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Quantitative and qualitative differences in performance within the semantic and letter fluency tasks
Na: 12th Annual Meeting of the Society for the Neurobiology of Language. Online, Sjedinjene Američke Države, 2020. https://doi.org/10.17605/osf.io/te52u
Gabrić, Petar; Vandek, Mija

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Verbal fluency and working memory interaction | Izlaganje na skupu
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Gabrić, P. i Vandek, M. Quantitative and qualitative differences in performance within the semantic and letter fluency tasks [PowerPoint prezentacija]. Preuzeto s https://urn.nsk.hr/urn:nbn:hr:131:014455

Gabrić, Petar i Mija Vandek. "Quantitative and qualitative differences in performance within the semantic and letter fluency tasks." 12th Annual Meeting of the Society for the Neurobiology of Language, 21.10.2020.-24.10.2020., Online, Sjedinjene Američke Države. Prezentacija. https://urn.nsk.hr/urn:nbn:hr:131:014455

Gabrić, Petar i Mija Vandek. "Quantitative and qualitative differences in performance within the semantic and letter fluency tasks." Prezentacija sa skupa 12th Annual Meeting of the Society for the Neurobiology of Language, Online, Sjedinjene Američke Države, 21.10.2020.-24.10.2020. https://urn.nsk.hr/urn:nbn:hr:131:014455

Gabrić, P. i Vandek, M. 'Quantitative and qualitative differences in performance within the semantic and letter fluency tasks' [Prezentacija], 12th Annual Meeting of the Society for the Neurobiology of Language. 21.10.2020.-24.10.2020. Preuzeto s: https://urn.nsk.hr/urn:nbn:hr:131:014455

Gabrić P, Vandek M. Quantitative and qualitative differences in performance within the semantic and letter fluency tasks. [Prezentacija] [pristupljeno 10.03.2025.] Dostupno na: https://urn.nsk.hr/urn:nbn:hr:131:014455

P. Gabrić i M. Vandek, "Quantitative and qualitative differences in performance within the semantic and letter fluency tasks", prezentirano na: 12th Annual Meeting of the Society for the Neurobiology of Language, Online, 21.10.2020.-24.10.2020. Dostupno na: https://urn.nsk.hr/urn:nbn:hr:131:014455

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Podaci o radu
Naslov (engleski)Quantitative and qualitative differences in performance within the semantic and letter fluency tasks
AutorPetar Gabrić https://orcid.org/0000-0003-2644-194X
AutorMija Vandek
Autorova ustanovaSveučilište u Zagrebu
Filozofski fakultet
(Odsjek za germanistiku)
Autorova ustanovaSveučilište u Zagrebu
Filozofski fakultet
(Odsjek za komparativnu književnost)
Autorova ustanovaSveučilište u Zagrebu
Filozofski fakultet
(Odsjek za lingvistiku)
Znanstveno / umjetničko
područje, polje i grana		HUMANISTIČKE ZNANOSTI
Filologija
Opće jezikoslovlje (lingvistika)
Znanstveno / umjetničko
područje, polje i grana		DRUŠTVENE ZNANOSTI
Psihologija
Znanstveno / umjetničko
područje, polje i grana		INTERDISCIPLINARNA PODRUČJA ZNANOSTI
Kognitivna znanost (prirodne, tehničke, biomedicina i zdravstvo, društvene i humanističke znanosti)
Sažetak (engleski)
INTRODUCTION: Traditionally, verbal fluency research has differentiated between semantic (SF) and letter fluency (LF). However, although linguistic research has strongly suggested that there are pronounced differences in the processing of different types of semantic categories, most researchers in this domain have uncritically assumed that there are no category-specific effects in verbal fluency. Limited research on SF has thus far revealed that disproportionate performances across different... Više categories are in certain contexts associated with category size, while clinical populations might show normative deficits in one category, but not the other. Nevertheless, this issue remains poorly investigated, particularly in LF. METHODS: We recruited 16 Croatian-speaking students from the University of Zagreb. For verbal fluency, we administered the categories animals and trees (SF), and the letters K and M (LF) (60 s). Participants further performed on a neuropsychological battery encompassing the Trail Making Test (TMT), Wisconsin Card Sorting Test (WCST), digit span, and lexical decision (LD). Paired-sample t-tests, and Spearman correlation coefficients and regression analyses were used for statistical analyses. RESULTS: On the animal compared to the tree task participants produced more words, had lower intrusion rates, produced larger clusters, and were faster in inter-cluster transitions. Furthermore, while the total production of animals was positively predicted by the number of clusters, in trees it was positively predicted by cluster size. A negative relationship between performance on TMT and speed of inter-cluster transitions was found in trees, and a positive relationship between performance on WCST and the same fluency variable in animals. Higher digit span was associated with lower clustering rates in animals, but with higher clustering rates in trees, while accuracy on abstract LD trials was positively associated with total production on trees. Analyses of LF revealed that participants produced more words and were faster in inter-cluster transitions on the K compared to the M task. Total production in K was predicted by cluster size, but in M it was predicted by switching. Accuracy on TMT negatively predicted total production and the number of clusters for M. Also, performance on WCST was positively associated with clustering rates and inter-cluster transition speed on M. CONCLUSIONS: Our results indicate that there are important differences in the phenomena and processes underlying performance on different SF and LF tasks. While the differences in the two SF tasks might be partly explained by presumed differences in category size, higher rates of intrusions in the tree task suggest that the boundaries of the category trees are less fixed compared to the category animals. Additionally, disproportionate relationships with neuropsychological variables suggest that clustering in trees might rely more on working memory and abstract semantic processes. Regarding LF, we found that performance on K relies more on clustering compared to M, while the neuropsychological data suggested that performance on the M task was inversely associated with visual attention, possibly suggesting that visuospatial imagery strategies might hinder optimal performance. Also, data suggest that clustering on the M, but not the K task is an executively relatively demanding process. Sakrij dio sažetka
Ključne riječi (engleski)
Jezikengleski
Vrsta recenzijeNije recenziran
DOIhttps://doi.org/10.17605/osf.io/te52u
URN:NBNurn:nbn:hr:131:014455
Datum izlaganja2020-10-23
ProjektŠifra: 11-831-1006
Naziv (hrvatski): Leksičko-semantička obrada kod pacijenata s prvom epizodom shizofrenije
Naziv (hrvatski): Lexical-semantic processing in first-episode schizophrenia
Pravna nadležnost: Hrvatska
Financijer: FFZG
SkupNaziv: 12th Annual Meeting of the Society for the Neurobiology of Language
Kratica: SNL 2020
Lokacija: Online, Sjedinjene Američke Države
Organizator: Society for the Neurobiology of Language
Datum početka: 2020-10-21
Datum završetka: 2020-10-24
Vrsta izlaganja: Postersko izlaganje
URL dokumentahttps://osf.io/te52u
Vrsta resursaTekst
Prava pristupaOtvoreni pristup
Uvjeti korištenjaIkona licence Imenovanje-Nekomercijalno-Bez prerada 4.0 međunarodna (CC BY-NC-ND 4.0)
Datum i vrijeme pohrane2020-10-13 10:41:55
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