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Istituto di scienze e tecnologie della cognizione

Torna all'elenco Contributi in rivista anno 2014

Contributo in rivista

Tipo: Articolo in rivista

Titolo: Effects of brief time delays on matching-to-sample abilities in capuchin monkeys (Sapajus spp.)

Anno di pubblicazione: 2014

Formato: Elettronico

Autori: Truppa, Valentina; De Simone, Diego Antonio; Piano Mortari, Eva; De Lillo, Carlo

Affiliazioni autori: Consiglio Nazionale delle Ricerche (CNR); Sapienza University Rome; Sapienza University Rome; University of Leicester

Autori CNR:

  • VALENTINA TRUPPA

Lingua: inglese

Abstract: Traditionally, studies of delayed matching-to-sample (DMTS) tasks in nonhuman species have focused on the assessment of the limits of the retrieval of information stored in short- and long-term memory systems. However, it is still unclear if visual recognition in these tasks is affected by very brief delay intervals, which are typically used to study rapidly decaying types of visual memory. This study aimed at evaluating if tufted capuchin monkeys' ability to recognise visual stimuli in a DMTS task is affected by (i) the disappearance of the sample stimulus and (ii) the introduction of delay intervals (0.5, 1.0, 2.0 and 3.0 s) between the disappearance of the sample and the presentation of the comparison stimuli. The results demonstrated that the simple disappearance of the sample and the introduction of a delay of 0.5 s did not affect capuchins' performance either in terms of accuracy or response time. A delay interval of 1.0 s produced a significant increase in response time but still did not affect recognition accuracy. By contrast, delays of 2.0 and 3.0 s determined a significant increase in response time and a reduction in recognition accuracy. These findings indicate the existence in capuchin monkeys of processes enabling a very accurate retention of stimulus features within time frames comparable to those reported for humans' sensory memory (0.5-1.0 s). The extent to which such processes can be considered analogous to the sensory memory processes observed in human visual cognition is discussed. (C) 2014 Elsevier B.V. All rights reserved.

Lingua abstract: inglese

Lingua altro abstract: inglese

Pagine da: 240

Pagine a: 248

Pagine totali: 9

Rivista:

Behavioural brain research Elsevier
Paese di pubblicazione: Paesi Bassi
Lingua: inglese
ISSN: 0166-4328

Numero volume: 271

DOI: 10.1016/j.bbr.2014.05.023

Referee: Sė: Internazionale

Indicizzato da: ISI Web of Science (WOS) [000340323000033]

Parole chiave:

  • Visual perception
  • Sensory memory
  • Short-term memory
  • Matching-to-sample
  • Capuchin monkey

Strutture CNR:

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