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Titolo:
Reduced mismatch negativity (MMN) suggests deficits in preattentive auditory processing in distractible children
Autore:
Kilpelainen, R; Partanen, J; Karhu, J;
Indirizzi:
Kuopio Univ Hosp, Dept Clin Neurophysiol, Kuopio 70211, Finland Kuopio Univ Hosp Kuopio Finland 70211 europhysiol, Kuopio 70211, Finland
Titolo Testata:
NEUROREPORT
fascicolo: 16, volume: 10, anno: 1999,
pagine: 3341 - 3345
SICI:
0959-4965(19991108)10:16<3341:RMN(SD>2.0.ZU;2-B
Fonte:
ISI
Lingua:
ENG
Soggetto:
EVENT-RELATED POTENTIALS; SELECTIVE ATTENTION; SENSORY MEMORY; GENERATORS; STIMULI; CORTEX; BRAIN;
Keywords:
auditory sensory memory; children; distractibility; event-related potential (ERP); mismatch negativity (MMN);
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Life Sciences
Citazioni:
16
Recensione:
Indirizzi per estratti:
Indirizzo: Kilpelainen, R Kuopio Univ Hosp, Dept Clin Neurophysiol, POB 1777, Kuopio 70211, Finland Kuopio Univ Hosp POB 1777 Kuopio Finland 70211 11, Finland
Citazione:
R. Kilpelainen et al., "Reduced mismatch negativity (MMN) suggests deficits in preattentive auditory processing in distractible children", NEUROREPORT, 10(16), 1999, pp. 3341-3345

Abstract

MISMATCH negativity (MMN) event-related brain potential reflects the:brain's automatic auditory change detection mechanism that depends on integrity of the auditory sensory memory. We studied MMN in easily distractible (n = 20) and in non-distractible (n = 20) healthy 9-year-old children. Two MMN phases were revealed in both groups: an earlier MMN peak at similar to 220 ms and a later negative slope similar to 300-500 ms after stimulus presentation. The results suggested a strong frontal lobe contribution in the generation of the later MMN phase, and this response was significantly reduced inamplitude in the distractible children. The present findings suggest that distractible children may have deficits in the frontally mediated aspects of auditory sensory memory. NeuroReport 10:3341-3345 (C) 1999 Lippincott Williams & Wilkins.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 04/07/20 alle ore 14:54:44