Shun Nakajima

1.1k total citations · 1 hit paper
36 papers, 720 citations indexed

About

Shun Nakajima is a scholar working on Experimental and Cognitive Psychology, Cognitive Neuroscience and Clinical Psychology. According to data from OpenAlex, Shun Nakajima has authored 36 papers receiving a total of 720 indexed citations (citations by other indexed papers that have themselves been cited), including 25 papers in Experimental and Cognitive Psychology, 14 papers in Cognitive Neuroscience and 9 papers in Clinical Psychology. Recurrent topics in Shun Nakajima's work include Sleep and related disorders (16 papers), Sleep and Wakefulness Research (12 papers) and Anxiety, Depression, Psychometrics, Treatment, Cognitive Processes (7 papers). Shun Nakajima is often cited by papers focused on Sleep and related disorders (16 papers), Sleep and Wakefulness Research (12 papers) and Anxiety, Depression, Psychometrics, Treatment, Cognitive Processes (7 papers). Shun Nakajima collaborates with scholars based in Japan, United States and Switzerland. Shun Nakajima's co-authors include Yuichi Inoue, Isa Okajima, Mina Kobayashi, Yoko Komada, Masaru Horikoshi, Yuki Oe, Noriko Kato, Masaya Ito, Ayako Kanie and Christopher L. Drake and has published in prestigious journals such as PLoS ONE, Psychological Medicine and Journal of Affective Disorders.

In The Last Decade

Shun Nakajima

33 papers receiving 711 citations

Hit Papers

1 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.

Components and Delivery Formats of Cognitive Behavioral Therapy for Chronic Insomnia in Adults

2024 58 citations Yuki Furukawa, Masatsugu Sakata et al. JAMA Psychiatry profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Shun Nakajima Japan	15	466	243	206	102	98	36	720
Jamie Cassoff Canada	12	466 1.0×	257 1.1×	164 0.8×	70 0.7×	130 1.3×	16	680
Joanna M. Waloszek Australia	12	472 1.0×	256 1.1×	239 1.2×	76 0.7×	159 1.6×	16	822
Sara Olavarrieta‐Bernardino Spain	8	514 1.1×	264 1.1×	162 0.8×	113 1.1×	97 1.0×	10	707
Valeria Bacaro Italy	14	473 1.0×	216 0.9×	160 0.8×	133 1.3×	100 1.0×	33	693
Tasha Kalista United States	6	549 1.2×	357 1.5×	132 0.6×	151 1.5×	109 1.1×	10	787
Juan J. Madrid‐Valero Spain	14	446 1.0×	185 0.8×	139 0.7×	80 0.8×	67 0.7×	40	708
Lampros Bisdounis United Kingdom	7	373 0.8×	233 1.0×	113 0.5×	143 1.4×	50 0.5×	11	535
Taryn G. Moss Canada	12	324 0.7×	166 0.7×	150 0.7×	41 0.4×	56 0.6×	13	609
Janeese Brownlow United States	12	326 0.7×	223 0.9×	267 1.3×	64 0.6×	70 0.7×	27	650
Peter J. Colvonen United States	14	379 0.8×	214 0.9×	351 1.7×	74 0.7×	40 0.4×	25	812

Countries citing papers authored by Shun Nakajima

Since Specialization

Citations

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

Fields of papers citing papers by Shun Nakajima

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Shun Nakajima

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

Furukawa, Yuki, Masatsugu Sakata, Ryuichiro Yamamoto, et al.. (2024). Components and Delivery Formats of Cognitive Behavioral Therapy for Chronic Insomnia in Adults. JAMA Psychiatry. 81(4). 357–357. 58 indexed citations breakdown →

Furukawa, Yuki, Rie Toyomoto, Kei Kobayashi, et al.. (2024). Cognitive behavioral therapy for insomnia to treat major depressive disorder with comorbid insomnia: A systematic review and meta-analysis. Journal of Affective Disorders. 367. 359–366. 11 indexed citations

Sugawara, Daichi, et al.. (2024). Possible Futures for the Psychological Network Approach: Agenda for Clinical Scientists. Japanese Psychological Research. 67(2). 132–146. 2 indexed citations

Matsumoto, Akira, et al.. (2024). How Can Near‐Infrared Spectroscopy (NIRS) Help Understanding of the Psychotherapy Process? A Scoping Review of Therapeutic Interactions. Japanese Psychological Research. 67(2). 175–194.

