1
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Kéri S, Kelemen O. Motion and Form Perception in Childhood-Onset Schizophrenia. Pediatr Rep 2024; 16:88-99. [PMID: 38251318 PMCID: PMC10801474 DOI: 10.3390/pediatric16010009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/04/2023] [Revised: 12/26/2023] [Accepted: 01/03/2024] [Indexed: 01/23/2024] Open
Abstract
(1) Background: Childhood-onset schizophrenia (COS) is a rare type of psychotic disorder characterized by delusions, hallucinations, grossly disorganized behavior, and poor psychosocial functioning. The etiology of COS is unknown, but neurodevelopmental factors are likely to play a critical role. A potential neurodevelopmental anomaly marker is the dorsal visual system dysfunction, which is implicated in motion perception, spatial functions, and attention. (2) Methods: To elucidate the role of the dorsal visual system in COS, we investigated 21 patients with COS and 21 control participants matched for age, sex, education, IQ, and parental socioeconomic status. Participants completed a motion and form coherence task, during which one assesses an individual's ability to detect the direction of motion within a field of moving elements or dots and to recognize a meaningful form or object from a set of fragmented or disconnected visual elements, respectively. (3) Results: The patients with COS were impaired in both visual tasks compared to the control participants, but the evidence for the deficit was more substantial for motion perception than for form perception (form: BF10 = 27.22; motion: BF10 = 6.97 × 106). (4) Conclusions: These results highlight the importance of dorsal visual stream vulnerability in COS, a potential marker of neurodevelopmental anomalies.
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Affiliation(s)
- Szabolcs Kéri
- Sztárai Institute, University of Tokaj, 3944 Sárospatak, Hungary
- Department of Physiology, Albert Szent-Györgyi Medical School, University of Szeged, 6720 Szeged, Hungary
| | - Oguz Kelemen
- Department of Behavioral Science, Albert Szent Györgyi Medical School, University of Szeged, 6720 Szeged, Hungary;
- Department of Psychiatry, Bács-Kiskun County Hospital, 6000 Kecskemét, Hungary
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2
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Ahmad Z, Kelly KR, Freud E. Reduced perception-action dissociation in children with amblyopia. Neuropsychologia 2023; 191:108738. [PMID: 38007150 DOI: 10.1016/j.neuropsychologia.2023.108738] [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: 07/31/2023] [Revised: 11/08/2023] [Accepted: 11/19/2023] [Indexed: 11/27/2023]
Abstract
The functional distinction between vision-for-perception and vision-for-action is a key aspect of understanding the primate visual system. While this dissociation has been well-established in adulthood, its development and dependence on typical visual experience remain unclear. To address these questions, we examined two groups of children: typically developed children and those with amblyopia, who presumably have a sub-optimal visual experience. The Ponzo illusion, known to impact perception but not visuomotor behaviors across age groups, was employed to assess the extent of dissociation. Participants engaged in two tasks involving the Ponzo illusion: a grasping task (vision-for-action) and a manual estimation task (vision-for-perception), with objects placed on the "close" and "far" surfaces of the illusion. Typically developed children displayed grasping movements that were unaffected by the illusion, as their grasping apertures were scaled based on object size, independent of its location. In contrast, children with amblyopia exhibited a clear susceptibility to the illusion, showing larger apertures for objects placed on the 'far' surface of the illusion, and smaller apertures for objects placed on the 'close' surface. Interestingly, both groups of children demonstrated similar susceptibility to the illusion during the perceptual task, with objects placed on the far surface being perceived as longer compared to objects placed on the close surface. These findings shed light on the impact of atypical visual development on the emergence of the dissociation between perception and action, highlighting the crucial role of typical visual experience in establishing this distinction.
