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Viarouge A, de Hevia MD. What makes different number-space mappings interact? PSYCHOLOGICAL RESEARCH 2024:10.1007/s00426-024-01958-5. [PMID: 38607389 DOI: 10.1007/s00426-024-01958-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2023] [Accepted: 03/20/2024] [Indexed: 04/13/2024]
Abstract
Models of numerical cognition consider a visuo-spatial representation to be at the core of numerical processing, the 'mental number line'. Two main interference effects between number and space have been described: the SNARC effect reflects a small number/left side and large number/right side association (number-location mapping); the size-congruity effect (SCE) reflects a small number/small size and large number/large size association (number-size mapping). Critically, a thorough investigation on the representational source for these two number-space mappings is lacking, leaving open the question of whether the same representation underlies both phenomena. Here, we build on a recent study (Viarouge and de Hevia in Front Hum Neurosci 15:750964, 2021) in order to address this question in three experiments, by systematically manipulating the presence of the two conditions that might elicit an interaction between SNARC and SCE: (i) an implicit task whereby numerical and spatial information are task-irrelevant, (ii) a design in which the number-space congruency relative to both mappings vary at the same level -either both within or between blocks. Experiment 1 replicated the interaction between the two mappings when both factors were present. Experiments 2 and 3 dissociated the two factors by varying the two mappings at the same level but using an explicit comparison task (Experiment 2), or by using an implicit task but with mappings varying at different levels (Experiment 3). We found that both factors, either in combination or used in isolation, drive the interaction between the two number-space mappings. These findings are discussed in terms of the weight given to each mapping, suggesting that a single representation encompassing both number-space mappings is therefore activated whenever both mappings are given equal weight through task requirements.
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Affiliation(s)
- Arnaud Viarouge
- Laboratory for the Psychology of Child Development and Education (LaPsyDÉ), CNRS, Université Paris Cité, 46 Rue Saint Jacques, 75005, Paris, France.
| | - Maria Dolores de Hevia
- Université Paris Cité, CNRS, Integrative Neuroscience and Cognition Center, F-75006, Paris, France
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2
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Cheung CN. When A is greater than B: Interactions between magnitude and serial order. Conscious Cogn 2021; 97:103259. [PMID: 34971865 DOI: 10.1016/j.concog.2021.103259] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2021] [Revised: 12/02/2021] [Accepted: 12/04/2021] [Indexed: 11/17/2022]
Abstract
Processing ordinal information is an important aspect of cognitive ability, yet the nature of such ordinal representations remains largely unclear. Previously, it has been suggested that ordinal position is coded as magnitude, but this claim has not yet received direct empirical support. This study examined the nature of ordinal representations using a Stroop-like letter order judgment task. If ordinal position is coded as magnitude, then letter ordering and font size should interact. Experiments 1 and 2 identified a significant interaction between letter size and ordering. Specifically, a facilitation effect was observed for alphabetically ordered sequences with decreasing font size (e.g., B C D). This suggests an overlap in the mechanisms for order and magnitude processing. The finding also suggests that earlier ranks may be represented as "more" in such a magnitude-based code, and vice versa for later ranks.
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Affiliation(s)
- Chi-Ngai Cheung
- Department of Psychology and Criminal Justice, Middle Georgia State University, USA; Jiann-Ping Hsu College of Public Health, Georgia Southern University, USA; Department of Psychology, University of South Florida, USA.
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Viarouge A, de Hevia MD. Can a Single Representational Object Account for Different Number-Space Mappings? Front Hum Neurosci 2021; 15:750964. [PMID: 34671249 PMCID: PMC8520985 DOI: 10.3389/fnhum.2021.750964] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2021] [Accepted: 09/13/2021] [Indexed: 11/25/2022] Open
Abstract
Numbers are mapped onto space from birth on, as evidenced by a variety of interactions between the processing of numerical and spatial information. In particular, larger numbers are associated to larger spatial extents (number/spatial extent mapping) and to rightward spatial locations (number/location mapping), and smaller numbers are associated to smaller spatial extents and leftward spatial locations. These two main types of number/space mappings (number/spatial extent and number/location mappings) are usually assumed to reflect the fact that numbers are represented on an internal continuum: the mental number line. However, to date there is very little evidence that these two mappings actually reflect a single representational object. Across two experiments in adults, we investigated the interaction between number/location and number/spatial extent congruency effects, both when numbers were presented in a non-symbolic and in a symbolic format. We observed a significant interaction between the two mappings, but only in the context of an implicit numerical task. The results were unaffected by the format of presentation of numbers. We conclude that the number/location and the number/spatial extent mappings can stem from the activation of a single representational object, but only in specific experimental contexts.
