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Schmid, R.G.* ; Tirsch, W.S. ; Reitmeir, P.

Correlation of developmental neurological findings with spectral analytical EEG evaluations in pre-school age children.

Electroencephalogr. Clin. Neurophysiol. 103, 516-527 (1997)
Verlagsversion Volltext DOI
Open Access Green möglich sobald Postprint bei der ZB eingereicht worden ist.
For the differentiation of developmental neurological disorders in pre-school age children, the relationship between automatically derived EEG parameters and developmental neurological findings was investigated. Within the scope of the Munich Pediatric Longitudinal Study, the sample sets of 4- and 5-year-old children (according to the frontal and parieto-occipital EEG derivations) with selected abnormal findings categorized by special items were compared with the corresponding control groups. This was carried out by means of one-sided t tests and relative frequency band-related as well as single-step spectral power parameters in the alpha range of the EEG. Automatic analysis using single-step power values was superior to that using band-related parameters. This led to the conclusion that use of age-specific single-step parameters for a quantitative EEG analysis and ignoring the classical frequency bands will yield statistically greatly improved results. For 4- and 5-year-old children, the best separation of the neurologically abnormal groups from the normal control groups was obtained using relative spectral values in the frequency range of 9.0-9.8 Hz with a maximum at 9.4 Hz. At the same time, the topographical conditions of brain immaturation should be taken into account. The results for the children examined in this study differ in a stronger distinction over the frontocentral brain region of 4- and 5-year-olds (P < 0.01) and through an additional distinction over the parietooccipital region of the 5-year-olds (P < 0.001). It still must be tested whether the spectral parameter at 9.4 Hz is age-specific for 4- and 5-year-old children or whether in other age groups different spectral parameters are of use. As an examiner-independent method, the automatic EEG analysis should become an integral component of developmental neurological diagnostics.
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Publikationstyp Artikel: Journalartikel
Dokumenttyp Wissenschaftlicher Artikel
Schlagwörter developmental neurological diagnostics; quantitative EEG analysis; spectral parameters; pre-school age; POWER SPECTRA; ATTENTION-DEFICIT; PARAMETERS; COHERENCE
ISSN (print) / ISBN 0013-4694
e-ISSN 1872-6380
Zeitschrift Electroencephalography and Clinical Neurophysiology
Quellenangaben Band: 103, Heft: 5, Seiten: 516-527 Artikelnummer: , Supplement: ,
Verlag Elsevier
Begutachtungsstatus