1
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Frey M, Gashaj V, Nuerk HC, Moeller K. You can count on your fingers: Finger-based intervention improves first-graders' arithmetic learning. J Exp Child Psychol 2024; 244:105934. [PMID: 38714154 DOI: 10.1016/j.jecp.2024.105934] [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: 07/30/2023] [Revised: 03/20/2024] [Accepted: 03/24/2024] [Indexed: 05/09/2024]
Abstract
The question of whether finger use should be encouraged or discouraged in early mathematics instruction remains a topic of debate. Scientific evidence on this matter is scarce due to the limited number of systematic intervention studies. Accordingly, we conducted an intervention study in which first-graders (Mage = 6.48 years, SD = 0.35) completed a finger-based training (18 sessions of ∼ 30 min each) over the course of the first school year. The training was integrated into standard mathematics instruction in schools and compared with business-as-usual curriculum teaching. At the end of first grade and in a follow-up test 9 months later in second grade, children who received the finger training (n = 119) outperformed the control group (n = 123) in written addition and subtraction. No group differences were observed for number line estimation tasks. These results suggest that finger-based numerical strategies can enhance arithmetic learning, supporting the idea of an embodied representation of numbers, and challenge the prevailing skepticism about finger use in primary mathematics education.
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Affiliation(s)
- Mirjam Frey
- LEAD Graduate School & Research Network, University of Tübingen, 72072 Tübingen, Germany; Department of Psychology, University of Groningen, 9712 TS Groningen, the Netherlands.
| | - Venera Gashaj
- Department of Mathematics Education, School of Science, Loughborough University, Loughborough, Leicestershire LE11 3TU, UK
| | - Hans-Christoph Nuerk
- LEAD Graduate School & Research Network, University of Tübingen, 72072 Tübingen, Germany; Department of Psychology, University of Tübingen, 72072 Tübingen, Germany
| | - Korbinian Moeller
- LEAD Graduate School & Research Network, University of Tübingen, 72072 Tübingen, Germany; Department of Mathematics Education, School of Science, Loughborough University, Loughborough, Leicestershire LE11 3TU, UK
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2
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Körner A, Castillo M, Drijvers L, Fischer MH, Günther F, Marelli M, Platonova O, Rinaldi L, Shaki S, Trujillo JP, Tsaregorodtseva O, Glenberg AM. Embodied Processing at Six Linguistic Granularity Levels: A Consensus Paper. J Cogn 2023; 6:60. [PMID: 37841668 PMCID: PMC10573585 DOI: 10.5334/joc.231] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2022] [Accepted: 06/13/2022] [Indexed: 10/17/2023] Open
Abstract
Language processing is influenced by sensorimotor experiences. Here, we review behavioral evidence for embodied and grounded influences in language processing across six linguistic levels of granularity. We examine (a) sub-word features, discussing grounded influences on iconicity (systematic associations between word form and meaning); (b) words, discussing boundary conditions and generalizations for the simulation of color, sensory modality, and spatial position; (c) sentences, discussing boundary conditions and applications of action direction simulation; (d) texts, discussing how the teaching of simulation can improve comprehension in beginning readers; (e) conversations, discussing how multi-modal cues improve turn taking and alignment; and (f) text corpora, discussing how distributional semantic models can reveal how grounded and embodied knowledge is encoded in texts. These approaches are converging on a convincing account of the psychology of language, but at the same time, there are important criticisms of the embodied approach and of specific experimental paradigms. The surest way forward requires the adoption of a wide array of scientific methods. By providing complimentary evidence, a combination of multiple methods on various levels of granularity can help us gain a more complete understanding of the role of embodiment and grounding in language processing.
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Affiliation(s)
- Anita Körner
- Department of Psychology, University of Kassel, DE
| | - Mauricio Castillo
- Center for Basic Research in Psychology, University of the Republic of Uruguay, UY
| | | | | | - Fritz Günther
- Department of Psychology, Humboldt-Universität zu Berlin, DE
| | - Marco Marelli
- Department of Psychology, University of Milano-Bicocca, IT
| | | | - Luca Rinaldi
- Department of Brain and Behavioral Sciences, University of Pavia, IT
| | - Samuel Shaki
- Department of Behavioral Sciences, Ariel University, IL
| | - James P. Trujillo
- Max Planck Institute for Psycholinguistics, NL
- Donders Institute for Brain, Cognition and Behaviour, Radboud University, NL
| | - Oksana Tsaregorodtseva
- Department of Psychology, University of Tübingen, DE
- Linguistic Anthropology Laboratory, Tomsk State University, RU
| | - Arthur M. Glenberg
- Department of Psychology, Arizona State University, US
- Department of Psychology, University of Wisconsin-Madison, US
- INICO, Universidad de Salamanca, ES
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3
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Michirev A, Kühne K, Lindemann O, Fischer MH, Raab M. How to not induce SNAs: The insufficiency of directional force. PLoS One 2023; 18:e0288038. [PMID: 37384780 DOI: 10.1371/journal.pone.0288038] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2022] [Accepted: 06/19/2023] [Indexed: 07/01/2023] Open
Abstract
People respond faster to smaller numbers in their left space and to larger numbers in their right space. Here we argue that movements in space contribute to the formation of spatial-numerical associations (SNAs). We studied the impact of continuous isometric forces along the horizontal or vertical cardinal axes on SNAs while participants performed random number production and arithmetic verification tasks. Our results suggest that such isometric directional force do not suffice to induce SNAs.
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Affiliation(s)
- A Michirev
- Department of Performance Psychology, German Sport University Cologne, Cologne, Germany
| | - K Kühne
- Division of Cognitive Sciences, University of Potsdam, Potsdam, Germany
| | - O Lindemann
- Department of Psychology, Education and Child Studies Erasmus University, Rotterdam, Netherlands
| | - M H Fischer
- Division of Cognitive Sciences, University of Potsdam, Potsdam, Germany
| | - M Raab
- Department of Performance Psychology, German Sport University Cologne, Cologne, Germany
- School of Applied Sciences, London South Bank University, London, United Kingdom
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4
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Khatin-Zadeh O, Farsani D, Breda A. How can transforming representation of mathematical entities help us employ more cognitive resources? Front Psychol 2023; 14:1091678. [PMID: 36935991 PMCID: PMC10017447 DOI: 10.3389/fpsyg.2023.1091678] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2022] [Accepted: 02/10/2023] [Indexed: 03/06/2023] Open
Abstract
This article discusses the cognitive process of transforming one representation of mathematical entities into another representation. This process, which has been called mathematical metaphor, allows us to understand and embody a difficult-to-understand mathematical entity in terms of an easy-to-understand entity. When one representation of a mathematical entity is transformed into another representation, more cognitive resources such as the visual and motor systems can come into play to understand the target entity. Because of their nature, some curves, which are one group of visual representations, may have a great motor strength. It is suggested that directedness, straightness, length, and thinness are some possible features that determine degree of motor strength of a curve. Another possible factor that can determine motor strength of a curve is the strength of association between shape of the curve and past experiences of the observer (and her/his prior knowledge). If an individual has had the repetitive experience of observing objects moving along a certain curve, the shape of the curve may have a great motor strength for her/him. In fact, it can be said that some kind of metonymic relationship may be formed between the shapes of some curves and movement experiences.
