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Titolo:
TEMPORAL PROMINENCE OF AUDITORY-EVOKED POTENTIALS (N1 WAVE) IN 4-8-YEAR-OLD CHILDREN
Autore:
BRUNEAU N; ROUX S; GUERIN P; BARTHELEMY C; LELORD G;
Indirizzi:
CHU BRETONNEAU,INSERM,DEPT DEV NEUROPHYSIOL & PSYCHOPATHOL,UNITE 316,2 BD TONNELLE F-37044 TOURS FRANCE
Titolo Testata:
Psychophysiology
fascicolo: 1, volume: 34, anno: 1997,
pagine: 32 - 38
SICI:
0048-5772(1997)34:1<32:TPOAP(>2.0.ZU;2-8
Fonte:
ISI
Lingua:
ENG
Soggetto:
EVENT-RELATED POTENTIALS; COGNITIVE-DEVELOPMENT; SCALP; COMPONENTS; CORTEX; BRAIN; AGE; GENERATORS; CHILDHOOD; RESPONSES;
Keywords:
CHILDREN; AUDITORY EVOKED RESPONSES; N1; INTENSITY EFFECT;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Physical, Chemical & Earth Sciences
Science Citation Index Expanded
Science Citation Index Expanded
Citazioni:
49
Recensione:
Indirizzi per estratti:
Citazione:
N. Bruneau et al., "TEMPORAL PROMINENCE OF AUDITORY-EVOKED POTENTIALS (N1 WAVE) IN 4-8-YEAR-OLD CHILDREN", Psychophysiology, 34(1), 1997, pp. 32-38

Abstract

Cortical auditory evoked potentials (N1 wave) were studied in 24 adults (12 men, 12 women) and 20 children (12 boys, 8 girls; age: 4-8 years). In adults, this wave was recorded with maximal amplitude at frontocentral sites, peaking at about 100 ms poststimulation, whereas in children the auditory response displayed maximal amplitude at the midtemporal sites, with a positive wave at about 100 ms and a large negative wave at approximately 170 ms. Moreover, the modulatory effects of intensity on N1 amplitude were prominent at frontocentral sites in adults and at temporal sites in children. Frontocentral negative response wasalso recorded in children but was smaller in amplitude and longer in peak latency (around 140 ms) than in adults; responses were of greateramplitude at the frontal site than at the vertex before 6 years of age, whereas the reverse was more often found after this age. These datasuggest great differences with age in the neural generators contributing to auditory evoked potentials recorded in the N1 latency range.

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Documento generato il 25/01/20 alle ore 19:35:38