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Affiliation(s)
- Zoha Ahmad
- Department of Biology, York University, Canada; The Centre for Vision Research, York University, Canada.
| | - Krista R Kelly
- School of Optometry and Vision Science, University of Waterloo, Canada; Retina Foundation of the Southwest, Dallas, USA
| | - Erez Freud
- The Centre for Vision Research, York University, Canada; Department of Psychology, York University, Canada
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3
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Zhou R, Xie X, Wang J, Ma B, Hao X. Why do children with autism spectrum disorder have abnormal visual perception? Front Psychiatry 2023; 14:1087122. [PMID: 37255685 PMCID: PMC10225551 DOI: 10.3389/fpsyt.2023.1087122] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/02/2022] [Accepted: 03/28/2023] [Indexed: 06/01/2023] Open
Abstract
Autism spectrum disorder (ASD) is associated with severe impairment in social functioning. Visual information processing provides nonverbal cues that support social interactions. ASD children exhibit abnormalities in visual orientation, continuous visual exploration, and visual-spatial perception, causing social dysfunction, and mechanisms underlying these abnormalities remain unclear. Transmission of visual information depends on the retina-lateral geniculate nucleus-visual cortex pathway. In ASD, developmental abnormalities occur in rapid expansion of the visual cortex surface area with constant thickness during early life, causing abnormal transmission of the peak of the visual evoked potential (P100). We hypothesized that abnormal visual perception in ASD are related to the abnormal visual information transmission and abnormal development of visual cortex in early life, what's more, explored the mechanisms of abnormal visual symptoms to provide suggestions for future research.
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Affiliation(s)
- Rongyi Zhou
- Department of Pediatrics, The First Affiliated Hospital of Henan University of Chinese Medicine, Zhengzhou, China
| | - Xinyue Xie
- Department of Pediatrics, The First Affiliated Hospital of Henan University of Chinese Medicine, Zhengzhou, China
| | - Jiaojiao Wang
- Henan Provincial People's Hospital, Henan Institute of Ophthalmology, Zhengzhou, China
| | - Bingxiang Ma
- Department of Pediatrics, The First Affiliated Hospital of Henan University of Chinese Medicine, Zhengzhou, China
| | - Xin Hao
- Renmin University of China, Beijing, China
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4
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Vinci-Booher S, Caron B, Bullock D, James K, Pestilli F. Development of white matter tracts between and within the dorsal and ventral streams. Brain Struct Funct 2022; 227:1457-1477. [PMID: 35267078 DOI: 10.1007/s00429-021-02414-5] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2021] [Accepted: 10/12/2021] [Indexed: 01/11/2023]
Abstract
The degree of interaction between the ventral and dorsal visual streams has been discussed in multiple scientific domains for decades. Recently, several white matter tracts that directly connect cortical regions associated with the dorsal and ventral streams have become possible to study due to advancements in automated and reproducible methods. The developmental trajectory of this set of tracts, here referred to as the posterior vertical pathway (PVP), has yet to be described. We propose an input-driven model of white matter development and provide evidence for the model by focusing on the development of the PVP. We used reproducible, cloud-computing methods and diffusion imaging from adults and children (ages 5-8 years) to compare PVP development to that of tracts within the ventral and dorsal pathways. PVP microstructure was more adult-like than dorsal stream microstructure, but less adult-like than ventral stream microstructure. Additionally, PVP microstructure was more similar to the microstructure of the ventral than the dorsal stream and was predicted by performance on a perceptual task in children. Overall, results suggest a potential role for the PVP in the development of the dorsal visual stream that may be related to its ability to facilitate interactions between ventral and dorsal streams during learning. Our results are consistent with the proposed model, suggesting that the microstructural development of major white matter pathways is related, at least in part, to the propagation of sensory information within the visual system.
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Affiliation(s)
- S Vinci-Booher
- Indiana University, 1101 E. 10th Street, Bloomington, IN, 47405, USA.
| | - B Caron
- Indiana University, 1101 E. 10th Street, Bloomington, IN, 47405, USA
| | - D Bullock
- Indiana University, 1101 E. 10th Street, Bloomington, IN, 47405, USA
| | - K James
- Indiana University, 1101 E. 10th Street, Bloomington, IN, 47405, USA
| | - F Pestilli
- Indiana University, 1101 E. 10th Street, Bloomington, IN, 47405, USA.
- The University of Texas, 108 E Dean Keeton St, Austin, TX, 78712, USA.
