Response interference between functional and structural actions linked to the same familiar object |
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| Authors: | Steven A. Jax Laurel J. Buxbaum |
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| Affiliation: | 1. School of Psychology, Bangor University, Bangor, UK;2. Department of Psychological Sciences, University of Missouri, Columbia, MO, USA;3. Christine M. Kleinert Institute, Louisville, KY, USA;1. Laboratoire d’Etude des Mécanismes Cognitifs, Université de Lyon, Lyon, France;2. Institut Universitaire de France, Paris, France;3. CNRS, Institut de Neurosciences Cognitives et Intégratives d’Aquitaine, Université de Bordeaux, Bordeaux, France;4. Centre de Recherche en Neurosciences de Lyon, Integrative, Multisensory, Perception, Action, & Cognition Team, Université de Lyon, Lyon, France;5. Mouvement,Handicap, et Neuro-Immersion, Hospices Civils de Lyon et Centre de Recherche en Neurosciences de Lyon, Hôpital Henry Gabrielle, St Genis Laval,France;6. Laboratoire de Psychologie, Université de Bourgogne Franche-Comté, Besançon, France;1. Purdue University, United States;2. Oregon State University, United States;1. Department of Psychological Sciences, University of Missouri, USA;2. Brain Imaging Center, University of Missouri, USA;3. Department of Psychology, University of Konstanz, Germany;4. Lurija Institute, Kliniken Schmieder, Germany;5. School of Psychology, Bangor University, UK;6. School of Medicine, Washington University Saint Louis, USA |
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| Abstract: | Viewing objects with the intention to act upon them may activate task-irrelevant motor responses. Many manufactured objects are associated with two action classes: grasping in accordance with object structure and skillful use consistent with object function. We studied the potential for within-object competition during action selection by comparing initiation latencies for “conflict” objects (with competing structure and function responses) to “non-conflict” objects (with a single response). We demonstrated a novel pattern of within-object interference wherein actions involving conflict objects were slowed when participants skillfully used those objects (grasp-on-use interference) as well as a second pattern of interference when conflict objects were grasped after skillfully using the same objects in previous blocks (long-term use-on-grasp interference). These data suggest that actions to common objects are influenced by competition between rapid but briefly maintained grasp responses and slower but longer-lasting use responses, and advance our understanding of the process and neural substrates of selection for action. |
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