EEG Correlates of Distractions and Hesitations in Human–Robot Interaction: A LabLinking Pilot Study

Author:

Richter Birte1ORCID,Putze Felix2ORCID,Ivucic Gabriel2ORCID,Brandt Mara1ORCID,Schütze Christian1ORCID,Reisenhofer Rafael2ORCID,Wrede Britta3ORCID,Schultz Tanja2ORCID

Affiliation:

1. Medical Assistance Systems, Medical School OWL, Bielefeld University, 33615 Bielefeld, Germany

2. Cognitive Systems Lab, University of Bremen, 28359 Bremen, Germany

3. Software Engineering for Cognitive Robots and Systems, University of Bremen, 28359 Bremen, Germany

Abstract

In this paper, we investigate the effect of distractions and hesitations as a scaffolding strategy. Recent research points to the potential beneficial effects of a speaker’s hesitations on the listeners’ comprehension of utterances, although results from studies on this issue indicate that humans do not make strategic use of them. The role of hesitations and their communicative function in human-human interaction is a much-discussed topic in current research. To better understand the underlying cognitive processes, we developed a human–robot interaction (HRI) setup that allows the measurement of the electroencephalogram (EEG) signals of a human participant while interacting with a robot. We thereby address the research question of whether we find effects on single-trial EEG based on the distraction and the corresponding robot’s hesitation scaffolding strategy. To carry out the experiments, we leverage our LabLinking method, which enables interdisciplinary joint research between remote labs. This study could not have been conducted without LabLinking, as the two involved labs needed to combine their individual expertise and equipment to achieve the goal together. The results of our study indicate that the EEG correlates in the distracted condition are different from the baseline condition without distractions. Furthermore, we could differentiate the EEG correlates of distraction with and without a hesitation scaffolding strategy. This proof-of-concept study shows that LabLinking makes it possible to conduct collaborative HRI studies in remote laboratories and lays the first foundation for more in-depth research into robotic scaffolding strategies.

Funder

German Research Foundation DFG, as part of the Collaborative Research Center

subprojects H03 and H04

TRR 318 “Constructing Explainability”

High-Profile Area Minds, Media, Machines, at the University of Bremen

Publisher

MDPI AG

Subject

Computer Networks and Communications,Computer Science Applications,Human-Computer Interaction,Neuroscience (miscellaneous)

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