{"id":"https://openalex.org/A5113684425","orcid":null,"observed_orcids":[],"display_name":"Matti P. Vapalahti","raw_author_names":["M Vapalahti","M. P. Vapalahti","M. VAPALAHTI","M. Vapalahti","Matti P. Vapalahti","Matti Vapalahti","Vapalahti Matti"],"full_name":"Matti P. Vapalahti","works_count":120,"cited_by_count":5673,"summary_stats":{"2yr_mean_citedness":0.0,"h_index":37,"i10_index":64},"ids":{"openalex":"https://openalex.org/A5113684425","orcid":null,"observed_orcids":[]},"affiliations":[{"institution":{"id":"https://openalex.org/I130217899","ror":"https://ror.org/029pk6x14","display_name":"\u00c5bo Akademi University","country_code":"FI","type":"education","lineage":["https://openalex.org/I130217899"]},"years":[1997]},{"institution":{"id":"https://openalex.org/I133731052","ror":"https://ror.org/040af2s02","display_name":"University of Helsinki","country_code":"FI","type":"education","lineage":["https://openalex.org/I133731052"]},"years":[1971,1970]},{"institution":{"id":"https://openalex.org/I155660961","ror":"https://ror.org/05vghhr25","display_name":"University of Turku","country_code":"FI","type":"education","lineage":["https://openalex.org/I155660961"]},"years":[2000,1997,1979]},{"institution":{"id":"https://openalex.org/I175532246","ror":"https://ror.org/00cyydd11","display_name":"University of Eastern Finland","country_code":"FI","type":"education","lineage":["https://openalex.org/I175532246"]},"years":[2004,1999,1994,1993]},{"institution":{"id":"https://openalex.org/I2799272722","ror":"https://ror.org/045ney286","display_name":"Oulu University Hospital","country_code":"FI","type":"healthcare","lineage":["https://openalex.org/I2799272722"]},"years":[1993]},{"institution":{"id":"https://openalex.org/I2800394112","ror":"https://ror.org/02e8hzf44","display_name":"Helsinki University Hospital","country_code":"FI","type":"healthcare","lineage":["https://openalex.org/I2800394112","https://openalex.org/I4210166427"]},"years":[2008,2001,1972,1971,1969]},{"institution":{"id":"https://openalex.org/I2801970007","ror":"https://ror.org/05dbzj528","display_name":"Turku University Hospital","country_code":"FI","type":"healthcare","lineage":["https://openalex.org/I2801970007","https://openalex.org/I4210127022"]},"years":[1977]},{"institution":{"id":"https://openalex.org/I34809795","ror":"https://ror.org/00f2yqf98","display_name":"Medizinische Hochschule Hannover","country_code":"DE","type":"education","lineage":["https://openalex.org/I34809795"]},"years":[1976,1972]},{"institution":{"id":"https://openalex.org/I4210092991","ror":"https://ror.org/00fqdfs68","display_name":"Kuopio University Hospital","country_code":"FI","type":"healthcare","lineage":["https://openalex.org/I4210092991","https://openalex.org/I4405278559"]},"years":[2008,2007,2005,2004,2003,2002,2001,2000,1999,1998,1997,1996,1995,1994,1993,1992,1990,1989,1988,1985,1983,1980,1979]},{"institution":{"id":"https://openalex.org/I4210105428","ror":"https://ror.org/01761e930","display_name":"Turku PET Centre","country_code":"FI","type":"facility","lineage":["https://openalex.org/I130217899","https://openalex.org/I155660961","https://openalex.org/I2801970007","https://openalex.org/I4210105428","https://openalex.org/I4210127022"]},"years":[1997]},{"institution":{"id":"https://openalex.org/I4210140036","ror":"https://ror.org/054h11b04","display_name":"Central Finland Health Care District","country_code":"FI","type":"healthcare","lineage":["https://openalex.org/I4210140036"]},"years":[1993]},{"institution":{"id":"https://openalex.org/I79576946","ror":"https://ror.org/00b30xv10","display_name":"University of Pennsylvania","country_code":"US","type":"education","lineage":["https://openalex.org/I79576946"]},"years":[2008]}],"last_known_institutions":null,"topics":[{"id":"https://openalex.org/T10420","display_name":"Intracranial Aneurysms: Treatment and Complications","count":35,"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"}},{"id":"https://openalex.org/T10706","display_name":"Traumatic Brain Injury and Neurovascular Disturbances","count":29,"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"}},{"id":"https://openalex.org/T10094","display_name":"Epilepsy research and treatment","count":28,"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"}},{"id":"https://openalex.org/T12622","display_name":"Neurosurgical Procedures and Complications","count":23,"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"}},{"id":"https://openalex.org/T11402","display_name":"Vascular Malformations Diagnosis and Treatment","count":17,"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"}}],"topic_share":[{"id":"https://openalex.org/T10420","display_name":"Intracranial Aneurysms: Treatment and Complications","value":0.0001643,"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"}},{"id":"https://openalex.org/T11402","display_name":"Vascular