Chie Usui

3.9k total citations · 2 hit papers
76 papers, 2.6k citations indexed

About

Chie Usui is a scholar working on Psychiatry and Mental health, Pharmacology and Cognitive Neuroscience. According to data from OpenAlex, Chie Usui has authored 76 papers receiving a total of 2.6k indexed citations (citations by other indexed papers that have themselves been cited), including 36 papers in Psychiatry and Mental health, 24 papers in Pharmacology and 11 papers in Cognitive Neuroscience. Recurrent topics in Chie Usui's work include Fibromyalgia and Chronic Fatigue Syndrome Research (19 papers), Musculoskeletal pain and rehabilitation (17 papers) and Schizophrenia research and treatment (12 papers). Chie Usui is often cited by papers focused on Fibromyalgia and Chronic Fatigue Syndrome Research (19 papers), Musculoskeletal pain and rehabilitation (17 papers) and Schizophrenia research and treatment (12 papers). Chie Usui collaborates with scholars based in Japan, United States and Canada. Chie Usui's co-authors include Winfried Häuser, Mary‐Ann Fitzcharles, Geoffrey Littlejohn, Daniel J. Clauw, Steven P. Cohen, Kotaro Hatta, Juan V. Luciano, Jacob N. Ablin, Brian Walitt and Yasuhiro Kishi and has published in prestigious journals such as The Lancet, PLoS ONE and Pain.

In The Last Decade

Chie Usui

71 papers receiving 2.5k citations

Hit Papers

align trajectories

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.

Nociplastic pain: towards an understanding of prevalent pain conditions

2021 657 citations Mary‐Ann Fitzcharles, Geoffrey Littlejohn et al. profile →
Fibromyalgia

2015 326 citations Winfried Häuser, Jacob N. Ablin et al. Nature Reviews Disease Primers profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Chie Usui Japan	24	1.1k	795	426	330	307	76	2.6k
Yehuda Shavit Israel	34	1.1k 1.0×	228 0.3×	1.4k 3.3×	225 0.7×	209 0.7×	63	4.6k
Kyle Vader Canada	9	425 0.4×	881 1.1×	776 1.8×	481 1.5×	64 0.2×	27	2.8k
H. Merskey Canada	18	568 0.5×	510 0.6×	575 1.3×	428 1.3×	60 0.2×	41	2.6k
Shu‐Ming Wang United States	37	275 0.3×	277 0.3×	210 0.5×	670 2.0×	496 1.6×	99	4.4k
Érica Leandro Marciano Vieira Brazil	31	445 0.4×	229 0.3×	509 1.2×	133 0.4×	64 0.2×	188	3.3k
John J. Barry United States	30	2.6k 2.4×	170 0.2×	184 0.4×	446 1.4×	94 0.3×	60	4.0k
Christopher Sivert Nielsen Norway	25	404 0.4×	803 1.0×	738 1.7×	488 1.5×	25 0.1×	89	2.5k
Monique van Velzen Netherlands	32	193 0.2×	568 0.7×	615 1.4×	213 0.6×	113 0.4×	105	2.6k
Mads U. Werner Denmark	34	178 0.2×	467 0.6×	1.1k 2.5×	376 1.1×	156 0.5×	149	4.5k
Guy Hans Belgium	30	408 0.4×	664 0.8×	1.5k 3.6×	267 0.8×	51 0.2×	84	3.0k

Countries citing papers authored by Chie Usui

Since Specialization

Citations

This map shows the geographic impact of Chie Usui'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 Chie Usui with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Chie Usui more than expected).

Fields of papers citing papers by Chie Usui

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Chie Usui. 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 Chie Usui. The network helps show where Chie Usui may publish in the future.

Co-authorship network of co-authors of Chie Usui

This figure shows the co-authorship network connecting the top 25 collaborators of Chie Usui. A scholar is included among the top collaborators of Chie Usui 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 Chie Usui. Chie Usui 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

Kirino, Eiji, et al.. (2023). Functional connectivity in autism spectrum disorder evaluated using rs-fMRI and DKI. Cerebral Cortex. 34(13). 129–145. 4 indexed citations

Usui, Chie, Tsutomu Soma, Kotaro Hatta, et al.. (2017). A study of brain metabolism in fibromyalgia by positron emission tomography. Progress in Neuro-Psychopharmacology and Biological Psychiatry. 75. 120–127. 6 indexed citations

Nishioka, Kenya, Toyoyoshi Uchida, Chie Usui, et al.. (2016). High prevalence of anti-TSH receptor antibody in fibromyalgia syndrome. International Journal of Rheumatic Diseases. 20(6). 685–690. 13 indexed citations