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McCrink K, Veggiotti L, de Hevia MD. A left visual advantage for quantity processing in neonates. Ann N Y Acad Sci 2020; 1477:71-78. [PMID: 32808292 PMCID: PMC7572742 DOI: 10.1111/nyas.14457] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2020] [Revised: 06/26/2020] [Accepted: 07/15/2020] [Indexed: 11/28/2022]
Abstract
Forty-eight newborn infants were tested in one of three multimodal stimulus conditions, in which auditory quantities were presented alongside visual object arrays in two test trials. These tests varied with respect to which side (either left or right) numerically matched the auditory number. The infants looked longer to the test trials in which the left side of the visual display exhibited a quantity that matched the presented auditory quantity. This study provides the first evidence for an untrained, innate bias for humans to preferentially process quantity information presented in the left field of vision.
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Affiliation(s)
| | - Ludovica Veggiotti
- Université de Paris, CNRS, Integrative Neuroscience and Cognition Center, F-75006 Paris, France
| | - Maria Dolores de Hevia
- Université de Paris, CNRS, Integrative Neuroscience and Cognition Center, F-75006 Paris, France
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Evidence for a visuospatial bias in decimal number comparison in adolescents and in adults. Sci Rep 2019; 9:14770. [PMID: 31611577 PMCID: PMC6791935 DOI: 10.1038/s41598-019-51392-6] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2019] [Accepted: 09/19/2019] [Indexed: 11/08/2022] Open
Abstract
There is a close relation between spatial and numerical representations which can lead to interference as in Piaget's number conservation task or in the numerical Stroop task. Using a negative priming (NP) paradigm, we investigated whether the interference between spatial and numerical processing extends to more complex arithmetic processing by asking 12 year olds and adults to compare the magnitude of decimal numbers (i.e., the prime) and, subsequently, the length of two lines or the luminance of two circles (i.e., the probe). We found NP effects when participants compare length but not luminance. Our finding suggests that decimal comparison is impacted by a visuospatial bias due to the interference between the magnitude of the numbers to be compared and their physical length. We discuss the educational implications of these findings.
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Viarouge A, Houdé O, Borst G. Evidence for the role of inhibition in numerical comparison: A negative priming study in 7- to 8-year-olds and adults. J Exp Child Psychol 2019; 186:131-141. [DOI: 10.1016/j.jecp.2019.05.011] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2019] [Revised: 05/24/2019] [Accepted: 05/24/2019] [Indexed: 10/26/2022]
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Bonn CD, Netskou ME, Streri A, de Hevia MD. The association of brightness with number/duration in human newborns. PLoS One 2019; 14:e0223192. [PMID: 31574110 PMCID: PMC6773210 DOI: 10.1371/journal.pone.0223192] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2019] [Accepted: 09/16/2019] [Indexed: 11/19/2022] Open
Abstract
Human neonates spontaneously associate changes in magnitude across the dimensions of number, length, and duration. Do these particular associations generalize to other pairs of magnitudes in the same way at birth, or do they reflect an early predisposition to expect specific relations between spatial, temporal, and numerical representations? To begin to answer this question, we investigated how strongly newborns associated auditory sequences changing in number/duration with visual objects changing in levels of brightness. We tested forty-eight newborn infants in one of three, bimodal stimulus conditions in which auditory numbers/durations increased or decreased from a familiarization trial to the two test trials. Auditory numbers/durations were paired with visual objects in familiarization that remained the same on one test trial but changed in luminance/contrast or shape on the other. On average, results indicated that newborns looked longer when changes in brightness accompanied the number/duration change as compared to no change, a preference that was most consistent when the brightness change was congruent with the number/duration change. For incongruent changes, this preference depended on trial order. Critically, infants showed no preference for a shape change over no shape change, indicating that infants likely treated brightness differently than a generic feature. Though this performance pattern is somewhat similar to previously documented associations, these findings suggest that cross-magnitude associations among number, length, and duration may be more specialized at birth, rather than emerge gradually from postnatal experience or maturation.
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Affiliation(s)
- Cory D. Bonn
- Department of Psychology, University of British Columbia, Vancouver, BC, Canada
| | - Maria-Eirini Netskou
- Integrative Neuroscience and Cognition Center (CNRS UMR 8002), Université Paris Descartes, Paris, France
| | - Arlette Streri
- Integrative Neuroscience and Cognition Center (CNRS UMR 8002), Université Paris Descartes, Paris, France
| | - Maria Dolores de Hevia
- Integrative Neuroscience and Cognition Center (CNRS UMR 8002), Université Paris Descartes, Paris, France
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Abstract
When objects are manually lifted to compare their weight, then smaller objects are judged to be heavier than larger objects of the same physical weights: the classical size-weight illusion (Gregory, 2004). It is also well established that increasing numerical magnitude is strongly associated with increasing physical size: the number-size congruency effect e.g., (Besner & Coltheart Neuropsychologia, 17, 467-472 1979); Henik & Tzelgov Memory & Cognition, 10, 389-395 1982). The present study investigates the question suggested by combining these two classical effects: if smaller numbers are associated with smaller size, and objects of smaller size appear heavier, then are numbered objects (balls) of equal weight and size also judged as heavier when they carry smaller numbers? We present two experiments testing this hypothesis for weight comparisons of numbered (1 to 9) balls of equal size and weight, and report results which largely conform to an interpretation in terms of a new "number-weight illusion".