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Affiliation(s)
- Omid Khatin-Zadeh
- School of Foreign Languages, University of Electronic Science and Technology of China, Chengdu, China
| | - Danyal Farsani
- Norwegian University of Science and Technology, Trondheim, Norway
- *Correspondence: Danyal Farsani,
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5
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de Carvalho Souza AM, Barrocas R, Fischer MH, Arnaud E, Moeller K, Rennó-Costa C. Combining virtual reality and tactile stimulation to investigate embodied finger-based numerical representations. Front Psychol 2023; 14:1119561. [PMID: 37179854 PMCID: PMC10174462 DOI: 10.3389/fpsyg.2023.1119561] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2022] [Accepted: 03/31/2023] [Indexed: 05/15/2023] Open
Abstract
Finger-based representation of numbers is a high-level cognitive strategy to assist numerical and arithmetic processing in children and adults. It is unclear whether this paradigm builds on simple perceptual features or comprises several attributes through embodiment. Here we describe the development and initial testing of an experimental setup to study embodiment during a finger-based numerical task using Virtual Reality (VR) and a low-cost tactile stimulator that is easy to build. Using VR allows us to create new ways to study finger-based numerical representation using a virtual hand that can be manipulated in ways our hand cannot, such as decoupling tactile and visual stimuli. The goal is to present a new methodology that can allow researchers to study embodiment through this new approach, maybe shedding new light on the cognitive strategy behind the finger-based representation of numbers. In this case, a critical methodological requirement is delivering precisely targeted sensory stimuli to specific effectors while simultaneously recording their behavior and engaging the participant in a simulated experience. We tested the device's capability by stimulating users in different experimental configurations. Results indicate that our device delivers reliable tactile stimulation to all fingers of a participant's hand without losing motion tracking quality during an ongoing task. This is reflected by an accuracy of over 95% in participants detecting stimulation of a single finger or multiple fingers in sequential stimulation as indicated by experiments with sixteen participants. We discuss possible application scenarios, explain how to apply our methodology to study the embodiment of finger-based numerical representations and other high-level cognitive functions, and discuss potential further developments of the device based on the data obtained in our testing.
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Affiliation(s)
- Alyson Matheus de Carvalho Souza
- Digital Metropolis Institute, Federal University of Rio Grande do Norte, Natal, Brazil
- Leibniz-Institut für Wissensmedien, Tübingen, Germany
| | | | - Martin H. Fischer
- Department of Psychology, University of Potsdam, Potsdam, Germany
- *Correspondence: Martin H. Fischer,
| | - Emanuel Arnaud
- Digital Metropolis Institute, Federal University of Rio Grande do Norte, Natal, Brazil
| | - Korbinian Moeller
- Leibniz-Institut für Wissensmedien, Tübingen, Germany
- Centre for Mathematical Cognition, School of Science, Loughborough University, Loughborough, United Kingdom
- LEAD Graduate School and Research Network, University of Tuebingen, Tübingen, Germany
| | - César Rennó-Costa
- Digital Metropolis Institute, Federal University of Rio Grande do Norte, Natal, Brazil
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6
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No fingers, no SNARC? Neither the finger counting starting hand, nor its stability robustly affect the SNARC effect. Acta Psychol (Amst) 2022; 230:103765. [DOI: 10.1016/j.actpsy.2022.103765] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2021] [Revised: 07/12/2022] [Accepted: 10/06/2022] [Indexed: 11/21/2022] Open
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7
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Borghi AM, Shaki S, Fischer MH. Abstract concepts: external influences, internal constraints, and methodological issues. PSYCHOLOGICAL RESEARCH 2022; 86:2370-2388. [PMID: 35788903 DOI: 10.1007/s00426-022-01698-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
There is a longstanding and widely held misconception about the relative remoteness of abstract concepts from concrete experiences. This review examines the current evidence for external influences and internal constraints on the processing, representation, and use of abstract concepts, like truth, friendship, and number. We highlight the theoretical benefit of distinguishing between grounded and embodied cognition and then ask which roles do perception, action, language, and social interaction play in acquiring, representing and using abstract concepts. By reviewing several studies, we show that they are, against the accepted definition, not detached from perception and action. Focussing on magnitude-related concepts, we also discuss evidence for cultural influences on abstract knowledge and explore how internal processes such as inner speech, metacognition, and inner bodily signals (interoception) influence the acquisition and retrieval of abstract knowledge. Finally, we discuss some methodological developments. Specifically, we focus on the importance of studies that investigate the time course of conceptual processing and we argue that, because of the paramount role of sociality for abstract concepts, new methods are necessary to study concepts in interactive situations. We conclude that bodily, linguistic, and social constraints provide important theoretical limitations for our theories of conceptual knowledge.
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Affiliation(s)
- Anna M Borghi
- Department of Dynamic and Clinical Psychology, and Health Studies, Sapienza University of Rome, 00185, Rome, Italy.
- Institute of Cognitive Sciences and Technologies, Italian National Research Council, 00185, Rome, Italy.
| | - Samuel Shaki
- Department of Behavioral Sciences, Ariel University, 44837, Ariel, Israel
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Martignon L, Rechtsteiner C. The Benefits of an Interdisciplinary Approach to Mathematics Education on Issues Around Computation in School. Front Psychol 2022; 13:533402. [PMID: 35719530 PMCID: PMC9201396 DOI: 10.3389/fpsyg.2022.533402] [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: 06/03/2020] [Accepted: 05/03/2022] [Indexed: 11/17/2022] Open
Abstract
We present arguments in favor of an interdisciplinary approach in mathematics education. As an instance, we briefly recall how cognitive neuropsychologists promoted intense finger gnosis acquisition, i.e., acquiring the ability to mentally represent one’s fingers, at an early age. Mathematics educators definitely recommended the development of finger gnosis but examined its limits. They also presented arguments in favor of developing flexible mental calculation as a goal of arithmetical instruction in elementary school. In this context we describe the training of “Zahlenblick” as a way to foster flexible mental calculation and connect it with concepts from the theory of metacognition. We illustrate how precisely this branch of metacognition demands further interdisciplinary research. In our analysis, “Zahlenblick” extends to acquiring an eye for proportions, beyond just whole numbers. We illustrate how useful it would be to better understand the neural underpinnings responsible for the advantages of so-called natural frequencies, compared with percentages or probabilities, and of icon arrays for representing them. Such natural frequencies are adequate formats for the early confrontation with decision-making under risk.
