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DOI:	10.1371/journal.pone.0093363
论文题名:	Contact Force and Scanning Velocity during Active Roughness Perception
作者:	Yoshihiro Tanaka; Wouter M. Bergmann Tiest; Astrid M. L. Kappers; Akihito Sano
刊名:	PLOS ONE
ISSN:	1932-6203
出版年:	2014
发表日期:	2014-3-27
卷:	9, 期:3
语种:	英语
英文关键词:	Sensory perception ; Classical mechanics ; Psychophysics ; Touch ; Behavior ; Tactile sensation ; Human mobility ; Robotic behavior
英文摘要:	Haptic perception is bidirectionally related to exploratory movements, which means that exploration influences perception, but perception also influences exploration. We can optimize or change exploratory movements according to the perception and/or the task, consciously or unconsciously. This paper presents a psychophysical experiment on active roughness perception to investigate movement changes as the haptic task changes. Exerted normal force and scanning velocity are measured in different perceptual tasks (discrimination or identification) using rough and smooth stimuli. The results show that humans use a greater variation in contact force for the smooth stimuli than for the rough stimuli. Moreover, they use higher scanning velocities and shorter break times between stimuli in the discrimination task than in the identification task. Thus, in roughness perception humans spontaneously use different strategies that seem effective for the perceptual task and the stimuli. A control task, in which the participants just explore the stimuli without any perceptual objective, shows that humans use a smaller contact force and a lower scanning velocity for the rough stimuli than for the smooth stimuli. Possibly, these strategies are related to aversiveness while exploring stimuli.
URL:	http://journals.plos.org/plosone/article/file?id=10.1371/journal.pone.0093363&type=printable
Citation statistics:
资源类型:	期刊论文
标识符:	http://119.78.100.158/handle/2HF3EXSE/19135
Appears in Collections:	过去全球变化的重建影响、适应和脆弱性科学计划与规划气候变化与战略全球变化的国际研究计划气候减缓与适应气候变化事实与影响

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journal.pone.0093363.PDF（1089KB）	期刊论文	作者接受稿	开放获取	CC BY-NC-SA	View Download

作者单位:

Department of Engineering Physics, Electronics and Mechanics, Graduate School of Engineering, Nagoya Institute of Technology, Nagoya, Japan;Helmholtz Institute, Utrecht University, Utrecht, The Netherlands;Helmholtz Institute, Utrecht University, Utrecht, The Netherlands;Department of Engineering Physics, Electronics and Mechanics, Graduate School of Engineering, Nagoya Institute of Technology, Nagoya, Japan

Recommended Citation:

Yoshihiro Tanaka,Wouter M. Bergmann Tiest,Astrid M. L. Kappers,et al. Contact Force and Scanning Velocity during Active Roughness Perception[J]. PLOS ONE,2014-01-01,9(3)

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