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Titolo:
A left hemisphere, but not right hemispace, advantage for tactual simultaneity judgments
Autore:
Nicholls, MER; Lindell, AK;
Indirizzi:
Univ Melbourne, Dept Psychol, Parkville, Vic 3052, Australia Univ Melbourne Parkville Vic Australia 3052 arkville, Vic 3052, Australia
Titolo Testata:
PERCEPTION & PSYCHOPHYSICS
fascicolo: 4, volume: 62, anno: 2000,
pagine: 717 - 725
SICI:
0031-5117(200005)62:4<717:ALHBNR>2.0.ZU;2-7
Fonte:
ISI
Lingua:
ENG
Soggetto:
TEMPORAL RESOLUTION; APPARENT MOVEMENT; SPATIAL COMPATIBILITY; CEREBRAL HEMISPHERES; ASYMMETRIES; STIMULI; PERCEPTION; SPECIALIZATION; DISCRIMINATION; THRESHOLDS;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Social & Behavioral Sciences
Citazioni:
51
Recensione:
Indirizzi per estratti:
Indirizzo: Nicholls, MER Univ Melbourne, Dept Psychol, Parkville, Vic 3052, AustraliaUniv Melbourne Parkville Vic Australia 3052 3052, Australia
Citazione:
M.E.R. Nicholls e A.K. Lindell, "A left hemisphere, but not right hemispace, advantage for tactual simultaneity judgments", PERC PSYCH, 62(4), 2000, pp. 717-725

Abstract

Hemispheric asymmetries for tactile simultaneity judgments were investigated in 34 dextral adults. Pairs of vibrotactile stimuli with simultaneous orsuccessive onsets were delivered unilaterally to the left or right hand. Participants made a forced-choice, bipedal response, indicating whether a stimulus was simultaneous or successive. The effect of hemispatial attentional biases was investigated, using ipsilateral (arms uncrossed) and contralateral (arms crossed) hand placements. Trials presented to the right hand were associated with fewer errors and a trend for faster response times than were those presented to the left hand. There was no asymmetry in response bias. Manipulations of hemispace did not affect the right hand advantage. These results confirm the existence of a left hemisphere temporal-processing advantage but fail to demonstrate that the asymmetry is the result of a rightward attentional bias. The implications of these results for absolute and relative models of hemispheric specialization are discussed.

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Documento generato il 19/01/20 alle ore 14:40:15