TY - GEN
T1 - Haptic adjustment of cylinder radius
AU - Kappers, Astrid M L
PY - 2010
Y1 - 2010
N2 - Haptic curvature discrimination experiments have typically been done with relatively small stimuli (at most hand-sized) placed on a table. In daily life, however, we often handle large curved objects (think of basket balls), which we usually hold with two hands. Here, I focus on the question how well shape information from the two hands is integrated. I investigated subjects' ability to adjust the distance between two large cylindrical shells in such a way that the two shells together would perceptually form a circular cylinder. All subjects were able to perform this task in a consistent way, but adjustments were often far from veridical. As deviations were often larger than discrimination thresholds, I hypothesize that they are either due to systematic biases in curvature perception or to misestimations of the distance between the hands. These results contribute to our understanding of haptic shape perception.
AB - Haptic curvature discrimination experiments have typically been done with relatively small stimuli (at most hand-sized) placed on a table. In daily life, however, we often handle large curved objects (think of basket balls), which we usually hold with two hands. Here, I focus on the question how well shape information from the two hands is integrated. I investigated subjects' ability to adjust the distance between two large cylindrical shells in such a way that the two shells together would perceptually form a circular cylinder. All subjects were able to perform this task in a consistent way, but adjustments were often far from veridical. As deviations were often larger than discrimination thresholds, I hypothesize that they are either due to systematic biases in curvature perception or to misestimations of the distance between the hands. These results contribute to our understanding of haptic shape perception.
KW - bimanual perception
KW - curvature
KW - Shape
UR - http://www.scopus.com/inward/record.url?scp=77955125433&partnerID=8YFLogxK
U2 - 10.1007/978-3-642-14075-4_63
DO - 10.1007/978-3-642-14075-4_63
M3 - Conference contribution
AN - SCOPUS:77955125433
SN - 3642140742
SN - 9783642140747
VL - 6192 LNCS
T3 - Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
SP - 426
EP - 431
BT - Haptics: Generating and Perceiving Tangible Sensations - International Conference, EuroHaptics 2010, Proceedings
T2 - International Conference on Haptics: Generating and Perceiving Tangible Sensations, EuroHaptics 2010
Y2 - 8 July 2010 through 10 July 2010
ER -