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5
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Vinci-Booher S, James KH. Protracted Neural Development of Dorsal Motor Systems During Handwriting and the Relation to Early Literacy Skills. Front Psychol 2021; 12:750559. [PMID: 34867637 PMCID: PMC8639586 DOI: 10.3389/fpsyg.2021.750559] [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: 07/30/2021] [Accepted: 10/23/2021] [Indexed: 11/13/2022] Open
Abstract
Handwriting is a complex visual-motor skill that affects early reading development. A large body of work has demonstrated that handwriting is supported by a widespread neural system comprising ventral-temporal, parietal, and frontal motor regions in adults. Recent work has demonstrated that this neural system is largely established by 8 years of age, suggesting that the development of this system occurs in young children who are still learning to read and write. We made use of a novel MRI-compatible writing tablet that allowed us to measure brain activation in 5-8-year-old children during handwriting. We compared activation during handwriting in children and adults to provide information concerning the developmental trajectory of the neural system that supports handwriting. We found that parietal and frontal motor involvement during handwriting in children is different from adults, suggesting that the neural system that supports handwriting changes over the course of development. Furthermore, we found that parietal and frontal motor activation correlated with a literacy composite score in our child sample, suggesting that the individual differences in the dorsal response during handwriting are related to individual differences in emerging literacy skills. Our results suggest that components of the widespread neural system supporting handwriting develop at different rates and provide insight into the mechanisms underlying the contributions of handwriting to early literacy development.
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Affiliation(s)
| | - Karin H. James
- Department of Psychological and Brain Sciences, Indiana University, Bloomington, IN, United States
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6
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Spiteri S, Crewther D. Neural Mechanisms of Visual Motion Anomalies in Autism: A Two-Decade Update and Novel Aetiology. Front Neurosci 2021; 15:756841. [PMID: 34790092 PMCID: PMC8591069 DOI: 10.3389/fnins.2021.756841] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2021] [Accepted: 10/11/2021] [Indexed: 11/13/2022] Open
Abstract
The 21st century has seen dramatic changes in our understanding of the visual physio-perceptual anomalies of autism and also in the structure and development of the primate visual system. This review covers the past 20 years of research into motion perceptual/dorsal stream anomalies in autism, as well as new understanding of the development of primate vision. The convergence of this literature allows a novel developmental hypothesis to explain the physiological and perceptual differences of the broad autistic spectrum. Central to these observations is the development of motion areas MT+, the seat of the dorsal cortical stream, central area of pre-attentional processing as well as being an anchor of binocular vision for 3D action. Such development normally occurs via a transfer of thalamic drive from the inferior pulvinar → MT to the anatomically stronger but later-developing LGN → V1 → MT connection. We propose that autistic variation arises from a slowing in the normal developmental attenuation of the pulvinar → MT pathway. We suggest that this is caused by a hyperactive amygdala → thalamic reticular nucleus circuit increasing activity in the PIm → MT via response gain modulation of the pulvinar and hence altering synaptic competition in area MT. We explore the probable timing of transfer in dominance of human MT from pulvinar to LGN/V1 driving circuitry and discuss the implications of the main hypothesis.
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Affiliation(s)
- Samuel Spiteri
- Centre for Human Psychopharmacology, Swinburne University of Technology, Melbourne, VIC, Australia
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7
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Campus C, Signorini S, Vitali H, De Giorgis V, Papalia G, Morelli F, Gori M. Sensitive period for the plasticity of alpha activity in humans. Dev Cogn Neurosci 2021; 49:100965. [PMID: 34051686 PMCID: PMC8167822 DOI: 10.1016/j.dcn.2021.100965] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2020] [Revised: 05/11/2021] [Accepted: 05/15/2021] [Indexed: 11/20/2022] Open
Abstract
Visual experience is crucial for the development of neural processing. For example, alpha activity development is a vision-dependent mechanism. Indeed, studies report no alpha activity is present in blind adults. Nevertheless, studies have not investigated the developmental trajectory of this activity in infants and children with blindness. Here, we hypothesize that the difference in neural activity of blind compared to sighted subjects is: absent at birth, progressive with age, specifically occipital and linked to a gradual motor impairment. Therefore, we consider spectral power of resting-state EEG and its association with motor impairment indices, in blind subjects and in sighted controls between 0 and 11 years of age. Blind subjects show posterior alpha activity during the first three years of life, although weaker and slower maturing compared to sighted subjects. The first great differentiation between blind and sighted subjects occurs between 3 and 6 years of age. Starting in this period, reduced alpha activity increases the probability of motor impairment in blind subjects, likely because of impaired perception/interaction. These results show that visual experience mediates the neural mechanisms generating alpha oscillations during the first years of life, suggesting that it is a sensitive period for the plasticity of this process.
