Once More With Feeling: The Effects Of Emotional Prosody On Hemispheric Specialisation For Linguistic Processing  

Oleh:

Grimshaw, Gina M. ; Seguin, Julie Anne ; Godfrey, Hazel K.

Jenis: Article from Journal - ilmiah internasional
Dalam koleksi: Journal of Neurolinguistics (Full Text) vol. 22 no. 4 (2009), page 313–326.
Topik: Hemispheric specialisation; Prosody; Emotion; Language; Speech perception
Fulltext: Once More With Feeling The Effects Of Emotional Prosody On Hemispheric Specialisation For Linguistic Processing.pdf (221.95KB)

Isi artikel

Speech perception requires a bilateral network of neural systems, with the left hemisphere specialised for linguistic processes including phonology, and the right hemisphere specialised for paralinguistic processes including emotional prosody. The present study used dichotic listening to determine how these two processing systems interact. Experiment 1 confirmed that the left hemisphere was specialised for the linguistic task, and the right hemisphere was specialised for the prosodic task. In Experiment 2, participants performed the linguistic task, but the words were spoken in prosodies that were neutral, happy, angry, or sad. Although the emotional prosody was irrelevant for the task, there was an attenuation of the typical right ear advantage when words were spoken with sad prosody, suggesting greater right hemisphere contributions to linguistic processing for sad speech. Similar effects were not observed with angry or happy prosody, suggesting that emotional prosody per se does not facilitate right hemisphere linguistic processing. Results are interpreted in terms of both psychoacoustic and emotion-specific theories of hemispheric specialisation.

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