Attention and Semantic Processing during Speech: An fMRI Study

Autor/inn/en	Rama, Pia; Relander-Syrjanen, Kristiina; Carlson, Synnove; Salonen, Oili; Kujala, Teija
Titel	Attention and Semantic Processing during Speech: An fMRI Study
Quelle	In: Brain and Language, 122 (2012) 2, S.114-119 (6 Seiten) PDF als Volltext Verfügbarkeit
Sprache	englisch
Dokumenttyp	gedruckt; online; Zeitschriftenaufsatz
ISSN	0093-934X
DOI	10.1016/j.bandl.2012.04.018
Schlagwörter	Phonemes; Semantics; Attention; Language Processing; Brain Hemisphere Functions; Diagnostic Tests; Speech; Task Analysis; Visual Stimuli; Definitions; Vocabulary; Auditory Stimuli + Suchen Sie Ihr Suchwort? Fonem; Semantik; Aufmerksamkeit; Sprachverarbeitung; Diagnostic test; Diagnostischer Test; Speaking; Sprechen; Aufgabenanalyse; Begriffsbestimmung; Wortschatz; Auditive Stimulation
Abstract	This fMRI study was conducted to investigate whether language semantics is processed even when attention is not explicitly directed to word meanings. In the "unattended" condition, the subjects performed a visual detection task while hearing semantically related and unrelated word pairs. In the "phoneme" condition, the subjects made phoneme judgements between prime and target words, and in the "word" condition, they indicated whether the words in each word pair were semantically related or unrelated. In the word condition, stronger activity was obtained for unrelated than related words in the superior temporal gyrus/sulcus (STG/STS), lingual/fusiform gyri and cuneus, whereas in the phoneme condition no such effect was observed. However, during the unattended condition, stronger activity was found in the right STG. Our results suggest that both semantic judgement of word pairs and their passive hearing activate the same neural networks but this activation is more restricted in the passive hearing. (Contains 1 figure and 2 tables.) (As Provided).
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Erfasst von	ERIC (Education Resources Information Center), Washington, DC
Update	2017/4/10