Comparison of mapping quantitative theta encephalograms during directed and required visual-verbal activity and passive period in children with different disorders of speech-language functioning
Aim of the research was to examine similarities and differences between the periods of experiencing visually stimulated directed speech-language information and periods of undirected attention. The examined group comprised N = 64 children, aged 4-5, with different speech-language disorders (developm...
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Veröffentlicht in: | Experimental brain research 2009-06, Vol.195 (4), p.569-574 |
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Format: | Artikel |
Sprache: | eng |
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Zusammenfassung: | Aim of the research was to examine similarities and differences between the periods of experiencing visually stimulated directed speech-language information and periods of undirected attention. The examined group comprised N = 64 children, aged 4-5, with different speech-language disorders (developmental dysphasia, hyperactive syndrome with attention disorder, children with borderline intellectual abilities, autistic complex). Theta EEG was registered in children in the period of watching and describing the picture (“task”), and in the period of undirected attention (“passive period”). The children were recorded in standard EEG conditions, at 19 points of EEG registration and in longitudinal bipolar montage. Results in the observed age-operative theta rhythm indicated significant similarities and differences in the prevalence of spatial engagement of certain regions between the two hemispheres at the input and output of processing, which opens the possibility for more detailed analysis of conscious control of speech-language processing and its disorders. |
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ISSN: | 0014-4819 1432-1106 |
DOI: | 10.1007/s00221-009-1826-1 |