{"id":"https://openalex.org/W1972255200","doi":"https://doi.org/10.1145/1358628.1358820","title":"<i>Invisible eni</i>","display_name":"<i>Invisible eni</i>","publication_year":2008,"publication_date":"2008-04-05","ids":{"openalex":"https://openalex.org/W1972255200","doi":"https://doi.org/10.1145/1358628.1358820","mag":"1972255200"},"language":"en","primary_location":{"id":"doi:10.1145/1358628.1358820","is_oa":false,"landing_page_url":"https://doi.org/10.1145/1358628.1358820","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"CHI '08 Extended Abstracts on Human Factors in Computing Systems","raw_type":"proceedings-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5075793952","display_name":"Inger Ekman","orcid":null},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"Inger M. Ekman","raw_affiliation_strings":["Helsinki University of Technology, Espoo, Finland"],"affiliations":[{"raw_affiliation_string":"Helsinki University of Technology, Espoo, Finland","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5086334976","display_name":"Antti Poikola","orcid":"https://orcid.org/0000-0002-1038-9203"},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Antti W. Poikola","raw_affiliation_strings":["Helsinki University of Technology, Espoo, Finland"],"affiliations":[{"raw_affiliation_string":"Helsinki University of Technology, Espoo, Finland","institution_ids":[]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5033704915","display_name":"Meeri M\u00e4k\u00e4r\u00e4inen","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Meeri K. M\u00e4k\u00e4r\u00e4inen","raw_affiliation_strings":["Helsinki University of Technology, Espoo, Finland"],"affiliations":[{"raw_affiliation_string":"Helsinki University of Technology, Espoo, Finland","institution_ids":[]}]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":3,"corresponding_author_ids":["https://openalex.org/A5075793952"],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":2.8063,"has_fulltext":false,"cited_by_count":41,"citation_normalized_percentile":{"value":0.89734536,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":90,"max":99},"biblio":{"volume":null,"issue":null,"first_page":"3135","last_page":"3140"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11707","display_name":"Gaze Tracking and Assistive Technology","score":0.9998999834060669,"subfield":{"id":"https://openalex.org/subfields/1709","display_name":"Human-Computer Interaction"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T11707","display_name":"Gaze Tracking and Assistive Technology","score":0.9998999834060669,"subfield":{"id":"https://openalex.org/subfields/1709","display_name":"Human-Computer Interaction"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11516","display_name":"Visual and Cognitive Learning Processes","score":0.9763000011444092,"subfield":{"id":"https://openalex.org/subfields/3205","display_name":"Experimental and Cognitive Psychology"},"field":{"id":"https://openalex.org/fields/32","display_name":"Psychology"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T10709","display_name":"Social Robot Interaction and HRI","score":0.9485999941825867,"subfield":{"id":"https://openalex.org/subfields/3207","display_name":"Social Psychology"},"field":{"id":"https://openalex.org/fields/32","display_name":"Psychology"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/novelty","display_name":"Novelty","score":0.853712797164917},{"id":"https://openalex.org/keywords/pupil","display_name":"Pupil","score":0.7718800902366638},{"id":"https://openalex.org/keywords/gaze","display_name":"Gaze","score":0.6039765477180481},{"id":"https://openalex.org/keywords/human\u2013computer-interaction","display_name":"Human\u2013computer interaction","score":0.5948769450187683},{"id":"https://openalex.org/keywords/affect","display_name":"Affect (linguistics)","score":0.5929281115531921},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5717824697494507},{"id":"https://openalex.org/keywords/pupil-size","display_name":"Pupil size","score":0.5259069204330444},{"id":"https://openalex.org/keywords/control","display_name":"Control (management)","score":0.4408853352069855},{"id":"https://openalex.org/keywords/cognitive-psychology","display_name":"Cognitive psychology","score":0.43728744983673096},{"id":"https://openalex.org/keywords/pupil-diameter","display_name":"Pupil diameter","score":0.43192508816719055},{"id":"https://openalex.org/keywords/cognitive-science","display_name":"Cognitive science","score":0.37583020329475403},{"id":"https://openalex.org/keywords/multimedia","display_name":"Multimedia","score":0.36321091651916504},{"id":"https://openalex.org/keywords/artificial-intelligence","display_name":"Artificial intelligence","score":0.28654947876930237},{"id":"https://openalex.org/keywords/psychology","display_name":"Psychology","score":0.2785545289516449},{"id":"https://openalex.org/keywords/social-psychology","display_name":"Social