DIS '02 Proceedings of the 4th conference on Designing interactive systems: processes, practices, methods, and techniques
Push me, shove me and I show you how you feel: recognising mood from emotionally rich interaction
DIS '02 Proceedings of the 4th conference on Designing interactive systems: processes, practices, methods, and techniques
DIS '04 Proceedings of the 5th conference on Designing interactive systems: processes, practices, methods, and techniques
Emotions and heart rate while sitting on a chair
Proceedings of the SIGCHI Conference on Human Factors in Computing Systems
eMoto: affectively involving both body and mind
CHI '05 Extended Abstracts on Human Factors in Computing Systems
The sensual evaluation instrument: Developing a trans-cultural self-report measure of affect
International Journal of Human-Computer Studies
Squeeze, rock, and roll; can tangible interaction with affective products support stress reduction?
Proceedings of the 2nd international conference on Tangible and embedded interaction
Exploring Manipulative Hand Movements During a Stressful Condition
ACII '07 Proceedings of the 2nd international conference on Affective Computing and Intelligent Interaction
Experiencing the Affective Diary
Personal and Ubiquitous Computing
How to design for transformation of behavior through interactive materiality
Proceedings of the 7th Nordic Conference on Human-Computer Interaction: Making Sense Through Design
Proceedings of the 8th International Conference on Tangible, Embedded and Embodied Interaction
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Sometimes, the way in which we interact with products implicitly communicates how we feel. Based on previous studies on how emotions can be detected and communicated via product interaction, we discuss how an interactive product could influence affect by responding and changing behaviors expressing affect. We discuss the proposal of the affective feedback loop in product interaction by its implementation in the prototype of a pen that senses two implicit behaviors related to restlessness, rock and roll. Furthermore, the pen provides inherent feedback, focusing on the perceptual motor skills, as a means to reflect on these behaviors. The pen was evaluated in an experiment, by which we explored whether this type of feedback would influence the emotional experience. Two participant groups were compared, and participants that used the pen with feedback showed a lower heart rate throughout the whole experiment. Because these participants were not aware that the pen provided any feedback, we propose the concept of unaware interaction and discuss what its implications are for design.