Abstract
Haptic object perception is still poorly understood up to now. This study investigated the ability of human fingers to discriminate the volume of objects by passive touch. Experiments measured the discrimination threshold of volume using three tasks: passive tactile volume perception, passive tactile area perception, and active tactile volume perception. In each trial, we utilized two plastic cubes to successively stimulate the fingers, and participants were instructed to make comparisons between the stimulus objects’ volume and area. Results showed that there was no significant difference in the discrimination thresholds of tactile volume perception between passive touch and active touch, whereas significant differences in the discrimination thresholds between fingertips, such as the thumb versus the pinky finger. In passive touch, the discrimination thresholds of volume perception were larger than that with surface area perception. We found that the discrimination of the volume of objects is more difficult than the discrimination of the area of the objects.
| Original language | English |
|---|---|
| Journal | Perception |
| DOIs | |
| Publication status | Accepted/In press - Jan 1 2019 |
| Externally published | Yes |
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Keywords
- active tactile perception
- area perception
- discrimination threshold
- passive tactile perception
- volume perception
ASJC Scopus subject areas
- Experimental and Cognitive Psychology
- Ophthalmology
- Sensory Systems
- Artificial Intelligence
Cite this
Discrimination Thresholds for Passive Tactile Volume Perception by Fingertips. / Zhang, Jian; Zhang, Zhilin; Go, Ritsu; Li, Chunlin; Wu, Jinglong.
In: Perception, 01.01.2019.Research output: Contribution to journal › Article
}
TY - JOUR
T1 - Discrimination Thresholds for Passive Tactile Volume Perception by Fingertips
AU - Zhang, Jian
AU - Zhang, Zhilin
AU - Go, Ritsu
AU - Li, Chunlin
AU - Wu, Jinglong
PY - 2019/1/1
Y1 - 2019/1/1
N2 - Haptic object perception is still poorly understood up to now. This study investigated the ability of human fingers to discriminate the volume of objects by passive touch. Experiments measured the discrimination threshold of volume using three tasks: passive tactile volume perception, passive tactile area perception, and active tactile volume perception. In each trial, we utilized two plastic cubes to successively stimulate the fingers, and participants were instructed to make comparisons between the stimulus objects’ volume and area. Results showed that there was no significant difference in the discrimination thresholds of tactile volume perception between passive touch and active touch, whereas significant differences in the discrimination thresholds between fingertips, such as the thumb versus the pinky finger. In passive touch, the discrimination thresholds of volume perception were larger than that with surface area perception. We found that the discrimination of the volume of objects is more difficult than the discrimination of the area of the objects.
AB - Haptic object perception is still poorly understood up to now. This study investigated the ability of human fingers to discriminate the volume of objects by passive touch. Experiments measured the discrimination threshold of volume using three tasks: passive tactile volume perception, passive tactile area perception, and active tactile volume perception. In each trial, we utilized two plastic cubes to successively stimulate the fingers, and participants were instructed to make comparisons between the stimulus objects’ volume and area. Results showed that there was no significant difference in the discrimination thresholds of tactile volume perception between passive touch and active touch, whereas significant differences in the discrimination thresholds between fingertips, such as the thumb versus the pinky finger. In passive touch, the discrimination thresholds of volume perception were larger than that with surface area perception. We found that the discrimination of the volume of objects is more difficult than the discrimination of the area of the objects.
KW - active tactile perception
KW - area perception
KW - discrimination threshold
KW - passive tactile perception
KW - volume perception
UR - http://www.scopus.com/inward/record.url?scp=85074014429&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=85074014429&partnerID=8YFLogxK
U2 - 10.1177/0301006619878560
DO - 10.1177/0301006619878560
M3 - Article
AN - SCOPUS:85074014429
JO - Perception
JF - Perception
SN - 0301-0066
ER -