Trials and tribulations when attempting to decode semantic representations from MEG responses to written text

Gayane Ghazaryan*, Marijn van Vliet, Aino Saranpää, Lotta Lammi, Tiina Lindh-Knuutila, Annika Hultén, Sasa Kivisaari, Riitta Salmelin

*Tämän työn vastaava kirjoittaja

Tutkimustuotos: LehtiartikkeliArticleScientificvertaisarvioitu

4 Sitaatiot (Scopus)
55 Lataukset (Pure)

Abstrakti

Several studies have been published which show that it is possible to decode semantic representations directly from brain responses. This has been repeatedly successful when the stimuli used were pictures of objects. However, there is a distinct scarcity of studies decoding responses to orthographic stimuli, particularly those employing time-sensitive imaging methods. We use examples from our own research to highlight the challenges we have faced when attempting to decode semantic representations from MEG responses to written words. We discuss differences in brain responses to pictures and orthographic stimuli to determine the characteristics of the brain responses that allow for successful decoding of semantics. We suspect the limited number of published studies on this topic indicates that these challenges are not unique to our experience. By bringing attention to these issues, we hope to stimulate a new wave of discussion leading to eventual progress.
AlkuperäiskieliEnglanti
Artikkeli3273798.2023.2219353
Sivumäärä12
JulkaisuLanguage, Cognition and Neuroscience
Varhainen verkossa julkaisun päivämäärä2023
DOI - pysyväislinkit
TilaJulkaistu - 14 kesäk. 2023
OKM-julkaisutyyppiA1 Alkuperäisartikkeli tieteellisessä aikakauslehdessä

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