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El control visual de la acción, pero no la percepción, requiere un procesamiento analítico de la forma del objeto
1CIHR Group on Action and Perception, Department of Psychology, University of Western Ontario, London, Ontario N6A 5C2, Canada. tganel@uwo.ca
Nature
|December 12, 2003
Resumen
La visión para la percepción procesa la forma del objeto de manera holística, mientras que la visión para la acción analiza las dimensiones de la forma de forma independiente. Esta diferencia permite acciones precisas como agarrar, incluso cuando la percepción es holística.
Área de la Ciencia:
- Psicología Cognitiva Psicología cognitiva.
- La neurociencia es la neurociencia.
- La percepción visual es la percepción visual.
Sus antecedentes:
- La percepción de la forma del objeto se basa en el procesamiento holístico, integrando dimensiones.
- El control visual de la acción requiere aislar las dimensiones relevantes para tareas como agarrar.
Objetivo del estudio:
- Investigar las diferencias entre la visión para la percepción y la visión para la acción.
- Para determinar si las dimensiones relevantes para la acción pueden aislarse de las no relevantes.
Principales métodos:
- Dos experimentos evaluaron la capacidad de los participantes para juzgar la anchura del objeto o agarrar objetos por anchura.
- Se instruyó a los participantes a ignorar la longitud del objeto en las tareas de percepción y acción.
Principales resultados:
- Los participantes no podían ignorar la longitud del objeto al juzgar la anchura perceptualmente.
- Los participantes ignoraron con éxito la longitud del objeto al agarrar objetos por anchura.
Conclusiones:
- La visión para la percepción y la visión para el proceso de acción, las dimensiones de la forma del objeto y la forma del objeto son diferentes.
- El procesamiento analítico de las dimensiones de la forma se produce durante las acciones guiadas visualmente, en contraste con la percepción holística.
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