Nobuhiro Fujiki

4.5k total citations · 1 hit paper
51 papers, 3.2k citations indexed

About

Nobuhiro Fujiki is a scholar working on Endocrine and Autonomic Systems, Cognitive Neuroscience and Experimental and Cognitive Psychology. According to data from OpenAlex, Nobuhiro Fujiki has authored 51 papers receiving a total of 3.2k indexed citations (citations by other indexed papers that have themselves been cited), including 25 papers in Endocrine and Autonomic Systems, 24 papers in Cognitive Neuroscience and 21 papers in Experimental and Cognitive Psychology. Recurrent topics in Nobuhiro Fujiki's work include Sleep and Wakefulness Research (24 papers), Sleep and related disorders (20 papers) and Circadian rhythm and melatonin (10 papers). Nobuhiro Fujiki is often cited by papers focused on Sleep and Wakefulness Research (24 papers), Sleep and related disorders (20 papers) and Circadian rhythm and melatonin (10 papers). Nobuhiro Fujiki collaborates with scholars based in Japan, United States and South Korea. Nobuhiro Fujiki's co-authors include Seiji Nishino, Beth Ripley, John R. Cirrito, James J. Lee, David M. Holtzman, Randall J. Bateman, Miranda M. Lim, Yasushi Yoshida, Emmanuel Mignot and Emmanuel Mignot and has published in prestigious journals such as Science, Neurology and SLEEP.

In The Last Decade

Nobuhiro Fujiki

49 papers receiving 3.1k citations

Hit Papers

align trajectories sort by overperformance

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

Amyloid-β Dynamics Are Regulated by Orexin and the Sleep-Wake Cycle

2009 1.2k citations Miranda M. Lim, Randall J. Bateman et al. Science profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name	h						Papers	Cites
Nobuhiro Fujiki Japan	21	2.2k	1.8k	1.6k	606	389	51	3.2k
Dmitry Gerashchenko United States	29	2.1k 1.0×	1.7k 1.0×	1.2k 0.8×	256 0.4×	654 1.7×	57	2.8k
W. Joseph Herring United States	26	1.4k 0.6×	992 0.6×	1.3k 0.8×	270 0.4×	553 1.4×	55	2.6k
Raphaëlle Winsky‐Sommerer United Kingdom	25	1.2k 0.6×	1.1k 0.7×	660 0.4×	456 0.8×	740 1.9×	45	2.6k
Birendra Nath Mallick India	31	2.0k 0.9×	1.0k 0.6×	777 0.5×	314 0.5×	1.2k 3.1×	116	2.7k
Nancy L. Chamberlin United States	29	1.2k 0.6×	1.2k 0.7×	309 0.2×	724 1.2×	893 2.3×	41	2.9k
Débora Cristina Hipólide Brazil	21	991 0.5×	567 0.3×	424 0.3×	393 0.6×	623 1.6×	60	1.8k
Zhian Hu China	24	947 0.4×	635 0.4×	488 0.3×	224 0.4×	530 1.4×	62	1.6k
Stéphanie Perreau‐Lenz Germany	24	848 0.4×	1.3k 0.8×	307 0.2×	551 0.9×	1.1k 2.8×	29	2.5k
Hiroshi Kannan Japan	29	806 0.4×	1.4k 0.8×	395 0.3×	353 0.6×	666 1.7×	79	2.5k
Amy Easton United States	18	576 0.3×	2.0k 1.1×	394 0.3×	1.5k 2.5×	378 1.0×	24	3.2k

Countries citing papers authored by Nobuhiro Fujiki

Since Specialization

Citations

This map shows the geographic impact of Nobuhiro Fujiki's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Nobuhiro Fujiki with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Nobuhiro Fujiki more than expected).

Fields of papers citing papers by Nobuhiro Fujiki

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Nobuhiro Fujiki. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Nobuhiro Fujiki. The network helps show where Nobuhiro Fujiki may publish in the future.

Co-authorship network of co-authors of Nobuhiro Fujiki

This figure shows the co-authorship network connecting the top 25 collaborators of Nobuhiro Fujiki. A scholar is included among the top collaborators of Nobuhiro Fujiki based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Nobuhiro Fujiki. Nobuhiro Fujiki is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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20 of 20 papers shown

Maruyama, Takashi, et al.. (2021). Effectiveness of seasonal influenza vaccine in adult Japanese workers, 2017–2020. Vaccine. 40(4). 621–626. 1 indexed citations

Hashimoto, Hirofumi, Hiroaki Fujihara, Nobuhiro Fujiki, et al.. (2017). Increased oxytocin-monomeric red fluorescent protein 1 fluorescent intensity with urocortin-like immunoreactivity in the hypothalamo-neurohypophysial system of aged transgenic rats. Neuroscience Research. 128. 40–49. 6 indexed citations

