Speed selectivity in visual short term memory for motion
In this study we employed a ‘memory masking’ paradigm to determine which stimulus attributes are important in the storage of information about the speed of moving grating stimuli in visual short term memory (VSTM). Delayed speed discrimination thresholds were measured in the presence of masking stim...
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| Veröffentlicht in: | Vision research (Oxford) 2007-08, Vol.47 (18), p.2418-2425 |
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| creator | McKeefry, D.J. Burton, M.P. Vakrou, C. |
| description | In this study we employed a ‘memory masking’ paradigm to determine which stimulus attributes are important in the storage of information about the speed of moving grating stimuli in visual short term memory (VSTM). Delayed speed discrimination thresholds were measured in the presence of masking stimuli which varied in terms of their spatial and temporal frequency content. Memory masking results demonstrate that it is genuinely the speed of the stimulus, as opposed to temporal or spatial frequency content, that is crucial in the retention of information about motion in visual short term memory. The property of speed selectivity exhibited by VSTM mirrors that reported for neurons in area V5/MT, a brain area crucial for the processing of visual motion in primate brain. This link between area V5/MT and VSTM for motion is consistent with current views which suggest that there is a close association between the neural mechanisms involved in the analysis of sensory information and those involved in its retention in short term memory. |
| doi_str_mv | 10.1016/j.visres.2007.05.011 |
| format | Article |
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Psychology</topic><topic>Humans</topic><topic>Memory, Short-Term - physiology</topic><topic>Motion</topic><topic>Motion Perception - physiology</topic><topic>Perceptual Masking</topic><topic>Photic Stimulation - methods</topic><topic>Psychophysics</topic><topic>Sensory Thresholds</topic><topic>Speed</topic><topic>Vertebrates: nervous system and sense organs</topic><topic>Visual short term memory</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>McKeefry, D.J.</creatorcontrib><creatorcontrib>Burton, M.P.</creatorcontrib><creatorcontrib>Vakrou, C.</creatorcontrib><collection>ScienceDirect Open Access Titles</collection><collection>Elsevier:ScienceDirect:Open Access</collection><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>Vision research (Oxford)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>McKeefry, D.J.</au><au>Burton, M.P.</au><au>Vakrou, C.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Speed selectivity in visual short term memory for motion</atitle><jtitle>Vision research (Oxford)</jtitle><addtitle>Vision Res</addtitle><date>2007-08-01</date><risdate>2007</risdate><volume>47</volume><issue>18</issue><spage>2418</spage><epage>2425</epage><pages>2418-2425</pages><issn>0042-6989</issn><eissn>1878-5646</eissn><coden>VISRAM</coden><abstract>In this study we employed a ‘memory masking’ paradigm to determine which stimulus attributes are important in the storage of information about the speed of moving grating stimuli in visual short term memory (VSTM). 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| language | eng |
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| source | MEDLINE; Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals; Access via ScienceDirect (Elsevier) |
| subjects | Adult Biological and medical sciences Discrimination (Psychology) Eye and associated structures. Visual pathways and centers. Vision Fundamental and applied biological sciences. Psychology Humans Memory, Short-Term - physiology Motion Motion Perception - physiology Perceptual Masking Photic Stimulation - methods Psychophysics Sensory Thresholds Speed Vertebrates: nervous system and sense organs Visual short term memory |
| title | Speed selectivity in visual short term memory for motion |
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