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Article

Trajectory of post-COVID brain fog, memory loss, and concentration loss in previously hospitalized COVID-19 survivors: the LONG-COVID-EXP multicenter study

Publicated to:Frontiers In Human Neuroscience. 17 1259660- - 2023-11-09 17(), DOI: 10.3389/fnhum.2023.1259660

Authors: Fernandez-de-las-Penas, Cesar; Cancela-Cilleruelo, Ignacio; Rodriguez-Jimenez, Jorge; Arias-Navalon, Jose A; Martin-Guerrero, Jose D; Pellicer-Valero, Oscar J; Arendt-Nielsen, Lars; Cigaran-Mendez, Margarita

Affiliations

Aalborg Univ Hosp, Clin Inst, Dept Gastroenterol & Hepatol, Mech Sense, Aalborg, Denmark - Author
Aalborg Univ Hosp, Clin Inst, Steno Diabet Ctr North Denmark, Aalborg, Denmark - Author
Aalborg Univ, Ctr Neuroplast & Pain, Sch Med, Dept Hlth Sci & Technol, Aalborg, Denmark - Author
Aalborg Universitetshospital - Author
Aalborg University - Author
Aalborg University , Aalborg Universitetshospital - Author
Aalborg University , Universidad Rey Juan Carlos - Author
Univ CEU San Pablo, Sch Med, Madrid, Spain - Author
Univ Rey Juan Carlos URJC, Dept Phys Therapy Occupat Therapy Phys Med & Rehab, Madrid, Spain - Author
Univ Rey Juan Carlos URJC, Dept Psychol, Madrid, Spain - Author
Univ Valencia UV, ETSE Engn Sch, Dept Elect Engn, Intelligent Data Anal Lab, Valencia, Spain - Author
Univ Valencia, Image Proc Lab IPL, Parc Cient, Valencia, Spain - Author
Universidad CEU San Pablo - Author
Universidad Rey Juan Carlos - Author
Universitat de València - Author
Universitat de València , valgrAI: Valencian Graduate School and Research Network of Artificial Intelligence - Author
Valencian Grad Sch & Res Network Artificial Intell, Valencia, Spain - Author
valgrAI: Valencian Graduate School and Research Network of Artificial Intelligence - Author
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Abstract

Keywords
brain fogconcentrationmemory losssankey plotsBrain fogConcentrationCovid-19Memory lossSankey plotsSequelae

Quality index

Bibliometric impact. Analysis of the contribution and dissemination channel

The work has been published in the journal Frontiers In Human Neuroscience due to its progression and the good impact it has achieved in recent years, according to the agency WoS (JCR), it has become a reference in its field. In the year of publication of the work, 2023, it was in position 36/92, thus managing to position itself as a Q2 (Segundo Cuartil), in the category Psychology. Notably, the journal is positioned en el Cuartil Q2 para la agencia Scopus (SJR) en la categoría Neuropsychology and Physiological Psychology.

From a relative perspective, and based on the normalized impact indicator calculated from the Field Citation Ratio (FCR) of the Dimensions source, it yields a value of: 10.32, which indicates that, compared to works in the same discipline and in the same year of publication, it ranks as a work cited above average. (source consulted: Dimensions May 2025)

Specifically, and according to different indexing agencies, this work has accumulated citations as of 2025-05-17, the following number of citations:

  • WoS: 7
  • Scopus: 9
  • Europe PMC: 1
  • OpenCitations: 10
Impact and social visibility

From the perspective of influence or social adoption, and based on metrics associated with mentions and interactions provided by agencies specializing in calculating the so-called "Alternative or Social Metrics," we can highlight as of 2025-05-17:

  • The use, from an academic perspective evidenced by the Altmetric agency indicator referring to aggregations made by the personal bibliographic manager Mendeley, gives us a total of: 31.
  • The use of this contribution in bookmarks, code forks, additions to favorite lists for recurrent reading, as well as general views, indicates that someone is using the publication as a basis for their current work. This may be a notable indicator of future more formal and academic citations. This claim is supported by the result of the "Capture" indicator, which yields a total of: 32 (PlumX).

With a more dissemination-oriented intent and targeting more general audiences, we can observe other more global scores such as:

  • The Total Score from Altmetric: 11.95.
  • The number of mentions on the social network X (formerly Twitter): 17 (Altmetric).

It is essential to present evidence supporting full alignment with institutional principles and guidelines on Open Science and the Conservation and Dissemination of Intellectual Heritage. A clear example of this is:

  • The work has been submitted to a journal whose editorial policy allows open Open Access publication.
Leadership analysis of institutional authors

This work has been carried out with international collaboration, specifically with researchers from: Denmark.

There is a significant leadership presence as some of the institution’s authors appear as the first or last signer, detailed as follows: First Author (ARIAS NAVALON, JOSE ANTONIO) .