Hiroaki Niki

5.1k total citations · 1 hit paper
54 papers, 4.1k citations indexed

About

Hiroaki Niki is a scholar working on Cellular and Molecular Neuroscience, Cognitive Neuroscience and Molecular Biology. According to data from OpenAlex, Hiroaki Niki has authored 54 papers receiving a total of 4.1k indexed citations (citations by other indexed papers that have themselves been cited), including 30 papers in Cellular and Molecular Neuroscience, 26 papers in Cognitive Neuroscience and 18 papers in Molecular Biology. Recurrent topics in Hiroaki Niki's work include Neuroscience and Neuropharmacology Research (20 papers), Memory and Neural Mechanisms (14 papers) and Receptor Mechanisms and Signaling (11 papers). Hiroaki Niki is often cited by papers focused on Neuroscience and Neuropharmacology Research (20 papers), Memory and Neural Mechanisms (14 papers) and Receptor Mechanisms and Signaling (11 papers). Hiroaki Niki collaborates with scholars based in Japan, United States and Czechia. Hiroaki Niki's co-authors include Masataka Watanabe, Kinziro Kubota, Kazutaka Ikeda, Toshiyuki Watanabe, Takeshi Yagi, Tsuyoshi Miyakawa, Masamichi Sakagami, Toshiro Kumanishi, Ryoji Yano and Toru Kobayashi and has published in prestigious journals such as Science, Journal of Neuroscience and Nature Neuroscience.

In The Last Decade

Hiroaki Niki

53 papers receiving 3.9k 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.

Prefrontal cortical unit activity and delayed alternation performance in monkeys.

1971 505 citations Hiroaki Niki et al. profile →

Peers

Hiroaki Niki

CMN

PHYSI

NEURO

D.S. Olton United States

C. A. Barnes United States

Gail E. Handelmann United States

O.T. Phillipson United Kingdom

Denise Salvert France

Fabio Bordi Italy

Bruno Will France

Greg Rose United States

Priyattam J. Shiromani United States

Bernát Kocsis United States

D.S. Olton United States

Hiroaki Niki

2.3k ×0.8

2.0k ×1.1

CMN

702 ×0.8

225 ×0.9

PHYSI

294 ×1.3

NEURO

Citations per year, relative to Hiroaki Niki Hiroaki Niki (= 1×) peers D.S. Olton

Countries citing papers authored by Hiroaki Niki

Since Specialization

Citations

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

Fields of papers citing papers by Hiroaki Niki

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

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

Co-authorship network of co-authors of Hiroaki Niki

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

Ide, Soichiro, Takehiro Takahashi, Yukio Takamatsu, et al.. (2016). Distinct Roles of Opioid and Dopamine Systems in Lateral Hypothalamic Intracranial Self-Stimulation. The International Journal of Neuropsychopharmacology. 20(5). pyw113–pyw113. 14 indexed citations

Kojima, Nobuhiko, Gilyana Borlikova, Toshiro Sakamoto, et al.. (2008). Inducible cAMP Early Repressor Acts as a Negative Regulator for Kindling Epileptogenesis and Long-Term Fear Memory. Journal of Neuroscience. 28(25). 6459–6472. 39 indexed citations

Sakamoto, Toshiro, Kanako Takatsuki, Shigenori Kawahara, et al.. (2005). Role of hippocampal NMDA receptors in trace eyeblink conditioning. Brain Research. 1039(1-2). 130–136. 26 indexed citations

Kojima, Nobuhiko, Toshiro Sakamoto, Shogo Endo, & Hiroaki Niki. (2005). Impairment of conditioned freezing to tone, but not to context, in Fyn‐transgenic mice: relationship to NMDA receptor subunit 2B function. European Journal of Neuroscience. 21(5). 1359–1369. 29 indexed citations

Hironaka, Naoyuki, Kazutaka Ikeda, Ichiro Sora, George R. Uhl, & Hiroaki Niki. (2004). Food‐Reinforced Operant Behavior in Dopamine Transporter Knockout Mice: Enhanced Resistance to Extinction. Annals of the New York Academy of Sciences. 1025(1). 140–145. 46 indexed citations