Malformations Diagnosis and Treatment","value":0.0001405,"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"}},{"id":"https://openalex.org/T12622","display_name":"Neurosurgical Procedures and Complications","value":0.0001364,"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"}},{"id":"https://openalex.org/T11406","display_name":"Cerebrospinal fluid and hydrocephalus","value":0.0001348,"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"}},{"id":"https://openalex.org/T13323","display_name":"Spinal Hematomas and Complications","value":0.0001089,"subfield":{"id":"https://openalex.org/subfields/2746","display_name":"Surgery"},"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":0.9905099868774414},{"id":"141071460","wikidata":"https://www.wikidata.org/wiki/Q40821","display_name":"Surgery","score":0.7025850415229797},{"id":"126838900","wikidata":"https://www.wikidata.org/wiki/Q77604","display_name":"Radiology","score":0.5528912544250488},{"id":"126322002","wikidata":"https://www.wikidata.org/wiki/Q11180","display_name":"Internal medicine","score":0.4872083067893982},{"id":"118552586","wikidata":"https://www.wikidata.org/wiki/Q7867","display_name":"Psychiatry","score":0.29754728078842163}],"counts_by_year":[{"year":1966,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1969,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1970,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1971,"works_count":3,"oa_works_count":1,"cited_by_count":0},{"year":1972,"works_count":6,"oa_works_count":0,"cited_by_count":0},{"year":1973,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":1974,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1975,"works_count":4,"oa_works_count":0,"cited_by_count":0},{"year":1976,"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":1978,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1979,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1980,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1983,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1984,"works_count":3,"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":1988,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":1989,"works_count":1,"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":1,"oa_works_count":0,"cited_by_count":0},{"year":1992,"works_count":5,"oa_works_count":0,"cited_by_count":0},{"year":1993,"works_count":8,"oa_works_count":1,"cited_by_count":0},{"year":1994,"works_count":5,"oa_works_count":0,"cited_by_count":0},{"year":1995,"works_count":2,"oa_works_count":1,"cited_by_count":0},{"year":1996,"works_count":4,"oa_works_count":0,"cited_by_count":0},{"year":1997,"works_count":8,"oa_works_count":1,"cited_by_count":0},{"year":1998,"works_count":8,"oa_works_count":0,"cited_by_count":0},{"year":1999,"works_count":10,"oa_works_count":0,"cited_by_count":0},{"year":2000,"works_count":7,"oa_works_count":1,"cited_by_count":0},{"year":2001,"works_count":5,"oa_works_count":2,"cited_by_count":0},{"year":2002,"works_count":6,"oa_works_count":0,"cited_by_count":0},{"year":2003,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":2004,"works_count":2,"oa_works_count":1,"cited_by_count":0},{"year":2005,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2006,"works_count":1,"oa_works_count":0,"cited_by_count":0},{"year":2007,"works_count":2,"oa_works_count":0,"cited_by_count":0},{"year":2008,"works_count":3,"oa_works_count":0,"cited_by_count":0},{"year":2010,"works_count":1,"oa_works_count":1,"cited_by_count":0},{"year":2012,"works_count":0,"oa_works_count":0,"cited_by_count":252},{"year":2013,"works_count":0,"oa_works_count":0,"cited_by_count":198},{"year":2014,"works_count":1,"oa_works_count":0,"cited_by_count":181},{"year":2015,"works_count":0,"oa_works_count":0,"cited_by_count":195},{"year":2016,"works_count":0,"oa_works_count":0,"cited_by_count":140},{"year":2017,"works_count":0,"oa_works_count":0,"cited_by_count":170},{"year":2018,"works_count":0,"oa_works_count":0,"cited_by_count":130},{"year":2019,"works_count":0,"oa_works_count":0,"cited_by_count":129},{"year":2020,"works_count":0,"oa_works_count":0,"cited_by_count":123},{"year":2021,"works_count":0,"oa_works_count":0,"cited_by_count":131},{"year":2022,"works_count":0,"oa_works_count":0,"cited_by_count":101},{"year":2023,"works_count":0,"oa_works_count":0,"cited_by_count":124},{"year":2024,"works_count":0,"oa_works_count":0,"cited_by_count":104},{"year":2025,"works_count":0,"oa_works_count":0,"cited_by_count":73},{"year":2026,"works_count":0,"oa_works_count":0,"cited_by_count":48}],"display_name_alternatives":["M Vapalahti","M. P. Vapalahti","M. VAPALAHTI","M. Vapalahti","Matti P. Vapalahti","Matti Vapalahti","Vapalahti Matti"],"block_key":"m vapalahti","works_api_url":"https://api.openalex.org/works?filter=author.id:A5113684425","awards_count":0,"updated_date":"2026-11-07T12:08:38","created_date":"2016-06-24T00:00:00"}