Lai, Viet Dac, et al.. (2014). Visual Recognition Memory Test Performance was Improved in Older Adults by Extending Encoding Time and Repeating Test Trials. Journal of Occupational Health. 56(6). 453–460. 3 indexed citations

Lim, Miranda M., Randall J. Bateman, James J. Lee, et al.. (2009). Amyloid-β Dynamics Are Regulated by Orexin and the Sleep-Wake Cycle. Science. 326(5955). 1005–1007. 1152 indexed citations breakdown →

He, Ying, Christopher R. Jones, Nobuhiro Fujiki, et al.. (2009). The Transcriptional Repressor DEC2 Regulates Sleep Length in Mammals. Science. 325(5942). 866–870. 226 indexed citations

Chikahisa, Sachiko, Nobuhiro Fujiki, Kazuyoshi Kitaoka, Noriyuki Shimizu, & Hiroyoshi Séi. (2009). Central AMPK contributes to sleep homeostasis in mice. Neuropharmacology. 57(4). 369–374. 39 indexed citations

Fujiki, Nobuhiro & Seiji Nishino. (2007). Neuropeptides as Possible Targets in Sleep Disorders: Special Emphasis on Hypocretin-Deficient Narcolepsy. CNS & Neurological Disorders - Drug Targets. 6(1). 45–62. 4 indexed citations

Fujiki, Nobuhiro. (2006). Associated Professional Sleep Societies--SLEEP 2006 20th Anniversary Meeting. 17-22 June 2006, Salt Lake City, UT, USA.. PubMed. 9(9). 610–3. 2 indexed citations

Fujiki, Nobuhiro, et al.. (2005). Change in Intrathoracic Pressure in Rats with Spontaneous and Controlled Ventilation during Microgravity by Parabolic Flight. The Japanese Journal of Physiology. 55(1). 69–74. 2 indexed citations

10.

Okura, Mutsumi, Nobuhiro Fujiki, Ichiro Kita, et al.. (2004). The roles of midbrain and diencephalic dopamine cell groups in the regulation of cataplexy in narcoleptic Dobermans. Neurobiology of Disease. 16(1). 274–282. 18 indexed citations

11.

Morita, Hironobu, Takashi Ogino, Nobuhiro Fujiki, et al.. (2004). Sequence of forebrain activation induced by intraventricular injection of hypertonic NaCl detected by Mn2+ contrasted T1-weighted MRI. Autonomic Neuroscience. 113(1-2). 43–54. 22 indexed citations

12.

Fujiki, Nobuhiro, et al.. (2004). Acute hemodynamic responses in the head during microgravity induced by free drop in anesthetized rats. American Journal of Physiology-Regulatory, Integrative and Comparative Physiology. 286(6). R1063–R1068. 13 indexed citations

13.

Fujiki, Nobuhiro, et al.. (2003). Cerebral Circulation during Acute Microgravity Induced by Free Drop in Anesthetized Rats.. The Japanese Journal of Physiology. 53(3). 223–228. 8 indexed citations

14.

Yoshida, Yasushi, Nobuhiro Fujiki, Richard A. Maki, David Schwarz, & Seiji Nishino. (2003). Differential kinetics of hypocretins in the cerebrospinal fluid after intracerebroventricular administration in rats. Neuroscience Letters. 346(3). 182–186. 31 indexed citations

15.

Yoshida, Yasushi, Nobuhiro Fujiki, Takeshi Nakajima, et al.. (2001). Fluctuation of extracellular hypocretin‐1 (orexin A) levels in the rat in relation to the light–dark cycle and sleep–wake activities. European Journal of Neuroscience. 14(7). 1075–1081. 351 indexed citations

16.

Takamata, Akira, Takashi Ogino, Kunihiko Tanaka, et al.. (2001). Effects of pCO2 on the CSF Turnover Rate in Rats Monitored by Gd-DTPA Enhanced T1-Weighted Magnetic Resonance Imaging.. The Japanese Journal of Physiology. 51(5). 555–562. 12 indexed citations

17.

Fujiki, Nobuhiro, Yasushi Yoshida, Beth Ripley, et al.. (2001). Changes in CSF hypocretin-1 (orexin A) levels in rats across 24 hours and in response to food deprivation. Neuroreport. 12(5). 993–997. 168 indexed citations

18.

Ripley, Beth, et al.. (2001). Hypocretin Levels in Sporadic and Familial Cases of Canine Narcolepsy. Neurobiology of Disease. 8(3). 525–534. 115 indexed citations

19.

Fujiki, Nobuhiro, et al.. (1993). Sulfite suppresses transducer function of the carotid sinus baroreceptor. Journal of the Autonomic Nervous System. 43(2). 139–150. 1 indexed citations

20.

Fujiki, Nobuhiro, et al.. (1992). Systems Analysis of the Carotid Sinus Baroreflex System Using a Sum-of-Sinusoidal Input.. The Japanese Journal of Physiology. 42(1). 15–34. 13 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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