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Kulke L. Coregistration of EEG and eye-tracking in infants and developing populations. Atten Percept Psychophys 2024:10.3758/s13414-024-02857-y. [PMID: 38388851 DOI: 10.3758/s13414-024-02857-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/06/2024] [Indexed: 02/24/2024]
Abstract
Infants cannot be instructed where to look; therefore, infant researchers rely on observation of their participant's gaze to make inferences about their cognitive processes. They therefore started studying infant attention in the real world from early on. Developmental researchers were early adopters of methods combining observations of gaze and behaviour with electroencephalography (EEG) to study attention and other cognitive functions. However, the direct combination of eye-tracking methods and EEG to test infants is still rare, as it includes specific challenges. The current article reviews the development of co-registration research in infancy. It points out specific challenges of co-registration in infant research and suggests ways to overcome them. It ends with recommendations for implementing the co-registration of EEG and eye-tracking in infant research to maximise the benefits of the two measures and their combination and to orient on Open Science principles while doing so. In summary, this work shows that the co-registration of EEG and eye-tracking in infant research can be beneficial to studying natural and real-world behaviour despite its challenges.
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Affiliation(s)
- Louisa Kulke
- Department of Developmental Psychology with Educational Psychology, University of Bremen, Hochschulring 18, 28359, Bremen, Germany.
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Köster M, Brzozowska A, Bánki A, Tünte M, Ward EK, Hoehl S. Rhythmic visual stimulation as a window into early brain development: A systematic review. Dev Cogn Neurosci 2023; 64:101315. [PMID: 37948945 PMCID: PMC10663747 DOI: 10.1016/j.dcn.2023.101315] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2023] [Revised: 06/22/2023] [Accepted: 10/12/2023] [Indexed: 11/12/2023] Open
Abstract
Rhythmic visual stimulation (RVS), the periodic presentation of visual stimuli to elicit a rhythmic brain response, is increasingly applied to reveal insights into early neurocognitive development. Our systematic review identified 69 studies applying RVS in 0- to 6-year-olds. RVS has long been used to study the development of the visual system and applications have more recently been expanded to uncover higher cognitive functions in the developing brain, including overt and covert attention, face and object perception, numeral cognition, and predictive processing. These insights are owed to the unique benefits of RVS, such as the targeted frequency and stimulus-specific neural responses, as well as a remarkable signal-to-noise ratio. Yet, neural mechanisms underlying the RVS response are still poorly understood. We discuss critical challenges and avenues for future research, and the unique potentials the method holds. With this review, we provide a resource for researchers interested in the breadth of developmental RVS research and hope to inspire the future use of this cutting-edge method in developmental cognitive neuroscience.
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Affiliation(s)
- Moritz Köster
- University of Regensburg, Institute of Psychology, Germany.
| | | | - Anna Bánki
- University of Vienna, Faculty of Psychology, Austria
| | - Markus Tünte
- University of Vienna, Faculty of Psychology, Austria
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Howes J, Thompson D, Liasis A, Oluonye N, Dale N, Bowman R. Prognostic value of transient pattern visual evoked potentials in children with cerebral visual impairment. Dev Med Child Neurol 2022; 64:618-624. [PMID: 34841523 DOI: 10.1111/dmcn.15108] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/21/2020] [Revised: 10/19/2021] [Accepted: 10/20/2021] [Indexed: 01/26/2023]
Abstract
AIM To investigate whether pattern reversal visual evoked potentials (PRVEPs) could predict future visual acuity in infants with cerebral visual impairment (CVI). METHOD Fifty-five children (27 males, 28 females) with severe CVI seen in the ophthalmology department of a specialist children's hospital were identified retrospectively. Behavioural visual acuity and visual evoked potentials (VEPs) at presentation (time 1, T1) were compared with final visual acuity at late preschool/early school age (time 2, T2). Predictors of visual acuity at T2 were identified using univariate and multivariate logistic and linear regression analysis. RESULTS Median age was 14 months at T1 (range: 6-44mo) and 63 months at T2 (range: 29-150mo). The presence of a PRVEP produced by a check width of 50' (minutes of arc) or smaller (T1) predicted (p=0.05) the presence of measurable preferential looking acuity at T2. The presence of PRVEP to check widths of 25' or smaller (T1) predicted (p=0.02) better preferential looking acuity (logMAR-equivalent) scores at T2. The latter association was independent of presenting acuity at T1. INTERPRETATION The presence of PRVEPs to check widths of 50' and 25' in infancy provided useful information. VEPs in young children with CVI may have prognostic value regarding future acuity.