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Affiliation(s)
- Laura Martignon
- Institute of Mathematics and Computer Science, Ludwigsburg University of Education, Ludwigsburg, Germany
| | - Charlotte Rechtsteiner
- Institute of Mathematics and Computer Science, Ludwigsburg University of Education, Ludwigsburg, Germany
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9
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Artemenko C, Wortha SM, Dresler T, Frey M, Barrocas R, Nuerk HC, Moeller K. Finger-Based Numerical Training Increases Sensorimotor Activation for Arithmetic in Children—An fNIRS Study. Brain Sci 2022; 12:brainsci12050637. [PMID: 35625023 PMCID: PMC9139726 DOI: 10.3390/brainsci12050637] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2022] [Revised: 04/30/2022] [Accepted: 05/09/2022] [Indexed: 12/04/2022] Open
Abstract
Most children use their fingers when learning to count and calculate. These sensorimotor experiences were argued to underlie reported behavioral associations of finger gnosis and counting with mathematical skills. On the neural level, associations were assumed to originate from overlapping neural representations of fingers and numbers. This study explored whether finger-based training in children would lead to specific neural activation in the sensorimotor cortex, associated with finger movements, as well as the parietal cortex, associated with number processing, during mental arithmetic. Following finger-based training during the first year of school, trained children showed finger-related arithmetic effects accompanied by activation in the sensorimotor cortex potentially associated with implicit finger movements. This indicates embodied finger-based numerical representations after training. Results for differences in neural activation between trained children and a control group in the IPS were less conclusive. This study provides the first evidence for training-induced sensorimotor plasticity in brain development potentially driven by the explicit use of fingers for initial arithmetic, supporting an embodied perspective on the representation of numbers.
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Affiliation(s)
- Christina Artemenko
- Department of Psychology, University of Tuebingen, 72076 Tuebingen, Germany;
- LEAD Graduate School & Research Network, University of Tuebingen, 72072 Tuebingen, Germany; (T.D.); (K.M.)
- Correspondence:
| | - Silke Maria Wortha
- Department of Neurology, University Medicine Greifswald, 17475 Greifswald, Germany;
| | - Thomas Dresler
- LEAD Graduate School & Research Network, University of Tuebingen, 72072 Tuebingen, Germany; (T.D.); (K.M.)
- Department of Psychiatry and Psychotherapy, Tuebingen Center for Mental Health, University Hospital of Tuebingen, 72076 Tuebingen, Germany
| | - Mirjam Frey
- Department Clinical Psychology & Experimental Psychopathology, University of Groningen, 9712 TS Groningen, The Netherlands;
| | | | - Hans-Christoph Nuerk
- Department of Psychology, University of Tuebingen, 72076 Tuebingen, Germany;
- LEAD Graduate School & Research Network, University of Tuebingen, 72072 Tuebingen, Germany; (T.D.); (K.M.)
| | - Korbinian Moeller
- LEAD Graduate School & Research Network, University of Tuebingen, 72072 Tuebingen, Germany; (T.D.); (K.M.)
- Leibniz-Institut für Wissensmedien, 72076 Tuebingen, Germany;
- Centre for Mathematical Cognition, School of Science, Loughborough University, Loughborough LE11 3TU, UK
- Individual Development and Adaptive Education Center, 60323 Frankfurt am Main, Germany
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10
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Felisatti A, Ranzini M, Blini E, Lisi M, Zorzi M. Effects of attentional shifts along the vertical axis on number processing: An eye-tracking study with optokinetic stimulation. Cognition 2021; 221:104991. [PMID: 34968993 DOI: 10.1016/j.cognition.2021.104991] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2021] [Revised: 11/06/2021] [Accepted: 12/10/2021] [Indexed: 11/25/2022]
Abstract
Previous studies suggest that associations between numbers and space are mediated by shifts of visuospatial attention along the horizontal axis. In this study, we investigated the effect of vertical shifts of overt attention, induced by optokinetic stimulation (OKS) and monitored through eye-tracking, in two tasks requiring explicit (number comparison) or implicit (parity judgment) processing of number magnitude. Participants were exposed to black-and-white stripes (OKS) that moved vertically (upward or downward) or remained static (control condition). During the OKS, participants were asked to verbally classify auditory one-digit numbers as larger/smaller than 5 (comparison task; Exp. 1) or as odd/even (parity task; Exp. 2). OKS modulated response times in both experiments. In Exp.1, upward attentional displacement decreased the Magnitude effect (slower responses for large numbers) and increased the Distance effect (slower responses for numbers close to the reference). In Exp.2, we observed a complex interaction between parity, magnitude, and OKS, indicating that downward attentional displacement slowed down responses for large odd numbers. Moreover, eye tracking analyses revealed an influence of number processing on eye movements both in Exp. 1, with eye gaze shifting downwards during the processing of small numbers as compared to large ones; and in Exp. 2, with leftward shifts after large even numbers (6,8) and rightward shifts after large odd numbers (7,9). These results provide evidence of bidirectional links between number and space and extend them to the vertical dimension. Moreover, they document the influence of visuo-spatial attention on processing of numerical magnitude, numerical distance, and parity. Together, our findings are in line with grounded and embodied accounts of numerical cognition.
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Affiliation(s)
| | | | - Elvio Blini
- Department of General Psychology, University of Padua, Italy
| | - Matteo Lisi
- Department of Psychology, University of Essex, UK
| | - Marco Zorzi
- Department of General Psychology, University of Padua, Italy; IRCCS San Camillo Hospital, Venice-Lido, Italy.
