Lukas Braach

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About

Lukas Braach is a researcher at the intersection of human-robot interaction and trust in autonomous systems. His work focuses on how the design of robotic agents—particularly their vocal characteristics—shapes human perceptions, compliance, and decision-making. In his most-cited paper, "Influence of Robots’ Voice Naturalness on Trust and Compliance" (2024, 12 citations), Braach investigates a timely ethical and safety concern: as text-to-speech systems become indistinguishable from human speech, robots with highly natural voices may foster excessive trust, leading users to over-rely on them despite evidence of error. This contribution is critical for the responsible deployment of social robots in domains like healthcare, service, and collaborative work. Braach’s research bridges engineering, psychology, and ethics, offering empirical insights that inform safer human-robot interaction design. His work is especially relevant for students and researchers exploring trust calibration, transparency, and the unintended consequences of anthropomorphic design in AI and robotics.