{"id":"https://openalex.org/W2019949229","doi":"https://doi.org/10.1126/science.170.3954.196","title":"Cardiac Responses on the Visual Cliff in Prelocomotor Human Infants","display_name":"Cardiac Responses on the Visual Cliff in Prelocomotor Human Infants","publication_year":1970,"publication_date":"1970-10-09","ids":{"openalex":"https://openalex.org/W2019949229","doi":"https://doi.org/10.1126/science.170.3954.196","mag":"2019949229","pmid":"https://pubmed.ncbi.nlm.nih.gov/5456616"},"language":"en","primary_location":{"id":"doi:10.1126/science.170.3954.196","doi":"https://doi.org/10.1126/science.170.3954.196","is_oa":false,"landing_page_url":"https://doi.org/10.1126/science.170.3954.196","pdf_url":null,"source":{"id":"https://openalex.org/S3880285","display_name":"Science","issn_l":"0036-8075","issn":["0036-8075","0193-4511","1095-9203"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-class-a","anvur-scientific","cwts-core","dongbi-a","doyens","erih-plus","jufo-3","ki-jl-3","medline","norway-2","poland-200","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310315823","host_organization_name":"American Association for the Advancement of Science","host_organization_lineage":["https://openalex.org/P4310315823"],"host_organization_lineage_names":["American Association for the Advancement of Science"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Science","raw_type":"journal-article"},"volume":null,"type":"article","indexed_in":["crossref","pubmed"],"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/A5104044378","display_name":"Joseph J. Campos","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I131651094","display_name":"University of Denver","ror":"https://ror.org/04w7skc03","country_code":"US","type":"education","lineage":["https://openalex.org/I131651094"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Joseph J. Campos","raw_affiliation_strings":["Behavior Development Laboratory, University of Denver, Denver, Colorado 80210"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Behavior Development Laboratory, University of Denver, Denver, Colorado 80210","institution_ids":["https://openalex.org/I131651094"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5112130045","display_name":"Alan W. Langer","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I131651094","display_name":"University of Denver","ror":"https://ror.org/04w7skc03","country_code":"US","type":"education","lineage":["https://openalex.org/I131651094"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Alan Langer","raw_affiliation_strings":["Behavior Development Laboratory, University of Denver, Denver, Colorado 80210"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Behavior Development Laboratory, University of Denver, Denver, Colorado 80210","institution_ids":["https://openalex.org/I131651094"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5027879454","display_name":"Alice Krowitz","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I131651094","display_name":"University of Denver","ror":"https://ror.org/04w7skc03","country_code":"US","type":"education","lineage":["https://openalex.org/I131651094"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Alice Krowitz","raw_affiliation_strings":["Behavior Development Laboratory, University of Denver, Denver, Colorado 80210"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Behavior Development Laboratory, University of Denver, Denver, Colorado 80210","institution_ids":["https://openalex.org/I131651094"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I131651094"],"apc_list":null,"apc_paid":null,"fwci":3.7194,"has_fulltext":false,"cited_by_count":68,"citation_normalized_percentile":{"value":0.92425847,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":88,"max":97},"biblio":{"volume":"170","issue":"3954","first_page":"196","last_page":"197"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10656","display_name":"Child and Animal Learning Development","score":0.9003999829292297,"subfield":{"id":"https://openalex.org/subfields/3204","display_name":"Developmental and Educational Psychology"},"field":{"id":"https://openalex.org/fields/32","display_name":"Psychology"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},"topics":[{"id":"https://openalex.org/T10656","display_name":"Child and Animal Learning Development","score":0.9003999829292297,"subfield":{"id":"https://openalex.org/subfields/3204","display_name":"Developmental and Educational 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/T11904","display_name":"Spatial Cognition and Navigation","score":0.022199999541044235,"subfield":{"id":"https://openalex.org/subfields/2203","display_name":"Automotive Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10914","display_name":"Tactile and Sensory Interactions","score":0.00860000029206276,"subfield":{"id":"https://openalex.org/subfields/2805","display_name":"Cognitive Neuroscience"},"field":{"id":"https://openalex.org/fields/28","display_name":"Neuroscience"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/visual-cliff","display_name":"visual cliff","score":0.9639999866485596},{"id":"https://openalex.org/keywords/infant-locomotion","display_name":"infant locomotion","score":0.5090000033378601},{"id":"https://openalex.org/keywords/cardiac-deceleration","display_name":"cardiac deceleration","score":0.921999990940094},{"id":"https://openalex.org/keywords/infant-distress","display_name":"infant distress","score":0.6230000257492065},{"id":"https://openalex.org/keywords/depth-perception","display_name":"depth perception","score":0.8759999871253967},{"id":"https://openalex.org/keywords/depth-discrimination","display_name":"depth discrimination","score":0.40700000524520874},{"id":"https://openalex.org/keywords/infant-development","display_name":"infant