Appreciation of Living: Bringing Chinese Aesthetics into Personal Informatics Design Abstract Bin (Tina) Zhu KTH Royal Institute of Technology Stockholm, Sweden [email protected] Xiaojuan Ma Huawei Noah’s Ark Lab Hong Kong Science Park, Shatin, N.T., Hong Kong [email protected] Yanqing Zhang We explore how Chinese Aesthetics might bring new concepts to HCI, specifically health related personal Informatics (PI). Different from the goal-oriented perspective, we study how Taoist philosophical concept “Naturalization of humans” directs the design practice to create a holistic, harmonious experience through encouraging aesthetic appreciation of the living. We compare two design cases Fish’N’Steps and YU given that they use a similar representation but for totally different motivations and goals. Design implications are drawn to inspire future interaction design. Stockholm University Stockholm, Sweden Author Keywords [email protected] Chinese Aesthetics, Taoism, Personal informatics, Health, Wellbeing, Appreciation, Body, Experience ACM Classification Keywords H.5.m. Information interfaces and presentation (e.g., HCI): Miscellaneous. Introduction Copyright is held by the author/owner(s). CHI’15, April 18 – 23, 2015, Seoul, Korea. ACM Humans have a long history of pursuing the idea of “Know Thyself,” from the inscription of "Gnothi seauton" at ancient Greek temple, to the statement of “Knowing others is intelligence, knowing yourself is true wisdom” in Tao Te Ching, to what William Shakespeare wrote in Halmet “This above all, to thyne own self be true.” Natural and social scientists in various fields have been exploring how human body and mind function and how humans behave using theoretical and empirical methods. Emerging Personal Informatics Systems which are powered by pervasive sensor and mobile technology make such knowledge more readily accessible to ordinary people. Personal Informatics (PI) concerns about collecting personally relevant physical, psychological and behavioral information for the purpose of selfawareness, self-monitoring, and self-reflection [3,4,9]. 1 Many existing PI systems take a technology-centric, data-driven approach and are often goal-oriented. With the help of mobile and wearable devices, these systems allow users to keep track of their bio-medical status and daily activities via numbers and graphs, in other words, to “quantify self” [7]. For example, motion sensors can record how many steps one has walked and how many hours one has slept (e.g Fitbit). Wearable heart rate and blood oxygen monitors (e.g. in Withings Pulse) can measure one’s vital signs. GPS, camera and microphone can provide further contextual information regarding one’s habits and activities. By working with data, users can gain a more analytic understanding of their body and mind, and can make more rational decisions to promote certain behavior or lifestyle [4]. Although quantifying self is an intuitive method for individuals to assess their performance and progress 1 http://well.blogs.nytimes.com/projects/activity-trackers. towards certain goals, many users of PI systems found the data sparse, noisy, sometimes hard to interpret, and difficult to form a big picture [4]. Therefore, there is a rising trend of shifting from personal analytics to knowing thyself from a holistic view. Instead of setting a goal for their users, the experience-oriented PI systems try to engage people in the appreciation of living [11]. Similar to what was proposed in Tao Te Ching, the hedonic design of PI would like users to keep their mind from judging and being led by the senses and desires; rather, it encourages exploration and aesthetic appreciation of human body and mind. Holistic Experience-Oriented Personal Informatics Design Researchers, designers, and artists have been exploring the design space of holistic experience-based presentation of personal informatics. Such presentations can take a variety of forms. For example, Khut et al. put up several installations of simple geometric visualization of real-time heart and breath rate data [2]. Inspired by the philosophy of Somaesthetics [13], Schiphorst et al. designed the Exhale exhibition [12], which looked into the empathic nature of breath sharing in a network of people. Participants could feel one another’s breath via vibrators sewed into the wristbands and speakers embedded in the fabric of sensually evocative skirts. Instead of having participants watch out for anomaly in their own vital signs, these projects guided them to enjoy the beauty and excitement of living. Similar thinking can be found in Eastern Philosophy. Instead of using simple design of abstract or physical representations as the projects mentioned above, influential Chinese philosophers in Taoism Laozi and Zhuangzi proposed the idea of self-realization, i.e. projecting the self to the nature and tracing all manifestation back to the origin of all external forms. Naturalization of Humans Zhuangzi is one of the most important figures in the Taoist school of thinking (Taoist metaphysics). He suggests a “naturalization of humans”, which requires that “men should not only have a close emotional relationship with nature, but also that our bodily form should directly resemble nature”[8]. This “naturalization” means casting