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Titolo:
Concurrent response-selection processes in dual-task performance: Evidencefor adaptive executive control of task scheduling
Autore:
Schumacher, EH; Lauber, EJ; Glass, JM; Zurbriggen, EI; Gmeindl, L; Kieras, DE; Meyer, DE;
Indirizzi:
UnivUSAchigan, Cognit & Percept Program, Dept Psychol, Ann Arbor, MI 48109Univ Michigan Ann Arbor MI USA 48109 m, Dept Psychol, Ann Arbor, MI 48109 Univ Georgia, Dept Psychol, Athens, GA 30602 USA Univ Georgia Athens GA USA 30602 rgia, Dept Psychol, Athens, GA 30602 USA Univ Michigan, Dept Elect Engn & Comp Sci, Ann Arbor, MI 48109 USA Univ Michigan Ann Arbor MI USA 48109 & Comp Sci, Ann Arbor, MI 48109 USA
Titolo Testata:
JOURNAL OF EXPERIMENTAL PSYCHOLOGY-HUMAN PERCEPTION AND PERFORMANCE
fascicolo: 3, volume: 25, anno: 1999,
pagine: 791 - 814
SICI:
0096-1523(199906)25:3<791:CRPIDP>2.0.ZU;2-0
Fonte:
ISI
Lingua:
ENG
Soggetto:
SPEEDED-CHOICE TASKS; CEREBRAL HEMISPHERES; COMPUTATIONAL THEORY; COGNITIVE-PROCESSES; OVERLAPPING TASKS; INTERFERENCE; MECHANISMS; BOTTLENECK; LOCUS; ATTENTION;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Social & Behavioral Sciences
Citazioni:
60
Recensione:
Indirizzi per estratti:
Indirizzo: Meyer, DE Univr,ichigan, Cognit & Percept Program, Dept Psychol, 525 E Univ, Ann Arbo Univ Michigan 525 E Univ Ann Arbor MI USA 48109 E Univ, Ann Arbo
Citazione:
E.H. Schumacher et al., "Concurrent response-selection processes in dual-task performance: Evidencefor adaptive executive control of task scheduling", J EXP PSY P, 25(3), 1999, pp. 791-814

Abstract

This article reports 4 experiments that used the psychological refractory period procedure to characterize how people perform multiple tasks concurrently. For each experiment, a primary choice-reaction task was paired with asecondary choice-reaction task that had two levels of response-selection difficulty. Experiments 1 and 2 varied secondary-task response-selection difficulty by manipulating the number of stimulus-response (S-R) pairs. The effect of this factor on secondary-task reaction times (RTs) decreased reliably as the stimulus onset asynchrony (SOA) decreased. Experiments 3 and 4 varied secondary-task response-selection difficulty by manipulating S-R compatibility. Again, the effect of this factor on secondary-task RTs decreased reliably as SOA decreased. These results raise doubts about the existence of an immutable structural response-selection bottleneck and suggest that response selection for 2 concurrent tasks may overlap temporally.

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Documento generato il 22/01/20 alle ore 06:37:56