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11
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Kreilinger IL, Roesch S, Moeller K, Pixner S. Mastery of structured quantities like finger or dice patterns predict arithmetic performance. Cogn Process 2020; 22:93-104. [DOI: 10.1007/s10339-020-00994-4] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2019] [Accepted: 09/18/2020] [Indexed: 12/01/2022]
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12
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Prete G, Tommasi L. Exploring the interactions among SNARC effect, finger counting direction and embodied cognition. PeerJ 2020; 8:e9155. [PMID: 32435547 PMCID: PMC7227642 DOI: 10.7717/peerj.9155] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2019] [Accepted: 04/18/2020] [Indexed: 11/21/2022] Open
Abstract
The Spatial Numerical Association of Response Code (SNARC) is the preferential association between smaller/larger magnitudes and left/right side, respectively. Some evidence suggest a link between SNARC and a left-to-right finger counting habit. We asked 268 participants to show how they use the hands to count from 1 to 10. By means of this ecological task, 80% of the sample use first the right hand (to count from 1 to 5) and the majority of them use a palm-up posture. In Experiment 2 (N = 46) right-starters were asked to categorize 1-to-5 magnitudes as even or odd, using the left and right hand. Stimuli were presented both as Arabic numbers and by means of left and right hand photographs in palm-up and palm-down posture. Results confirmed the expected SNARC effect in the Arabic condition. With hand images we found that right hand responses were better for larger than for smaller magnitudes (SNARC, mainly for left hand palm-up stimuli), showing that the SNARC can be generalized to different codes. Finally, the interactions between magnitudes and left/right hand images in palm-up and palm-down posture suggest that embodied cognition can influence numerical processing.
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Affiliation(s)
- Giulia Prete
- Department of Psychological, Health and Territorial Sciences, "G. d'Annunzio" University of Chieti-Pescara, Chieti, Italy
| | - Luca Tommasi
- Department of Psychological, Health and Territorial Sciences, "G. d'Annunzio" University of Chieti-Pescara, Chieti, Italy
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Schild U, Bauch A, Nuerk HC. A Finger-Based Numerical Training Failed to Improve Arithmetic Skills in Kindergarten Children Beyond Effects of an Active Non-numerical Control Training. Front Psychol 2020; 11:529. [PMID: 32265812 PMCID: PMC7105809 DOI: 10.3389/fpsyg.2020.00529] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2019] [Accepted: 03/05/2020] [Indexed: 02/05/2023] Open
Abstract
It is widely accepted that finger and number representations are associated: many correlations (including longitudinal ones) between finger gnosis/counting and numerical/arithmetical abilities have been reported. However, such correlations do not necessarily imply causal influence of early finger-number training; even in longitudinal designs, mediating variables may be underlying such correlations. Therefore, we investigated whether there may be a causal relation by means of an extensive experimental intervention in which the impact of finger-number training on initial arithmetic skills was tested in kindergarteners to see whether they benefit from the intervention even before they start formal schooling. The experimental group received 50 training sessions altogether for 10 weeks on a daily basis. A control group received phonology training of a similar duration and intensity. All children improved in the arithmetic tasks. To our surprise and contrary to most accounts in the literature, the improvement shown by the experimental training group was not superior to that of the active control group. We discuss conceptual and methodological reasons why the finger-number training employed in this study did not increase the initial arithmetic skills beyond the unspecific effects of the control intervention.
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Affiliation(s)
- Ulrike Schild
- Department of Psychology, University of Tübingen, Tübingen, Germany
| | - Anne Bauch
- Department of Psychology, University of Tübingen, Tübingen, Germany
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14
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Artemenko C, Sitnikova MA, Soltanlou M, Dresler T, Nuerk HC. Functional lateralization of arithmetic processing in the intraparietal sulcus is associated with handedness. Sci Rep 2020; 10:1775. [PMID: 32020021 PMCID: PMC7000739 DOI: 10.1038/s41598-020-58477-7] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2019] [Accepted: 01/15/2020] [Indexed: 01/06/2023] Open
Abstract
Functional lateralization is established for various cognitive functions, but was hardly ever investigated for arithmetic processing. Most neurocognitive models assume a central role of the bilateral intraparietal sulcus (IPS) in arithmetic processing and there is some evidence for more pronounced left-hemispheric activation for symbolic arithmetic. However, evidence was mainly obtained by studies in right-handers. Therefore, we conducted a functional near-infrared spectroscopy (fNIRS) study, in which IPS activation of left-handed adults was compared to right-handed adults in a symbolic approximate calculation task. The results showed that left-handers had a stronger functional right-lateralization in the IPS than right-handers. This finding has important consequences, as the bilateral IPS activation pattern for arithmetic processing seems to be shaped by functional lateralization and thus differs between left- and right-handers. We propose three possible accounts for the observed functional lateralization of arithmetic processing.
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Affiliation(s)
- Christina Artemenko
- Department of Psychology, University of Tuebingen, Tuebingen, Germany.
- LEAD Graduate School & Research Network, University of Tuebingen, Tuebingen, Germany.
| | - Maria A Sitnikova
- Department of Psychology, Pedagogical Institute, Belgorod National Research University, Belgorod, Russia
- Research and Project Centre for Cognitive Neuroscience and Neurotechnologies, Belgorod National Research University, Belgorod, Russia
| | - Mojtaba Soltanlou
- Department of Psychology, University of Tuebingen, Tuebingen, Germany
- LEAD Graduate School & Research Network, University of Tuebingen, Tuebingen, Germany
| | - Thomas Dresler
- LEAD Graduate School & Research Network, University of Tuebingen, Tuebingen, Germany
- Department of Psychiatry and Psychotherapy, University of Tuebingen, Tuebingen, Germany
| | - Hans-Christoph Nuerk
- Department of Psychology, University of Tuebingen, Tuebingen, Germany
- LEAD Graduate School & Research Network, University of Tuebingen, Tuebingen, Germany
- Research and Project Centre for Cognitive Neuroscience and Neurotechnologies, Belgorod National Research University, Belgorod, Russia
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15
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Fischer U, Huber S, Nuerk HC, Cress U, Moeller K. Spatial Presentations, but Not Response Formats Influence Spatial-Numerical Associations in Adults. Front Psychol 2019; 9:2608. [PMID: 30619009 PMCID: PMC6305423 DOI: 10.3389/fpsyg.2018.02608] [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: 08/14/2018] [Accepted: 12/04/2018] [Indexed: 12/03/2022] Open
Abstract
According to theories of embodied numerosity, processing of numerical magnitude is anchored in bodily experiences. In particular, spatial representations of number interact with movement in physical space, but it is still unclear whether the extent of the movement is relevant for this interaction. In this study, we compared spatial-numerical associations over response movements of differing spatial expansion. We expected spatial-numerical effects to increase with the extent of physical response movements. In addition, we hypothesized that these effects should be influenced by whether or not a spatial representation of numbers was presented. Adult participants performed two tasks: a magnitude classification (comparing numbers to the fixed standard 5), from which we calculated the Spatial Numerical Association of Response Codes (SNARC) effect; and a magnitude comparison task (comparing two numbers against each other), from which we calculated a relative numerical congruity effect (NCE), which describes that when two relatively small numbers are compared, responses to the smaller number are faster than responses to the larger number; and vice versa for large numbers. A SNARC effect was observed across all conditions and was not influenced by response movement extent but increased when a number line was presented. In contrast, an NCE was only observed when no number line was presented. This suggests that the SNARC effect and the NCE reflect two different processes. The SNARC effect seems to represent a highly automated classification of numbers as large or small, which is further emphasized by the presentation of a number line. In contrast, the NCE likely results from participants not only classifying numbers as small or large, but also processing their relative size within the relevant section of their mental number line representation. An additional external presentation of a number line might interfere with this process, resulting in overall slower responses. This study follows up on previous spatial-numerical training studies and has implications for future spatial-numerical trainings. Specifically, similar studies with children showed contrasting results, in that response format but not number line presentation influenced spatial-numerical associations. Accordingly, during development, the relative relevance of physical experiences and presentation format for spatial-numerical associations might change.
