{"id":{"repo_id":"uab","oai_identifier":"oai:digitalcommons.library.uab.edu:etd-collection-7904"},"canonical_url":"https://search.dev.ndltd.org/etd/uab/oai:digitalcommons.library.uab.edu:etd-collection-7904","repository":{"repo_id":"uab","name":"University of Alabama Birmingham","base_url":"https://digitalcommons.library.uab.edu/do/oai/"},"display":{"title":"Curvature Contingent Color Aftereffects.","abstract":"This paper will deal with curvature contingent color aftereffects (AE), a development from the pattern contingent aftereffects reported by Celeste McCollough (1965). After McCollough’s findings are described briefly, the relative importance of spatial frequency characteristics in inducing AE will be discussed. Then attention will be given to AE contingent on direction of curvature of curved line patterns (Riggs, 1973). Riggs’ explanation will be contrasted with those of other authors who attempt to explain his curvature AE in terms of orientation contingency reported in the earlier studies. The lack of attention given to possible frequency interaction in curvature studies is discussed, and this study is proposed as a beginning toward correcting this overnight.","abstract_html":"This paper will deal with curvature contingent color aftereffects (AE), a development from the pattern contingent aftereffects reported by Celeste McCollough (1965). After McCollough’s findings are described briefly, the relative importance of spatial frequency characteristics in inducing AE will be discussed. Then attention will be given to AE contingent on direction of curvature of curved line patterns (Riggs, 1973). Riggs’ explanation will be contrasted with those of other authors who attempt to explain his curvature AE in terms of orientation contingency reported in the earlier studies. The lack of attention given to possible frequency interaction in curvature studies is discussed, and this study is proposed as a beginning toward correcting this overnight.","abstract_has_math":false,"creators":["Whirley, John Fred"],"institution":null,"degree_name":null,"degree_level":"Thesis","degree_discipline":null,"degree_department":null,"school":null,"contributors":[],"advisors":[],"committee_chairs":[],"committee_members":[],"year":1976,"date_issued":"1976-01-01T08:00:00Z","date_published":"1976-01-01T08:00:00Z","updated_at":"2026-07-24T05:05:46Z","subjects":["Color aftereffects","McCollough effect","Curvature contingent aftereffects"],"languages":[],"rights":[],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"https://digitalcommons.library.uab.edu/etd-collection/6912","outbound_label":"Repository record","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:creator","label":"Author","values":["Whirley, John Fred"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"thesis:degree_level","label":"Degree Level","values":["Thesis"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["Color aftereffects","McCollough effect","Curvature contingent aftereffects"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["https://digitalcommons.library.uab.edu/etd-collection/6912"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description.abstract","label":"Abstract","values":["This paper will deal with curvature contingent color aftereffects (AE), a development from the pattern contingent aftereffects reported by Celeste McCollough (1965). After McCollough’s findings are described briefly, the relative importance of spatial frequency characteristics in inducing AE will be discussed. Then attention will be given to AE contingent on direction of curvature of curved line patterns (Riggs, 1973). Riggs’ explanation will be contrasted with those of other authors who attempt to explain his curvature AE in terms of orientation contingency reported in the earlier studies. The lack of attention given to possible frequency interaction in curvature studies is discussed, and this study is proposed as a beginning toward correcting this overnight."]},{"key":"dc:title","label":"Title","values":["Curvature Contingent Color Aftereffects."]}]}],"canonical_facts":{"dc:creator":["Whirley, John Fred"],"dc:description.abstract":["This paper will deal with curvature contingent color aftereffects (AE), a development from the pattern contingent aftereffects reported by Celeste McCollough (1965). After McCollough’s findings are described briefly, the relative importance of spatial frequency characteristics in inducing AE will be discussed. Then attention will be given to AE contingent on direction of curvature of curved line patterns (Riggs, 1973). Riggs’ explanation will be contrasted with those of other authors who attempt to explain his curvature AE in terms of orientation contingency reported in the earlier studies. The lack of attention given to possible frequency interaction in curvature studies is discussed, and this study is proposed as a beginning toward correcting this overnight."],"dc:identifier":["https://digitalcommons.library.uab.edu/etd-collection/6912"],"dc:subject":["Color aftereffects","McCollough effect","Curvature contingent aftereffects"],"dc:title":["Curvature Contingent Color Aftereffects."],"thesis:degree_level":["Thesis"]},"updated_at":"2026-07-24T05:05:46Z"}