{"id":"https://openalex.org/A5111407496","orcid":null,"observed_orcids":[],"display_name":"D. Petersen","raw_author_names":["D Petersen","D. PETERSEN","D. Petersen"],"full_name":"Dr Helen J. Petersen","works_count":83,"cited_by_count":2279,"summary_stats":{"2yr_mean_citedness":0.0,"h_index":25,"i10_index":39},"ids":{"openalex":"https://openalex.org/A5111407496","orcid":null,"observed_orcids":[]},"affiliations":[{"institution":{"id":"https://openalex.org/I114090438","ror":"https://ror.org/04cvxnb49","display_name":"Goethe University Frankfurt","country_code":"DE","type":"education","lineage":["https://openalex.org/I114090438"]},"years":[1991]},{"institution":{"id":"https://openalex.org/I161046081","ror":"https://ror.org/0245cg223","display_name":"University of Freiburg","country_code":"DE","type":"education","lineage":["https://openalex.org/I161046081"]},"years":[1977,1975]},{"institution":{"id":"https://openalex.org/I205582932","ror":"https://ror.org/04p5ggc03","display_name":"Max Delbr\u00fcck Center","country_code":"DE","type":"facility","lineage":["https://openalex.org/I1305996414","https://openalex.org/I205582932"]},"years":[2011]},{"institution":{"id":"https://openalex.org/I2801240073","ror":"https://ror.org/03vzbgh69","display_name":"University Medical Center Freiburg","country_code":"DE","type":"healthcare","lineage":["https://openalex.org/I2801240073"]},"years":[1977]},{"institution":{"id":"https://openalex.org/I4210094118","ror":"https://ror.org/00pjgxh97","display_name":"Universit\u00e4tsklinikum T\u00fcbingen","country_code":"DE","type":"healthcare","lineage":["https://openalex.org/I4210094118"]},"years":[1997,1995,1994,1992,1986]},{"institution":{"id":"https://openalex.org/I4210112713","ror":"https://ror.org/01tvm6f46","display_name":"University Hospital Schleswig-Holstein","country_code":"DE","type":"healthcare","lineage":["https://openalex.org/I4210112713"]},"years":[2013,2007,2005,2003]},{"institution":{"id":"https://openalex.org/I4210113917","ror":"https://ror.org/01xet8208","display_name":"Olgahospital","country_code":"DE","type":"healthcare","lineage":["https://openalex.org/I4210113917","https://openalex.org/I4210161485"]},"years":[1992]},{"institution":{"id":"https://openalex.org/I4210150070","ror":"https://ror.org/04n0rde95","display_name":"Segeberger Kliniken","country_code":"DE","type":"healthcare","lineage":["https://openalex.org/I4210150070"]},"years":[2011]},{"institution":{"id":"https://openalex.org/I7877124","ror":"https://ror.org/001w7jn25","display_name":"Charit\u00e9 \u2013 Universit\u00e4tsmedizin Berlin","country_code":"DE","type":"healthcare","lineage":["https://openalex.org/I7877124"]},"years":[2011]},{"institution":{"id":"https://openalex.org/I8087733","ror":"https://ror.org/03a1kwz48","display_name":"University of T\u00fcbingen","country_code":"DE","type":"education","lineage":["https://openalex.org/I8087733"]},"years":[2009,2000,1999,1998,1997,1996,1995,1994,1993,1992,1991,1990,1989,1988,1987,1986,1982,1981]},{"institution":{"id":"https://openalex.org/I83399316","ror":"https://ror.org/0420db125","display_name":"Rockefeller University","country_code":"US","type":"education","lineage":["https://openalex.org/I83399316"]},"years":[2004]},{"institution":{"id":"https://openalex.org/I9341345","ror":"https://ror.org/00t3r8h32","display_name":"University of L\u00fcbeck","country_code":"DE","type":"education","lineage":["https://openalex.org/I9341345"]},"years":[2017,2014,2013,2011,2009,2008,2007,2004,2003,2002]}],"last_known_institutions":[{"id":"https://openalex.org/I9341345","ror":"https://ror.org/00t3r8h32","display_name":"University of L\u00fcbeck","country_code":"DE","type":"education","lineage":["https://openalex.org/I9341345"]}],"topics":[{"id":"https://openalex.org/T10378","display_name":"Advanced MRI Techniques and Applications","count":14,"subfield":{"id":"https://openalex.org/subfields/2741","display_name":"Radiology, Nuclear Medicine and Imaging"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T10816","display_name":"Cerebrovascular and Carotid Artery Diseases","count":7,"subfield":{"id":"https://openalex.org/subfields/2705","display_name":"Cardiology and Cardiovascular Medicine"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T13481","display_name":"Neurological diseases and metabolism","count":7,"subfield":{"id":"https://openalex.org/subfields/2808","display_name":"Neurology"},"field":{"id":"https://openalex.org/fields/28","display_name":"Neuroscience"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T10129","display_name":"Glioma Diagnosis and Treatment","count":6,"subfield":{"id":"https://openalex.org/subfields/2730","display_name":"Oncology"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}},{"id":"https://openalex.org/T10949","display_name":"Genetic Neurodegenerative Diseases","count":6,"subfield":{"id":"https://openalex.org/subfields/2804","display_name":"Cellular and Molecular Neuroscience"},"field":{"id":"https://openalex.org/fields/28","display_name":"Neuroscience"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}}],"topic_share":[{"id":"https://openalex.org/T13481","display_name":"Neurological