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Affiliation(s)
- Ursula Fischer
- Department of Sport Science, University of Konstanz, Konstanz, Germany.,Thurgau University of Teacher Education, Kreuzlingen, Switzerland.,Leibniz-Institut für Wissensmedien, Tübingen, Germany
| | - Stefan Huber
- Leibniz-Institut für Wissensmedien, Tübingen, Germany
| | - Hans-Christoph Nuerk
- Leibniz-Institut für Wissensmedien, Tübingen, Germany.,Department of Psychology, University of Tuebingen, Tübingen, Germany
| | - Ulrike Cress
- Leibniz-Institut für Wissensmedien, Tübingen, Germany.,Department of Psychology, University of Tuebingen, Tübingen, Germany
| | - Korbinian Moeller
- Leibniz-Institut für Wissensmedien, Tübingen, Germany.,Department of Psychology, University of Tuebingen, Tübingen, Germany
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Abstract
The first steps in numerical cognition are usually done in conjunction with fingers. Following the assumption that abstract concepts stay associated with the sensory-motor information that was present during their acquisition and consolidation, mental number representations should always be associated with the respective finger counting components. We tested whether finger movements that imply finger counting actually prime the corresponding number concepts in adults. All participants counted number 1 with their thumb and incremented sequentially to number 5 with their pinky. In the experiment, participants sequentially and repeatedly pressed five buttons from thumb to pinky. Each button press triggered the visual presentation of a random number between 1 and 5 that had to be named aloud, resulting in 20% counting-congruent and 80% counting-incongruent finger-number mappings. Average naming latencies were significantly shorter for congruent than incongruent finger-number combinations. Furthermore, there was a distance effect where primes partly co-activated numerically close target numbers and with decreasing priming for more distant prime-target pairs. Overall, these results provide further evidence that number representations are strongly associated with finger counting experience, making fingers an effective tool for number comprehension.
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Hohol M, Wołoszyn K, Nuerk HC, Cipora K. A large-scale survey on finger counting routines, their temporal stability and flexibility in educated adults. PeerJ 2018; 6:e5878. [PMID: 30402357 PMCID: PMC6215439 DOI: 10.7717/peerj.5878] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2018] [Accepted: 10/05/2018] [Indexed: 11/20/2022] Open
Abstract
A strong link between bodily activity and number processing has been established in recent years. Although numerous observations indicate that adults use finger counting (FC) in various contexts of everyday life for different purposes, existing knowledge of FC routines and their use is still limited. In particular, it remains unknown how stable the (default) FC habits are over time and how flexible they can be. To investigate these questions, 380 Polish participants completed a questionnaire on their FC routines, the stability of these routines, and the context of FC usage, preceded by the request to count on their fingers from 1 to 10. Next, the test-retest stability of FC habits was examined in 84 participants 2 months following the first session. To the best of our knowledge, such a study design has been adopted for the first time. The results indicate that default FC routines of the majority of participants (75%) are relatively stable over time. At the same time, FC routines can flexibly adapt according to the situation (e.g., when holding an object). As regards prevalence, almost all participants, in line with previous findings on Western individuals, declared starting from the closed palm and extending consecutive fingers. Furthermore, we observed relations between FC preferences and handedness (more left-handers start from the left hand) and that actual finger use is still widespread in healthy adults for a variety of activities (the most prevalent uses of FC are listing elements, presenting arguments and plans, and calendar calculations). In sum, the results show the practical relevance of FC in adulthood, the relative stability of preferences over time along with flexible adaptation to a current situation, as well as an association of FC routines with handedness. Taken together our results suggest that FC is the phenomenon, which is moderated or mediated by multiple embodied factors.