aside our animal nature to work actively in accordance with the principles of nature[5]. The famous Zhuangzi’s butterfly dream (Figure 1) is a good illustration of blurring the boundary between human being and the nature. Figure 1. A Chinese painting depicting Zhuangzi’s butter fly dream (http://www.thephilosopher.co.uk/butter.htm). Chinese Aesthetics embraces the idea of naturalization, resonating everyday experiences with the nature. For instance, animals or plants are a common metaphor of the artists themselves in Chinese ink paintings (Figure 1). Artists attune themselves to inspiration — a moment in which natural and spiritual beauty converge – in such practices. Metaphorical Display in Goal-Oriented Personal Informatics Design This idea is different from the existing metaphorical design of PI information display, such as the fish tank in Fish’N’Steps [6] and the growing tree and polar bears in Ubigreen [1]. While naturalization stresses resonation rather than evaluation, these metaphorical depictions, usually aesthetically pleasing, tend to draw a clear distinction between “good” and “bad” conditions with the goal of directing users to achieve a desirable state. Take Fish ‘N’ Steps, a fish tank-like virtual pet social game to display pedometer data, as an example. The appearance, emotion, and movement of the animated fish avatars reflects users’ progress towards meeting their daily walking goal. A fish would smile if its user has taken enough steps, and cry otherwise. People compete to see who owns the “healthiest and happiest” fish in the tank. Following Prochaska's Transtheoretical Model of Behavioral Change, this type of intervention promotes target behaviors by increasing users’ awareness and creating a social context that is both cooperative and competitive. Evaluation showed that the game was fun and engaging, but many users who failed to conduct the desired behavior got discouraged and lost a sense of attachment to their virtual pets (crying, not growing fish). In addition, competition can be an incentive or a cause of stress. Figure 2. YU: an all-in-one installation that includes three parts: a These effects are commonly seen in evaluative, goaloriented designs. Therefore, we propose a new way of conceptualizing our health data, which intends to improve users’ quality of life through “appreciation of living”. The experience of living with data is highlighted through our design case YU[15]. element. We designed the interface (Figure 2) in the game engine Unity 3D to visualize and render a user’s bio-data in real time. By doing so, live video clips of a dynamic fish swimming in the water are generated. Meanwhile, users can hear the cicada calls and the sound of water when the fish moves. YU: a Naturalization Design of Personal Data This design has its root in the Chinese culture and aesthetics. The word for fish, “YU 鱼” in Chinese, is a YU is an interactive display of the pulse and heart rate variability (HRV) data. We also create a virtual “fish” avatar as the carrier of health information in YU, but we design it to be a hedonic experience of wellbeing as inspired by Chinese aesthetic theories of naturalization. sensing unit, a monitoring unit, and a display unit. YU is a portable all-in-one installation that includes three parts: a sensing unit, a monitoring unit, and a display unit (Figure2). The sensing unit is a pulse sensor on the top of a box. The monitoring unit is a screen embedded on the side of the box. And the box itself encloses a projector as the display unit. When people put a hand on the box, the system will measure pulse and HRV (heart rate variability) and visualize them on the screen. People can also display the interface in their surroundings, for instance on the wall (Figure 3). Additionally, we created another prototype where the fish can be projected in the real water of a fish bowl and appears to be a real fish (Figure 3). To highlight the differences between metaphorical representation in goal-oriented design and naturalization in experience-oriented design, we compare YU to Fish’N’Steps from various aspects. Figure 3. Two alternatives of displays Representation The display of YU consists of a swimming fish in a Zen pond in Chinese ink painting style. It has no numeric homophone for "abundance" and "affluence". Fish is the symbol of good fortune and peace in many Zen stories. Red fish in particular represents success, love and domestic felicity. It is no wonder that fishponds often appear in Asian gardens. Fish such as koi, are treated as pets or treasured possessions by their owners. Drawing upon these rich symbolic meanings, YU used a fish as the naturalized metaphor to represent people’s bodies and their wishes for wellbeing. Different from the cartoon-style fish in Fish’N’Steps, YU’s Chinese ink painting-like display brings to users a peaceful experience. It lets users immerse in the beauty of Zen through abstract forms, texture and effects with the fewest possible lines and tones. Importantly,It captures the spirit of the subject matter rather than simply reproducing the appearance. It is worth noting that the facial expression of the fish is eliminated in our design case, since it is usually perceived as an indicator of subjective judgment and personal attitude of the