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Titolo:
AGE-RELATED-CHANGES IN SCALP TOPOGRAPHY TO NOVEL AND TARGET STIMULI
Autore:
FRIEDMAN D; SIMPSON G; HAMBERGER M;
Indirizzi:
NEW YORK STATE PSYCHIAT INST & HOSP,BOX 58,722 W 168TH ST NEW YORK NY10032 YESHIVA UNIV ALBERT EINSTEIN COLL MED BRONX NY 10461
Titolo Testata:
Psychophysiology
fascicolo: 4, volume: 30, anno: 1993,
pagine: 383 - 396
SICI:
0048-5772(1993)30:4<383:AISTTN>2.0.ZU;2-X
Fonte:
ISI
Lingua:
ENG
Soggetto:
EVENT-RELATED POTENTIALS; PREFRONTAL LESIONS; SOURCE AMNESIA; P3 COMPONENT; PERFORMANCE; DEPRESSION; VARIANCE; DISEASE; ADULTS;
Keywords:
AGING; NOVELTY P3; TARGET P3; SCALP DISTRIBUTION; CURRENT SOURCE DENSITY ANALYSIS;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Social Sciences Citation Index
Science Citation Index Expanded
Science Citation Index Expanded
Citazioni:
54
Recensione:
Indirizzi per estratti:
Citazione:
D. Friedman et al., "AGE-RELATED-CHANGES IN SCALP TOPOGRAPHY TO NOVEL AND TARGET STIMULI", Psychophysiology, 30(4), 1993, pp. 383-396

Abstract

Event-related brain potentials (ERPs) were recorded from young, middle-aged, and older adults to infrequent target and novel stimuli duringa version of the oddball paradigm. Analyses of scalp distribution suggested that the shift to a more frontally oriented topography with increasing age was confined to the P3 component (as compared to N1 and P2) elicited by both target and novel stimuli. This first demonstration of an age-related shift in the scalp distribution of the novelty P3 elicited by auditory stimuli was associated with an age-related increasein the false-alarm rate to novel stimuli. These age-associated differences in scalp distribution and false-alarm rate are consistent with achange in frontal lobe activity with increasing age.

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Documento generato il 15/07/20 alle ore 08:15:49