-processing capabilities. In order to analyze the possible effects of the space environment on human time-sharing efficiency, a single-case experiment was conducted in which the time course of dual-task performance (unstable(More)
In contrast to performance in cognitive tasks, tracking performance tends to deteriorate fairly consistently during spaceflight. We address the question whether this decrement results from specific effects of microgravity on motor control or from non-specific effects of the various other stressors present. In a case study we generalize the findings obtained(More)
A simulated space operations environment was used to investigate the effect of changes in the distance between levels of automation (LOA) on operator telerobotic performance. Participants were assigned to four experimental conditions corresponding to four different LOAs. During the simulation they both switched and did not switch between these LOAs.(More)
Der folgende Fall befasst sich mit der Impressumspflicht für Internetangebote nach dem Telemediengesetz und Rundfunkstaatsvertrag. Gleichzeitig werden damit im Zusammenhang stehende Fragen des Wettbewerbsrechts erörtert. 1. Wo ist die Pflicht zur Anbieterkennzeichnung geregelt? Anbieter von Telemedien müssen ihre Angebote gemäß § 55 Abs. 1, 2 RStV, § 5 TMG(More)
In human-in-the-loop real-time simulations one of the most important aspects for delivering reliable evidence for expected improvements in key performance areas, such as capacity and safety, is to build a working environment for the participating subjects which reflect the real working conditions as closely as possible. However, when investigating the(More)
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