development","score":0.3089999854564667}],"concepts":[{"id":"https://openalex.org/C164139821","wikidata":"https://www.wikidata.org/wiki/Q107679","display_name":"Cliff","level":2,"score":0.8477315306663513},{"id":"https://openalex.org/C100368936","wikidata":"https://www.wikidata.org/wiki/Q1411725","display_name":"Crawling","level":2,"score":0.555109977722168},{"id":"https://openalex.org/C139265228","wikidata":"https://www.wikidata.org/wiki/Q5283089","display_name":"Distress","level":2,"score":0.49918556213378906},{"id":"https://openalex.org/C71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","level":0,"score":0.4488098621368408},{"id":"https://openalex.org/C127313418","wikidata":"https://www.wikidata.org/wiki/Q1069","display_name":"Geology","level":0,"score":0.3515162467956543},{"id":"https://openalex.org/C105702510","wikidata":"https://www.wikidata.org/wiki/Q514","display_name":"Anatomy","level":1,"score":0.1640976369380951},{"id":"https://openalex.org/C151730666","wikidata":"https://www.wikidata.org/wiki/Q7205","display_name":"Paleontology","level":1,"score":0.06609722971916199},{"id":"https://openalex.org/C70410870","wikidata":"https://www.wikidata.org/wiki/Q199906","display_name":"Clinical psychology","level":1,"score":0.0}],"mesh":[{"descriptor_ui":"D000339","descriptor_name":"Affect","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D000367","descriptor_name":"Age Factors","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D002652","descriptor_name":"Child Behavior","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D003867","descriptor_name":"Depth Perception","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D004192","descriptor_name":"Discrimination, Psychological","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D006339","descriptor_name":"Heart Rate","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D006801","descriptor_name":"Humans","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false},{"descriptor_ui":"D007223","descriptor_name":"Infant","qualifier_ui":null,"qualifier_name":null,"is_major_topic":true},{"descriptor_ui":"D011603","descriptor_name":"Psychophysiology","qualifier_ui":null,"qualifier_name":null,"is_major_topic":false}],"locations_count":2,"locations":[{"id":"doi:10.1126/science.170.3954.196","doi":"https://doi.org/10.1126/science.170.3954.196","is_oa":false,"landing_page_url":"https://doi.org/10.1126/science.170.3954.196","pdf_url":null,"source":{"id":"https://openalex.org/S3880285","display_name":"Science","issn_l":"0036-8075","issn":["0036-8075","0193-4511","1095-9203"],"is_oa":false,"is_in_doaj":false,"is_core":true,"listed_in":["anvur-class-a","anvur-scientific","cwts-core","dongbi-a","doyens","erih-plus","jufo-3","ki-jl-3","medline","norway-2","poland-200","russia-white-list-1","vabb-shw"],"host_organization":"https://openalex.org/P4310315823","host_organization_name":"American Association for the Advancement of Science","host_organization_lineage":["https://openalex.org/P4310315823"],"host_organization_lineage_names":["American Association for the Advancement of Science"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Science","raw_type":"journal-article"},{"id":"pmid:5456616","doi":null,"is_oa":false,"landing_page_url":"https://pubmed.ncbi.nlm.nih.gov/5456616","pdf_url":null,"source":{"id":"https://openalex.org/S4306525036","display_name":"PubMed","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I1299303238","host_organization_name":"National Institutes of Health","host_organization_lineage":["https://openalex.org/I1299303238"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Science (New York, N.Y.)","raw_type":"Journal Article"}],"best_oa_location":null,"sustainable_development_goals":[{"display_name":"Good health and well-being","id":"https://metadata.un.org/sdg/3","score":0.5683000087738037}],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":9,"referenced_works":["https://openalex.org/W1999723783","https://openalex.org/W2008450643","https://openalex.org/W2025789889","https://openalex.org/W2058744575","https://openalex.org/W2072474480","https://openalex.org/W2080362357","https://openalex.org/W2083701597","https://openalex.org/W2324117724","https://openalex.org/W4251696924"],"related_works":["https://openalex.org/W2008393862","https://openalex.org/W2071770143","https://openalex.org/W1973130367","https://openalex.org/W4233773470","https://openalex.org/W2116297945","https://openalex.org/W2070279051","https://openalex.org/W1994032665","https://openalex.org/W2032173394","https://openalex.org/W2141824984","https://openalex.org/W2159160623"],"abstract_inverted_index":{"Human":[0],"infants":[1,53,58],"younger":[2],"than":[3,39],"crawling":[4],"age":[5],"yielded":[6],"reliable":[7],"cardiac":[8],"decelerations":[9],"when":[10,25],"placed":[11],"directly":[12],"atop":[13,26],"the":[14,27,36,41,49,62,66],"deep":[15,37],"side":[16,38],"of":[17,51,65,72,76],"a":[18],"visual":[19],"cliff":[20],"and":[21,54],"generally":[22],"nonsignificant":[23],"changes":[24],"shallow":[28,42],"side.":[29],"Distress":[30],"was":[31],"elicited":[32],"less":[33],"frequently":[34],"on":[35,40],"at":[43,74],"these":[44],"ages,":[45],"in":[46],"contrast":[47],"to":[48],"behavior":[50],"older":[52],"other":[55],"species.":[56],"Prelocomotor":[57],"thus":[59],"can":[60],"discriminate":[61],"two":[63],"sides":[64],"cliff,":[67],"but":[68],"not":[69],"by":[70],"means":[71],"distress":[73],"loss":[75],"optical":[77],"support.":[78]},"counts_by_year":[{"year":2026,"cited_by_count":1},{"year":2024,"cited_by_count":1},{"year":2023,"cited_by_count":2},{"year":2021,"cited_by_count":1},{"year":2020,"cited_by_count":1},{"year":2019,"cited_by_count":3},{"year":2018,"cited_by_count":2},{"year":2016,"cited_by_count":1},{"year":2015,"cited_by_count":1},{"year":2012,"cited_by_count":3}],"updated_date":"2026-10-31T12:09:11.096373","created_date":"2016-06-24T00:00:00"}
