Brain-behavior relationships in incidental learning of non-native phonetic categories.
Implicit learning
Inferior frontal gyrus
Non-native phonetic perception
Journal
Brain and language
ISSN: 1090-2155
Titre abrégé: Brain Lang
Pays: Netherlands
ID NLM: 7506220
Informations de publication
Date de publication:
11 2019
11 2019
Historique:
received:
14
02
2019
revised:
29
08
2019
accepted:
01
09
2019
pubmed:
16
9
2019
medline:
4
3
2020
entrez:
16
9
2019
Statut:
ppublish
Résumé
Research has implicated the left inferior frontal gyrus (LIFG) in mapping acoustic-phonetic input to sound category representations, both in native speech perception and non-native phonetic category learning. At issue is whether this sensitivity reflects access to phonetic category information per se or to explicit category labels, the latter often being required by experimental procedures. The current study employed an incidental learning paradigm designed to increase sensitivity to a difficult non-native phonetic contrast without inducing explicit awareness of the categorical nature of the stimuli. Functional MRI scans revealed frontal sensitivity to phonetic category structure both before and after learning. Additionally, individuals who succeeded most on the learning task showed the largest increases in frontal recruitment after learning. Overall, results suggest that processing novel phonetic category information entails a reliance on frontal brain regions, even in the absence of explicit category labels.
Identifiants
pubmed: 31522094
pii: S0093-934X(19)30050-1
doi: 10.1016/j.bandl.2019.104692
pmc: PMC6773471
mid: NIHMS1539854
pii:
doi:
Types de publication
Journal Article
Research Support, N.I.H., Extramural
Langues
eng
Sous-ensembles de citation
IM
Pagination
104692Subventions
Organisme : NIDCD NIH HHS
ID : R01 DC006220
Pays : United States
Organisme : NIDCD NIH HHS
ID : R01 DC013064
Pays : United States
Informations de copyright
Copyright © 2019 Elsevier Inc. All rights reserved.
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