diseases and metabolism","value":0.0001113,"subfield":{"id":"https://openalex.org/subfields/2808","display_name":"Neurology"},"field":{"id":"https://openalex.org/fields/28","display_name":"Neuroscience"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T12608","display_name":"Spatial Neglect and Hemispheric Dysfunction","value":7.12e-05,"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"}},{"id":"https://openalex.org/T10949","display_name":"Genetic Neurodegenerative Diseases","value":6.13e-05,"subfield":{"id":"https://openalex.org/subfields/2804","display_name":"Cellular and Molecular Neuroscience"},"field":{"id":"https://openalex.org/fields/28","display_name":"Neuroscience"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}},{"id":"https://openalex.org/T12035","display_name":"Pain Management and Placebo Effect","value":5.2e-05,"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"}},{"id":"https://openalex.org/T11929","display_name":"Cerebral Venous Sinus Thrombosis","value":5.07e-05,"subfield":{"id":"https://openalex.org/subfields/2728","display_name":"Clinical Neurology"},"field":{"id":"https://openalex.org/fields/27","display_name":"Medicine"},"domain":{"id":"https://openalex.org/domains/4","display_name":"Health Sciences"}}],"x_concepts":[{"id":"71924100","wikidata":"https://www.wikidata.org/wiki/Q11190","display_name":"Medicine","score":0.9755781888961792},{"id":"126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","score":0.7517414093017578},{"id":"126838900","wikidata":"https://www.wikidata.org/wiki/Q77604","display_name":"Radiology","score":0.6721694469451904},{"id":"142724271","wikidata":"https://www.wikidata.org/wiki/Q7208","display_name":"Pathology","score":0.6633467674255371},{"id":"118552586","wikidata":"https://www.wikidata.org/wiki/Q7867","display_name":"Psychiatry","score":0.295371413230896}],"counts_by_year":[{"year":1967,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1975,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1977,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1981,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1982,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1984,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1985,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1986,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1987,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1988,"works_count":4,"oa_works_count":0,"cited_by_count":0},{"year":1989,"works_count":5,"oa_works_count":0,"cited_by_count":0},{"year":1990,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":1991,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":1992,"works_count":8,"oa_works_count":0,"cited_by_count":0},{"year":1993,"works_count":10,"oa_works_count":3,"cited_by_count":0},{"year":1994,"works_count":2,"oa_works_count":1,"cited_by_count":0},{"year":1995,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1996,"works_count":3,"oa_works_count":2,"cited_by_count":0},{"year":1997,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":1998,"works_count":3,"oa_works_count":1,"cited_by_count":0},{"year":1999,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2000,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":2002,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":2003,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":2004,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":2005,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":2007,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":2008,"works_count":3,"oa_works_count":2,"cited_by_count":0},{"year":2009,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":2011,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":2012,"works_count":0,"oa_works_count":0,"cited_by_count":89},{"year":2013,"works_count":2,"oa_works_count":1,"cited_by_count":111},{"year":2014,"works_count":1,"oa_works_count":0,"cited_by_count":79},{"year":2015,"works_count":0,"oa_works_count":0,"cited_by_count":61},{"year":2016,"works_count":0,"oa_works_count":0,"cited_by_count":61},{"year":2017,"works_count":1,"oa_works_count":0,"cited_by_count":41},{"year":2018,"works_count":0,"oa_works_count":0,"cited_by_count":54},{"year":2019,"works_count":0,"oa_works_count":0,"cited_by_count":46},{"year":2020,"works_count":0,"oa_works_count":0,"cited_by_count":51},{"year":2021,"works_count":0,"oa_works_count":0,"cited_by_count":58},{"year":2022,"works_count":0,"oa_works_count":0,"cited_by_count":53},{"year":2023,"works_count":0,"oa_works_count":0,"cited_by_count":41},{"year":2024,"works_count":0,"oa_works_count":0,"cited_by_count":43},{"year":2025,"works_count":0,"oa_works_count":0,"cited_by_count":34},{"year":2026,"works_count":0,"oa_works_count":0,"cited_by_count":30}],"display_name_alternatives":["D Petersen","D. PETERSEN","D. Petersen"],"block_key":"h petersen","works_api_url":"https://api.openalex.org/works?filter=author.id:A5111407496","updated_date":"2026-11-09T14:06:01","created_date":"2016-06-24T00:00:00"}