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Affiliation(s)
- Claudio Campus
- U-VIP: Unit for Visually Impaired People, Istituto Italiano di Tecnologia, 16152, Genova, Italy
| | | | - Helene Vitali
- U-VIP: Unit for Visually Impaired People, Istituto Italiano di Tecnologia, 16152, Genova, Italy
| | | | | | | | - Monica Gori
- U-VIP: Unit for Visually Impaired People, Istituto Italiano di Tecnologia, 16152, Genova, Italy.
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8
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Palmis S, Velay JL, Habib M, Anton JL, Nazarian B, Sein J, Longcamp M. The handwriting brain in middle childhood. Dev Sci 2020; 24:e13046. [PMID: 33035404 DOI: 10.1111/desc.13046] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2019] [Revised: 07/22/2020] [Accepted: 09/03/2020] [Indexed: 01/01/2023]
Abstract
While the brain network supporting handwriting has previously been defined in adults, its organization in children has never been investigated. We compared the handwriting network of 23 adults and 42 children (8- to 11-year-old). Participants were instructed to write the alphabet, the days of the week, and to draw loops while being scanned. The handwriting network previously described in adults (five key regions: left dorsal premotor cortex, superior parietal lobule (SPL), fusiform and inferior frontal gyri, and right cerebellum) was also strongly activated in children. The right precentral gyrus and the right anterior cerebellum were more strongly activated in adults than in children, while the left fusiform gyrus (FuG) was more strongly activated in children than in adults. Finally, we found that, contrary to adults, children recruited prefrontal regions to complete the writing task. This constitutes the first comparative investigation of the neural correlates of writing in children and adults. Our results suggest that the network supporting handwriting is already established in middle childhood. They also highlight the major role of prefrontal regions in learning this complex skill and the importance of right precentral regions and cerebellum in the performance of automated handwriting.
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Affiliation(s)
- Sarah Palmis
- Aix-Marseille Univ, CNRS, LNC, Marseille, France
| | | | - Michel Habib
- Aix-Marseille Univ, CNRS, LNC, Marseille, France
| | - Jean-Luc Anton
- Aix Marseille Univ, CNRS, INT, Inst Neurosci Timone, Marseille, France
| | - Bruno Nazarian
- Aix Marseille Univ, CNRS, INT, Inst Neurosci Timone, Marseille, France
| | - Julien Sein
- Aix Marseille Univ, CNRS, INT, Inst Neurosci Timone, Marseille, France
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9
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Niechwiej-Szwedo E, Meier K, Christian L, Nouredanesh M, Tung J, Bryden P, Giaschi D. Concurrent maturation of visuomotor skills and motion perception in typically-developing children and adolescents. Dev Psychobiol 2019; 62:353-367. [PMID: 31621075 DOI: 10.1002/dev.21931] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2019] [Revised: 09/18/2019] [Accepted: 09/22/2019] [Indexed: 12/24/2022]
Abstract
Perceptual and visuomotor skills undergo considerable development from early childhood into adolescence; however, the concurrent maturation of these skills has not yet been examined. This study assessed visuomotor function and motion perception in a cross-section of 226 typically-developing children between 4 and 16 years of age. Participants were tested on three tasks hypothesized to engage the dorsal visual stream: threading a bead on a needle, marking dots using a pen, and discriminating form defined by motion contrast. Mature performance was reached between 8 and 12 years, with youngest maturation for kinematic measures for a reach-to-grasp task, and oldest maturation for a precision tapping task. Performance on the motion perception task shared no association with motor skills after controlling for age.
