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Provost S, Fourdain S, Vannasing P, Tremblay J, Roger K, Caron-Desrochers L, Hüsser A, Paquette N, Doussau A, Poirier N, Simard MN, Gallagher A. Language brain responses and neurodevelopmental outcome in preschoolers with congenital heart disease: A fNIRS study. Neuropsychologia 2024; 196:108843. [PMID: 38423173 DOI: 10.1016/j.neuropsychologia.2024.108843] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2023] [Revised: 02/24/2024] [Accepted: 02/26/2024] [Indexed: 03/02/2024]
Abstract
Neurodevelopmental disabilities affect up to 50% of survivors of congenital heart disease (CHD). Language difficulties are frequently identified during preschool period and can lead to academic, social, behavioral, and emotional difficulties. Structural brain alterations are associated with poorer neurodevelopmental outcomes in patients with CHD during infancy, childhood, and adolescence. However, evidence is lacking about the functional brain activity in children with CHD and its relationship with neurodevelopment. This study therefore aimed to characterize brain responses during a passive story-listening task in 3-year-old children with CHD, and to investigate the relationship between functional brain patterns of language processing and neurodevelopmental outcomes. To do so, we assessed hemodynamic concentration changes, using functional near-infrared spectroscopy (fNIRS), and neurodevelopmental outcomes, using the Wechsler Preschool and Primary Scale of Intelligence - 4th Edition (WPPSI-IV), in children with CHD (n = 19) and healthy controls (n = 23). Compared to their healthy peers, children with CHD had significantly lower scores on the Verbal comprehension index (VCI), the Vocabulary acquisition index (VAI), the General ability index (GAI), and the Information and the Picture Naming subtests of the WPPSI-IV. During the passive story-listening task, healthy controls showed significant hemodynamic brain responses in the temporal and the temporal posterior regions, with stronger activation in the temporal posterior than in the temporal regions. In contrast, children with CHD showed reduced activation in the temporal posterior regions compared to controls, with no difference of activation between regions. Reduced brain responses in the temporal posterior regions were also correlated with lower neurodevelopmental outcomes in both groups. This is the first study that reveals reduced brain functional responses in preschoolers with CHD during a receptive language task. It also suggests that the temporal posterior activation could be a potential brain marker of cognitive development. These findings provide support for the feasibility of identifying brain correlates of neurodevelopmental vulnerabilities in children with CHD.
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Affiliation(s)
- Sarah Provost
- Department of Psychology, Université de Montréal, Montréal, QC, Canada; Research Center, Sainte-Justine University Hospital Research Center, Montréal, QC, Canada
| | - Solène Fourdain
- Department of Psychology, Université de Montréal, Montréal, QC, Canada; Research Center, Sainte-Justine University Hospital Research Center, Montréal, QC, Canada
| | - Phetsamone Vannasing
- Research Center, Sainte-Justine University Hospital Research Center, Montréal, QC, Canada
| | - Julie Tremblay
- Research Center, Sainte-Justine University Hospital Research Center, Montréal, QC, Canada
| | - Kassandra Roger
- Department of Psychology, Université de Montréal, Montréal, QC, Canada; Research Center, Sainte-Justine University Hospital Research Center, Montréal, QC, Canada
| | - Laura Caron-Desrochers
- Department of Psychology, Université de Montréal, Montréal, QC, Canada; Research Center, Sainte-Justine University Hospital Research Center, Montréal, QC, Canada
| | - Alejandra Hüsser
- Department of Psychology, Université de Montréal, Montréal, QC, Canada; Research Center, Sainte-Justine University Hospital Research Center, Montréal, QC, Canada
| | - Natacha Paquette
- Department of Psychology, Université de Montréal, Montréal, QC, Canada; Research Center, Sainte-Justine University Hospital Research Center, Montréal, QC, Canada
| | - Amélie Doussau
- Clinique d'Investigation Neurocardiaque (CINC), Sainte-Justine University Hospital Center, Montréal, QC, Canada
| | - Nancy Poirier
- Research Center, Sainte-Justine University Hospital Research Center, Montréal, QC, Canada; Clinique d'Investigation Neurocardiaque (CINC), Sainte-Justine University Hospital Center, Montréal, QC, Canada; Department of Surgery, Division of Cardiac Surgery, Faculty of Medicine, Université de Montréal, Montréal, QC, Canada
| | - Marie-Noëlle Simard
- Research Center, Sainte-Justine University Hospital Research Center, Montréal, QC, Canada; School of Rehabilitation, Faculty of Medicine, Université de Montréal, Montréal, QC, Canada
| | - Anne Gallagher
- Department of Psychology, Université de Montréal, Montréal, QC, Canada; Research Center, Sainte-Justine University Hospital Research Center, Montréal, QC, Canada.
