Binding spatial location and stimulus identity in short-term memory
AUTOR(ES)
Caprio, Marina, Godoy, Juliana Pardo Moura Campos, Galera, Cesar
FONTE
Psychology & Neuroscience
DATA DE PUBLICAÇÃO
2010-06
RESUMO
In the working memory model, phonological and visuospatial information are stored by separate and independent systems. However, sometimes binding of visual and verbal information must occur. This study investigated whether these memory systems cooperate in the recall of spatial location of a stimulus defined by both types of information. Participants memorized the spatial locations in which name-and-face pairs were presented and either recalled the position of a test stimulus in which the two types of information were always present (Experiment 1) or recalled the position of a test stimulus that non-predictively contained either the visual or verbal information (Experiment 2). The results showed no cooperation between visuospatial and phonological systems when both types of information were present in the test stimulus. Rather, a clear preference for verbal information was found (Experiment 1). When the test stimulus contained only one type of information, recall based on both verbal and visual information was impaired (Experiment 2). These results suggest that visual and verbal information are not automatically integrated into memory and that storage capacity is smaller for integrated information than for isolated information.
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