Visual Search Has Memory
By monitoring subjects' eye movements during a visual search task, we examined the possibility that the mechanism responsible for guiding attention during visual search has no memory for which locations have already been examined. Subjects did reexamine some items during their search, but the p...
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| Veröffentlicht in: | Psychological science 2001-07, Vol.12 (4), p.287-292 |
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| container_title | Psychological science |
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| creator | Peterson, Matthew S. Kramer, Arthur F. Wang, Ranxiao Frances Irwin, David E. McCarley, Jason S. |
| description | By monitoring subjects' eye movements during a visual search task, we examined the possibility that the mechanism responsible for guiding attention during visual search has no memory for which locations have already been examined. Subjects did reexamine some items during their search, but the pattern of revisitations did not fit the predictions of the memoryless search model. In addition, a large proportion of the refixations were directed at the target, suggesting that the revisitations were due to subjects' remembering which items had not been adequately identified. We also examined the patterns of fixations and compared them with the predictions of a memoryless search model. Subjects' fixation patterns showed an increasing hazard function, whereas the memoryless model predicts a flat function. Lastly, we found no evidence suggesting that fixations were guided by amnesic covert scans that scouted the environment for new items during fixations. Results do not support the claims of the memoryless search model, and instead suggest that visual search does have memory. |
| doi_str_mv | 10.1111/1467-9280.00353 |
| format | Article |
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Subjects did reexamine some items during their search, but the pattern of revisitations did not fit the predictions of the memoryless search model. In addition, a large proportion of the refixations were directed at the target, suggesting that the revisitations were due to subjects' remembering which items had not been adequately identified. We also examined the patterns of fixations and compared them with the predictions of a memoryless search model. Subjects' fixation patterns showed an increasing hazard function, whereas the memoryless model predicts a flat function. Lastly, we found no evidence suggesting that fixations were guided by amnesic covert scans that scouted the environment for new items during fixations. 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Results do not support the claims of the memoryless search model, and instead suggest that visual search does have memory.</description><subject>Adult</subject><subject>Covert</subject><subject>Experimental psychology</subject><subject>Eye movements</subject><subject>Eye Movements - physiology</subject><subject>Eyes & eyesight</subject><subject>Female</subject><subject>Fixation</subject><subject>Fixation, Ocular - physiology</subject><subject>Humans</subject><subject>Job hunting</subject><subject>Male</subject><subject>Mathematical functions</subject><subject>Memory</subject><subject>Memory - physiology</subject><subject>Modeling</subject><subject>Psychophysics</subject><subject>Saccades</subject><subject>Sensory perception</subject><subject>Studies</subject><subject>Visual Perception</subject><subject>Visual task performance</subject><issn>0956-7976</issn><issn>1467-9280</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2001</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNp1kE1LwzAYgIMobk7PelGKgie7vWnSfBxlqBMmHvy4hjRNdaNdZ7Ie9u9N7Zgi7L0EwpMnLw9CpxiGOMwIU8ZjmQgYApCU7KH-9mYf9UGmLOaSsx468n4OYThhh6iHMeUMJO2js_eZb3QZvVjtzGc00T56slXt1sfooNCltyebc4De7u9ex5N4-vzwOL6dxoZysoozkXMqC8MJUDAYkhxkkRsG1CY2IVhjLAoiNcl0bnVqpYRMFtYwLTnXIMkAXXfepau_GutXqpp5Y8tSL2zdeMUxUCGSFrz6B87rxi3CbgoHF-MJFzhQl7upNBWSpq1q1EHG1d47W6ilm1XarRUG1XZVbUXVVlQ_XcOLi422ySqb__KbkAG46QCvP-yfP3f6zjt87le12-ooACOMEPINrEiFKg</recordid><startdate>20010701</startdate><enddate>20010701</enddate><creator>Peterson, Matthew S.</creator><creator>Kramer, Arthur F.