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Semantic and functional relationships among objects increase the capacity of visual working memory.
O'Donnell, Ryan E; Clement, Andrew; Brockmole, James R.
Afiliação
  • O'Donnell RE; Department of Psychology, University of Notre Dame.
  • Clement A; Department of Psychology, University of Notre Dame.
  • Brockmole JR; Department of Psychology, University of Notre Dame.
J Exp Psychol Learn Mem Cogn ; 44(7): 1151-1158, 2018 Jul.
Article em En | MEDLINE | ID: mdl-29648871
Visual working memory (VWM) has a limited capacity of approximately 3-4 visual objects. Current theories of VWM propose that a limited pool of resources can be flexibly allocated to objects, allowing them to be represented at varying levels of precision. Factors that influence the allocation of these resources, such as the complexity and perceptual grouping of objects, can thus affect the capacity of VWM. We sought to identify whether semantic and functional relationships between objects could influence the grouping of objects, thereby increasing the functional capacity of VWM. Observers viewed arrays of 8 to-be-remembered objects arranged into 4 pairs. We manipulated both the semantic association and functional interaction between the objects, then probed participants' memory for the arrays. When objects were semantically related, participants' memory for the arrays improved. Participants' memory further improved when semantically related objects were positioned to interact with each other. However, when we increased the spacing between the objects in each pair, the benefits of functional but not semantic relatedness were eliminated. These findings suggest that action-relevant properties of objects can increase the functional capacity of VWM, but only when objects are positioned to directly interact with each other. (PsycINFO Database Record
Assuntos

Texto completo: 1 Base de dados: MEDLINE Assunto principal: Semântica / Percepção Visual / Memória de Curto Prazo Tipo de estudo: Prognostic_studies Limite: Adult / Female / Humans / Male Idioma: En Ano de publicação: 2018 Tipo de documento: Article

Texto completo: 1 Base de dados: MEDLINE Assunto principal: Semântica / Percepção Visual / Memória de Curto Prazo Tipo de estudo: Prognostic_studies Limite: Adult / Female / Humans / Male Idioma: En Ano de publicação: 2018 Tipo de documento: Article