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Titolo:
The role of "nothing" in memory for event duration in pigeons
Autore:
Gaitan, SC; Wixted, JT;
Indirizzi:
Univ Calif San Diego, Dept Psychol 0109, La Jolla, CA 92093 USA Univ CalifSan Diego La Jolla CA USA 92093 l 0109, La Jolla, CA 92093 USA
Titolo Testata:
ANIMAL LEARNING & BEHAVIOR
fascicolo: 2, volume: 28, anno: 2000,
pagine: 147 - 161
SICI:
0090-4996(200005)28:2<147:TRO"IM>2.0.ZU;2-R
Fonte:
ISI
Lingua:
ENG
Soggetto:
SHORT-TERM-MEMORY; DELAY; SAMPLES;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Social & Behavioral Sciences
Life Sciences
Citazioni:
18
Recensione:
Indirizzi per estratti:
Indirizzo: Wixted, JT Univ Calif San Diego, Dept Psychol 0109, La Jolla, CA 92093 USAUniv Calif San Diego La Jolla CA USA 92093 Jolla, CA 92093 USA
Citazione:
S.C. Gaitan e J.T. Wixted, "The role of "nothing" in memory for event duration in pigeons", ANIM LEAR B, 28(2), 2000, pp. 147-161

Abstract

The research reported herein is designed to test a signal detection account of the choose-short effect, which is the tendency of birds to report (after a long delay) that a short-duration sample was presented, regardless of whether a short or long sample initiated the trial. According to the detection account, the choose-short effect arises because birds learn to selectively search memory for evidence that the long sample appeared on a given trial. This idea is tested, in part, by replacing short-sample trials with no-sample trials and showing that performance is unaffected by this manipulation for birds exhibiting a choose-short effect. In addition, when no samplesand long samples were associated with the same choice alternative (and theshort sample was associated with the other alternative), birds were flexible enough to learn to respond on the basis of the presence Versus the absence of the short sample (and, as a result, a choose-long effect was observed).

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 25/09/20 alle ore 08:22:31