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Affiliation(s)
- Mateusz Hohol
- Copernicus Center for Interdisciplinary Studies, Jagiellonian University, Cracow, Poland
- Section of Cognitive Science, Institute of Philosophy and Sociology, Polish Academy of Science, Warsaw, Poland
| | - Kinga Wołoszyn
- Psychophysiology Laboratory, Institute of Psychology, Jagiellonian University, Cracow, Poland
| | - Hans-Christoph Nuerk
- Department of Psychology, University of Tuebingen, Tuebingen, Germany
- LEAD Graduate School & Research Network, University of Tuebingen, Tuebingen, Germany
- Leibnitz-Institut für Wissenmedien, Tuebingen, Germany
| | - Krzysztof Cipora
- Department of Psychology, University of Tuebingen, Tuebingen, Germany
- LEAD Graduate School & Research Network, University of Tuebingen, Tuebingen, Germany
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de Chambrier AF, Thevenot C, Barrouillet P, Zesiger P. Frequency of finger looking during finger counting is related to children's working memory capacities. JOURNAL OF COGNITIVE PSYCHOLOGY 2018. [DOI: 10.1080/20445911.2018.1502190] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
Affiliation(s)
| | | | - Pierre Barrouillet
- Faculty of Psychology and Educational Sciences, University of Geneva, Geneva, Switzerland
| | - Pascal Zesiger
- Faculty of Psychology and Educational Sciences, University of Geneva, Geneva, Switzerland
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Cipora K, Schroeder PA, Soltanlou M, Nuerk HC. More Space, Better Mathematics: Is Space a Powerful Tool or a Cornerstone for Understanding Arithmetic? VISUALIZING MATHEMATICS 2018. [DOI: 10.1007/978-3-319-98767-5_4] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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Fischer U, Suggate SP, Schmirl J, Stoeger H. Counting on fine motor skills: links between preschool finger dexterity and numerical skills. Dev Sci 2017; 21:e12623. [PMID: 29071796 DOI: 10.1111/desc.12623] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2017] [Accepted: 08/20/2017] [Indexed: 11/26/2022]
Abstract
Finger counting is widely considered an important step in children's early mathematical development. Presumably, children's ability to move their fingers during early counting experiences to aid number representation depends in part on their early fine motor skills (FMS). Specifically, FMS should link to children's procedural counting skills through consistent repetition of finger-counting procedures. Accordingly, we hypothesized that (a) FMS are linked to early counting skills, and (b) greater FMS relate to conceptual counting knowledge (e.g., cardinality, abstraction, order irrelevance) via procedural counting skills (i.e., one-one correspondence and correctness of verbal counting). Preschool children (N = 177) were administered measures of procedural counting skills, conceptual counting knowledge, FMS, and general cognitive skills along with parent questionnaires on home mathematics and fine motor environment. FMS correlated with procedural counting skills and conceptual counting knowledge after controlling for cognitive skills, chronological age, home mathematics and FMS environments. Moreover, the relationship between FMS and conceptual counting knowledge was mediated by procedural counting skills. Findings suggest that FMS play a role in early counting and therewith conceptual counting knowledge.
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Affiliation(s)
- Ursula Fischer
- Department of Educational Sciences, University of Regensburg, Regensburg, Germany
| | - Sebastian P Suggate
- Department of Educational Sciences, University of Regensburg, Regensburg, Germany
| | - Judith Schmirl
- Department of Educational Sciences, University of Regensburg, Regensburg, Germany
| | - Heidrun Stoeger
- Department of Educational Sciences, University of Regensburg, Regensburg, Germany
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Lachmair M, Cress U, Fissler T, Kurek S, Leininger J, Nuerk HC. Music-space associations are grounded, embodied and situated: examination of cello experts and non-musicians in a standard tone discrimination task. PSYCHOLOGICAL RESEARCH 2017; 83:894-906. [PMID: 28744607 PMCID: PMC6557872 DOI: 10.1007/s00426-017-0898-y] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2016] [Accepted: 07/20/2017] [Indexed: 11/29/2022]
Abstract
In recent research, a systematic association of musical pitch with space has been described in the so-called Spatial-Pitch-Association-of-Response Codes-effect (SPARC). Typically, high pitch is associated with upper/right and low pitch with lower/left space. However, a theoretical classification of these associations regarding their experiential sources is difficult. Therefore, we applied a theoretical framework of numerical cognition classifying similar Space-Associated Response Codes (SARC) effects according to their groundedness, embodiedness and situatedness. We tested these attributes with a group of non-musicians and with a group of highly skilled cello players playing high tones with lower hand positions (i.e., reverse SPARC alignment) in a standard SPARC context of a piano and a reversed SPARC context of a cello. The results showed that SPARC is grounded, in general. However, for cello player SPARC is also situated and embodied. We conclude that groundedness, embodiedness and situatedness provide general characteristics of mapping cognitive representations to space.
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Affiliation(s)
- Martin Lachmair
- Leibniz-Institut für Wissensmedien, Schleichstraße 6, 72076, Tübingen, Germany.
| | - Ulrike Cress
- Department of Psychology, University of Tübingen, Tübingen, Germany.,Leibniz-Institut für Wissensmedien, Schleichstraße 6, 72076, Tübingen, Germany.,LEAD Graduate School and Research Network, Tübingen, Germany
| | - Tim Fissler
- Department of Psychology, University of Tübingen, Tübingen, Germany
| | - Simone Kurek
- Department of Psychology, University of Tübingen, Tübingen, Germany
| | - Jan Leininger
- Department of Psychology, University of Tübingen, Tübingen, Germany
| | - Hans-Christoph Nuerk
- Department of Psychology, University of Tübingen, Tübingen, Germany.,Leibniz-Institut für Wissensmedien, Schleichstraße 6, 72076, Tübingen, Germany.,LEAD Graduate School and Research Network, Tübingen, Germany
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A helping hand putting in order: Visuomotor routines organize numerical and non-numerical sequences in space. Cognition 2016; 152:40-52. [PMID: 27015351 DOI: 10.1016/j.cognition.2016.03.003] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2015] [Revised: 03/01/2016] [Accepted: 03/05/2016] [Indexed: 11/23/2022]
Abstract
Theories of embodied cognition emphasize the importance of sensorimotor schemas linked to external world experience for representing conceptual knowledge. Accordingly, some researchers have proposed that the spatial representation of numerical and non-numerical sequences relies on visuomotor routines, like reading habit and finger counting. There is a growing interest in how these two routines contribute to the spatial representation of ordinal sequences, although no investigation has so far directly compared them. The present study aims to investigate how these routines contribute to represent ordinal information in space. To address this issue, bilingual participants reading either from left-to-right or right-to-left were required to map ordinal information to all fingers of their right dominant hand. Critically, we manipulated both the direction of the mapping and the language of the verbal information. More specifically, a finger-mapping compatibility task was adopted in three experiments to explore the spatial representation of numerical (digit numbers and number words) and non-numerical (days of the week, presented in Hebrew and in English) sequences. Results showed that numerical information was preferentially mapped according to participants' finger counting habits, regardless of hand posture (prone and supine), number notation and reading habit. However, for non-numerical ordinal sequences, reading and finger counting directions both contributed to determine a preferential spatial mapping. These findings indicate that abstract knowledge representation relies on multiple over-trained visuomotor routines. More generally, these results highlight the capacity of our cognitive system to flexibly represent abstract ordered information, by relying on different directional experiences (finger counting, reading direction) depending on the stimuli and on the task at hand.
