David Bourget (Western Ontario)
David Chalmers (ANU, NYU)
Rafael De Clercq
Jack Alan Reynolds
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Spatial Vision 14 (1):21-44 (2000)
b>—Several paradigms (e.g. change blindness, inattentional blindness, transsaccadic integra- tion) indicate that observers are often very poor at reporting changes to their visual environment. Such evidence has been used to suggest that the spatio-temporal coherence needed to represent change can only occur in the presence of focused attention. However, those studies almost always rely on explicit reports. It remains a possibility that the visual system can implicitly detect change, but that in the absence of focused attention, the change does not reach awareness and consequently is not reported. To test this possibility, we used a simple change detection paradigm coupled with a speeded orien- tation discrimination task. Even when observers reported being unaware of a change in an item’s orientation, its nal orientation effectively biased their response in the orientation discrimination task. Both in aware and unaware trials, errors were most frequent when the changed item and the probe had incongruent orientations. These results demonstrate that the _nature _of the change can be represented in the absence of awareness.
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Citations of this work BETA
David Pritchett, Alberto Gallace & Charles Spence (2011). Implicit Processing of Tactile Information: Evidence From the Tactile Change Detection Paradigm. Consciousness and Cognition 20 (3):534-546.
Bruno Berberian, Stephanie Chambaron-Ginhac & Axel Cleeremans (2010). Action Blindness in Response to Gradual Changes. Consciousness and Cognition 19 (1):152-171.
Peter U. Tse (2004). Mapping Visual Attention with Change Blindness: New Directions for a New Method. Cognitive Science 28 (2):241.
Corrado Caudek & Fulvio Domini (2013). Priming Effects Under Correct Change Detection and Change Blindness. Consciousness and Cognition 22 (1):290-305.
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