{"id":"https://openalex.org/A5139920827","orcid":null,"observed_orcids":[],"display_name":"Kefeng Ma","raw_author_names":["Kefeng Ma"],"full_name":"Kefeng Ma","works_count":1,"cited_by_count":0,"summary_stats":{"2yr_mean_citedness":0.0,"h_index":0,"i10_index":0},"ids":{"openalex":"https://openalex.org/A5139920827","orcid":null,"observed_orcids":[]},"affiliations":[{"institution":{"id":"https://openalex.org/I2802541053","ror":"https://ror.org/02bv3c993","display_name":"Academy of Military Medical Sciences","country_code":"CN","type":"facility","lineage":["https://openalex.org/I2802541053"]},"years":[2026]}],"last_known_institutions":[{"id":"https://openalex.org/I2802541053","ror":"https://ror.org/02bv3c993","display_name":"Academy of Military Medical Sciences","country_code":"CN","type":"facility","lineage":["https://openalex.org/I2802541053"]}],"topics":[{"id":"https://openalex.org/T10342","display_name":"Circadian rhythm and melatonin","count":1,"subfield":{"id":"https://openalex.org/subfields/2807","display_name":"Endocrine and Autonomic Systems"},"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/T10985","display_name":"Sleep and Wakefulness Research","count":1,"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/T11456","display_name":"Neuroscience of respiration and sleep","count":1,"subfield":{"id":"https://openalex.org/subfields/2807","display_name":"Endocrine and Autonomic Systems"},"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/T10985","display_name":"Sleep and Wakefulness Research","value":6.7e-06,"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/T11456","display_name":"Neuroscience of respiration and sleep","value":6e-06,"subfield":{"id":"https://openalex.org/subfields/2807","display_name":"Endocrine and Autonomic Systems"},"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/T10342","display_name":"Circadian rhythm and melatonin","value":4.4e-06,"subfield":{"id":"https://openalex.org/subfields/2807","display_name":"Endocrine and Autonomic Systems"},"field":{"id":"https://openalex.org/fields/28","display_name":"Neuroscience"},"domain":{"id":"https://openalex.org/domains/1","display_name":"Life Sciences"}}],"x_concepts":[{"id":"118403218","wikidata":"https://www.wikidata.org/wiki/Q43283","display_name":"Biological neural network","score":0.501800000667572},{"id":"104966671","wikidata":"https://www.wikidata.org/wiki/Q12167532","display_name":"Cholinergic neuron","score":0.33329999446868896},{"id":"112592302","wikidata":"https://www.wikidata.org/wiki/Q1207387","display_name":"Excitatory postsynaptic potential","score":0.32499998807907104},{"id":"121446783","wikidata":"https://www.wikidata.org/wiki/Q208353","display_name":"Circadian rhythm","score":0.322299987077713},{"id":"110539466","wikidata":"https://www.wikidata.org/wiki/Q3964845","display_name":"Slow-wave sleep","score":0.29820001125335693}],"counts_by_year":[{"year":2026,"works_count":1,"oa_works_count":1,"cited_by_count":0}],"display_name_alternatives":["Kefeng Ma"],"block_key":"k ma","works_api_url":"https://api.openalex.org/works?filter=author.id:A5139920827","updated_date":"2026-10-10T12:59:14","created_date":"2026-07-03T00:00:00"}