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Rinaldi L, Gallucci M, Girelli L. Spatial-numerical consistency impacts on preschoolers’ numerical representation: Children can count on both peripersonal and personal space. COGNITIVE DEVELOPMENT 2016. [DOI: 10.1016/j.cogdev.2015.10.006] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Fabbri M, Guarini A. Finger counting habit and spatial-numerical association in children and adults. Conscious Cogn 2015; 40:45-53. [PMID: 26748025 DOI: 10.1016/j.concog.2015.12.012] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2015] [Revised: 12/14/2015] [Accepted: 12/27/2015] [Indexed: 11/20/2022]
Abstract
Sensory-motor experiences are known to build up concrete and abstract concepts during the lifespan. The present study aimed to test how finger counting habits (right-hand vs. left-hand starters) could influence the spatial-numerical representation in number-to-position (explicit) and digit-string bisection (implicit) tasks. The subjects were Italian primary school children (N=184, from the first to the fifth year) and adults (N=42). No general preference for right- or left-starting in the finger counting was found. In the explicit task, right- or left-starting did not affect performance. In the implicit task, the right-hand starters shifted from the left to the right space when bisecting small and large numbers respectively, while the left-hand starters shifted from the right to the left space with higher leftward bias for large numbers. The finger configuration in Italian children and adults influences the spatial-numerical representation, but only when implicit number processing is required by the task.
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Affiliation(s)
- Marco Fabbri
- Department of Psychology, Second University of Naples, Italy.
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Cheng X, Ge H, Andoni D, Ding X, Fan Z. Composite body movements modulate numerical cognition: evidence from the motion-numerical compatibility effect. Front Psychol 2015; 6:1692. [PMID: 26594188 PMCID: PMC4633497 DOI: 10.3389/fpsyg.2015.01692] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2015] [Accepted: 10/20/2015] [Indexed: 11/13/2022] Open
Abstract
A recent hierarchical model of numerical processing, initiated by Fischer and Brugger (2011) and Fischer (2012), suggested that situated factors, such as different body postures and body movements, can influence the magnitude representation and bias numerical processing. Indeed, Loetscher et al. (2008) found that participants’ behavior in a random number generation task was biased by head rotations. More small numbers were reported after leftward than rightward head turns, i.e., a motion-numerical compatibility effect. Here, by carrying out two experiments, we explored whether similar motion-numerical compatibility effects exist for movements of other important body components, e.g., arms, and for composite body movements as well, which are basis for complex human activities in many ecologically meaningful situations. In Experiment 1, a motion-numerical compatibility effect was observed for lateral rotations of two body components, i.e., the head and arms. Relatively large numbers were reported after making rightward compared to leftward movements for both lateral head and arm turns. The motion-numerical compatibility effect was observed again in Experiment 2 when participants were asked to perform composite body movements of congruent movement directions, e.g., simultaneous head left turns and arm left turns. However, it disappeared when the movement directions were incongruent, e.g., simultaneous head left turns and arm right turns. Taken together, our results extended Loetscher et al.’s (2008) finding by demonstrating that their effect is effector-general and exists for arm movements. Moreover, our study reveals for the first time that the impact of spatial information on numerical processing induced by each of the two sensorimotor-based situated factors, e.g., a lateral head turn and a lateral arm turn, can cancel each other out.
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Affiliation(s)
- Xiaorong Cheng
- Key Laboratory of Adolescent Cyberpsychology and Behavior (CCNU), Ministry of Education Wuhan, China ; School of Psychology, Central China Normal University (CCNU) Wuhan, China
| | - Hui Ge
- Department of Public Education, Tibet Vocational Technical College Lhasa, China
| | - Deljfina Andoni
- Key Laboratory of Adolescent Cyberpsychology and Behavior (CCNU), Ministry of Education Wuhan, China ; School of Psychology, Central China Normal University (CCNU) Wuhan, China
| | - Xianfeng Ding
- Key Laboratory of Adolescent Cyberpsychology and Behavior (CCNU), Ministry of Education Wuhan, China ; School of Psychology, Central China Normal University (CCNU) Wuhan, China
| | - Zhao Fan
- Key Laboratory of Adolescent Cyberpsychology and Behavior (CCNU), Ministry of Education Wuhan, China ; School of Psychology, Central China Normal University (CCNU) Wuhan, China
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Zago L, Badets A. What Is the Role of Manual Preference in Hand-Digit Mapping During Finger Counting? A Study in a Large Sample of Right- and Left-Handers. Perception 2015; 45:125-35. [PMID: 26562861 DOI: 10.1177/0301006615602628] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
The goal of the present study was to test whether there is a relationship between manual preference and hand-digit mapping in 369 French adults with similar numbers of right- and left-handers. Manual laterality was evaluated with the finger tapping test to evaluate hand motor asymmetry, and the Edinburgh handedness inventory was used to assess manual preference strength (MPS) and direction. Participants were asked to spontaneously "count on their fingers from 1 to 10" without indications concerning the hand(s) to be used. The results indicated that both MPS and hand motor asymmetry affect the hand-starting preference for counting. Left-handers with a strong left-hand preference (sLH) or left-hand motor asymmetry largely started to count with their left hand (left-starter), while right-handers with a strong right-hand preference (sRH) or right-hand motor asymmetry largely started to count with their right hand (right-starter). Notably, individuals with weak MPS did not show a hand-starting preference. These findings demonstrated that manual laterality contributes to finger counting directionality. Lastly, the results showed a higher proportion of sLH left-starter individuals compared with sRH right-starters, indicating an asymmetric bias of MPS on hand-starting preference. We hypothesize that the higher proportion of sLH left-starters could be explained by the congruence between left-to-right hand-digit mapping and left-to-right mental number line representation that has been largely reported in the literature. Taken together, these results indicate that finger-counting habits integrate biological and cultural information.
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Affiliation(s)
- Laure Zago
- Groupe d'Imagerie Neurofonctionnelle (GIN), Université de Bordeaux, Bordeaux, France
| | - Arnaud Badets
- Groupe d'Imagerie Neurofonctionnelle (GIN), Université de Bordeaux, Bordeaux, France
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Winter B, Matlock T, Shaki S, Fischer MH. Mental number space in three dimensions. Neurosci Biobehav Rev 2015; 57:209-19. [DOI: 10.1016/j.neubiorev.2015.09.005] [Citation(s) in RCA: 78] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2015] [Revised: 09/01/2015] [Accepted: 09/08/2015] [Indexed: 11/27/2022]
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Abstract
It is reported that a canonical and cultural finger counting habit influences the spatial-numerical association. The digit ratio (the ratio between the lengths of the index and ring fingers as a putative indicator of prenatal androgen exposure) also plays an effect on space-number representation, reflecting a stronger left-to-right number representation in people with a short index finger and longer ring finger (i.e., 2D:4D ratio). It is unknown whether the finger counting habit and digit ratio have an effect on spatial-numerical association independently from each other or whether they interact with each other. In Study 1, the digit ratio and finger counting mapping were recorded in right handers. The participants performed number-to-position, digit string bisection, and physical line bisection tasks. In the number-to-position task, a finger counting effect was found, as well as a significant interaction between factors. A digit ratio effect was observed in the digit string bisection task. In Study 2, digit ratio and finger counting mapping were recorded in right and left handers. The results showed that the finger counting habit influenced the spatial biases in both numerical tasks. A significant interaction between finger counting and digit ratio was found in both numerical tasks when only the left hand was considered. The results are discussed considering the embodied nature of the spatial-numerical association.