psychology","score":0.17471396923065186},{"id":"https://openalex.org/keywords/communication","display_name":"Communication","score":0.10547530651092529}],"concepts":[{"id":"https://openalex.org/C2778738651","wikidata":"https://www.wikidata.org/wiki/Q16546687","display_name":"Novelty","level":2,"score":0.853712797164917},{"id":"https://openalex.org/C2777394604","wikidata":"https://www.wikidata.org/wiki/Q173318","display_name":"Pupil","level":2,"score":0.7718800902366638},{"id":"https://openalex.org/C2779916870","wikidata":"https://www.wikidata.org/wiki/Q14467155","display_name":"Gaze","level":2,"score":0.6039765477180481},{"id":"https://openalex.org/C107457646","wikidata":"https://www.wikidata.org/wiki/Q207434","display_name":"Human\u2013computer interaction","level":1,"score":0.5948769450187683},{"id":"https://openalex.org/C2776035688","wikidata":"https://www.wikidata.org/wiki/Q1606558","display_name":"Affect (linguistics)","level":2,"score":0.5929281115531921},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5717824697494507},{"id":"https://openalex.org/C3019054092","wikidata":"https://www.wikidata.org/wiki/Q7260673","display_name":"Pupil size","level":3,"score":0.5259069204330444},{"id":"https://openalex.org/C2775924081","wikidata":"https://www.wikidata.org/wiki/Q55608371","display_name":"Control (management)","level":2,"score":0.4408853352069855},{"id":"https://openalex.org/C180747234","wikidata":"https://www.wikidata.org/wiki/Q23373","display_name":"Cognitive psychology","level":1,"score":0.43728744983673096},{"id":"https://openalex.org/C2987277156","wikidata":"https://www.wikidata.org/wiki/Q173318","display_name":"Pupil diameter","level":3,"score":0.43192508816719055},{"id":"https://openalex.org/C188147891","wikidata":"https://www.wikidata.org/wiki/Q147638","display_name":"Cognitive science","level":1,"score":0.37583020329475403},{"id":"https://openalex.org/C49774154","wikidata":"https://www.wikidata.org/wiki/Q131765","display_name":"Multimedia","level":1,"score":0.36321091651916504},{"id":"https://openalex.org/C154945302","wikidata":"https://www.wikidata.org/wiki/Q11660","display_name":"Artificial intelligence","level":1,"score":0.28654947876930237},{"id":"https://openalex.org/C15744967","wikidata":"https://www.wikidata.org/wiki/Q9418","display_name":"Psychology","level":0,"score":0.2785545289516449},{"id":"https://openalex.org/C77805123","wikidata":"https://www.wikidata.org/wiki/Q161272","display_name":"Social psychology","level":1,"score":0.17471396923065186},{"id":"https://openalex.org/C46312422","wikidata":"https://www.wikidata.org/wiki/Q11024","display_name":"Communication","level":1,"score":0.10547530651092529},{"id":"https://openalex.org/C169760540","wikidata":"https://www.wikidata.org/wiki/Q207011","display_name":"Neuroscience","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/1358628.1358820","is_oa":false,"landing_page_url":"https://doi.org/10.1145/1358628.1358820","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"CHI '08 Extended Abstracts on Human Factors in Computing Systems","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[{"id":"https://openalex.org/F4320337373","display_name":"Center for Information Technology","ror":"https://ror.org/03jh5a977"}],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":11,"referenced_works":["https://openalex.org/W1549205813","https://openalex.org/W1594278800","https://openalex.org/W1965245095","https://openalex.org/W2023613339","https://openalex.org/W2023929966","https://openalex.org/W2025838826","https://openalex.org/W2027151471","https://openalex.org/W2137243825","https://openalex.org/W2167452367","https://openalex.org/W2169417829","https://openalex.org/W2339343773"],"related_works":["https://openalex.org/W3028325031","https://openalex.org/W142489845","https://openalex.org/W2035723697","https://openalex.org/W2172201717","https://openalex.org/W3175462501","https://openalex.org/W2034211124","https://openalex.org/W1999295734","https://openalex.org/W2581035853","https://openalex.org/W2044279914","https://openalex.org/W2131174054"],"abstract_inverted_index":{"We":[0,59,82],"present":[1,60],"an":[2,97],"eyes-only":[3],"computer":[4],"game,":[5],"Invisible":[6,37,68],"Eni,":[7],"which":[8],"uses":[9],"gaze,":[10],"blinking":[11],"and":[12,34,48,70,89],"as":[13,96],"a":[14],"novelty":[15],"pupil":[16,41,77,86,94],"size":[17,23,42,95],"to":[18,44,51],"affect":[19],"game":[20,46,53],"state.":[21],"Pupil":[22],"can":[24],"be":[25],"indirectly":[26],"controlled":[27],"by":[28,55],"physical":[29],"activation,":[30],"strong":[31],"emotional":[32],"experiences":[33],"cognitive":[35],"effort.":[36],"Eni":[38,69],"maps":[39],"the":[40,45,61,65,72,80],"variations":[43],"mechanics":[47],"allows":[49],"players":[50],"control":[52],"objects":[54],"use":[56],"of":[57,75],"willpower.":[58],"design":[62,73],"rationale":[63],"behind":[64],"interaction":[66,88],"in":[67,79],"consider":[71],"implications":[74],"using":[76,93],"measurements":[78],"interface.":[81],"discuss":[83],"limitations":[84],"for":[85,92],"based":[87],"provide":[90],"suggestions":[91],"active":[98],"input":[99],"modality.":[100]},"counts_by_year":[{"year":2024,"cited_by_count":2},{"year":2022,"cited_by_count":2},{"year":2021,"cited_by_count":2},{"year":2020,"cited_by_count":2},{"year":2019,"cited_by_count":7},{"year":2018,"cited_by_count":1},{"year":2017,"cited_by_count":7},{"year":2016,"cited_by_count":3},{"year":2015,"cited_by_count":4},{"year":2014,"cited_by_count":2},{"year":2012,"cited_by_count":2}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
