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Limits to the usability of iconic memory

Overview of attention for article published in Frontiers in Psychology, August 2014
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Title
Limits to the usability of iconic memory
Published in
Frontiers in Psychology, August 2014
DOI 10.3389/fpsyg.2014.00971
Pubmed ID
Authors

Ronald A. Rensink

Abstract

Human vision briefly retains a trace of a stimulus after it disappears. This trace-iconic memory-is often believed to be a surrogate for the original stimulus, a representational structure that can be used as if the original stimulus were still present. To investigate its nature, a flicker-search paradigm was developed that relied upon a full scan (rather than partial report) of its contents. Results show that for visual search it can indeed act as a surrogate, with little cost for alternating between visible and iconic representations. However, the duration over which it can be used depends on the type of task: some tasks can use iconic memory for at least 240 ms, others for only about 190 ms, while others for no more than about 120 ms. The existence of these different limits suggests that iconic memory may have multiple layers, each corresponding to a particular level of the visual hierarchy. In this view, the inability to use a layer of iconic memory may reflect an inability to maintain feedback connections to the corresponding representation.

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X Demographics

The data shown below were collected from the profiles of 3 X users who shared this research output. Click here to find out more about how the information was compiled.
Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 88 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
France 1 1%
Australia 1 1%
Sweden 1 1%
United Kingdom 1 1%
Canada 1 1%
United States 1 1%
Unknown 82 93%

Demographic breakdown

Readers by professional status Count As %
Student > Bachelor 26 30%
Student > Master 12 14%
Researcher 10 11%
Student > Ph. D. Student 10 11%
Student > Doctoral Student 4 5%
Other 9 10%
Unknown 17 19%
Readers by discipline Count As %
Psychology 29 33%
Neuroscience 26 30%
Agricultural and Biological Sciences 3 3%
Computer Science 3 3%
Philosophy 2 2%
Other 4 5%
Unknown 21 24%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 2. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 31 August 2014.
All research outputs
#14,784,335
of 22,761,738 outputs
Outputs from Frontiers in Psychology
#16,054
of 29,672 outputs
Outputs of similar age
#129,506
of 236,210 outputs
Outputs of similar age from Frontiers in Psychology
#276
of 377 outputs
Altmetric has tracked 22,761,738 research outputs across all sources so far. This one is in the 32nd percentile – i.e., 32% of other outputs scored the same or lower than it.
So far Altmetric has tracked 29,672 research outputs from this source. They typically receive a lot more attention than average, with a mean Attention Score of 12.5. This one is in the 38th percentile – i.e., 38% of its peers scored the same or lower than it.
Older research outputs will score higher simply because they've had more time to accumulate mentions. To account for age we can compare this Altmetric Attention Score to the 236,210 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 42nd percentile – i.e., 42% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 377 others from the same source and published within six weeks on either side of this one. This one is in the 22nd percentile – i.e., 22% of its contemporaries scored the same or lower than it.