</creator><creator>Wang, Ranxiao Frances</creator><creator>Irwin, David E.</creator><creator>McCarley, Jason S.</creator><general>Blackwell Publishing</general><general>SAGE Publications</general><general>SAGE PUBLICATIONS, INC</general><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>8BJ</scope><scope>FQK</scope><scope>JBE</scope><scope>7X8</scope></search><sort><creationdate>20010701</creationdate><title>Visual Search Has Memory</title><author>Peterson, Matthew S. ; Kramer, Arthur F. ; Wang, Ranxiao Frances ; Irwin, David E. ; McCarley, Jason S.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c473t-b8d749fc73040c102d09fdc604e2e231a118f39a3badea5e990b9fec6a977a093</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2001</creationdate><topic>Adult</topic><topic>Covert</topic><topic>Experimental psychology</topic><topic>Eye movements</topic><topic>Eye Movements - physiology</topic><topic>Eyes & eyesight</topic><topic>Female</topic><topic>Fixation</topic><topic>Fixation, Ocular - physiology</topic><topic>Humans</topic><topic>Job hunting</topic><topic>Male</topic><topic>Mathematical functions</topic><topic>Memory</topic><topic>Memory - physiology</topic><topic>Modeling</topic><topic>Psychophysics</topic><topic>Saccades</topic><topic>Sensory perception</topic><topic>Studies</topic><topic>Visual Perception</topic><topic>Visual task performance</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Peterson, Matthew S.</creatorcontrib><creatorcontrib>Kramer, Arthur F.</creatorcontrib><creatorcontrib>Wang, Ranxiao Frances</creatorcontrib><creatorcontrib>Irwin, David E.</creatorcontrib><creatorcontrib>McCarley, Jason S.</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>International Bibliography of the Social Sciences (IBSS)</collection><collection>International Bibliography of the Social Sciences</collection><collection>International Bibliography of the Social Sciences</collection><collection>MEDLINE - Academic</collection><jtitle>Psychological science</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Peterson, Matthew S.</au><au>Kramer, Arthur F.</au><au>Wang, Ranxiao Frances</au><au>Irwin, David E.</au><au>McCarley, Jason S.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Visual Search Has Memory</atitle><jtitle>Psychological science</jtitle><addtitle>Psychol Sci</addtitle><date>2001-07-01</date><risdate>2001</risdate><volume>12</volume><issue>4</issue><spage>287</spage><epage>292</epage><pages>287-292</pages><issn>0956-7976</issn><eissn>1467-9280</eissn><coden>PSYSET</coden><abstract>By monitoring subjects' eye movements during a visual search task, we examined the possibility that the mechanism responsible for guiding attention during visual search has no memory for which locations have already been examined. Subjects did reexamine some items during their search, but the pattern of revisitations did not fit the predictions of the memoryless search model. In addition, a large proportion of the refixations were directed at the target, suggesting that the revisitations were due to subjects' remembering which items had not been adequately identified. We also examined the patterns of fixations and compared them with the predictions of a memoryless search model. Subjects' fixation patterns showed an increasing hazard function, whereas the memoryless model predicts a flat function. Lastly, we found no evidence suggesting that fixations were guided by amnesic covert scans that scouted the environment for new items during fixations. Results do not support the claims of the memoryless search model, and instead suggest that visual search does have memory.</abstract><cop>Los Angeles, CA</cop><pub>Blackwell Publishing</pub><pmid>11476094</pmid><doi>10.1111/1467-9280.00353</doi><tpages>6</tpages></addata></record> |
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| subjects | Adult Covert Experimental psychology Eye movements Eye Movements - physiology Eyes & eyesight Female Fixation Fixation, Ocular - physiology Humans Job hunting Male Mathematical functions Memory Memory - physiology Modeling Psychophysics Saccades Sensory perception Studies Visual Perception Visual task performance |
| title | Visual Search Has Memory |
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