Heiko Hecht
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German Translation and Validation of the Visually Induced Motion Sickness Susceptibility Questionnaire Short (VIMSSQ-short) Open
Motion sickness is a condition that is characterized by symptoms like dizziness, nausea, or vomiting, especially during transportation or immersive visual experiences such as gaming and virtual reality (VR). Visually Induced Motion Sicknes…
The Aesthetic Appreciation of Multi-Stable Images Open
Does the quality that renders multi-stable images fascinating, the sudden perceptual reorganization, the switching from one interpretation into another, also make these images appear beautiful? Or is the aesthetic quality of multi-stable f…
Correction: Trial-by-trial feedback fails to improve the consideration of acceleration in visual time-to-collision estimation Open
[This corrects the article DOI: 10.1371/journal.pone.0288206.].
Preferred Distance in Human–Drone Interaction Open
In two augmented-reality experiments, we transferred the paradigm of interpersonal distance regulation to human–drone interaction. In the first experiment, we used a simple spherical drone model and explored how both hovering height and ap…
A Vestibular Training to Reduce Dizziness Open
Many situations can induce dizziness in healthy participants, be it when riding a carrousel or when making head movements while wearing a head-mounted display. Everybody—maybe with the exception of vestibular loss patients—is prone to dizz…
View article: Influence of Distraction Factors on Performance in Laparoscopic Surgery in Immersive Virtual Reality: Study Protocol of a Cross-Over Trial in Medical Students and Residents—DisLapVR
Influence of Distraction Factors on Performance in Laparoscopic Surgery in Immersive Virtual Reality: Study Protocol of a Cross-Over Trial in Medical Students and Residents—DisLapVR Open
Background Working in an operating room (OR) is physically and mentally challenging: the operation itself demands the surgeon's full attention, while time and cost efficiency constraints, daily planning, and emergency care interfere with t…
How spotting technique affects dizziness and postural stability after full-body rotations in dancers Open
Consecutive longitudinal axis rotations are very common in dance, ranging from head spins in break dance to pirouettes in ballet. They pose a rather formidable perceptuomotor challenge - and hence form an interesting window into human moto…
View article: Influence of Distraction Factors on Performance in Laparoscopic Surgery in Immersive Virtual Reality: Study Protocol of a Cross-Over Trial in Medical Students and Residents—DisLapVR (Preprint)
Influence of Distraction Factors on Performance in Laparoscopic Surgery in Immersive Virtual Reality: Study Protocol of a Cross-Over Trial in Medical Students and Residents—DisLapVR (Preprint) Open
BACKGROUND Working in an operating room (OR) is physically and mentally challenging: the operation itself demands the surgeon's full attention, while time and cost efficiency constraints, daily planning, and emergency care interfere with t…
Synthetic Displays and Their Potential for Driver Assistance Systems Open
Advanced visual display technologies typically supplement the out-of-window view with separate displays (e.g., analog speedometer or artificial horizon) or with overlays (e.g., projected speedometer or map). Studies on head-up displays sug…
Influence of distraction factors on performance in laparoscopic Surgery in immersive Virtual Reality – a study protocol of a cross-over trial in medical students and residents - DisLapVR Open
Background Working in an operating room (OR) is physically and mentally challenging: the operation itself demands the surgeon’s full attention, while owing to time and cost efficiency constraints daily planning and emergency care keep inte…
Camera–Monitor Systems as An Opportunity to Compensate for Perceptual Errors in Time-to-Contact Estimations Open
For the safety of road traffic, it is crucial to accurately estimate the time it will take for a moving object to reach a specific location (time-to-contact estimation, TTC). Observers make more or less accurate TTC estimates of objects of…
Trial-by-trial feedback fails to improve the consideration of acceleration in visual time-to-collision estimation Open
When judging the time-to-collision (TTC) of visually presented accelerating vehicles, untrained observers do not adequately account for acceleration (second-order information). Instead, their estimations only rely on vehicle distance and v…
Emotionally congruent music and text increase immersion and appraisal Open
Numerous studies indicate that listening to music and reading are processes that interact in multiple ways. However, these interactions have rarely been explored with regard to the role of emotional mood. In this study, we first conducted …
Psychopathy and distance estimation Open
Research on psychopathy has so far been largely limited to the investigation of high-level processes, such as emotion perception and regulation. In the present work, we investigate whether psychopathy has an effect on the estimation of fun…
How facial masks alter the interaction of gaze direction, head orientation, and emotion recognition Open
The COVID-19 pandemic has altered the way we interact with each other: mandatory mask-wearing obscures facial information that is crucial for emotion recognition. Whereas the influence of wearing a mask on emotion recognition has been repe…
Optical see-through augmented reality can induce severe motion sickness Open
The aim was to investigate whether severe symptoms of visually induced motion sickness (VIMS) can occur in augmented reality (AR) optical see-through applications. VIMS has been extensively studied in virtual reality (VR), whereas it has r…
Vestibular Stimulation Causes Contraction of Subjective Time Open
As the cerebellum is involved in vestibular and time-keeping processes, we asked if the latter are related. We conducted three experiments to investigate the effects of vestibular stimulation on temporal processing of supra-second duration…
Stereo viewing upsets cinematic continuity: Filmic cuts are more salient in 3D than in 2D movies Open
Filmmakers have established editing rules that aim to create cinematic continuity across filmic cuts, thereby avoiding viewers’ confusion despite the abrupt changes in perception. In our present project, we investigated the impact of 3D fi…
Wider is better but sharper is not: optimizing the image of camera-monitor systems Open
The replacement of rear-view mirrors with camera-monitor systems introduces new opportunities for design, such as altering the image quality and the rearward field-of-view. We investigated how the image quality and field-of-view might affe…
Inverting the Wollaston Illusion: Gaze Direction Attracts Perceived Head Orientation Open
In the early 19th century, William H. Wollaston impressed the Royal Society of London with engravings of portraits. He manipulated facial features, such as the nose, and thereby dramatically changed the perceived gaze direction, although t…
Visually Induced Motion Sickness on the Horizon Open
Visually induced motion sickness is an unpleasant but common side-effect of many simulations and VR-applications. We investigated whether an earth-fixed reference frame provided in the simulation is able to reduce motion sickness. To do so…