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Titolo: AUDITORY-EVOKED POTENTIALS IN DOWNS-SYNDROME
Autore: DIAZ F; ZURRON M;
- Indirizzi:
- UNIV SANTIAGO DE COMPOSTELA,FAC PSICOL,DEPT PSICOL CLIN & PSICOBIOL,PSICOBIOL LAB,CAMPUS UNIV E-15705 SANTIAGO SPAIN
- Titolo Testata:
- Electroencephalography and clinical neurophysiology. Evoked potentials
fascicolo: 6,
volume: 96,
anno: 1995,
pagine: 526 - 537
- SICI:
- 0168-5597(1995)96:6<526:APID>2.0.ZU;2-O
- Fonte:
- ISI
- Lingua:
- ENG
- Soggetto:
- BRAIN-STEM RESPONSES; EVENT-RELATED POTENTIALS; SYNDROME INDIVIDUALS; ALZHEIMERS-DISEASE; YOUNG-ADULTS; P300; COMPONENT; CHILDREN; INFANTS; STIMULI;
- Keywords:
- SHORT-LATENCY AUDITORY EVOKED POTENTIALS (SAEP, BAEP); MIDDLE-LATENCY AUDITORY EVOKED POTENTIALS (MAEP); LONG-LATENCY AUDITORY EVOKED POTENTIALS (LAEP); DOWNS SYNDROME;
- Tipo documento:
- Article
- Natura:
- Periodico
- Settore Disciplinare:
- Science Citation Index Expanded
- Citazioni:
- 60
- Recensione:
- Indirizzi per estratti:
-
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- Citazione:
- F. Diaz e M. Zurron, "AUDITORY-EVOKED POTENTIALS IN DOWNS-SYNDROME", Electroencephalography and clinical neurophysiology. Evoked potentials, 96(6), 1995, pp. 526-537
Abstract
Short-, middle- and long-latency auditory evoked potentials (SAEPs, MAEPs and LAEPs) were examined in 12 subjects with Down's syndrome and in 12 age-matched normal subjects. In comparison with the normal subjects, Down subjects showed shorter latencies for SAEP peaks II, III, IVand V (and correspondingly shorter interpeak intervals I-II and I-III) so long as stimulus intensity was at least 45 dB SL. The MAEP peak Na had a longer latency in Down subjects than in normal subjects, but not the Pa latency. In passive oddball experiments for LAEPs, the latencies of all components from N1 to P3 were progressively longer in Downsubjects, and the N2-P3 amplitude increased slightly between the first and fourth blocks of stimuli (whereas in the normal subjects it decreased). These alterations in auditory evoked potentials, which may correlate with cerebral alterations in organization and responsiveness responsible for deficient information processing, may constitute an electrophysiological pattern that is characteristic of Down's syndrome.
ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 27/01/21 alle ore 01:31:12