Marianna Obrist

schoolUniversity of Sussexbar_chart#1114 Global Rank

Total Papers

HCI Rank

#1114

Research Areas

Years Active

Recent Publications

CARoma Therapy: Pleasant Scents Promote Safer Driving, Better Mood, and Improved Well-Being in Angry Drivers

Driving is a task that is often affected by emotions. The effect of emotions on driving has been extensively studied. Anger is an emotion that dominates in such investigations. Despite the knowledge on strong links between scents and emotions, few studies have explored the effect of olfactory stimulation in a context…

CHI '205th+ AuthorDesktop 3D Printing & Personal Fabrication +2

FoodFab: Creating Food Perception Illusions using Food 3D Printing

Personalization of eating such that everyone consumes only what they need allows improving our management of food waste. In this paper, we explore the use of food 3D printing to create perceptual illusions for controlling the level of perceived satiety given a defined amount of calories. We present FoodFab, a system t…

CHI '205th+ AuthorBrain-Computer Interface (BCI) & Neurofeedback +2

Next Steps for Human-Computer Integration

Human-Computer Integration (HInt) is an emerging paradigm in which computational and human systems are closely interwoven. Integrating computers with the human body is not new. however, we believe that with rapid technological advancements, increasing real-world deployments, and growing ethical and societal implicatio…

CHI '194th AuthorMid-Air Haptics (Ultrasonic)

Sampling Strategy for Ultrasonic Mid-Air Haptics

Mid-air tactile stimulation using ultrasonics has been used in a variety of human computer interfaces in the form of prototypes as well as products. When generating these tactile patterns with mid-air tactile ultrasonic displays, the common approach has been to sample the patterns using the hardware update rate capabi…

CHI '19CorrespondingHaptic Wearables +1

"Like Popcorn": Crossmodal Correspondences Between Scents, 3D Shapes and Emotions in Children

There is increasing interest in multisensory experiences in HCI. However, little research considers how sensory modalities interact with each other and how this may impact interactive experiences. We investigate how children associate emotions with scents and 3D shapes. 14 participants (10-17yrs) completed crossmodal…

IUI '195th+ AuthorHead-Up Display (HUD) & Advanced Driver Assistance Systems (ADAS) +1

S(C)ENTINEL - Monitoring Automated Vehicles with Olfactory Reliability Displays

Overreliance in technology is safety-critical and it is assumed that this could have been a main cause of severe accidents with automated vehicles. To ease the complex task of permanently monitoring vehicle behavior in the driving environment, researchers have proposed to implement reliability/uncertainty displays. Su…

CHI '19CorrespondingMid-Air Haptics (Ultrasonic) +2

I'm Sensing in the Rain: Spatial Incongruity in Visual-Tactile Mid-Air Stimulation Can Elicit Ownership in VR Users

Major virtual reality (VR) companies are trying to enhance the sense of immersion in virtual environments by implementing haptic feedback in their systems (e.g., Oculus Touch). It is known that tactile stimulation adds realism to a virtual environment. In addition, when users are not limited by wearing any attachments…

CHI '184th AuthorIn-Vehicle Haptic, Audio & Multimodal Feedback +2

Beyond the Libet Clock: Modality Variants for Agency Measurements

The Sense of Agency (SoA) refers to our capability to control our own actions and influence the world around us. Recent research in HCI has been investigating SoA to provide users an instinctive sense of “I did that” as opposed to “the system did that”. However, current agency measurements are limited. The Intentional…

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