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Affiliation(s)
- Jessica Howes
- University College London Medical School, London, UK
| | - Dorothy Thompson
- Clinical and Academic Department of Ophthalmology, Great Ormond Street Hospital for Children NHS Foundation Trust, London, UK
| | - Alki Liasis
- Children's Hospital of Pittsburgh University of Pittsburgh Medical Center, Pittsburgh, PA, USA
| | - Ngozi Oluonye
- Neurodisability Service, Great Ormond Street Hospital for Children NHS Foundation Trust, London, UK
| | - Naomi Dale
- Developmental Vision Clinic Service Neurodisability Psychological Services, Great Ormond Street Hospital for Children NHS Foundation Trust, London, UK
| | - Richard Bowman
- Great Ormond Street Hospital for Children NHS Foundation Trust, London, UK
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Narducci R, Baroncelli L, Sansevero G, Begenisic T, Prontera C, Sale A, Cenni MC, Berardi N, Maffei L. Early impoverished environment delays the maturation of cerebral cortex. Sci Rep 2018; 8:1187. [PMID: 29352131 PMCID: PMC5775315 DOI: 10.1038/s41598-018-19459-y] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2017] [Accepted: 12/27/2017] [Indexed: 12/26/2022] Open
Abstract
The influence of exposure to impoverished environments on brain development is unexplored since most studies investigated how environmental impoverishment affects adult brain. To shed light on the impact of early impoverishment on developmental trajectories of the nervous system, we developed a protocol of environmental impoverishment in which dams and pups lived from birth in a condition of reduced sensory-motor stimulation. Focusing on visual system, we measured two indexes of functional development, that is visual acuity, assessed by using Visual Evoked Potentials (VEPs), and VEP latency. In addition, we assessed in the visual cortex levels of Insulin-Like Growth Factor 1 (IGF-1) and myelin maturation, together with the expression of the GABA biosynthetic enzyme GAD67. We found that early impoverishment strongly delays visual acuity and VEP latency development. These functional changes were accompanied by a significant reduction of IGF-1 protein and GAD67 expression, as well as by delayed myelination of nerve fibers, in the visual cortex of impoverished pups. Thus, exposure to impoverished living conditions causes a significant alteration of developmental trajectories leading to a prominent delay of brain maturation. These results underscore the significance of adequate levels of environmental stimulation for the maturation of central nervous system.
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Affiliation(s)
- Roberta Narducci
- Institute of Neuroscience, National Research Council (CNR), Via Moruzzi 1, I-56124, Pisa, Italy.,Department of Neuroscience, Psychology, Drug Research and Child Health NEUROFARBA, University of Florence, Area San Salvi - Pad. 26, I-50135, Florence, Italy
| | - Laura Baroncelli
- Institute of Neuroscience, National Research Council (CNR), Via Moruzzi 1, I-56124, Pisa, Italy.
