A limit to the speed of processing in ultra-rapid visual categorization of novel natural scenes. Fabre-Thorpe, M, Delorme, A, Marlot, C, & Thorpe, S J Cogn Neurosci, 13(2):171–180, 2001. Place: United States ISBN: 0898-929Xabstract bibtex The processing required to decide whether a briefly flashed natural scene contains an animal can be achieved in 150 msec (Thorpe, Fize, & Marlot, 1996). Here we report that extensive training with a subset of photographs over a 3-week period failed to increase the speed of the processing underlying such Rapid Visual Categorizations: Completely novel scenes could be categorized just as fast as highly familiar ones. Such data imply that the visual system processes new stimuli at a speed and with a number of stages that cannot be compressed. This rapid processing mode was seen with a wide range of visual complex images, challenging the idea that short reaction times can only be seen with simple visual stimuli and implying that highly automatic feed-forward mechanisms underlie a far greater proportion of the sophisticated image analysis needed for everyday vision than is generally assumed.
@article{fabre-thorpe_limit_2001,
title = {A limit to the speed of processing in ultra-rapid visual categorization of novel natural scenes.},
volume = {13},
abstract = {The processing required to decide whether a briefly flashed natural scene contains an animal can be achieved in 150 msec (Thorpe, Fize, \& Marlot, 1996). Here we report that extensive training with a subset of photographs over a 3-week period failed to increase the speed of the processing underlying such Rapid Visual Categorizations: Completely novel scenes could be categorized just as fast as highly familiar ones. Such data imply that the visual system processes new stimuli at a speed and with a number of stages that cannot be compressed. This rapid processing mode was seen with a wide range of visual complex images, challenging the idea that short reaction times can only be seen with simple visual stimuli and implying that highly automatic feed-forward mechanisms underlie a far greater proportion of the sophisticated image analysis needed for everyday vision than is generally assumed.},
language = {eng},
number = {2},
journal = {J Cogn Neurosci},
author = {Fabre-Thorpe, M and Delorme, A and Marlot, C and Thorpe, S},
year = {2001},
pmid = {11244543},
note = {Place: United States
ISBN: 0898-929X},
keywords = {Adult, Evoked Potentials, Evoked Potentials, Visual, Female, Form Perception, Humans, Male, Middle Aged, Photic Stimulation, Reaction Time, Visual Pathways},
pages = {171--180},
}
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