Design of a wearable tactile display

Gemperle, Francine; Ota, Nobuyuki; Siewiorek, Dan

doi:10.1109/iswc.2001.962082

Cited by 100 publications

(74 citation statements)

References 4 publications

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“…According to Kandel and Jessell [74], Meissner's corpuscles and Merkel's cells respond to touch, Pacinian corpuscles respond to vibration, and Ruffini's corpuscles respond to rapid indentation of the skin. Vibration is detected best on hairy, bony skin and is more difficult to detect on soft, fleshy areas of the body [50].…”

Section: Perception and Parametersmentioning

confidence: 99%

“…When applying tactile stimuli to multiple points on the body, the distance between points is extremely important. Two-point discrimination is a measure that represents how far apart two pressure points must be before they are perceived as two distinct points on the skin [50]. The point of contact discrimination threshold for two points is 0.9mm when the stimuli are placed against the subject's finger in the absence of any movement lateral to the skin's surface.…”

Section: Location On the Bodymentioning

confidence: 99%

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Crossmodal Audio and Tactile Interaction with Mobile Touchscreens

Hoggan

Social and Organizational Impacts of Emerging Mobile Devices

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Touchscreen mobile devices often use cut-down versions of desktop user interfaces placing high demands on the visual sense that may prove awkward in mobile settings. The research in this thesis addresses the problems encountered by situationally impaired mobile users by using crossmodal interaction to exploit the abundant similarities between the audio and tactile modalities. By making information available to both senses, users can receive the information in the most suitable way, without having to abandon their primary task to look at the device.This thesis begins with a literature review of related work followed by a definition of crossmodal icons. Two icons may be considered to be crossmodal if and only if they provide a common representation of data, which is accessible interchangeably via different modalities. Two experiments investigated possible parameters for use in crossmodal icons with resultsshowing that rhythm, texture and spatial location are effective.A third experiment focused on learning multi-dimensional crossmodal icons and the extent to which this learning transfers between modalities. The results showed identification rates of 92% for three-dimensional audio crossmodal icons when trained in the tactile equivalents, and identification rates of 89% for tactile crossmodal icons when trained in the audio equivalent.Crossmodal icons were then incorporated into a mobile touchscreen QWERTY keyboard.Experiments showed that keyboards with audio or tactile feedback produce fewer errors and greater speeds of text entry compared to standard touchscreen keyboards. The next study examined how environmental variables affect user performance with the same keyboard. The data showed that each modality performs differently with varying levels of background noise or vibration and the exact levels at which these performance decreases occur were established.The final study involved a longitudinal evaluation of a touchscreen application, CrossTrainer, focusing on longitudinal effects on performance with audio and tactile feedback, the impact of context on performance and personal modality preference. The results show that crossmodal audio and tactile icons are a valid method of presenting information to situationally impaired mobile touchscreen users with recognitions rates of 100% over time.This thesis concludes with a set of guidelines on the design and application of crossmodal audio and tactile feedback to enable application and interface designers to employ such feedback in all systems.

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Section: Perception and Parametersmentioning

confidence: 99%

Section: Location On the Bodymentioning

confidence: 99%

Crossmodal Audio and Tactile Interaction with Mobile Touchscreens

Hoggan

Social and Organizational Impacts of Emerging Mobile Devices

View full text Add to dashboard Cite

show abstract

“…The outputs from the perceptual behaviors should consist of various kinds of vibrotactile signals conveying information via human tactile perception. Previous work evaluating a variety of tactile feedback systems has shown substantial potential (Geldard, 1975;Gemperle et al, 2001;Tan & Pentland, 1997;Tan et al, 2000;Traylor & Tan, 2002;Zelek et al, 2003). For example, Tan et al (2000) have derived several benefits by studying cutaneous sensory saltation in order to develop a haptic interface.…”

Section: Tactile Feedback Modulementioning

confidence: 99%

Perceptual Navigation for Semi-Autonomous Wheelchair Operations

Uchiyama¹,

Potter²,

Covington³

et al. 2008

Service Robot Applications

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“…Some of these tactors may have been more effective than others in terms of the ability of the wearer to localize the position of the individual tactors and to feel the tactile stimulation during dynamic situations. Previous studies in tactor localization have focused on mapping the sensitivity of various parts of the body to determine how far apart tactors must be to be felt as separate (Gemperle, Ota, & Siewiorek, 2001;van Erp, 2005a). In these studies, many tactors were placed in an area of the body and then sequentially activated.…”

Section: Introductionmentioning

confidence: 99%

Localization of Tactile Signals as a Function of Tactor Operating Characteristics

Redden¹,

Carstens²,

Turner³

et al. 2006

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show abstract

Design of a wearable tactile display

Cited by 100 publications

References 4 publications

Crossmodal Audio and Tactile Interaction with Mobile Touchscreens

Crossmodal Audio and Tactile Interaction with Mobile Touchscreens

Perceptual Navigation for Semi-Autonomous Wheelchair Operations

Localization of Tactile Signals as a Function of Tactor Operating Characteristics

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