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Hamaoui J, Ocklenburg S, Segond H. Perinatal adversities as a common factor underlying the association between atypical laterality and neurodevelopmental disorders: A developmental perspective. Psychophysiology 2024:e14676. [PMID: 39198978 DOI: 10.1111/psyp.14676] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2024] [Revised: 07/15/2024] [Accepted: 08/16/2024] [Indexed: 09/01/2024]
Abstract
Several neurodevelopmental disorders are associated with a higher prevalence of atypical laterality (e.g., left-handedness). Both genetic and non-genetic factors play a role in this association, yet the underlying neurobiological mechanisms are largely unclear. Recent studies have found that stress, mediated by the hypothalamic-pituitary-adrenal (HPA) axis, could be linked to laterality development. These findings provide an opportunity to explore new theoretical perspectives on the association between atypical laterality and neurodevelopmental disorders. This article aims to provide a theoretical framework demonstrating how perinatal adversities could disrupt the typical developmental trajectories of both laterality and neurodevelopment, potentially impacting both the HPA axis and the vestibular system. Additionally, we argue that the relationship between atypical laterality and neurodevelopmental disorders cannot be understood by simply linking genetic and non-genetic factors to a diagnosis, but the developmental trajectories must be considered. Based on these ideas, several perspectives for future research are proposed.
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Affiliation(s)
- Jad Hamaoui
- Azrieli Research Center of Sainte-Justine University Hospital, Montreal, Quebec, Canada
- School of Psychoeducation, University of Montreal, Montreal, Quebec, Canada
| | - Sebastian Ocklenburg
- Department of Psychology, MSH Medical School Hamburg, Hamburg, Germany
- ICAN Institute for Cognitive and Affective Neuroscience, MSH Medical School Hamburg, Hamburg, Germany
- Institute of Cognitive Neuroscience, Biopsychology, Faculty of Psychology, Ruhr University Bochum, Bochum, Germany
| | - Hervé Segond
- Laboratoire de Psychologie des Cognitions, Department and faculty of Psychology, University of Strasbourg, Strasbourg, France
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2
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Packheiser J, Papadatou-Pastou M, Koufaki A, Paracchini S, Stein CC, Schmitz J, Ocklenburg S. Elevated levels of mixed-hand preference in dyslexia: Meta-analyses of 68 studies. Neurosci Biobehav Rev 2023; 154:105420. [PMID: 37783301 DOI: 10.1016/j.neubiorev.2023.105420] [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: 08/01/2023] [Revised: 09/26/2023] [Accepted: 09/28/2023] [Indexed: 10/04/2023]
Abstract
Since almost a hundred years, psychologists have investigated the link between hand preference and dyslexia. We present a meta-analysis to determine whether there is indeed an increase in atypical hand preference in dyslexia. We included studies used in two previous meta-analyses (Bishop, 1990; Eglinton & Annett, 1994) as well as studies identified through PubMed MEDLINE, PsycInfo, Google Scholar, and Web of Science up to August 2022. K = 68 studies (n = 4660 individuals with dyslexia; n = 40845 controls) were entered into three random effects meta-analyses using the odds ratio as the effect size (non-right-handers; left-handers; mixed-handers vs. total). Evidence of elevated levels of atypical hand preference in dyslexia emerged that were especially pronounced for mixed-hand preference (OR = 1.57), although this category was underdefined. Differences in (direction or degree) of hand skill or degree of hand preference could not be assessed as no pertinent studies were located. Our findings allow for robust conclusions only for a relationship of mixed-hand preference with dyslexia.
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Affiliation(s)
- Julian Packheiser
- Social Brain Lab, Netherlands Institute for Neuroscience, Amsterdam, the Netherlands
| | - Marietta Papadatou-Pastou
- School of Education, National and Kapodistrian University of Athens, Athens, Greece; BioMedical Research Foundation of the Academy of Athens, Athens, Greece.