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Affiliation(s)
| | | | - Lisa Christian
- Optometry and Vision Science, University of Waterloo, Waterloo, ON, Canada
| | - Mina Nouredanesh
- Mechanical and Mechatronics Engineering, University of Waterloo, Waterloo, ON, Canada
| | - James Tung
- Mechanical and Mechatronics Engineering, University of Waterloo, Waterloo, ON, Canada
| | - Pamela Bryden
- Kinesiology and Physical Education, Wilfrid Laurier University, Waterloo, ON, Canada
| | - Deborah Giaschi
- Ophthalmology & Visual Sciences, University of British Columbia, Vancouver, BC, Canada
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10
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Freud E, Plaut DC, Behrmann M. Protracted Developmental Trajectory of Shape Processing along the Two Visual Pathways. J Cogn Neurosci 2019; 31:1589-1597. [PMID: 31180266 DOI: 10.1162/jocn_a_01434] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
Studies of the emergence of shape representations in childhood have focused primarily on the ventral visual pathway. Importantly, however, there is increasing evidence that, in adults, the dorsal pathway also represents shape-based information. These dorsal representations follow a gradient with more posterior regions being more shape-sensitive than anterior regions and with representational similarity in some posterior regions that is equivalent to that observed in some ventral regions. To explore the emergence and nature of dorsal shape representations in development, we acquired both fMRI BOLD signals and behavioral data in children (aged 8-10 years) using a parametric image scrambling paradigm. Children exhibited adult-like large-scale organization of shape processing along both ventral and dorsal pathways. Also, as in adults, the activation profiles of children's posterior dorsal and ventral regions were correlated with recognition performance, reflecting a possible contribution of these signals to perception. There were age-related changes, however, with children being more affected by the distortion of shape information than adults, both behaviorally and neurally. These findings reveal that shape-processing mechanisms along both dorsal and ventral pathways are subject to a protracted developmental trajectory.
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Affiliation(s)
- Erez Freud
- York University, Toronto.,Carnegie Mellon University
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11
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Freud E, Culham JC, Namdar G, Behrmann M. Object complexity modulates the association between action and perception in childhood. J Exp Child Psychol 2018; 179:56-72. [PMID: 30476695 DOI: 10.1016/j.jecp.2018.11.004] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2018] [Revised: 11/07/2018] [Accepted: 11/07/2018] [Indexed: 11/17/2022]
Abstract
Vision for action and vision for perception both rely on shape representations derived within the visual system. Whether the same psychological and neural mechanisms underlie both forms of behavior remains hotly contested, and whether this arrangement is equivalent in adults and children is controversial as well. To address these outstanding questions, we used an established psychophysical heuristic, Weber's law, which, in adults, has typically been observed for perceptual judgment tasks but not for actions such as grasping. We examined whether this perception-action dissociation in Weber's law was present in childhood as it is in adulthood and whether it was modulated by stimulus complexity. Two major results emerged. First, although adults evinced visuomotor behavior that violated Weber's law, young children (4.5-6.5 years) adhered to Weber's law when they grasped complex objects ("Efron" blocks), which varied along both the graspable and non-graspable dimensions to maintain a constant surface area, but not when they grasped simple objects, which varied only along the graspable dimension. Second, adherence to Weber's law was found across all ages in the context of a perceptual task. Together, these findings suggest that, in early childhood, visuomotor representations are modulated by perceptual representations, particularly when a refined description of object shape is needed.
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Affiliation(s)
- Erez Freud
- Department of Psychology, York University, Toronto, Ontario M3J 1P3, Canada; Vision: Science to Applications (VISTA) Program, York University, Toronto, Ontario M3J 1P3, Canada; Department of Psychology, Carnegie Mellon University, Pittsburgh, PA 15213, USA.
| | - Jody C Culham
- Department of Psychology, University of Western Ontario, London, Ontario N6A 3K7, Canada; Brain and Mind Institute, University of Western Ontario, London, Ontario N6A 3K7, Canada; Neuroscience Program, University of Western Ontario, London, Ontario N6A 3K7, Canada
| | - Gal Namdar
- Department of Psychology, Ben-Gurion University of the Negev, Beersheba 8410501, Israel
| | - Marlene Behrmann
- Department of Psychology, Carnegie Mellon University, Pittsburgh, PA 15213, USA
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12
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Lockman JJ, Fears NE, Jung WP. The Development of Object Fitting: The Dynamics of Spatial Coordination. ADVANCES IN CHILD DEVELOPMENT AND BEHAVIOR 2018; 55:31-72. [PMID: 30031438 DOI: 10.1016/bs.acdb.2018.05.001] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
Fitting objects into apertures is an adaptive skill that is incorporated into the design of many tools. We match or align shapes with openings when we insert keys into locks, when we put lids atop containers, or when we align a screwdriver with the groove of a screw. Traditionally, the development of object fitting has focused on children's abilities to successfully complete shape sorter tasks (e.g., square peg through square hole). By measuring children's success in these tasks, investigators have determined that there is substantial development during the second year, but little research has addressed the processes children employ to solve object fitting challenges during this time period. Here, we provide a process based account of object fitting, which emphasizes how children coordinate information about spatial structure with action. We suggest that a process-based approach can illuminate the real-time dynamics of perceiving, acting, and thinking.
