Lisa-Marie Krause M.Sc.

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  Linke, L., Krause, L.-M., & Horstmann, G. (2025). Perceiving social signals: The similarity of direct gazing and pointing. Acta Psychologica, 257, 105057. https://doi.org/10.1016/j.actpsy.2025.105057
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  Herbort, O., Krause, L.-M., Raßbach, P., & Kunde, W. (2025). How pointing informs visual search. Journal of Experimental Psychology: Human Perception and Performance. https://doi.org/10.1037/xhp0001360
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  Krause, L.-M., & Herbort, O. (2024). Perception of pointing gestures in 3D space. Scientific Reports, 14(1), 27595. https://doi.org/10.1038/s41598-024-78129-4
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  Pointing gestures are often used to refer to distant referents by indicating in which vertical and horizontal direction the referent is located relative to the pointer. In the present manuscript, we address whether and how both dimensions interact when people spatially interpret pointing gestures, or whether both dimensions are processed independently as reflected in many current models. We found that both dimensions interact on different levels. First, cross-dimensional effects were found on a between-gestures level. That is, the perception of the vertical position implied by a pointing gesture depended on horizontal arm and finger orientation. Conversely, the horizontal interpretation depended on vertical arm and finger orientation. Second, we found cross-dimensional interactions on the level of intra-individual biases. That is, participants' horizontal perceptual biases in interpretations (e.g., perceiving a gesture as directed more rightward than others) were related to their vertical perceptual biases. Third, we found cross-dimensional interactions on the level of intra-individual variability. That is, the vertical and horizontal interpretations of the same pointing gestures were correlated within participants and gestures. Together, these findings indicate that human spatial pointing perception is based on configural processing of a gesture on different levels of information processing.

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  Herbort, O., & Krause, L.-M. (2023). The Efficiency of Augmented Pointing with and Without Speech in a Collaborative Virtual Environment. In V. G. Duffy (Ed.), Lecture Notes in Computer Science (HCII 2023, Vols. 14028, pp. 510-524). https://doi.org/10.1007/978-3-031-35741-1_37
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  Pointing is a ubiquitous part of human communication. However, pointing gestures to distal referents are often misunderstood systematically, which may limit the usefulness of pointing.We examined pointing-based communication in a collaborative virtual environment (CVE) to address three questions. First, we wanted to evaluate the potential of apparently natural but technically augmented pointing in CVEs, such as presenting a warped pointer for increased legibility or the ability to assume the pointer’s perspective. Second, we wanted to test whether technical improvements in pointing accuracy also facilitate communication if pointing is accompanied by speech. Third, we wanted to check whether pointing accuracy is correlated with the efficiency of communication involving pointing and speech. An experiment revealed that pointing-based communication has considerable potential to be enhanced in CVEs, albeit the specific augmentation procedure we employed did not improve pointing-based communication. Importantly, improvements in pointing accuracy also facilitated communication when speech was allowed. Thereby, speech reduced but could not rule out misunderstandings. Finally, even a small gain in pointing accuracy allowed participants to agree on a referent faster. In summary, the experiment suggests that augmented pointing may considerably improve interactions in CVEs. Moreover, speech cannot fully compensate misunderstandings of pointing gestures and relatively small differences in pointing accuracy affect the efficiency of communication of speech is allowed.
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  Krause, L.-M., & Herbort, O. (2023). Just visual context or part of the gesture? The role of arm orientation in bent pointing interpretation. Acta Psychologica, 241, 104062. https://doi.org/10.1016/j.actpsy.2023.104062
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  Krause, L.-M., & Herbort, O. (2021). The observer’s perspective determines which cues are used when interpreting pointing gestures. Journal of Experimental Psychology: Human Perception and Performance, 47(9), 1209–1225. https://doi.org/10.1037/xhp0000937
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  Herbort, O., Krause, L.-M., & Kunde, W. (2020). Perspective determines the production and interpretation of pointing gestures. Psychonomic Bulletin & Review, 28(2), 641–648. https://doi.org/10.3758/s13423-020-01823-7
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