Häuser, Winfried, Jacob N. Ablin, Mary‐Ann Fitzcharles, et al.. (2015). Fibromyalgia. Nature Reviews Disease Primers. 1(1). 15022–15022. 326 indexed citations breakdown →

Nishioka, Kenya, Tetsuo Hayashi, Michimasa Suzuki, et al.. (2015). Fibromyalgia syndrome and cognitive dysfunction in elderly: a case series. International Journal of Rheumatic Diseases. 19(1). 21–29. 7 indexed citations

Hatta, Kotaro, Kiyoshi Fujita, Shin Ito, et al.. (2014). Antipsychotic switching versus augmentation among early non-responders to risperidone or olanzapine in acute-phase schizophrenia. Schizophrenia Research. 158(1-3). 213–222. 19 indexed citations

Hatta, Kotaro, Yasuhiko Sudo, Yutaka Shirai, et al.. (2013). The possibility that requiring high-dose olanzapine cannot be explained by pharmacokinetics in the treatment of acute-phase schizophrenia. Psychiatry Research. 210(2). 396–401. 7 indexed citations

Shiota, Satomi, et al.. (2013). Effect of continuous positive airway pressure on regional cerebral blood flow during wakefulness in obstructive sleep apnea. Sleep And Breathing. 18(2). 289–295. 21 indexed citations

Ito, Masanobu, Kotaro Hatta, Chie Usui, & Heii Arai. (2012). Urine catecholamine levels are not influenced by electroconvulsive therapy in depression or schizophrenia over the long term. Psychiatry and Clinical Neurosciences. 66(7). 602–610. 6 indexed citations

10.

Oka, Hiroshi, et al.. (2012). An open-label long-term phase III extension trial to evaluate the safety and efficacy of pregabalin in Japanese patients with fibromyalgia. Modern Rheumatology. 23(6). 1108–15. 8 indexed citations

11.

Hoshi, Yoko, Masanari Itokawa, Takeo Yoshikawa, et al.. (2012). Paradox of schizophrenia genetics: is a paradigm shift occurring?. Behavioral and Brain Functions. 8(1). 28–28. 8 indexed citations

12.

Usui, Chie, Kotaro Hatta, Shinichiro Kubo, et al.. (2011). Improvements in both psychosis and motor signs in Parkinson's disease, and changes in regional cerebral blood flow after electroconvulsive therapy. Progress in Neuro-Psychopharmacology and Biological Psychiatry. 35(7). 1704–1708. 44 indexed citations

13.

Usui, Chie, Kotaro Hatta, Satoko Aratani, et al.. (2011). The Japanese version of the 2010 American College of Rheumatology Preliminary Diagnostic Criteria for Fibromyalgia and the Fibromyalgia Symptom Scale: reliability and validity. Modern Rheumatology. 22(1). 40–44. 26 indexed citations

14.

Usui, Chie, Kotaro Hatta, Atsushi Nakanishi, et al.. (2010). Brain perfusion in fibromyalgia patients and its differences between responders and poor responders to gabapentin. Arthritis Research & Therapy. 12(2). R64–R64. 25 indexed citations

15.

Hatta, Kotaro, Hiroyuki Nakamura, Chie Usui, & Hisashi Kurosawa. (2010). Utility and sufficiency of psychiatric inpatient units in general hospitals: A cross‐sectional study in Tokyo. Psychiatry and Clinical Neurosciences. 64(6). 642–644. 3 indexed citations

16.

Hatta, Kotaro, Koji Sato, Hiroshi Hamakawa, et al.. (2009). Effectiveness of second-generation antipsychotics with acute-phase schizophrenia. Schizophrenia Research. 113(1). 49–55. 43 indexed citations

17.

Shibata, Nobuto, Tohru Ohnuma, Shinji Higashi, et al.. (2005). No Genetic Association between ATP Binding Cassette Proteins and Japanese Sporadic Alzheimer’s Disease. Dementia and Geriatric Cognitive Disorders. 20(2-3). 95–98. 1 indexed citations

18.

Usui, Chie, Yuichi Inoue, Michihiro Kimura, et al.. (2004). Irreversible Subcortical Dementia Following High Altitude Illness. High Altitude Medicine & Biology. 5(1). 77–81. 26 indexed citations

19.

Yoshikawa, Tetsushi, Kenji Suzuki, Shiho Akimoto, et al.. (2004). Atypical clinical features of a human herpesvirus‐6 infection in a neonate. Journal of Medical Virology. 74(3). 463–466. 5 indexed citations

20.

Usui, Chie, et al.. (1996). Results of Surgery for Paralytic Exotropia due to Oculomotor Palsy. Ophthalmologica. 210(3). 163–167. 16 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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