Hironaka, Naoyuki, Takeshi Yagi, & Hiroaki Niki. (2002). Light-potentiation of acoustic startle response (ASR) and monoamine efflux related to fearfulness in Fyn-deficient mice. Molecular Brain Research. 98(1-2). 102–110. 4 indexed citations

Ishida, Yasushi, Daiichiro Nakahara, Hiroyuki Hashiguchi, et al.. (2002). Fos expression in GABAergic cells and cells immunopositive for NMDA receptors in the inferior and superior colliculi following audiogenic seizures in rats. Synapse. 46(2). 100–107. 11 indexed citations

Ikeda, Kazutaka, Toru Kobayashi, Toshiro Kumanishi, et al.. (2002). Molecular mechanisms of analgesia induced by opioids and ethanol: is the GIRK channel one of the keys?. Neuroscience Research. 44(2). 121–131. 75 indexed citations

Miyakawa, Tsuyoshi, Takeshi Yagi, Keizo Takao, & Hiroaki Niki. (2001). Differential effect of Fyn tyrosine kinase deletion on offensive and defensive aggression. Behavioural Brain Research. 122(1). 51–56. 18 indexed citations

10.

Sakamoto, Toshiro & Hiroaki Niki. (2001). Acoustic priming lowers the threshold for electrically induced seizures in mice inferior colliculus, but not in the deep layers of superior colliculus. Brain Research. 898(2). 358–363. 11 indexed citations

11.

Hironaka, Naoyuki & Hiroaki Niki. (2000). Effects of N-methyl-d-aspartate receptor subunit antagonists on regulation of susceptibility to audiogenic seizures in rats. Neuroscience Letters. 288(2). 139–142. 11 indexed citations

12.

Koide, Tsuyoshi, Kazuo Moriwaki, Kazutaka Ikeda, Hiroaki Niki, & Toshihiko Shiroishi. (2000). Multi-phenotype behavioral characterization of inbred strains derived from wild stocks of Mus musculus. Mammalian Genome. 11(8). 664–670. 81 indexed citations

13.

Ikeda, Kazutaka, Toru Kobayashi, Toshiro Kumanishi, Hiroaki Niki, & Ryoji Yano. (2000). Involvement of G-protein-activated inwardly rectifying K+ (GIRK) channels in opioid-induced analgesia. Neuroscience Research. 38(1). 113–116. 78 indexed citations

14.

Kobayashi, Toru, Kazutaka Ikeda, Hiroaki Niki, et al.. (1999). Ethanol opens G-protein-activated inwardly rectifying K+ channels. Nature Neuroscience. 2(12). 1091–1097. 205 indexed citations

15.

Miyakawa, Tsuyoshi, et al.. (1996). Radial maze performance, open-field and elevated plus-maze behaviors in Fyn-kinase deficient mice: Further evidence for increased fearfulness. Molecular Brain Research. 37(1-2). 145–150. 71 indexed citations

16.

Miyakawa, Tsuyoshi, Takeshi Yagi, Satoshi Watanabe, & Hiroaki Niki. (1994). Increased fearfulness of Fyn tyrosine kinase deficient mice. Molecular Brain Research. 27(1). 179–182. 71 indexed citations

17.

Sakagami, Masamichi & Hiroaki Niki. (1994). Spatial selectivity of go/no-go neurons in monkey prefrontal cortex. Experimental Brain Research. 100(1). 165–9. 37 indexed citations

18.

Cahusac, Peter, Edmund T. Rolls, Yasushi Miyashita, & Hiroaki Niki. (1993). Modification of the responses of hippocampal neurons in the monkey during the learning of a conditional spatial response task. Hippocampus. 3(1). 29–42. 66 indexed citations

19.

Niki, Ichiro, Katsuo Okazaki, M. Saitoh, et al.. (1993). Presence and Possible Involvement of Ca/Calmodulin-Dependent Protein Kinases in Insulin Release from the Rat Pancreatic βCell. Biochemical and Biophysical Research Communications. 191(1). 255–261. 69 indexed citations

20.

Niki, Hiroaki. (1962). [Effects of hippocampal ablation upon conditioned behavior in the rat].. PubMed. 19. 524–8. 1 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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