Rudimental numerical competence in 5-day-old domestic chicks (Gallus gallus): Identification of ordinal position.

Rugani, Rosa; Regolin, Lucia; Vallortígara, Giorgio

doi:10.1037/0097-7403.33.1.21

Cited by 81 publications

(105 citation statements)

References 38 publications

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“…To note, there are several other behavioral experiments with humans and non-human animals, which as in the current work, show signs of separate cognitive systems of ordinality and quantity processing and, hence, support the current idea. For example, it has been shown that young chicks use ordinality and not distance when required to identify a target by its numerical serial position [18]. Also, Zorzi and colleagues [23] found dissociation between processing numerical vs. alphabetical orders in bilateral horizontal IPS, indicating that ordinal and quantity processing dissociate.…”

Section: Ordinality and Quantitymentioning

confidence: 99%

Processing Ordinality and Quantity: The Case of Developmental Dyscalculia

Rubinsten¹

2011

PsycEXTRA Dataset

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In contrast to quantity processing, up to date, the nature of ordinality has received little attention from researchers despite the fact that both quantity and ordinality are embodied in numerical information. Here we ask if there are two separate core systems that lie at the foundations of numerical cognition: (1) the traditionally and well accepted numerical magnitude system but also (2) core system for representing ordinal information. We report two novel experiments of ordinal processing that explored the relation between ordinal and numerical information processing in typically developing adults and adults with developmental dyscalculia (DD). Participants made ''ordered'' or ''non-ordered'' judgments about 3 groups of dots (non-symbolic numerical stimuli; in Experiment 1) and 3 numbers (symbolic task: Experiment 2). In contrast to previous findings and arguments about quantity deficit in DD participants, when quantity and ordinality are dissociated (as in the current tasks), DD participants exhibited a normal ratio effect in the non-symbolic ordinal task. They did not show, however, the ordinality effect. Ordinality effect in DD appeared only when area and density were randomized, but only in the descending direction. In the symbolic task, the ordinality effect was modulated by ratio and direction in both groups. These findings suggest that there might be two separate cognitive representations of ordinal and quantity information and that linguistic knowledge may facilitate estimation of ordinal information.Citation: Rubinsten O, Sury D (2011) Processing Ordinality and Quantity: The Case of Developmental Dyscalculia. PLoS ONE 6(9): e24079.

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Section: Ordinality and Quantitymentioning

confidence: 99%

Processing Ordinality and Quantity: The Case of Developmental Dyscalculia

Rubinsten¹

2011

PsycEXTRA Dataset

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“…A leftward attentional bias has also been reported in birds (Diekamp et al 2005): a left-sided visuospatial bias was seen when birds were given a free choice to orient towards and peck at grains spread evenly over an area in front of them. In addition, Rugani et al (2007) found that chicks, when identifying the position of a hole in a series, would start from the left end of the series, and not the right, in order to refer to the correct hole. This confirms Regolin's (2006) work describing a left bias in a line-bisection task.…”

Section: Lateralization Of Response To 'Tidbitting'mentioning

confidence: 99%

Lateralization of social cognition in the domestic chicken (Gallus gallus)

Daisley

Mascalzoni

Rosa‐Salva

et al. 2008

Phil. Trans. R. Soc. B

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In this paper, we report on the ongoing work in our laboratories on the effect of lateralization produced by light exposure in the egg on social cognition in the domestic chick (Gallus gallus). The domestic chick possesses a lateralized visual system. This has effects on the chick's perception towards and interaction with its environment. This includes its ability to live successfully within a social group. We show that there is a tendency for right brain hemisphere dominance when performing social cognitive actions. As such, chicks show a left hemispatial bias for approaching a signalled target object, tend to perceive gaze and faces of human-like masks more effectively when using their left eye, are able to inhibit a pecking response more effectively when viewing a neighbour tasting a bitter substance with their left eye, and are better able to perform a transitive inference task when exposed to light in the egg and when forced to use their left eye only compared to dark-hatched or right eye chicks. Some of these effects were sex specific, with male chicks tending to show an increased effect of lateralization on their behaviours. These data are discussed in terms of overall social cognition in group living.

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“…Humans are not alone in this skill . The ability to perceive nonsymbolic numerical magnitudes of such sets is ubiquitous in the animal kingdom, having been seen for such diverse creatures as rats (Meck & Church, 1983), chickens (Rugani, Regolin, & Vallortigara, 2007), monkeys (Cantlon & Brannon, 2006), and beluga whales (Abramson, Hernández-Lloreda, Call, & Colmenares, 2013).…”

Section: Nonsymbolic Numerical Magnitudesmentioning

confidence: 99%

How to estimate how well people estimate: Evaluating measures of individual differences in the approximate number system

Chesney

Bjälkebring

Peters

2015

Atten Percept Psychophys

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At a glance, one can tell that there are more individual fruits in a pile of 100 apples than in a pile of 20 watermelons, even though the watermelons take up more space. People's ability to distinguish between such nonsymbolic numerical magnitudes without counting is derived from the approximate number system (ANS). Individual differences in this ability (ANS acuity) are emerging as an important predictor in research areas ranging from children's understanding of arithmetic to adults' use of numbers in judgment and decision making. However, ANS acuity must be assessed through proxy tasks that might not show consistent relationships with this ability. Furthermore, practical limitations often confine researchers to using abbreviated measures of this ability, whose reliability is questionable. Here, we developed and tested several novel ANS acuity measures: a nonsymbolic discrimination task designed to account for participants' lapses in attention; three estimation tasks, including one task in which participants estimated the number of dots in a briefly presented set, one in which they estimated the ratio between two sets of dots, and one in which they indicated the correct position of a set of dots on a "number-line" anchored by two sets of dots, as well as a similar number-line task using symbolic numbers. The results indicated that the discrimination task designed to account for lapses in participants' attention holds promise as a reliable measure of ANS acuity, considered in terms of both internal and test-retest reliability. We urge researchers to use acuity measures whose reliability has been demonstrated.Keywords Numeracy . Individual differences . Approximate number system . Nonverbal counting . Estimation Numeracy and individual differencesA growing body of literature has demonstrated that individual differences in numeric ability predict a diverse range of life outcomes. People who are better at math achieve higher educational attainment, better health, and greater economic suc-

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Rudimental numerical competence in 5-day-old domestic chicks (Gallus gallus): Identification of ordinal position.

Cited by 81 publications

References 38 publications

Processing Ordinality and Quantity: The Case of Developmental Dyscalculia

Processing Ordinality and Quantity: The Case of Developmental Dyscalculia

Lateralization of social cognition in the domestic chicken (Gallus gallus)

How to estimate how well people estimate: Evaluating measures of individual differences in the approximate number system

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