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Affiliation(s)
- Jeffrey J Lockman
- Department of Psychology, Tulane University, New Orleans, LA, United States
| | - Nicholas E Fears
- Department of Psychology, Tulane University, New Orleans, LA, United States
| | - Wendy P Jung
- Department of Psychology, Tulane University, New Orleans, LA, United States
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13
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Thompson B, McKinlay CJD, Chakraborty A, Anstice NS, Jacobs RJ, Paudel N, Yu TY, Ansell JM, Wouldes TA, Harding JE. Global motion perception is associated with motor function in 2-year-old children. Neurosci Lett 2017; 658:177-181. [PMID: 28864240 DOI: 10.1016/j.neulet.2017.08.062] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2017] [Revised: 08/04/2017] [Accepted: 08/28/2017] [Indexed: 01/30/2023]
Abstract
The dorsal visual processing stream that includes V1, motion sensitive area V5 and the posterior parietal lobe, supports visually guided motor function. Two recent studies have reported associations between global motion perception, a behavioural measure of processing in V5, and motor function in pre-school and school aged children. This indicates a relationship between visual and motor development and also supports the use of global motion perception to assess overall dorsal stream function in studies of human neurodevelopment. We investigated whether associations between vision and motor function were present at 2 years of age, a substantially earlier stage of development. The Bayley III test of Infant and Toddler Development and measures of vision including visual acuity (Cardiff Acuity Cards), stereopsis (Lang stereotest) and global motion perception were attempted in 404 2-year-old children (±4 weeks). Global motion perception (quantified as a motion coherence threshold) was assessed by observing optokinetic nystagmus in response to random dot kinematograms of varying coherence. Linear regression revealed that global motion perception was modestly, but statistically significantly associated with Bayley III composite motor (r2=0.06, P<0.001, n=375) and gross motor scores (r2=0.06, p<0.001, n=375). The associations remained significant when language score was included in the regression model. In addition, when language score was included in the model, stereopsis was significantly associated with composite motor and fine motor scores, but unaided visual acuity was not statistically significantly associated with any of the motor scores. These results demonstrate that global motion perception and binocular vision are associated with motor function at an early stage of development. Global motion perception can be used as a partial measure of dorsal stream function from early childhood.
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Affiliation(s)
- Benjamin Thompson
- School of Optometry and Vision Science, University of Auckland, Auckland, New Zealand; School of Optometry and Vision Science, University of Waterloo, Waterloo, Canada.
| | - Christopher J D McKinlay
- Liggins Institute, University of Auckland, Auckland, New Zealand; Department of Paediatrics: Youth and Child Health, University of Auckland, Auckland, New Zealand
| | - Arijit Chakraborty
- School of Optometry and Vision Science, University of Auckland, Auckland, New Zealand; School of Optometry and Vision Science, University of Waterloo, Waterloo, Canada
| | - Nicola S Anstice
- School of Optometry and Vision Science, University of Auckland, Auckland, New Zealand
| | - Robert J Jacobs
- School of Optometry and Vision Science, University of Auckland, Auckland, New Zealand
| | - Nabin Paudel
- School of Optometry and Vision Science, University of Auckland, Auckland, New Zealand
| | - Tzu-Ying Yu
- School of Optometry and Vision Science, University of Auckland, Auckland, New Zealand
| | - Judith M Ansell
- Liggins Institute, University of Auckland, Auckland, New Zealand
| | - Trecia A Wouldes
- Department of Psychological Medicine, University of Auckland, Auckland, New Zealand
| | - Jane E Harding
- Liggins Institute, University of Auckland, Auckland, New Zealand
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