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Selective attention to phonology dynamically modulates initial encoding of auditory words within the left hemisphere.

Yoncheva Y, Maurer U, Zevin JD, McCandliss BD - Neuroimage (2014)

Bottom Line: Selective attention to phonology produced distinct early and late topographic ERP effects during stimulus encoding.Data-driven source localization analyses revealed that selective attention to phonology led to significantly greater recruitment of left-lateralized posterior and extensive temporal regions, which was notably concurrent with the rhyme-relevant information within the word.Furthermore, selective attention effects were specific to auditory stimulus encoding and not observed in response to cues, arguing against the notion that they reflect sustained task setting.

View Article: PubMed Central - PubMed

Affiliation: Department of Child and Adolescent Psychiatry, Child Study Center, New York University, USA.

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Related in: MedlinePlus

Selective attention to phonology modulates P2, N2, and CNV components. Top two panels show voltage maps (all 129 electrodes in a planar projection) of TANOVA-defined time-windows where significant (fdrp < 0.05) rhyme greater than tone task differences emerged. Bottom panel shows the topography of the effect of selective attention to phonology in these averaged time-windows.
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Figure 2: Selective attention to phonology modulates P2, N2, and CNV components. Top two panels show voltage maps (all 129 electrodes in a planar projection) of TANOVA-defined time-windows where significant (fdrp < 0.05) rhyme greater than tone task differences emerged. Bottom panel shows the topography of the effect of selective attention to phonology in these averaged time-windows.

Mentions: TANOVAs at each time point revealed that selective attention to pho nology produced robust effects in six distinct intervals: 248–298, 330–364, 496–542, 564–628, 694–732, and 804–836 ms (Fig. 1 top; Fig. 2).


Selective attention to phonology dynamically modulates initial encoding of auditory words within the left hemisphere.

Yoncheva Y, Maurer U, Zevin JD, McCandliss BD - Neuroimage (2014)

Selective attention to phonology modulates P2, N2, and CNV components. Top two panels show voltage maps (all 129 electrodes in a planar projection) of TANOVA-defined time-windows where significant (fdrp < 0.05) rhyme greater than tone task differences emerged. Bottom panel shows the topography of the effect of selective attention to phonology in these averaged time-windows.
© Copyright Policy - open-access
Related In: Results  -  Collection

License
Show All Figures
getmorefigures.php?uid=PMC4414015&req=5

Figure 2: Selective attention to phonology modulates P2, N2, and CNV components. Top two panels show voltage maps (all 129 electrodes in a planar projection) of TANOVA-defined time-windows where significant (fdrp < 0.05) rhyme greater than tone task differences emerged. Bottom panel shows the topography of the effect of selective attention to phonology in these averaged time-windows.
Mentions: TANOVAs at each time point revealed that selective attention to pho nology produced robust effects in six distinct intervals: 248–298, 330–364, 496–542, 564–628, 694–732, and 804–836 ms (Fig. 1 top; Fig. 2).

Bottom Line: Selective attention to phonology produced distinct early and late topographic ERP effects during stimulus encoding.Data-driven source localization analyses revealed that selective attention to phonology led to significantly greater recruitment of left-lateralized posterior and extensive temporal regions, which was notably concurrent with the rhyme-relevant information within the word.Furthermore, selective attention effects were specific to auditory stimulus encoding and not observed in response to cues, arguing against the notion that they reflect sustained task setting.

View Article: PubMed Central - PubMed

Affiliation: Department of Child and Adolescent Psychiatry, Child Study Center, New York University, USA.

Show MeSH
Related in: MedlinePlus