Objects and Object Features in Visual Short-Term Memory

 

Objects and Object Features in Visual Short-Term Memory

Carnegie 201

Recent studies have inspired the hypothesis that short-term memory (STM) stores visual information in a limited number of object files, each containing all the information relevant to a single object. However, the results of these studies remain open to alternative interpretations, and the assumptions of the object-file hypothesis have not been tested fully. The work I will present attempts to fill this gap by specifying a model of performance, based on the object-file hypothesis, for a task requiring short-term storage of visual information. Three new experiments test several predictions of the model. The consistency between observed and predicted results supports the object-file hypothesis. Then, I will discuss a broader theory of visual STM based on the object-file hypothesis that accounts for a variety of other experimental findings and suggests several avenues for further research.
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