http://www.cnr.it/ontology/cnr/individuo/prodotto/ID206045
Response Latency and Self-Directed Behaviours by Capuchin Monkeys in an Intertemporal Choice Task (Abstract in rivista)
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- Response Latency and Self-Directed Behaviours by Capuchin Monkeys in an Intertemporal Choice Task (Abstract in rivista) (literal)
- Anno
- 2011-01-01T00:00:00+01:00 (literal)
- Alternative label
M. Ventricelli (a,b); V. Focaroli (a,b); F. De Petrillo (a,b) ; L. Macchitella (a,c); F. Paglieri (a); E. Addessi (a) (2011)
Response Latency and Self-Directed Behaviours by Capuchin Monkeys in an Intertemporal Choice Task
(literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- M. Ventricelli (a,b); V. Focaroli (a,b); F. De Petrillo (a,b) ; L. Macchitella (a,c); F. Paglieri (a); E. Addessi (a) (literal)
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- ID_PUMA: /cnr.istc/2011-B6-012. - Area di valutazione 11 - Scienze storiche, filosofiche, psicologiche e pedagogiche. - Abstract presentato al 20th Meeting of Italian Primatological Association, Bussolengo, 10-13 aprile 2011. - Rivista pubblicata anche in ed. online (ISSN 1421-9980) (literal)
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- a) Istituto di scienze e tecnologie della cognizione CNR, b) Sapienza Università di Roma, c) AIPEPUACZ, Associazione Italiana Psicologia, Etologia, Psicobiologia Umana, Animale, Comparata e Zooantropologia (literal)
- Titolo
- Response Latency and Self-Directed Behaviours by Capuchin Monkeys in an Intertemporal Choice Task (literal)
- Abstract
- Several studies have investigated response latency in different tasks, showing that more complex choices usually require more time than less complex ones. In both humans and non-human primates self-directed behaviours, such as scratching, are related to frustration and anxiety. A few studies demonstrated that in great apes the occurrence of self-directed behaviours during cognitive tasks increase with task difficulty. Here, we investigated how response latency, scratching and other potentially stress-related behaviours vary in nine capuchins faced with an intertemporal choice task, an inhibition task where subjects face choices between a small immediate option and a large delayed option. We scored: (i) response latency, (ii) scratching, alarm calls, and pointing at chosen/not chosen option (a behaviour indicating motor impulsivity) during the delay associated to the large option, and (iii) scratching and alarm calls during the intertrial interval. Overall, there was a significant decrease of response latency across sessions. Moreover, in the course of the study, capuchins adjusted their behaviour to the hard task requirement (waiting for a desired reward), becoming less stressed during the delay. In fact, (i) scratching decreased both within each session and across sessions, and (ii) pointing at chosen/not chosen option decreased across sessions. In contrast, during the intertrial interval alarm calls increased across sessions. Thus, experience helps capuchins to cope with productive delays (i.e. instrumental to obtaining a reward), but has a negative impact on their tolerance for meaningless delays (i.e. non related with the specific task, as in the intertrial interval). (literal)
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