{"id":{"repo_id":"uiuc","oai_identifier":"oai:www.ideals.illinois.edu:2142/82150"},"canonical_url":"https://search.dev.ndltd.org/etd/uiuc/oai:www.ideals.illinois.edu:2142/82150","repository":{"repo_id":"uiuc","name":"University of Illinois - Urbana-Champaign","base_url":"https://www.ideals.illinois.edu/oai-pmh"},"display":{"title":"The Contribution of Top -Down Information to the Capacity of Visual Short -Term Memory","abstract":"Current theories of the capacity of visual short-term memory postulate fixed limits on the amount of information stored in memory. Both object- and information-based accounts provide structural limitations of storage in visual memory. The current paper challenges these notions of fixed limits by providing redundant top-down information to tasks of visual memory. Neither of the current theories predicts an effect of this information on measurements of memory capacity. However, the results of these studies show that the measured capacity of visual memory can be increased through this manipulation---resulting in modifications of the extant theories to accommodate additional factors as determinants of memory capacity. The inclusion of these additional factors suggests that memory capacity should be viewed as a relative and malleable construct---shaped and determined by a variety of factors---as opposed to a single, fixed number.","abstract_html":"Current theories of the capacity of visual short-term memory postulate fixed limits on the amount of information stored in memory. Both object- and information-based accounts provide structural limitations of storage in visual memory. The current paper challenges these notions of fixed limits by providing redundant top-down information to tasks of visual memory. Neither of the current theories predicts an effect of this information on measurements of memory capacity. However, the results of these studies show that the measured capacity of visual memory can be increased through this manipulation---resulting in modifications of the extant theories to accommodate additional factors as determinants of memory capacity. The inclusion of these additional factors suggests that memory capacity should be viewed as a relative and malleable construct---shaped and determined by a variety of factors---as opposed to a single, fixed number.","abstract_has_math":false,"creators":["Ambinder, Michael Scott"],"institution":"University of Illinois at Urbana-Champaign","degree_name":"Ph.D.","degree_level":"Dissertation","degree_discipline":"Psychology","degree_department":null,"school":null,"contributors":["Simons, Daniel J."],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2015,"date_issued":"2015-09-25T20:39:22Z","date_published":"2015-09-25T20:39:22Z","updated_at":"2026-07-22T22:26:17Z","subjects":["Psychology, Cognitive"],"languages":["eng"],"rights":[],"rights_urls":[],"identifier_entries":[{"key":"dc:identifier","label":"Identifier","values":["(MiAaPQ)AAI3314720"],"render_values":[{"text":"(MiAaPQ)AAI3314720","href":null,"code":true}]}]},"links":{"outbound_url":"http://hdl.handle.net/2142/82150","outbound_label":"Handle","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor","label":"Contributor","values":["Simons, Daniel J."]},{"key":"dc:creator","label":"Author","values":["Ambinder, Michael Scott"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["2015-09-25T20:39:22Z","10000-01-01","2008"]},{"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, Cognitive"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["eng"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["http://hdl.handle.net/2142/82150","(MiAaPQ)AAI3314720"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["Current theories of the capacity of visual short-term memory postulate fixed limits on the amount of information stored in memory. Both object- and information-based accounts provide structural limitations of storage in visual memory. The current paper challenges these notions of fixed limits by providing redundant top-down information to tasks of visual memory. Neither of the current theories predicts an effect of this information on measurements of memory capacity. However, the results of these studies show that the measured capacity of visual memory can be increased through this manipulation---resulting in modifications of the extant theories to accommodate additional factors as determinants of memory capacity. The inclusion of these additional factors suggests that memory capacity should be viewed as a relative and malleable construct---shaped and determined by a variety of factors---as opposed to a single, fixed number.","Made available in DSpace on 2015-09-25T20:39:22Z (GMT). No. of bitstreams: 2 license.txt: 4848 bytes, checksum: 96035ab3f5e1c23cc7138a224ce498bd (MD5) 3314720.pdf: 1636923 bytes, checksum: 646315beb73cb73cdbcaec7f92b09073 (MD5) Previous issue date: 2008","Embargo set by: Seth Robbins for item 83431 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","118 p.","Thesis (Ph.D.)--University of Illinois at Urbana-Champaign, 2008."]},{"key":"dc:title","label":"Title","values":["The Contribution of Top -Down Information to the Capacity of Visual Short -Term Memory"]}]}],"canonical_facts":{"dc:contributor":["Simons, Daniel J."],"dc:creator":["Ambinder, Michael Scott"],"dc:date":["2015-09-25T20:39:22Z","10000-01-01","2008"],"dc:description":["Current theories of the capacity of visual short-term memory postulate fixed limits on the amount of information stored in memory. Both object- and information-based accounts provide structural limitations of storage in visual memory. The current paper challenges these notions of fixed limits by providing redundant top-down information to tasks of visual memory. Neither of the current theories predicts an effect of this information on measurements of memory capacity. However, the results of these studies show that the measured capacity of visual memory can be increased through this manipulation---resulting in modifications of the extant theories to accommodate additional factors as determinants of memory capacity. The inclusion of these additional factors suggests that memory capacity should be viewed as a relative and malleable construct---shaped and determined by a variety of factors---as opposed to a single, fixed number.","Made available in DSpace on 2015-09-25T20:39:22Z (GMT). No. of bitstreams: 2 license.txt: 4848 bytes, checksum: 96035ab3f5e1c23cc7138a224ce498bd (MD5) 3314720.pdf: 1636923 bytes, checksum: 646315beb73cb73cdbcaec7f92b09073 (MD5) Previous issue date: 2008","Embargo set by: Seth Robbins for item 83431 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","118 p.","Thesis (Ph.D.)--University of Illinois at Urbana-Champaign, 2008."],"dc:identifier":["http://hdl.handle.net/2142/82150","(MiAaPQ)AAI3314720"],"dc:language":["eng"],"dc:subject":["Psychology, Cognitive"],"dc:title":["The Contribution of Top -Down Information to the Capacity of Visual Short -Term Memory"],"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":"2026-07-22T22:26:17Z"}