Visuo-spatial working memory (VSWM) is characterized by a limited storage capacity. An important issue of vision and memory research is whether VSWM stores integrated objects or features. Following Luck and Vogel' (1997), we investigated VSWM for color-color conjunctions. We used a single probe at test to minimize configuration-related effects on performance, and two baselines with storage of single-feature (color) objects. We found that performance with color conjunctions (binding) was even lower than in the condition in which the same amount of features was presented at different object locations. Neural network simulations show that our experimental evidence can be transparently explained in terms of local processing limitations, co-existing with global processing and VSWM storage limitations. Behavioral predictions are put forth.

Color Binding in Visuo-Spatial Working Memory / Simione, Luca; Raffone, Antonino; G., Micciantuono; Olivetti, Marta; M. O., Belardinelli; M., Olivetti Belardinelli; C., Van Leeuwen. - 6222(2010), pp. 179-190. ((Intervento presentato al convegno 7th International Conference Spatial Cognition tenutosi a Mt Hood, OR nel AUG 15-19, 2010. - LECTURE NOTES IN COMPUTER SCIENCE. [10.1007/978-3-642-14749-4_17].

Color Binding in Visuo-Spatial Working Memory

SIMIONE, LUCA;RAFFONE, Antonino;OLIVETTI, Marta;
2010

Abstract

Visuo-spatial working memory (VSWM) is characterized by a limited storage capacity. An important issue of vision and memory research is whether VSWM stores integrated objects or features. Following Luck and Vogel' (1997), we investigated VSWM for color-color conjunctions. We used a single probe at test to minimize configuration-related effects on performance, and two baselines with storage of single-feature (color) objects. We found that performance with color conjunctions (binding) was even lower than in the condition in which the same amount of features was presented at different object locations. Neural network simulations show that our experimental evidence can be transparently explained in terms of local processing limitations, co-existing with global processing and VSWM storage limitations. Behavioral predictions are put forth.
2010
SPATIAL COGNITION VII
9783642147487
visuo-spatial working memory; processing capacity; storage capacity; binding; neural networks
02 Pubblicazione su volume::02a Capitolo o Articolo
Color Binding in Visuo-Spatial Working Memory / Simione, Luca; Raffone, Antonino; G., Micciantuono; Olivetti, Marta; M. O., Belardinelli; M., Olivetti Belardinelli; C., Van Leeuwen. - 6222(2010), pp. 179-190. ((Intervento presentato al convegno 7th International Conference Spatial Cognition tenutosi a Mt Hood, OR nel AUG 15-19, 2010. - LECTURE NOTES IN COMPUTER SCIENCE. [10.1007/978-3-642-14749-4_17].
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11573/155400
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