Ito, Masaya, Masaru Horikoshi, Noriko Kato, et al.. (2022). Efficacy of the unified protocol for transdiagnostic cognitive-behavioral treatment for depressive and anxiety disorders: a randomized controlled trial. Psychological Medicine. 53(7). 3009–3020. 8 indexed citations

Ojio, Yasutaka, Asami Matsunaga, Sosei Yamaguchi, et al.. (2021). Association of mental health help-seeking with mental health-related knowledge and stigma in Japan Rugby Top League players. PLoS ONE. 16(8). e0256125–e0256125. 6 indexed citations

Takebayashi, Yoshitake, Masaya Ito, Noriko Kato, et al.. (2020). Expressive suppression of emotion is a moderator of anxiety in a unified protocol for transdiagnostic treatment of anxiety and depressive disorders: A secondary analysis. Journal of Affective Disorders. 277. 1–4. 14 indexed citations

Okajima, Isa, Shun Nakajima, Yuichi Inoue, et al.. (2018). Effectiveness of cognitive behavioral therapy for pharmacotherapy-resistant chronic insomnia: a multi-center randomized controlled trial in Japan. Sleep Medicine. 50. 105–112. 12 indexed citations

Nakajima, Shun, Yoko Komada, Taeko Sasai-Sakuma, et al.. (2017). Higher sleep reactivity and insomnia mutually aggravate depressive symptoms: a cross-sectional epidemiological study in Japan. Sleep Medicine. 33. 130–133. 16 indexed citations

10.

Ito, Masaya, Masaru Horikoshi, Noriko Kato, et al.. (2016). Transdiagnostic and Transcultural: Pilot Study of Unified Protocol for Depressive and Anxiety Disorders in Japan. Behavior Therapy. 47(3). 416–430. 27 indexed citations

11.

Nakajima, Shun, Yuichi Inoue, Taeko Sasai, et al.. (2014). Impact of frequency of nightmares comorbid with insomnia on depression in Japanese rural community residents: a cross-sectional study. Sleep Medicine. 15(3). 371–374. 20 indexed citations

12.

Ito, Masaya, Yuki Oe, Noriko Kato, et al.. (2014). Validity and clinical interpretability of Overall Anxiety Severity And Impairment Scale (OASIS). Journal of Affective Disorders. 170. 217–224. 35 indexed citations

13.

Ishikawa, Motonao, Gaku Yamanaka, Shun Nakajima, et al.. (2013). Association between high altitude and depression in the Himalayas and the Andes. Nippon Ronen Igakkai Zasshi Japanese Journal of Geriatrics. 50(3). 330–334. 8 indexed citations

14.

Takagaki, Koki, Isa Okajima, Shun Nakajima, et al.. (2013). Preliminary Assessment of the Behavioral Activation Model in Japanese Undergraduate Students. Psychological Reports. 112(1). 47–59. 11 indexed citations

15.

Okajima, Isa, et al.. (2013). Cognitive behavioural therapy with behavioural analysis for pharmacological treatment-resistant chronic insomnia. Psychiatry Research. 210(2). 515–521. 14 indexed citations

16.

Komada, Yoko, et al.. (2013). Daytime dysfunction in children with restless legs syndrome. Journal of the Neurological Sciences. 336(1-2). 232–236. 31 indexed citations

17.

Nakajima, Shun, Isa Okajima, Taeko Sasai, et al.. (2013). Validation of the Japanese version of the Ford Insomnia Response to Stress Test and the association of sleep reactivity with trait anxiety and insomnia. Sleep Medicine. 15(2). 196–202. 38 indexed citations

18.

Ishikawa, Motonao, Naomune Yamamoto, Gaku Yamanaka, et al.. (2012). Disaster-related psychiatric disorders among survivors of flooding in Ladakh, India. International Journal of Social Psychiatry. 59(5). 468–473. 22 indexed citations

19.

Horie, Hidenori, et al.. (2009). To Keep the Object’s Retinal Projection Size Constant Is Essential for Induction of a Pupillary Constriction During Far Accommodation. Investigative Ophthalmology & Visual Science. 50(13). 3923–3923. 1 indexed citations

20.

Uemura, K, Tōru Yokoyama, Shun Nakajima, et al.. (1985). [Facial nerve neurinoma--report of 2 cases].. PubMed. 13(2). 225–31. 2 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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