| | - Angeliki Koufaki
- School of Education, National and Kapodistrian University of Athens, Athens, Greece
| | | | - Clara C Stein
- Division of Forensic Psychiatry, Department of Psychiatry, Psychotherapy, and Preventive Medicine, LWL-University Hospital Bochum, Bochum, Germany
| | - Judith Schmitz
- Biological Personality Psychology, Georg-August-University Goettingen, Goettingen, Germany
| | - Sebastian Ocklenburg
- Department of Psychology, Medical School Hamburg, Hamburg, Germany; ICAN Institute for Cognitive and Affective Neuroscience, Medical School Hamburg, Hamburg, Germany; Institute of Cognitive Neuroscience, Biopsychology, Department of Psychology, Ruhr-University Bochum, Bochum, Germany
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3
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Limb Preference in Animals: New Insights into the Evolution of Manual Laterality in Hominids. Symmetry (Basel) 2022. [DOI: 10.3390/sym14010096] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023] Open
Abstract
Until the 1990s, the notion of brain lateralization—the division of labor between the two hemispheres—and its more visible behavioral manifestation, handedness, remained fiercely defined as a human specific trait. Since then, many studies have evidenced lateralized functions in a wide range of species, including both vertebrates and invertebrates. In this review, we highlight the great contribution of comparative research to the understanding of human handedness’ evolutionary and developmental pathways, by distinguishing animal forelimb asymmetries for functionally different actions—i.e., potentially depending on different hemispheric specializations. Firstly, lateralization for the manipulation of inanimate objects has been associated with genetic and ontogenetic factors, with specific brain regions’ activity, and with morphological limb specializations. These could have emerged under selective pressures notably related to the animal locomotion and social styles. Secondly, lateralization for actions directed to living targets (to self or conspecifics) seems to be in relationship with the brain lateralization for emotion processing. Thirdly, findings on primates’ hand preferences for communicative gestures accounts for a link between gestural laterality and a left-hemispheric specialization for intentional communication and language. Throughout this review, we highlight the value of functional neuroimaging and developmental approaches to shed light on the mechanisms underlying human handedness.
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Boulinguez-Ambroise G, Pouydebat E, Disarbois É, Meguerditchian A. Maternal cradling bias in baboons: The first environmental factor affecting early infant handedness development? Dev Sci 2021; 25:e13179. [PMID: 34626051 DOI: 10.1111/desc.13179] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2021] [Revised: 09/25/2021] [Accepted: 09/28/2021] [Indexed: 01/19/2023]
Abstract
The most emblematic behavioral manifestation of human brain asymmetries is handedness. While the precise mechanisms behind the development of handedness are still widely debated, empirical evidences highlight that besides genetic factors, environmental factors may play a crucial role. As one of these factors, maternal cradling behavior may play a key role in the emergence of early handedness in the offspring. In the present study we followed 41 Papio anubis infants living in social groups with their mother for which direction (e.g., left- or right-arm) and degree of maternal cradling-side bias were available from a previous published study. We assessed hand preferences for an unimanual grasping task at three developmental stages: (A) 0-4, (B) 4-6, and (C) 9-10 months of age. We found that individual hand preferences for grasping exist as soon as the first months of age, with a population-level left-handedness predominance, being stable until 6 months; to wit the period during which juveniles are mainly carried by their mothers. More importantly, this early postnatal handedness is positively correlated with maternal cradling lateralization. Interestingly, hand preferences assessed later in the development, once juveniles are no longer carried (i.e., from 9 to 10 months of age), are less dependent from the maternal cradling bias and less consistent with the earlier developmental stages, especially in infants initially cradled on the right maternal side. Our findings suggest that the ontogenetic dynamics of the infant's hand preference and its changes might ultimately rely on the degree of infant dependence from the mother across development.
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Affiliation(s)
- Grégoire Boulinguez-Ambroise
- Laboratoire de Psychologie Cognitive UMR7290, CNRS, Institut Language, Communication and the Brain, Aix-Marseille Univ, Paris, France.,Station de Primatologie CNRS, Rousset-sur-Arc, Paris, France.,Mecanismes Adaptatifs et Évolution UMR 7179-CNRS - National Museum of Natural History, Paris, France
| | - Emmanuelle Pouydebat
- Mecanismes Adaptatifs et Évolution UMR 7179-CNRS - National Museum of Natural History, Paris, France
| | - Éloïse Disarbois
- Laboratoire de Psychologie Cognitive UMR7290, CNRS, Institut Language, Communication and the Brain, Aix-Marseille Univ, Paris, France
| | - Adrien Meguerditchian
- Laboratoire de Psychologie Cognitive UMR7290, CNRS, Institut Language, Communication and the Brain, Aix-Marseille Univ, Paris, France.,Station de Primatologie CNRS, Rousset-sur-Arc, Paris, France
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5
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Handedness Development: A Model for Investigating the Development of Hemispheric Specialization and Interhemispheric Coordination. Symmetry (Basel) 2021. [DOI: 10.3390/sym13060992] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023] Open
Abstract
The author presents his perspective on the character of science, development, and handedness and relates these to his investigations of the early development of handedness. After presenting some ideas on what hemispheric specialization of function might mean for neural processing and how handedness should be assessed, the neuroscience of control of the arms/hands and interhemispheric communication and coordination are examined for how developmental processes can affect these mechanisms. The author’s work on the development of early handedness is reviewed and placed within a context of cascading events in which different forms of handedness emerge from earlier forms but not in a deterministic manner. This approach supports a continuous rather than categorical distribution of handedness and accounts for the predominance of right-handedness while maintaining a minority of left-handedness. Finally, the relation of the development of handedness to the development of several language and cognitive skills is examined.
