Number-space mapping in the newborn chick resembles humans’ mental number line

Rugani, Rosa; Vallortígara, Giorgio; Priftis, Konstantinos; Regolin, Lucia

doi:10.1126/science.aaa1379

Cited by 340 publications

(322 citation statements)

References 27 publications

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“…Train the chicks with a blank panel and then test them with number panels; in another experiment, train the chicks with a number panel and then test them with blank panels. If one assumes the absence of the concept of zero in chicks, there should be no bias in either experiment, which would support the findings of Rugani et al (3). However, a strong bias in these experiments will substantiate the authors' claim, with a startling proposition that chicks have some parallel to zero in the MNL.…”

supporting

confidence: 68%

Comment on “Number-space mapping in the newborn chick resembles humans’ mental number line”

Mangalam

Karve

2015

Science

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Rugani et al . (Reports, 30 January 3015, p. 534) tested 3-day-old domestic chicks using an innovative experimental setup and demonstrate the presence of the mental number line. We raise concerns regarding this conclusion by highlighting the possible loopholes in the experimental design and the data analysis procedures. We further suggest auxiliary experiments that can substantiate the authors’ claim.

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supporting

confidence: 68%

Comment on “Number-space mapping in the newborn chick resembles humans’ mental number line”

Mangalam

Karve

2015

Science

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“…Three-day-old domestic chicks Gallus gallus similarly appear to associate relatively smaller quantities with their left side and larger quantities with the right space (Rugani et al, 2015). This indicates that in addition to time, numerical magnitude also maps onto spatial cues in both humans and other animals, and may therefore be an ancestral aspect of quantity perception.…”

Section: Structural Correspondencesmentioning

confidence: 82%

Cross-Modal Correspondences in Non-human Mammal Communication

2016

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For both humans and other animals, the ability to combine information obtained through different senses is fundamental to the perception of the environment. It is well established that humans form systematic cross-modal correspondences between stimulus features that can facilitate the accurate combination of sensory percepts. However, the evolutionary origins of the perceptual and cognitive mechanisms involved in these cross-modal associations remain surprisingly under-explored. In this review we outline recent comparative studies investigating how non-human mammals naturally combine information encoded in different sensory modalities during communication. The results of these behavioural studies demonstrate that various mammalian species are able to combine signals from different sensory channels when they are perceived to share the same basic features, either because they can be redundantly sensed and/or because they are processed in the same way.Moreover, evidence that a wide range of mammals form complex cognitive representations about signallers, both within and across species, suggests that animals also learn to associate different sensory features which regularly co-occur. Further research is now necessary to determine how multisensory representations are formed in individual animals, including the relative importance of low-level feature-related correspondences. Such investigations will generate important insights into how animals perceive and categorise their environment, as well as provide an essential basis for understanding the evolution of multisensory perception in humans.

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“…Knowledge about the spatial organization of words and sentences within a text is not necessarily required to form culture-consistent associations, at least not in the case of counting direction. Some authors also postulate that number-space coding is at least partially hardwired and determined by biological factors (de Hevia et al, 2014;Rugani, Vallortigara, Priftis, & Regolin, 2015).…”

Section: Discussionmentioning

confidence: 99%

Playing Reading, Using Hands: Which Activities are Linked to Number-Space Processing in Preschool Children?

Patro

Haman

2017

Psychology of Language and Communication

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Literate subjects from Western cultures form spatial-numerical associations (SNA) in left-to-right direction, which follows their reading habits. In preliterate children, sources of SNA directionality are more disputable. One possibility is that SNA follows children's early knowledge about text orientation. It could also reflect ipsilateral/contralateral tendencies in manual task execution. Furthermore, SNA's characteristics could differ depending on the evaluation method used. In this study, we test SNA in preliterate preschoolers using object counting, finger counting, and numerosity arrangement tasks. We examined the relations of SNA to children's directional reading knowledge and their manual response tendencies. Left-to-right SNA was pronounced for object counting, disappeared for the numerosity task, and was reversed for finger counting. In all tasks, left-to-right SNA dominated in children who responded contralaterally with their hand. Reading knowledge was partially related to numerosity-based SNA, but not to other SNAs. Based on these findings, we discuss developmental characteristics of different forms of number-space associations.

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Number-space mapping in the newborn chick resembles humans’ mental number line

Cited by 340 publications

References 27 publications

Comment on “Number-space mapping in the newborn chick resembles humans’ mental number line”

Comment on “Number-space mapping in the newborn chick resembles humans’ mental number line”

Cross-Modal Correspondences in Non-human Mammal Communication

Playing Reading, Using Hands: Which Activities are Linked to Number-Space Processing in Preschool Children?

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