{"id":{"repo_id":"uiuc","oai_identifier":"oai:www.ideals.illinois.edu:2142/72126"},"canonical_url":"https://search.dev.ndltd.org/etd/uiuc/oai:www.ideals.illinois.edu:2142/72126","repository":{"repo_id":"uiuc","name":"University of Illinois - Urbana-Champaign","base_url":"https://www.ideals.illinois.edu/oai-pmh"},"display":{"title":"Attentional Guidance in Visual Search","abstract":"Earlier research has shown that a task-irrelevant sudden onset of an object will capture or draw an observer's visual attention to that object (e.g., Yantis & Jonides, 1984). Further research however has demonstrated the apparent inability of an object with a task-irrelevant but unique color or luminance to capture attention (Jonides & Yantis, 1988). The experiments reported here re-explore the question of whether task-irrelevant properties other than sudden onset may capture attention. The results suggest that a uniquely colored or luminous object, as well as a salient though irrelevant boundary, may indeed capture or guide attention, though apparently to a lesser degree than sudden onset.","abstract_html":"Earlier research has shown that a task-irrelevant sudden onset of an object will capture or draw an observer's visual attention to that object (e.g., Yantis & Jonides, 1984). Further research however has demonstrated the apparent inability of an object with a task-irrelevant but unique color or luminance to capture attention (Jonides & Yantis, 1988). The experiments reported here re-explore the question of whether task-irrelevant properties other than sudden onset may capture attention. The results suggest that a uniquely colored or luminous object, as well as a salient though irrelevant boundary, may indeed capture or guide attention, though apparently to a lesser degree than sudden onset.","abstract_has_math":false,"creators":["Todd, Steven"],"institution":"University of Illinois at Urbana-Champaign","degree_name":"Ph.D.","degree_level":"Dissertation","degree_discipline":"Psychology","degree_department":null,"school":null,"contributors":["Kramer, Arthur"],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2014,"date_issued":"2014-12-17T20:25:24Z","date_published":"2014-12-17T20:25:24Z","updated_at":"2026-07-22T22:26:06Z","subjects":["Psychology, Experimental"],"languages":[],"rights":[],"rights_urls":[],"identifier_entries":[{"key":"dc:identifier","label":"Identifier","values":["(UMI)AAI9329182"],"render_values":[{"text":"(UMI)AAI9329182","href":null,"code":true}]}]},"links":{"outbound_url":"http://hdl.handle.net/2142/72126","outbound_label":"Handle","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor","label":"Contributor","values":["Kramer, Arthur"]},{"key":"dc:creator","label":"Author","values":["Todd, Steven"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["2014-12-17T20:25:24Z","10000-01-01","1993"]},{"key":"dc:type","label":"Dc Type","values":["text"]},{"key":"thesis:degree_discipline","label":"Discipline","values":["Psychology"]},{"key":"thesis:degree_level","label":"Degree Level","values":["Dissertation"]},{"key":"thesis:degree_name","label":"Degree Name","values":["Ph.D."]},{"key":"thesis:institution_name","label":"Thesis Institution Name","values":["University of Illinois at Urbana-Champaign"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["Psychology, Experimental"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["http://hdl.handle.net/2142/72126","(UMI)AAI9329182"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["Earlier research has shown that a task-irrelevant sudden onset of an object will capture or draw an observer's visual attention to that object (e.g., Yantis & Jonides, 1984). Further research however has demonstrated the apparent inability of an object with a task-irrelevant but unique color or luminance to capture attention (Jonides & Yantis, 1988). The experiments reported here re-explore the question of whether task-irrelevant properties other than sudden onset may capture attention. The results suggest that a uniquely colored or luminous object, as well as a salient though irrelevant boundary, may indeed capture or guide attention, though apparently to a lesser degree than sudden onset.","Made available in DSpace on 2014-12-17T20:25:24Z (GMT). No. of bitstreams: 1 9329182.pdf: 2582509 bytes, checksum: c987248bbe9eb0004efe8aff749b638a (MD5) Previous issue date: 1993","Embargo set by: Seth Robbins for item 72294 Lift date: Forever Reason: Restricted to the U of I community idenfinitely during batch ingest of legacy ETDs","Restricted to the U of I community idenfinitely during batch ingest of legacy ETDs","U of I Only","70 p.","Thesis (Ph.D.)--University of Illinois at Urbana-Champaign, 1993."]},{"key":"dc:title","label":"Title","values":["Attentional Guidance in Visual Search"]}]}],"canonical_facts":{"dc:contributor":["Kramer, Arthur"],"dc:creator":["Todd, Steven"],"dc:date":["2014-12-17T20:25:24Z","10000-01-01","1993"],"dc:description":["Earlier research has shown that a task-irrelevant sudden onset of an object will capture or draw an observer's visual attention to that object (e.g., Yantis & Jonides, 1984). Further research however has demonstrated the apparent inability of an object with a task-irrelevant but unique color or luminance to capture attention (Jonides & Yantis, 1988). The experiments reported here re-explore the question of whether task-irrelevant properties other than sudden onset may capture attention. The results suggest that a uniquely colored or luminous object, as well as a salient though irrelevant boundary, may indeed capture or guide attention, though apparently to a lesser degree than sudden onset.","Made available in DSpace on 2014-12-17T20:25:24Z (GMT). No. of bitstreams: 1 9329182.pdf: 2582509 bytes, checksum: c987248bbe9eb0004efe8aff749b638a (MD5) Previous issue date: 1993","Embargo set by: Seth Robbins for item 72294 Lift date: Forever Reason: Restricted to the U of I community idenfinitely during batch ingest of legacy ETDs","Restricted to the U of I community idenfinitely during batch ingest of legacy ETDs","U of I Only","70 p.","Thesis (Ph.D.)--University of Illinois at Urbana-Champaign, 1993."],"dc:identifier":["http://hdl.handle.net/2142/72126","(UMI)AAI9329182"],"dc:subject":["Psychology, Experimental"],"dc:title":["Attentional Guidance in Visual Search"],"dc:type":["text"],"thesis:degree_discipline":["Psychology"],"thesis:degree_level":["Dissertation"],"thesis:degree_name":["Ph.D."],"thesis:institution_name":["University of Illinois at Urbana-Champaign"]},"updated_at":"2026-07-22T22:26:06Z"}