Negative hysteresis in the behavioral dynamics of the affordance graspable

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Title: Negative hysteresis in the behavioral dynamics of the affordance graspable
Authors: Lopresti-Goodman, Stacy M.
Turvey, Michael T.
Frank, Till D.
Permanent link: http://hdl.handle.net/10197/5693
Date: 8-Mar-2013
Abstract: One commonly perceives whether a visible object will afford grasping with one hand or with both hands. In experiments in which differently sized objects of a fixed type are presented, the transition from using one of these manual modes to the other depends on the ratio of object size to hand span and on the presentation sequence, with size increasing versus decreasing. Conventional positive hysteresis (i.e., a larger transition ratio for the increasing sequence) can be accommodated by the order parameter dynamics that typify self-organizing systems (Lopresti-Goodman, Turvey, and Frank, Attention, Perception, & Psychophysics 73:1948–1965, 2011). Here we identified and addressed conditions of unconventional negative hysteresis (i.e., a larger transition ratio for the decreasing sequence). They suggest a second control parameter in the self-organization of affordance perception, one that is seemingly regulated by inhibitory dynamics occurring in the agent–task–environment system. Our experimental results and modeling extend the investigation of affordance perception within dynamical systems theory.
Type of material: Journal Article
Publisher: Springer - Psychonomic Society
Copyright (published version): 2013 Springer - Psychonomic Society
Keywords: Affordances;Grasping;Dynamic modeling;Hysteresis
DOI: 10.3758/s13414-013-0437-x
Language: en
Status of Item: Peer reviewed
Appears in Collections:SBI Research Collection

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