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Roger K, Vannasing P, Tremblay J, Bringas Vega ML, Bryce CP, Rabinowitz A, Valdes-Sosa PA, Galler JR, Gallagher A. Early childhood malnutrition impairs adult resting brain function using near-infrared spectroscopy. Front Hum Neurosci 2024; 17:1287488. [PMID: 38298205 PMCID: PMC10827877 DOI: 10.3389/fnhum.2023.1287488] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2023] [Accepted: 12/15/2023] [Indexed: 02/02/2024] Open
Abstract
Introduction Early childhood malnutrition affects 200+ million children under 5 years of age worldwide and is associated with persistent cognitive, behavioral and psychiatric impairments in adulthood. However, very few studies have investigated the long-term effects of childhood protein-energy malnutrition (PEM) on brain function using a functional hemodynamic brain imaging technique. Objective and methods This study aims to investigate functional brain network alterations using near infrared spectroscopy (NIRS) in adults, aged 45-51 years, from the Barbados Nutrition Study (BNS) who suffered from a single episode of malnutrition restricted to their first year of life (n = 26) and controls (n = 29). A total of 55 individuals from the BNS cohort underwent NIRS recording at rest. Results and discussion Using functional connectivity and permutation analysis, we found patterns of increased Pearson's correlation with a specific vulnerability of the frontal cortex in the PEM group (ps < 0.05). Using a graph theoretical approach, mixed ANCOVAs showed increased segregation (ps = 0.0303 and 0.0441) and decreased integration (p = 0.0498) in previously malnourished participants compared to healthy controls. These results can be interpreted as a compensatory mechanism to preserve cognitive functions, that could also be related to premature or pathological brain aging. To our knowledge, this study is the first NIRS neuroimaging study revealing brain function alterations in middle adulthood following early childhood malnutrition limited to the first year of life.
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Affiliation(s)
- Kassandra Roger
- LION Lab, Sainte-Justine University Hospital Research Center, University of Montreal, Montreal, QC, Canada
| | - Phetsamone Vannasing
- LION Lab, Sainte-Justine University Hospital Research Center, University of Montreal, Montreal, QC, Canada
| | - Julie Tremblay
- LION Lab, Sainte-Justine University Hospital Research Center, University of Montreal, Montreal, QC, Canada
| | - Maria L. Bringas Vega
- MOE Key Lab for Neuroinformation, The Clinical Hospital of Chengdu Brain Science Institute, University of Electronic Science and Technology of China, Chengdu, China
| | | | - Arielle Rabinowitz
- Montreal Neurological Institute, McGill University, Montreal, QC, Canada
| | - Pedro Antonio Valdes-Sosa
- MOE Key Lab for Neuroinformation, The Clinical Hospital of Chengdu Brain Science Institute, University of Electronic Science and Technology of China, Chengdu, China
| | - Janina R. Galler
- Division of Pediatric Gastroenterology and Nutrition, MassGeneral Hospital for Children, Boston, MA, United States
| | - Anne Gallagher
- LION Lab, Sainte-Justine University Hospital Research Center, University of Montreal, Montreal, QC, Canada
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Provost S, Fourdain S, Vannasing P, Tremblay J, Roger K, García-Puente Y, Doussau A, Vinay MC, Von Siebenthal Z, Paquette N, Poirier N, Gallagher A. Relationship between 4-month functional brain network topology and 24-month neurodevelopmental outcome in children with congenital heart disease. Eur J Paediatr Neurol 2023; 47:47-59. [PMID: 37729706 DOI: 10.1016/j.ejpn.2023.09.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/10/2022] [Revised: 07/24/2023] [Accepted: 09/05/2023] [Indexed: 09/22/2023]
Abstract