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Affiliation(s)
- Marco Fabbri
- Department of Psychology, Second University of Naples, Italy
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Professional mathematicians differ from controls in their spatial-numerical associations. PSYCHOLOGICAL RESEARCH 2015; 80:710-26. [PMID: 26063316 PMCID: PMC4889706 DOI: 10.1007/s00426-015-0677-6] [Citation(s) in RCA: 47] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2014] [Accepted: 05/22/2015] [Indexed: 11/25/2022]
Abstract
While mathematically impaired individuals have been shown to have deficits in all kinds of basic numerical representations, among them spatial-numerical associations, little is known about individuals with exceptionally high math expertise. They might have a more abstract magnitude representation or more flexible spatial associations, so that no automatic left/small and right/large spatial-numerical association is elicited. To pursue this question, we examined the Spatial Numerical Association of Response Codes (SNARC) effect in professional mathematicians which was compared to two control groups: Professionals who use advanced math in their work but are not mathematicians (mostly engineers), and matched controls. Contrarily to both control groups, Mathematicians did not reveal a SNARC effect. The group differences could not be accounted for by differences in mean response speed, response variance or intelligence or a general tendency not to show spatial-numerical associations. We propose that professional mathematicians possess more abstract and/or spatially very flexible numerical representations and therefore do not exhibit or do have a largely reduced default left-to-right spatial-numerical orientation as indexed by the SNARC effect, but we also discuss other possible accounts. We argue that this comparison with professional mathematicians also tells us about the nature of spatial-numerical associations in persons with much less mathematical expertise or knowledge.
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Patro K, Nuerk HC, Cress U. Does your body count? Embodied influences on the preferred counting direction of preschoolers. JOURNAL OF COGNITIVE PSYCHOLOGY 2015. [DOI: 10.1080/20445911.2015.1008005] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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Roesch S, Moeller K. Considering digits in a current model of numerical development. Front Hum Neurosci 2015; 8:1062. [PMID: 25628559 PMCID: PMC4292462 DOI: 10.3389/fnhum.2014.01062] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2014] [Accepted: 12/22/2014] [Indexed: 11/13/2022] Open
Abstract
Numerical cognition has long been considered the perfect example of abstract information processing. Nevertheless, there is accumulating evidence in recent years suggesting that the representation of number magnitude may not be entirely abstract but may present a specific case of embodied cognition rooted in the sensory and bodily experiences of early finger counting and calculating. However, so far none of the existing models of numerical development considers the influence of finger-based representations. Therefore, we make first suggestions on (i) how finger-based representations may be integrated into a current model of numerical development; and (ii) how they might corroborate the acquisition of basic numerical competencies at different development levels.
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Affiliation(s)
| | - Korbinian Moeller
- Knowledge Media Research Center Tuebingen, Germany ; Department of Psychology, Eberhard-Karls University Tuebingen, Germany
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Knudsen B, Fischer MH, Aschersleben G. Development of spatial preferences for counting and picture naming. PSYCHOLOGICAL RESEARCH 2014; 79:939-49. [PMID: 25326847 DOI: 10.1007/s00426-014-0623-z] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2014] [Accepted: 10/14/2014] [Indexed: 11/30/2022]
Abstract
The direction of object enumeration reflects children's enculturation but previous work on the development of such spatial preferences has been inconsistent. Therefore, we documented directional preferences in finger counting, object counting, and picture naming for children (4 groups from 3 to 6 years, N = 104) and adults (N = 56). We found a right-side preference for finger counting in 3- to 6-year-olds and a left-side preference for counting objects and naming pictures by 6 years of age. Children were consistent in their special preferences when comparing object counting and picture naming, but not in other task pairings. Finally, spatial preferences were not related to cardinality comprehension. These results, together with other recent work, suggest a gradual development of spatial-numerical associations from early non-directional mappings into culturally constrained directional mappings.
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Affiliation(s)
- Birgit Knudsen
- Saarland University, Campus Gebäude A 1.3, 66123, Saarbrücken, Germany.
| | - Martin H Fischer
- University of Potsdam, Karl - Liebknecht Str. 24/25, 14476, Potsdam, Germany.
| | - Gisa Aschersleben
- Saarland University, Campus Gebäude A 1.3, 66123, Saarbrücken, Germany.
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Wasner M, Moeller K, Fischer MH, Nuerk HC. Related but not the same: Ordinality, cardinality and 1-to-1 correspondence in finger-based numerical representations. JOURNAL OF COGNITIVE PSYCHOLOGY 2014. [DOI: 10.1080/20445911.2014.964719] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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Pinhas M, Shaki S, Fischer MH. Heed the Signs: Operation Signs have Spatial Associations. Q J Exp Psychol (Hove) 2014; 67:1527-40. [DOI: 10.1080/17470218.2014.892516] [Citation(s) in RCA: 41] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
Mental arithmetic shows systematic spatial biases. The association between numbers and space is well documented, but it is unknown whether arithmetic operation signs also have spatial associations and whether or not they contribute to spatial biases found in arithmetic. Adult participants classified plus and minus signs with left and right button presses under two counterbalanced response rules. Results from two experiments showed that spatially congruent responses (i.e., right-side responses for the plus sign and left-side responses for the minus sign) were responded to faster than spatially incongruent ones (i.e., left-side responses for the plus sign and right-side responses for the minus sign). We also report correlations between this novel operation sign spatial association (OSSA) effect and other spatial biases in number processing. In a control experiment with no explicit processing requirements for the operation signs there were no sign-related spatial biases. Overall, the results suggest that (a) arithmetic operation signs can evoke spatial associations (OSSA), (b) experience with arithmetic operations probably underlies the OSSA, and (c) the OSSA only partially contributes to spatial biases in arithmetic.
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Affiliation(s)
- Michal Pinhas
- Department of Psychology, Ben-Gurion University of the Negev, Beer-Sheva, Israel
| | - Samuel Shaki
- Department of Behavioral Sciences, Ariel University, Ariel, Israel
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