designers and may backfire. Reflecting upon lessons from Fish’N’Steps, instead of diagnosing abnormal condition or stress level, YU leads users to feel the vitality in pulse and HRV data. Mapping In accordance with our design concept of appreciating the living, the display of YU does not show any numbers or signs indicating positive, negative or standard body status. Instead, we offer users an enjoyable and holistic view to perceive their bodily status through a metaphorical display. The velocity of the fish’s movement maps to a user’s pulse. The number of bubbles and the opacity of the fish maps to SDNN (Standard Deviation of Normal to Normal intervals) and HRV, which are two significant indicators associated with regulating the function and selfadjustment capability of the Autonomic Nervous System (ANS). From the raw data to the display, YU adopts a counter-intuitive mapping, which means that one will see a calm fish if one’s heart rate is in a high value or an active fish if one’s heart rate is slow. This design principle resonates with Chinese philosopher Zhuangzi. As he argued, distinctions between good and bad, or positive and negative are perceptions rather than really existing. Opposite or contrary forces are actually complementary, interconnected and interdependent in the natural world. These complementary forces interact to form a harmonious and dynamic system in which the whole is greater than its parts [14]. He encouraged people to take an aesthetic and positive attitude to appreciating their bodies. In the design of YU, the fish plays the role of the complementary force of the participant’s body. We present the opposite experience through the fish for people to perceive, appreciate and self-regulate through the process of biofeedback. Feedback In the user study of YU, participants expressed their interest and curiosity of mirroring their body as a fish. As they described the experience of interaction, they felt a strong sense of presence at the moment. A participant (59, Male, Chinese) considered the fish to be a dynamic display of his body. As he said, he was experiencing his heart rate in the course of observing the fish. It was unprecedented for him to enjoy the pattern of his heart rate variability and appreciate the rhythm of the body. We can interpret this appreciation in two ways. First, the mapping keeps participants’ heart rate variability in a dynamic balance. Second, the mapping doesn’t show any positive or negative diagnosis. One will see a calm fish if one’s heart rate is high or an active fish if one’s heart rate is low. This kind of display doesn’t provide people with any normal or unhealthy alert. All the physiological changes are natural which should not be judged as positive or negative. This design principle was drawn from the concept of Harmony from Chinese aesthetic theory, especially from Zhuangzi’s thoughts. As he claimed, the human body is a good example of such a harmonious and dynamic system. Ups and downs, stress and depression, are as natural as the four seasons which should not be judged as positive or negative. “Be warm like the spring with all things” [16]. The feedback from the participants fulfilled our expectations that Yu can help to regulate individuals to some extent through interconnection with the “fish” as the complementary force of the human body. Design Implications Based on the comparison of two wellbeing-related design cases Fish’N’Steps and YU, we summarize several strategies with influence of Eastern philosophies that can be employed in future personal health information design: § Value is the start point of designing everything. Opening the mind and embracing the body through appreciating it instead of controlling it can bring more insights and design alternatives. Chinese Aesthetics and Taoism inspire a holistic experienceoriented design thinking for personal informatics. § Naturalization of humans, the concept from eastern philosophies, which can be applied by the design of living representations to achieve the affinity between participants and the displays. § Various means of mapping, which can create different and rich experiences. Direct way of mapping may bring unnecessary stress and kill people’s imaginations and interests. In some contexts, reversed mapping trigger reflections and reactions that benefit to the wellbeing. Conclusion and Challenge Chinese philosophies have inspiring insights into experience-oriented design of personal health information that encourages exploration and aesthetic appreciation of living. By comparing two design cases Fish’N’Steps and YU, we propose how the philosophical concept “Naturalization of humans” can direct the design practice to create a holistic, harmonious experience. In addition, evaluating experience-oriented design can be challenging. Whether and to what extent users learn to appreciate living via interacting with the design can be subtle, personal, and incremental. We expect more explorations in this promising domain. References [1] Froechlich, J., Dillahunt, T., Klasnja, P., Mankoff, J., Consolvo, S., Harrison, B., Landay, J.A. (2009). Ubigreen: Investigating a mobile tool for tracking and supporting Green Transportation Habits. In Proc. CHI2009. 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