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A Bayesian Perspective on Accumulation in the Magnitude System. Sci Rep 2017; 7:630. [PMID: 28377631 PMCID: PMC5428809 DOI: 10.1038/s41598-017-00680-0] [Citation(s) in RCA: 36] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2017] [Accepted: 03/08/2017] [Indexed: 12/11/2022] Open
Abstract
Several theoretical and empirical work posit the existence of a common magnitude system in the brain. Such a proposal implies that manipulating stimuli in one magnitude dimension (e.g. duration in time) should interfere with the subjective estimation of another magnitude dimension (e.g. size in space). Here, we asked whether a generalized Bayesian magnitude estimation system would sample sensory evidence using a common, amodal prior. Two psychophysical experiments separately tested participants on their perception of duration, surface, and numerosity when the non-target magnitude dimensions and the rate of sensory evidence accumulation were manipulated. First, we found that duration estimation was resilient to changes in surface and numerosity, whereas lengthening (shortening) the duration yielded under- (over-) estimations of surface and numerosity. Second, the perception of surface and numerosity were affected by changes in the rate of sensory evidence accumulation, whereas duration was not. Our results suggest that a generalized magnitude system based on Bayesian computations would minimally necessitate multiple priors.
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Alards-Tomalin D, Walker AC, Nepon H, Leboe-McGowan LC. Dual-task interference effects on cross-modal numerical order and sound intensity judgments: the more the louder? Q J Exp Psychol (Hove) 2016; 70:1943-1963. [PMID: 27442724 DOI: 10.1080/17470218.2016.1216139] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
In the current study, cross-task interactions between number order and sound intensity judgments were assessed using a dual-task paradigm. Participants first categorized numerical sequences composed of Arabic digits as either ordered (ascending, descending) or non-ordered. Following each number sequence, participants then had to judge the intensity level of a target sound. Experiment 1 emphasized processing the two tasks independently (serial processing), while Experiments 2 and 3 emphasized processing the two tasks simultaneously (parallel processing). Cross-task interference occurred only when the task required parallel processing and was specific to ascending numerical sequences, which led to a higher proportion of louder sound intensity judgments. In Experiment 4 we examined whether this unidirectional interaction was the result of participants misattributing enhanced processing fluency experienced on ascending sequences as indicating a louder target sound. The unidirectional finding could not be entirely attributed to misattributed processing fluency, and may also be connected to experientially derived conceptual associations between ascending number sequences and greater magnitude, consistent with conceptual mapping theory.
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Affiliation(s)
- Doug Alards-Tomalin
- a Department of Psychology , University of Manitoba , Winnipeg , MB , Canada
| | - Alexander C Walker
- a Department of Psychology , University of Manitoba , Winnipeg , MB , Canada
| | - Hillary Nepon
- a Department of Psychology , University of Manitoba , Winnipeg , MB , Canada
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Hartmann M, Mast FW. Loudness counts: Interactions between loudness, number magnitude, and space. Q J Exp Psychol (Hove) 2016; 70:1305-1322. [PMID: 27109592 DOI: 10.1080/17470218.2016.1182194] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
ATOM (a theory of magnitude) suggests that magnitude information of different formats (numbers, space, and time) is processed within a generalized magnitude network. In this study we investigated whether loudness, as a possible indicator of intensity and magnitude, interacts with the processing of numbers. Small and large numbers, spoken in a quiet and a loud voice, were simultaneously presented to the left and right ear (Experiments 1a and 1b). Participants judged whether the number presented to the left or right ear was louder or larger. Responses were faster when the smaller number was spoken in a quiet voice, and the larger number in a loud voice. Thus, task-irrelevant numerical information influenced the processing of loudness and vice versa. This bi-directional link was also confirmed by classical SNARC paradigms (spatial-numerical association of response codes; Experiments 2a-2c) when participants again judged the magnitude or loudness of separately presented stimuli. In contrast, no loudness-number association was found in a parity judgment task. Regular SNARC effects were found in the magnitude and parity judgment task, but not in the loudness judgment task. Instead, in the latter task, response side was associated with loudness. Possible explanations for these results are discussed.
