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Titolo:
P300 AND HANDEDNESS - ON THE POSSIBLE CONTRIBUTION OF CORPUS CALLOSALSIZE TO ERPS
Autore:
POLICH J; HOFFMAN LD;
Indirizzi:
SCRIPPS CLIN & RES INST,DEPT NEUROPHARMACOL,TPC-10,10550 N TORREY PINES RD LA JOLLA CA 92037
Titolo Testata:
Psychophysiology
fascicolo: 5, volume: 35, anno: 1998,
pagine: 497 - 507
SICI:
0048-5772(1998)35:5<497:PAH-OT>2.0.ZU;2-R
Fonte:
ISI
Lingua:
ENG
Soggetto:
EVENT-RELATED POTENTIALS; HEMISPHERIC-DIFFERENCES; INTRACEREBRAL POTENTIALS; AUDITORY-STIMULI; VISUAL-STIMULI; RARE TARGET; SCALP TOPOGRAPHY; ALCOHOLIC MEN; ODDBALL TASK; HUMAN BRAIN;
Keywords:
EVENT-RELATED POTENTIALS; P300; HANDEDNESS; GENDER; TASK DIFFICULTY; CORPUS CALLOSUM;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Physical, Chemical & Earth Sciences
Science Citation Index Expanded
Science Citation Index Expanded
Citazioni:
94
Recensione:
Indirizzi per estratti:
Citazione:
J. Polich e L.D. Hoffman, "P300 AND HANDEDNESS - ON THE POSSIBLE CONTRIBUTION OF CORPUS CALLOSALSIZE TO ERPS", Psychophysiology, 35(5), 1998, pp. 497-507

Abstract

The P300 event-related potential (ERP) was elicited in left- and right-handed young adult male and female participants (n = 20/group) with both auditory and visual stimulus discrimination tasks that varied systematically in difficulty. P300 amplitude was larger across all task conditions for left- than for right-handed participants at anterior andcentral electrode sites. P300 latency was shorter across all task conditions for left- than for right-handers. Task difficulty did not affect the ERP handedness differences. Male and female subjects demonstrated comparable ERP handedness effects, although smaller P300 componentswere obtained for males than for females. When considered in the context of corpus callosal size differences for left- versus right-handed and male versus female participants, the findings suggest that the P300 reflects callosal size and interhemispheric transmission efficacy.

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Documento generato il 04/04/20 alle ore 09:10:06