{"id":{"repo_id":"uiuc","oai_identifier":"oai:www.ideals.illinois.edu:2142/120459"},"canonical_url":"https://search.dev.ndltd.org/etd/uiuc/oai:www.ideals.illinois.edu:2142/120459","repository":{"repo_id":"uiuc","name":"University of Illinois - Urbana-Champaign","base_url":"https://www.ideals.illinois.edu/oai-pmh"},"display":{"title":"Is attention necessary for the representational advantage of good exemplars over bad exemplars?","abstract":"Submission published under a 24 month embargo labeled 'U of I Access', the embargo will last until 2025-05-01","abstract_html":"Submission published under a 24 month embargo labeled 'U of I Access', the embargo will last until 2025-05-01","abstract_has_math":false,"creators":["Shao, Zhenan"],"institution":"University of Illinois at Urbana-Champaign","degree_name":"M.S.","degree_level":"Thesis","degree_discipline":"Psychology","degree_department":null,"school":null,"contributors":["Beck, Diane M.","Federmeier, Kara"],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2023,"date_issued":"2023-05","date_published":"2023-05","updated_at":"2026-07-22T22:24:57Z","subjects":["Representativeness","Scene Perception","Attention","Statistical Regularity","Fmri","Mvpa"],"languages":["en","eng"],"rights":["Copyright 2023 Zhenan Shao"],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"https://hdl.handle.net/2142/120459","outbound_label":"Handle","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor","label":"Contributor","values":["Beck, Diane M.","Federmeier, Kara"]},{"key":"dc:creator","label":"Author","values":["Shao, Zhenan"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["2023-05","2023-05-04"]},{"key":"dc:type","label":"Dc Type","values":["text"]},{"key":"thesis:degree_discipline","label":"Discipline","values":["Psychology"]},{"key":"thesis:degree_level","label":"Degree Level","values":["Thesis"]},{"key":"thesis:degree_name","label":"Degree Name","values":["M.S."]},{"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":["Representativeness","Scene Perception","Attention","Statistical Regularity","Fmri","Mvpa"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["en","eng"]},{"key":"dc:rights","label":"Dc Rights","values":["Copyright 2023 Zhenan Shao"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["https://hdl.handle.net/2142/120459"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["Submission published under a 24 month embargo labeled 'U of I Access', the embargo will last until 2025-05-01","The student, Zhenan Shao, accepted the attached license on 2023-05-03 at 15:46.","The student, Zhenan Shao, submitted this Thesis for approval on 2023-05-03 at 16:59.","This Thesis was approved for publication on 2023-05-04 at 13:41.","DSpace SAF Submission Ingestion Package generated from Vireo submission #19323 on 2023-09-01 at 17:16:00","Real-world (rw-) statistical regularities, or expectations about the visual world learned over a lifetime, have been found to be associated with scene perception efficiency. For example, good (i.e., highly representative) exemplars of basic scene categories, one example of a rw-statistical regularity, are detected more readily than bad exemplars of the category. Similarly, good exemplars are more accurately decoded than bad exemplars in scene-responsive regions, particularly in the parahippocampal place area (PPA). Here we ask whether the observed neural advantage of the good scene exemplars requires full attention. We used a dual-task paradigm to manipulate attention and exemplar representativeness while recording neural responses with fMRI. Both univariate and multivariate pattern analyses were adopted to examine the effect of representativeness. In the attend-to-scenes condition, our results replicated an earlier study showing that good exemplars evoke less activity but a clearer category representation than bad exemplars. Importantly, similar advantages of the good exemplars were also observed when participants were distracted by a serial visual search task demanding a high attention load. In addition, a cross-decoding method between attended and distracted representations revealed that attention resulted in a quantitative rather than qualitative improvement of the category representation, particularly for good exemplars. We, therefore, conclude that the effect of category representativeness on neural representations does not require full attention."]},{"key":"dc:format","label":"Dc Format","values":["application/pdf"]},{"key":"dc:title","label":"Title","values":["Is attention necessary for the representational advantage of good exemplars over bad exemplars?"]}]}],"canonical_facts":{"dc:contributor":["Beck, Diane M.","Federmeier, Kara"],"dc:creator":["Shao, Zhenan"],"dc:date":["2023-05","2023-05-04"],"dc:description":["Submission published under a 24 month embargo labeled 'U of I Access', the embargo will last until 2025-05-01","The student, Zhenan Shao, accepted the attached license on 2023-05-03 at 15:46.","The student, Zhenan Shao, submitted this Thesis for approval on 2023-05-03 at 16:59.","This Thesis was approved for publication on 2023-05-04 at 13:41.","DSpace SAF Submission Ingestion Package generated from Vireo submission #19323 on 2023-09-01 at 17:16:00","Real-world (rw-) statistical regularities, or expectations about the visual world learned over a lifetime, have been found to be associated with scene perception efficiency. For example, good (i.e., highly representative) exemplars of basic scene categories, one example of a rw-statistical regularity, are detected more readily than bad exemplars of the category. Similarly, good exemplars are more accurately decoded than bad exemplars in scene-responsive regions, particularly in the parahippocampal place area (PPA). Here we ask whether the observed neural advantage of the good scene exemplars requires full attention. We used a dual-task paradigm to manipulate attention and exemplar representativeness while recording neural responses with fMRI. Both univariate and multivariate pattern analyses were adopted to examine the effect of representativeness. In the attend-to-scenes condition, our results replicated an earlier study showing that good exemplars evoke less activity but a clearer category representation than bad exemplars. Importantly, similar advantages of the good exemplars were also observed when participants were distracted by a serial visual search task demanding a high attention load. In addition, a cross-decoding method between attended and distracted representations revealed that attention resulted in a quantitative rather than qualitative improvement of the category representation, particularly for good exemplars. We, therefore, conclude that the effect of category representativeness on neural representations does not require full attention."],"dc:format":["application/pdf"],"dc:identifier":["https://hdl.handle.net/2142/120459"],"dc:language":["en","eng"],"dc:rights":["Copyright 2023 Zhenan Shao"],"dc:subject":["Representativeness","Scene Perception","Attention","Statistical Regularity","Fmri","Mvpa"],"dc:title":["Is attention necessary for the representational advantage of good exemplars over bad exemplars?"],"dc:type":["text"],"thesis:degree_discipline":["Psychology"],"thesis:degree_level":["Thesis"],"thesis:degree_name":["M.S."],"thesis:institution_name":["University of Illinois at Urbana-Champaign"]},"updated_at":"2026-07-22T22:24:57Z"}