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Authors

Motoyuki Akamatsu

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Motoyuki Akamatsu

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Publications by Motoyuki Akamatsu (bibliography)

» 2007 «

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Tamura, Hiroshi and Akamatsu, Motoyuki (2007): Society of Mobile Interactions. In: Smith, Michael J. and Salvendy, Gavriel (eds.) Symposium on Human Interface 2007 - Part II July 22-27, 2007, Beijing, China. pp. 655-663. Available online

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Sato, Toshihisa and Akamatsu, Motoyuki (2007): Analysis of Naturalistic Driving Behavior While Approaching an Intersection and Implications for Route Guidance Presentation. In: Smith, Michael J. and Salvendy, Gavriel (eds.) Symposium on Human Interface 2007 - Part II July 22-27, 2007, Beijing, China. pp. 618-627. Available online

» 1996 «

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Akamatsu, Motoyuki and MacKenzie, I. Scott (1996): Movement Characteristics using a Mouse with Tactile and Force Feedback. In International Journal of Human-Computer Studies, 45 (4) pp. 483-493

“A multi-modal mouse incorporating tactile and force feedback was tested in a target selection task with 12 subjects. Four feedback conditions (normal, tactile, force, tactile+force) were combined with three target distances and three target sizes. We found significant reductions in the overall movement times and in the time to stop the cursor after entering the target. This effect was particularly pronounced for the tactile condition and for small targets. However, compared to normal feedback, error rates were higher with the tactile and tactile+force conditions. The motor-sensory bandwidth calculated using Fitt's law, normalized for spatial variability, was highest in the presence of tactile feedback (6.4 bits/s). This was followed by tactile+force (6.2 bits/s), normal (5.9 bits /s), and force feedback (5.8 bits/s). These results indicate that modifying a mouse to include tactile feedback, and to a lesser extent, force feedback, offers performance advantages in target selection tasks.”

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Used on the following page:

» Fitts's Law: [/encyclopedia/fitts_law.html]

» 1994 «

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Akamatsu, Motoyuki and Sato, Sigeru (1994): A Multi-Modal Mouse with Tactile and Force Feedback. In International Journal of Human-Computer Studies, 40 (3) pp. 443-453

“We have developed a mouse with tactile and force feedback. Tactile information is provided to the operator by a small pin which projects slightly through the mouse button when pulsed. Force information is provided by an electromagnet inside the mouse in conjunction with an iron mouse pad. Tactile and force feedback are controlled by software linked to the visual information of targets on the visual display. In an empirical evaluation using a target selection task, the addition of tactile and force feedback shortened the response time and widened the effective area of targets. Design issues for interactive systems are discussed.”

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Akamatsu, Motoyuki, Sato, Sigeru and MacKenzie, I. Scott (1994): Multimodal Mouse: A Mouse-Type Device with Tactile and Force Display. In Presence: Teleoperators and Virtual Environments, 3 (1) pp. 73-80