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Dynamic TouchIn the absence of vision, environmental properties must still be perceived in order that activity can be guided effectively. How are properties such as size, shape, distance, orientation, and so on revealed in the tissue deformations that ac company wielding an object with the hand or exploring with a hand-held object such as a cane? How are muscular forces and reactive forces, both of which are time-dependent, coupled? The inertia tensor, a time-invariant quantity, has been shown to underlie perception of a variety of properties by dynamic touch. Experiments involving tensor manipulations reveal which properties ought to be perceivable by touch, which ought to be confused, and how the relevant information compares to that available to vision and hearing. In addition to the perception of properties of hand-held objects, recent research has focused upon awareness of one's own body. The eigenvectors of the inertia tensor, rather than joint angles or gravitational torque, have been shown to underly the perception of limb orientation. Research currently being conducted and planned for the future will examine how multijoint movement trajectories are affected by manip ulations of the arm's mass distribution. Faculty: Claudia Carello, Jeff Kinsella-Shaw, Claire Michaels, Michael Turvey CESPA Fellows: Paula Fitzpatrick Graduate Students: Steve Harrison, Robert Isenhower
Representative PublicationsCooper, M., Carello, C., & Turvey, M. T. (2000). Perceptual independence of whole length, partial length, and hand position in wielding a rod. Journal of Experimental Psychology: Human Perception and Performance, 26, 74-85. Riley, M., Wagman, J., Santana, M-V., Carello, C., & Turvey, M. T. (2002). Perceptual behavior: Recurrence analysis of a haptic exploratory procedure. Perception, 31, 481-510. Wagman, J., & Carello, C. (2003). Haptically creating affordances: Grasping so as to create functional objects. Journal of Experimental: Applied, 9, 175-186. Withagen, R., & Michaels, C. F. (2003). Transfer of Calibration in Dynamic Touch: Length and Sweet-Spot Perception. In S. Rogers & J. Effken (Eds.), Studies in perception and action VII, (pp. 91 – 94). Mahwah, NJ: Lawrence Erbaum Associates. Carello, C. & Turvey, M. T. (2004). Physics and psychology of the muscle sense. Current Directions in Psychological Science, 13, 25-28. Carello, C. (2004). Perceiving affordances by dynamic touch: hints from the control of movement. Ecological Psychology, 16, 31-36. Mitra, S., & Turvey, M. T. (2004). A rotation invariant in three-dimensional reaching. Journal of Experimental Psychology: Human Perception and Performance, 30, 163-179. Shockley, K., Carello, C., & Turvey, M. T. (2004). Metamers in the haptic perception of heaviness and moveable–ness. Perception & Psychophysics, 66, 731-742. Withagen, R., & C. F. Michaels (2004). Transfer of calibration in length perception by dynamic touch. Perception & Psychophysics, 66, 1295-1305. Carello, C., Wagman, J. B., & Turvey, M. T. (2005). Acoustic specification of object properties. In J. Anderson and B. Anderson (Eds.), Moving image theory: Ecological considerations (pp. 79-104). Carbondale, IL: Southern Illinois University Press. Carello, C. & Moreno, M. (2005). Why nonlinear methods? In M. A. Riley & G. Van Orden (Eds). Tutorials in contemporary nonlinear methods for the behavioral sciences (pp. 1-25). Washington, D.C.: NSF. Withagen, R., & Michaels, C. F. (2005). Information for calibration and information for attunement in length perception by dynamic touch. Journal of Experimental Psychology: Human Perception and Performance, 31, 1379-1390. Carello, C., Kinsella-Shaw, J., Amazeen, E., & Turvey, M. T. (2006). Peripheral neuropathy and object length perception by effortful (dynamic) touch: A case study. Neuroscience Letters, 405, 159-163. Hajnal, A., Fonseca, S., Kinsella-Shaw, J., Silva, P., Carello, C., & Turvey, M. T. (2007). Haptic selective attention by foot and by hand. Neuroscience Letters, 419, 5-9. Hajnal, A., Fonseca, S. T., Harrison, S., Kinsella-Shaw, J. M., & Carello, C. (2007). Comparison of dynamic (effortful) touch by hand and foot. Journal of Motor Behavior, 39, 82-88. Isenhower, R. W. (g), Arzamarski, R, (g) & MICHAELS, C. F. (2007). Grasped Diameter and the Information Space for Haptic Length Perception In M. Riley and & K. Shockley (Eds.), Studies in perception and action, IX. Mahwah, NJ: Erlbaum. Michaels, C. F., Weier, Z., & Harrison, S. J., (2007). Using vision and dynamic touch to perceive the Withagen, R., & C. F. Michaels (2007). Transfer of calibration between length and sweet-spot perception in dynamic touch. Ecological Psychology, 19, 1-19. Michaels, C. F., Arzamarski, R. Isenhower, R., & Jacobs, D. M. (2008). Direct learning in dynamic touch. Journal of Experimental Psychology: Human Perception and Performance, 34(4), 944-957. Carello, C., & Wagman J. B. (2009). Mutuality in the perception of affordances and the control of movement. In D. Sternad (Ed.) Progress in Motor Control control (pp. 273-292). Springer Verlag. Turvey, M. T., & Fonseca, S. (2009). Nature of motor control: Perspectives and issues. In D. Sternad (Ed.) Progress in motor control: A multidisciplinary perspective (pp. 93-123). New York: Springer Verlag. Carello, C., Silva, P. L., Kinsella-Shaw, J. M., & Turvey, M. T. (2009). Sensory and motor challenges to muscle-based perception. Brazilian Journal of Physical Therapy, 12, 339-350. Wagman, J. B., Carello, C., Schmidt, R. C., & Turvey, M. T. (in press). Is perceptual learning unimodal? Ecological Psychology.
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