| | - Gabriele Sansevero
- Institute of Neuroscience, National Research Council (CNR), Via Moruzzi 1, I-56124, Pisa, Italy.,Department of Neuroscience, Psychology, Drug Research and Child Health NEUROFARBA, University of Florence, Area San Salvi - Pad. 26, I-50135, Florence, Italy
| | - Tatjana Begenisic
- Institute of Neuroscience, National Research Council (CNR), Via Moruzzi 1, I-56124, Pisa, Italy
| | - Concetta Prontera
- Fondazione G. Monasterio CNR-Regione Toscana, via Moruzzi 1, I-56124, Pisa, Italy
| | - Alessandro Sale
- Institute of Neuroscience, National Research Council (CNR), Via Moruzzi 1, I-56124, Pisa, Italy
| | - Maria Cristina Cenni
- Institute of Neuroscience, National Research Council (CNR), Via Moruzzi 1, I-56124, Pisa, Italy
| | - Nicoletta Berardi
- Institute of Neuroscience, National Research Council (CNR), Via Moruzzi 1, I-56124, Pisa, Italy.,Department of Neuroscience, Psychology, Drug Research and Child Health NEUROFARBA, University of Florence, Area San Salvi - Pad. 26, I-50135, Florence, Italy
| | - Lamberto Maffei
- Institute of Neuroscience, National Research Council (CNR), Via Moruzzi 1, I-56124, Pisa, Italy
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Ahtola E, Stjerna S, Stevenson N, Vanhatalo S. Use of eye tracking improves the detection of evoked responses to complex visual stimuli during EEG in infants. Clin Neurophysiol Pract 2017; 2:81-90. [PMID: 30214977 PMCID: PMC6123848 DOI: 10.1016/j.cnp.2017.03.002] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2016] [Revised: 01/04/2017] [Accepted: 03/03/2017] [Indexed: 12/17/2022] Open
Abstract
OBJECTIVE To improve the reliability of detecting EEG responses evoked by complex visual stimuli to the level required for clinical use by integrating an eye tracker to the EEG setup and optimizing the analysis protocol. METHODS Infants were presented with continuous orientation reversal (OR), global form (GF), and global motion (GM) stimuli. Eye tracking was used to control stimulus presentation and exclude epochs with disoriented gaze. The spectral responses were estimated from 13 postcentral EEG channels using a circular variant of Hotelling's T2 test statistic. RESULTS Among 39 healthy infants, statistically significant (p < 0.01) responses to OR/GF/GM stimuli were found from 92%/100%/95% recordings, respectively. The specificity test of the detection algorithm, using non-stimulated baseline EEG, did not yield any false-positive findings. Taken together, this yields 15% improvement on average in the detection performance compared to that in the current literature. CONCLUSIONS Changes to the test protocol and incorporation of the eye tracking information improves the detection of responses to complex visual stimuli in infants. SIGNIFICANCE This work presents a test protocol suitable for use in a clinical environment at a level of reliability that allows individual diagnostics.
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Key Words
- AUC, area under receiver operating characteristic
- Assessment of cortical visual functions
- EEG
- ERVS, EEG response to visual stimulus
- Evoked visual response
- Eye tracking
- FDR, false discovery rate (correction)
- FPR, false-positive detection rate
- GF, global form
- GM, global motion
- IQR, interquartile range
- Infant
- OR, orientation reversal
- TNR, true-negative detection rate
- TPR, true-positive detection rate
- Visual stimulation
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Affiliation(s)
- Eero Ahtola
- Department of Children’s Clinical Neurophysiology, Helsinki University Hospital and University of Helsinki, Helsinki, Finland
- Department of Neuroscience and Biomedical Engineering, Aalto University School of Science, Espoo, Finland
| | - Susanna Stjerna
- Department of Children’s Clinical Neurophysiology, Helsinki University Hospital and University of Helsinki, Helsinki, Finland
| | - Nathan Stevenson
- Department of Children’s Clinical Neurophysiology, Helsinki University Hospital and University of Helsinki, Helsinki, Finland
| | - Sampsa Vanhatalo
- Department of Children’s Clinical Neurophysiology, Helsinki University Hospital and University of Helsinki, Helsinki, Finland
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Abstract
AbstractWe discuss hypotheses that link the measurements we can make with infants to inferences about their developing neural mechanisms. First, we examine evidence from the sensitivity to visual stimulus properties seen in infants’ responses, using both electrophysiological measures (transient and steady-state recordings of visual evoked potentials/visual event-related potentials) and behavioral measures and compare this with the sensitivity of brain processes, known from data on mammalian neurophysiology and human neuroimaging. The evidence for multiple behavioral systems with different patterns of visual sensitivity is discussed. Second, we consider the analogies which can be made between infants’ behavior and that of adults with identified brain damage, and extend these links to hypothesize about the brain basis of visual deficits in infants and children with developmental disorders. Last, we consider how these lines of data might allow us to form “inverse linking hypotheses” about infants’ visual experience.
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