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Papadatou-Pastou M, Panagiotidou DA, Abbondanza F, Fischer U, Paracchini S, Karagiannakis G. Hand preference and Mathematical Learning Difficulties: New data from Greece, the United Kingdom, and Germany and two meta-analyses of the literature. Laterality 2021; 26:485-538. [PMID: 33823756 DOI: 10.1080/1357650x.2021.1906693] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
Increased rates of atypical handedness are observed in neurotypical individuals who are low-performing in mathematical tasks as well as in individuals with special educational needs, such as dyslexia. This is the first investigation of handedness in individuals with Mathematical Learning Difficulties (MLD). We report three new studies (N = 134; N = 1,893; N = 153) and two sets of meta-analyses (22 studies; N = 3,667). No difference in atypical hand preference between MLD and Typically Achieving (TA) individuals was found when handedness was assessed with self-report questionnaires, but weak evidence of a difference was found when writing hand was the handedness criterion in Study 1 (p = .049). Similarly, when combining data meta-analytically, no hand preference differences were detected. We suggest that: (i) potential handedness effects require larger samples, (ii) direction of hand preference is not a sensitive enough measure of handedness in this context, or that (iii) increased rates of atypical hand preference are not associated with MLD. The latter scenario would suggest that handedness is specifically linked to language-related conditions rather than conditions related to cognitive abilities at large. Future studies need to consider hand skill and degree of hand preference in MLD.
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Affiliation(s)
- Marietta Papadatou-Pastou
- School of Education, National and Kapodistrian University of Athens, Athens, Greece.,Biomedical Research Foundation of the Academy of Athens, Athens, Greece
| | | | - Filippo Abbondanza
- School of Medicine, North Haugh, University of St Andrews, St Andrews, UK
| | - Ursula Fischer
- Department of Sport Science, University of Konstanz, Konstanz, Germany
| | - Silvia Paracchini
- School of Medicine, North Haugh, University of St Andrews, St Andrews, UK
| | - Giannis Karagiannakis
- Department of Psychology, National and Kapodistrian University of Athens, Athens, Greece
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Malatesta G, Marzoli D, Prete G, Tommasi L. Human Lateralization, Maternal Effects and Neurodevelopmental Disorders. Front Behav Neurosci 2021; 15:668520. [PMID: 33828467 PMCID: PMC8019713 DOI: 10.3389/fnbeh.2021.668520] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2021] [Accepted: 03/04/2021] [Indexed: 11/29/2022] Open
Abstract
In humans, behavioral laterality and hemispheric asymmetries are part of a complex biobehavioral system in which genetic factors have been repeatedly proposed as developmental determinants of both phenomena. However, no model solely based on genetic factors has proven conclusive, pushing towards the inclusion of environmental and epigenetic factors into the system. Moreover, it should be pointed out that epigenetic modulation might also account for why certain genes are expressed differently in parents and offspring. Here, we suggest the existence of a sensitive period in early postnatal development, during which the exposure to postural and motor lateral biases, expressed in interactive sensorimotor coordination with the caregiver, canalizes hemispheric lateralization in the “typical” direction. Despite newborns and infants showing their own inherent asymmetries, the canalizing effect of the interactive context owes most to adult caregivers (usually the mother), whose infant-directed lateralized behavior might have been specifically selected for as a population-level trait, functional to confer fitness to offspring. In particular, the case of the left-cradling bias (LCB; i.e., the population-level predisposition of mothers to hold their infants on the left side) represents an instance of behavioral trait exhibiting heritability along the maternal line, although no genetic investigation has been carried out so far. Recent evidence, moreover, seems to suggest that the reduction of this asymmetry is related to several unfavorable conditions, including neurodevelopmental disorders. Future studies are warranted to understand whether and how genetic and epigenetic factors affect the lateralization of early mother-infant interaction and the proneness of the offspring to neurodevelopmental disorders.
