Auditory and visual evoked potentials of schoolboys with spelling disabilities / Roger BYRING in Developmental Medicine & Child Neurology, 27-2 (April 1985)

Public ISBD [article]  inDevelopmental Medicine & Child Neurology > 27-2 (April 1985) . - p.141-148 Titre : Auditory and visual evoked potentials of schoolboys with spelling disabilities Type de document : Texte imprimé et/ou numérique Auteurs : Roger BYRING, Auteur ; Timo JARVILEHTO, Auteur Année de publication : 1985 Article en page(s) : p.141-148 Langues : Anglais (eng) Index. décimale : PER Périodiques Résumé : EEG evoked potentials were studied in 23 young adolescent poor spellers and 21 controls. Findings typical of poor spellers were long auditory evoked potential (AEP) latencies and low amplitudes of early AEP deflections. A high frequency of spelling errors concerning the word as a whole was associated with low AEP P50 and P300 amplitudes. Poor reading was associated with high AEP sustained potential amplitudes and a long AEP P185 latency. Generally, poor spellers seem to have problems with the early filtering processes of of attention, whereas spelling errors concerning the word as a whole seem to be associated with problems of late attentional processes. The abnormal findings in the poor spellers are interpreted in terms of a brain maturational delay that presents as an attentional disorder. Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=587 [article] Auditory and visual evoked potentials of schoolboys with spelling disabilities [Texte imprimé et/ou numérique] / Roger BYRING, Auteur ; Timo JARVILEHTO, Auteur . - 1985 . - p.141-148. Langues : Anglais (eng) in Developmental Medicine & Child Neurology > 27-2 (April 1985) . - p.141-148 Index. décimale : PER Périodiques Résumé : EEG evoked potentials were studied in 23 young adolescent poor spellers and 21 controls. Findings typical of poor spellers were long auditory evoked potential (AEP) latencies and low amplitudes of early AEP deflections. A high frequency of spelling errors concerning the word as a whole was associated with low AEP P50 and P300 amplitudes. Poor reading was associated with high AEP sustained potential amplitudes and a long AEP P185 latency. Generally, poor spellers seem to have problems with the early filtering processes of of attention, whereas spelling errors concerning the word as a whole seem to be associated with problems of late attentional processes. The abnormal findings in the poor spellers are interpreted in terms of a brain maturational delay that presents as an attentional disorder. Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=587

Neurological and neuropsychological deficiencies in a group of older adolescents with dyslexia / Roger BYRING in Developmental Medicine & Child Neurology, 26-6 (December 1994)

Public ISBD [article]  inDevelopmental Medicine & Child Neurology > 26-6 (December 1994) . - p.765-773 Titre : Neurological and neuropsychological deficiencies in a group of older adolescents with dyslexia Type de document : Texte imprimé et/ou numérique Auteurs : Roger BYRING, Auteur ; Veijo PULLIAINEN, Auteur Année de publication : 1984 Article en page(s) : p.765-773 Langues : Anglais (eng) Index. décimale : PER Périodiques Résumé : A group of 34 male adolescents with poor results on a spelling test and 34 controls were examined neurologically and neuropsychologically. The index group was inferior to the controls mainly in tasks involving fine motor control of the left hand, but also in auditory non-verbal sequential information processing and phoneme manipulation tasks. The manual sequencing disorder and the verbal and non-verbal auditory problems could be interpreted in terms of deficient information-processing in the left hemisphere, but the reason for the psychomotor disorder of co-ordination, mainly in the left hand, remains unclear. Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=584 [article] Neurological and neuropsychological deficiencies in a group of older adolescents with dyslexia [Texte imprimé et/ou numérique] / Roger BYRING, Auteur ; Veijo PULLIAINEN, Auteur . - 1984 . - p.765-773. Langues : Anglais (eng) in Developmental Medicine & Child Neurology > 26-6 (December 1994) . - p.765-773 Index. décimale : PER Périodiques Résumé : A group of 34 male adolescents with poor results on a spelling test and 34 controls were examined neurologically and neuropsychologically. The index group was inferior to the controls mainly in tasks involving fine motor control of the left hand, but also in auditory non-verbal sequential information processing and phoneme manipulation tasks. The manual sequencing disorder and the verbal and non-verbal auditory problems could be interpreted in terms of deficient information-processing in the left hemisphere, but the reason for the psychomotor disorder of co-ordination, mainly in the left hand, remains unclear. Permalink : https://www.cra-rhone-alpes.org/cid/opac_css/index.php?lvl=notice_display&id=584

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