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. 2023 Jun 22:17:1221316.
doi: 10.3389/fnins.2023.1221316. eCollection 2023.

A bibliometric profile of optogenetics: quantitative and qualitative analyses

Zhonghan Zhou  1   2   3   4   5 , Xuesheng Wang  2   3   4   5   6 , Xunhua Li  2   3   4   5   6 , Limin Liao  2   3   4   5   6
Affiliations

A bibliometric profile of optogenetics: quantitative and qualitative analyses

Zhonghan Zhou et al. Front Neurosci. .

Erratum in

Abstract

Introduction: Optogenetics is a rapidly developing field combining optics and genetics, with promising applications in neuroscience and beyond. However, there is currently a lack of bibliometric analyses examining publications in this area.

Method: Publications on optogenetics were gathered from the Web of Science Core Collection Database. A quantitative analysis was conducted to gain insights into the annual scientific output, and distribution of authors, journals, subject categories, countries, and institutions. Additionally, qualitative analysis, such as co-occurrence network analysis, thematic analysis, and theme evolution, were performed to identify the main areas and trends of optogenetics articles.

Results: A total of 6,824 publications were included for analysis. The number of articles has rapidly grown since 2010, with an annual growth rate of 52.82%. Deisseroth K, Boyden ES, and Hegemann P were the most prolific contributors to the field. The United States contributed the most articles (3,051 articles), followed by China (623 articles). A majority of optogenetics-related articles are published in high-quality journals, including NATURE, SCIENCE, and CELL. These articles mainly belong to four subjects: neurosciences, biochemistry and molecular biology, neuroimaging, and materials science. Co-occurrence keyword network analysis identified three clusters: optogenetic components and techniques, optogenetics and neural circuitry, optogenetics and disease.

Conclusion: The results suggest that optogenetics research is flourishing, focusing on optogenetic techniques and their applications in neural circuitry exploration and disease intervention. Optogenetics is expected to remain a hot topic in various fields in the future.

Keywords: bibliometrics; hot topic; optogenetics; qualitative analysis; quantitative analysis.

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Conflict of interest statement

The authors declare that the research was conducted in the absence of any commercial or financial relationships that could be construed as a potential conflict of interest.

Figures

Figure 1
Figure 1
Flow chart of the bibliometric search on optogenetics.
Figure 2
Figure 2
Annual scientific production from 2002 to 2022.
Figure 3
Figure 3
Distribution of authors in the field of optogenetics. (A) The top 20 most productive authors. (B) Map of the collaboration network analysis of the authors. (C) Publications of the top 20 authors over time.
Figure 4
Figure 4
Distribution of journals and subject categories in the field of optogenetics. (A) The top 20 most relevant sources. (B) Publications of the top 5 sources over time. (C) Co-citation network of journals. (D) Co-occurrence network of subject categories.
Figure 5
Figure 5
Distribution of countries and institutions in the field of optogenetics. (A) The top 20 most productive countries divided by single country publications (SCPs) and multiple country publications (MCPs). (B) Map of national collaborations. (C) The top 20 most influential countries ranked by average article citations. (D) Map of the collaboration network analysis of the countries. (E) The top 20 most productive institutions. (F) Map of the collaboration network analysis of the institutions.
Figure 6
Figure 6
Most cited documents and co-occurring keywords in the field of optogenetics. (A) Map of the clustered co-occurrence network analysis based on the author’s keywords. (B) Thematic map analysis of author’s keywords. (C) Production of the keywords over time.
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