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Affiliation(s)
- Gianluca Malatesta
- Department of Psychological, Health and Territorial Sciences, University "G. d'Annunzio" of Chieti and Pescara, Chieti, Italy
| | - Daniele Marzoli
- Department of Psychological, Health and Territorial Sciences, University "G. d'Annunzio" of Chieti and Pescara, Chieti, Italy
| | - Giulia Prete
- Department of Psychological, Health and Territorial Sciences, University "G. d'Annunzio" of Chieti and Pescara, Chieti, Italy
| | - Luca Tommasi
- Department of Psychological, Health and Territorial Sciences, University "G. d'Annunzio" of Chieti and Pescara, Chieti, Italy
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Kershner JR. Dyslexia as an adaptation to cortico-limbic stress system reactivity. Neurobiol Stress 2020; 12:100223. [PMID: 32435671 PMCID: PMC7231974 DOI: 10.1016/j.ynstr.2020.100223] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2019] [Revised: 03/07/2020] [Accepted: 04/09/2020] [Indexed: 02/08/2023] Open
Abstract
A new school of thought in evolutionary developmental biology, combined with research in the neurobiology of stress, suggest that early exposure to stressful circumstances may be a cause of dyslexia. A balance between epigenetic, stress-induced and cognitive-growth genetic programs modulates the brain's cellular, regional, and network homeostasis. This balance is essential for adaptability to the normative range of everyday stress. However, even mild chronic stress exposition may overactivate the hypothalmic-pituitary-adrenal stress axis, upsetting the homeostatic balance between these programs, and exposing the brain to harmful levels of stress hormones. A protective strategy to sustained disequilibrium precociously advances maturation at the cost of neuroplasticity, which blunts stress axis reactivity but also compromises learning potential in the prefrontal cortex and networks associated with dyslexia. Stress exceeding an individual's range of resilience: (1) reduces levels of TFEB and BDNF, gene regulatory factors prolonging maturation and neuroplasticity; (2) interferes with the insular cortex, amygdala and hippocampus in coordinating afferent visceral signals with cognitive performance; (3) over-recruits the brain's Default Mode network; and (4) amplifies release from the Locus coeruleus/norepinephrine system which impairs the entrainment of oscillations in the lower phonological frequencies of speech. Evidence supporting a stress-growth imbalance is preliminary, but holds promise for reconceptualizing the neurobiology of dyslexia and reducing its prevalence.
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Affiliation(s)
- John R. Kershner
- University of Toronto, Dept of Applied Psychology University of Toronto, Toronto, ON M5S 1A1, Canada
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9
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Gonzalez SL, Campbell JM, Marcinowski EC, Michel GF, Coxe S, Nelson EL. Preschool language ability is predicted by toddler hand preference trajectories. Dev Psychol 2020; 56:699-709. [PMID: 31999182 PMCID: PMC7060111 DOI: 10.1037/dev0000900] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
Prior work has found links between consistency in toddler handedness for the fine motor skill role-differentiated bimanual manipulation (RDBM), and language development at 2 and 3 years of age. The current study investigated whether consistency in handedness from 18 to 24 months (N = 90) for RDBM predicts receptive and expressive language abilities assessed using the Preschool Language Scales 5th edition (PLS-5) at 5 years old. Latent class growth analyses identified 3 stable RDBM hand preference trajectories: a left hand preference with moderate right hand use (left-moderate right), a right hand preference with moderate left hand use (right-moderate left), and a right hand preference with only mild left hand use (right-mild left). At 5 years of age, children with a right-mild left handedness trajectory as toddlers scored significantly higher on receptive and expressive language abilities compared to children with a left-moderate right hand preference. Children with a right-mild left hand preference for RDBM also scored significantly higher on receptive language abilities compared to children with a right-moderate left RDBM hand preference. Children with left-moderate right and children with a right-moderate left hand preference for RDBM as toddlers did not differ in receptive or expressive language abilities at 5 years. Results indicate that individual differences in hand preference consistency for fine motor skill in toddlerhood have cascading effects on language outcomes into the preschool years. (PsycINFO Database Record (c) 2020 APA, all rights reserved).
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Affiliation(s)
- Sandy L. Gonzalez
- Department of Psychology, Florida International University, Miami, Florida
- Department of Psychology, New York University, New York, New York
| | - Julie M. Campbell
- Department of Psychology, Illinois State University, Normal, Illinois
| | | | - George F. Michel
- Department of Psychology, University of North Carolina at Greensboro, Greensboro, North Carolina
| | - Stefany Coxe
- Department of Psychology, Florida International University, Miami, Florida
| | - Eliza L. Nelson
- Department of Psychology, Florida International University, Miami, Florida
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Serrien DJ, O’Regan L. The development of motor planning strategies in children. EUROPEAN JOURNAL OF DEVELOPMENTAL PSYCHOLOGY 2020. [DOI: 10.1080/17405629.2020.1736029] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Affiliation(s)
| | - Louise O’Regan
- School of Psychology, University of Nottingham, Nottingham, UK
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