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Affiliation(s)
- Matthias Hartmann
- a Department of Psychology , University of Bern , Bern , Switzerland
| | - Fred W Mast
- a Department of Psychology , University of Bern , Bern , Switzerland
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12
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Alards-Tomalin D, Walker AC, Shaw JD, Leboe-McGowan LC. Is 9 louder than 1? Audiovisual cross-modal interactions between number magnitude and judged sound loudness. Acta Psychol (Amst) 2015. [PMID: 26218842 DOI: 10.1016/j.actpsy.2015.07.004] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
Abstract
The cross-modal impact of number magnitude (i.e. Arabic digits) on perceived sound loudness was examined. Participants compared a target sound's intensity level against a previously heard reference sound (which they judged as quieter or louder). Paired with each target sound was a task irrelevant Arabic digit that varied in magnitude, being either small (1, 2, 3) or large (7, 8, 9). The degree to which the sound and the digit were synchronized was manipulated, with the digit and sound occurring simultaneously in Experiment 1, and the digit preceding the sound in Experiment 2. Firstly, when target sounds and digits occurred simultaneously, sounds paired with large digits were categorized as loud more frequently than sounds paired with small digits. Secondly, when the events were separated, number magnitude ceased to bias sound intensity judgments. In Experiment 3, the events were still separated, however the participants held the number in short-term memory. In this instance the bias returned.
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13
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Heurley LP, Ferrier LP. What are memory-perception interactions for? Implications for action. Front Psychol 2015; 5:1553. [PMID: 25620945 PMCID: PMC4287056 DOI: 10.3389/fpsyg.2014.01553] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2014] [Accepted: 12/15/2014] [Indexed: 11/29/2022] Open
Affiliation(s)
- Loïc P Heurley
- Laboratory CeRSM EA2931, Center of Research on Sport and Movement, Université Paris Ouest-Nanterre La Défense Nanterre, France
| | - Laurent P Ferrier
- Institut Français des Sciences et Technologies des Transports, de l'Aménagement et des Réseaux, Laboratoire de Recherche Mécanismes d'Accidents Salon de Provence, France ; Laboratory EPSYLON EA4556, Dynamics of Human Abilities and Health Behaviors, Université Montpellier III Paul Valéry Montpellier, France
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Bulf H, Macchi Cassia V, de Hevia MD. Are numbers, size and brightness equally efficient in orienting visual attention? Evidence from an eye-tracking study. PLoS One 2014; 9:e99499. [PMID: 24932753 PMCID: PMC4059659 DOI: 10.1371/journal.pone.0099499] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2013] [Accepted: 05/15/2014] [Indexed: 01/29/2023] Open
Abstract
A number of studies have shown strong relations between numbers and oriented spatial codes. For example, perceiving numbers causes spatial shifts of attention depending upon numbers' magnitude, in a way suggestive of a spatially oriented, mental representation of numbers. Here, we investigated whether this phenomenon extends to non-symbolic numbers, as well as to the processing of the continuous dimensions of size and brightness, exploring whether different quantitative dimensions are equally mapped onto space. After a numerical (symbolic Arabic digits or non-symbolic arrays of dots; Experiment 1) or a non-numerical cue (shapes of different size or brightness level; Experiment 2) was presented, participants' saccadic response to a target that could appear either on the left or the right side of the screen was registered using an automated eye-tracker system. Experiment 1 showed that, both in the case of Arabic digits and dot arrays, right targets were detected faster when preceded by large numbers, and left targets were detected faster when preceded by small numbers. Participants in Experiment 2 were faster at detecting right targets when cued by large-sized shapes and left targets when cued by small-sized shapes, whereas brightness cues did not modulate the detection of peripheral targets. These findings indicate that looking at a symbolic or a non-symbolic number induces attentional shifts to a peripheral region of space that is congruent with the numbers' relative position on a mental number line, and that a similar shift in visual attention is induced by looking at shapes of different size. More specifically, results suggest that, while the dimensions of number and size spontaneously map onto an oriented space, the dimension of brightness seems to be independent at a certain level of magnitude elaboration from the dimensions of spatial extent and number, indicating that not all continuous dimensions are equally mapped onto space.
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Affiliation(s)
- Hermann Bulf
- Department of Psychology, University of Milano-Bicocca, Milano, Italy
- * E-mail:
| | | | - Maria Dolores de Hevia
- Université Paris-Descartes, Laboratoire Psychologie de la Perception, CNRS, UMR 8242, Paris, France
- Cognitive Neuroimaging Unit, NeuroSpin, INSERM, U992, Gif sur Yvette, France
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Vicario CM. On a generalized magnitude system in the brain: an integrative perspective. Front Psychol 2013; 4:829. [PMID: 24273522 PMCID: PMC3824102 DOI: 10.3389/fpsyg.2013.00829] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2013] [Accepted: 10/18/2013] [Indexed: 11/18/2022] Open
Affiliation(s)
- Carmelo M Vicario
- School of Psychology, The University of Queensland Brisbane, QLD, Australia
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