Visual memory needs categories

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Visual memory needs categories.

Capacity limitations in the way humans store and process information in working memory have been extensively studied, and several memory systems have been distinguished. In line with previous capacity estimates for verbal memory and memory for spatial information, recent studies suggest that it is possible to retain up to four objects in visual working memory. The objects used have typically be...

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The Effect of Working Memory Rehabilitation on Visual Memory and Memory Span

Introduction: Age-related cognitive decline or cognitive aging is largely the result of structural and functional decline in specific areas of the brain, but lifestyle also contributes to this cognitive decline. The aim of this study was to investigate the effect of working memory rehabilitation on visual memory and memory span in ageing.  Methods: This was a quasi-experimental study with pret...

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Incremental Learning of Visual Categories

Incremental learning of visual categories denotes the capability of a visual perceptual system to build up an increasing repertoire of visual concepts based on a sequence of experiences. A visual category is here defined as a possibly large group of individual objects that share similar properties like shape, appearance, or color. Biological visual systems achieve this function very efficiently...

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Visual working memory capacity for objects from different categories: a face-specific maintenance effect.

The capacity of visual working memory was examined when complex objects from different categories were remembered. Previous studies have not examined how visual similarity affects object memory, though it has long been known that similar-sounding phonological information interferes with rehearsal in auditory working memory. Here, experiments required memory for two or four objects. Memory capac...

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The role of object categories in hybrid visual and memory search.

In hybrid search, observers search for any of several possible targets in a visual display containing distracting items and, perhaps, a target. Wolfe (2012) found that response times (RTs) in such tasks increased linearly with increases in the number of items in the display. However, RT increased linearly with the log of the number of items in the memory set. In earlier work, all items in the m...

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ژورنال

عنوان ژورنال: Proceedings of the National Academy of Sciences

سال: 2005

ISSN: 0027-8424,1091-6490

DOI: 10.1073/pnas.0500810102