Survivors of complex forms of congenital heart disease (CHD)∗ are at high risk of neurodevelopmental disabilities. Neuroimaging studies have pointed to brain anomalies and immature networks in infants with CHD, yet less is known about their functional network topology and associations with neurodevelopment. To characterize the functional network topology in 4-month-old infants with repaired CHD, we compared graph theory metrics measured using resting-state functional near-infrared spectroscopy (rs-fNIRS) between infants with CHD (n = 22) and healthy controls (n = 30). We also investigated the moderating effect of graph theory metrics on the relationship between group (CHD vs. Controls) and developmental outcomes at 24 months. At 4 months, both groups presented similar functional brain network topology. At 24 months, children with CHD had lower scores on the language scale and the expressive communication subscale of the Bayley Scales of Infant and Toddler Development, Third Edition (Bayley-III), as well as lower scores on the Grammatical Form scale of the MacArthur-Bates Communicative Development Inventory (MBCDI). The relationship between group and expressive language was moderated by the normalized characteristic path length (λ) and the degree (k). Although infants with CHD have functional brain topology similar to that of healthy controls, our findings suggest that they do not benefit from an optimal functional brain organization in comparison with healthy infants.
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Affiliation(s)
- Sarah Provost
- Department of Psychology, Université de Montréal, Montreal, QC, Canada; Neurodevelopmental Optical Imaging Lab (LIONlab), Sainte-Justine University Hospital Research Center, Montreal, QC, Canada
| | - Solène Fourdain
- Department of Psychology, Université de Montréal, Montreal, QC, Canada; Neurodevelopmental Optical Imaging Lab (LIONlab), Sainte-Justine University Hospital Research Center, Montreal, QC, Canada
| | - Phetsamone Vannasing
- Neurodevelopmental Optical Imaging Lab (LIONlab), Sainte-Justine University Hospital Research Center, Montreal, QC, Canada
| | - Julie Tremblay
- Neurodevelopmental Optical Imaging Lab (LIONlab), Sainte-Justine University Hospital Research Center, Montreal, QC, Canada
| | - Kassandra Roger
- Department of Psychology, Université de Montréal, Montreal, QC, Canada; Neurodevelopmental Optical Imaging Lab (LIONlab), Sainte-Justine University Hospital Research Center, Montreal, QC, Canada
| | | | - Amélie Doussau
- Clinique d'Investigation Neurocardiaque (CINC), Sainte-Justine University Hospital Center, Montreal, QC, Canada
| | | | - Zorina Von Siebenthal
- Clinique d'Investigation Neurocardiaque (CINC), Sainte-Justine University Hospital Center, Montreal, QC, Canada
| | - Natacha Paquette
- Neurodevelopmental Optical Imaging Lab (LIONlab), Sainte-Justine University Hospital Research Center, Montreal, QC, Canada
| | - Nancy Poirier
- Clinique d'Investigation Neurocardiaque (CINC), Sainte-Justine University Hospital Center, Montreal, QC, Canada
| | - Anne Gallagher
- Department of Psychology, Université de Montréal, Montreal, QC, Canada; Neurodevelopmental Optical Imaging Lab (LIONlab), Sainte-Justine University Hospital Research Center, Montreal, QC, Canada.
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Fourdain S, Provost S, Tremblay J, Vannasing P, Doussau A, Caron-Desrochers L, Gaudet I, Roger K, Hüsser A, Dehaes M, Martinez-Montes E, Poirier N, Gallagher A. Functional brain connectivity after corrective cardiac surgery for critical congenital heart disease: a preliminary near-infrared spectroscopy (NIRS) report. Child Neuropsychol 2023; 29:1088-1108. [PMID: 36718095 DOI: 10.1080/09297049.2023.2170340] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2022] [Accepted: 01/13/2023] [Indexed: 02/01/2023]
Abstract
Patients with congenital heart disease (CHD) requiring cardiac surgery in infancy are at high risk for neurodevelopmental impairments. Neonatal imaging studies have reported disruptions of brain functional organization before surgery. Yet, the extent to which functional network alterations are present after cardiac repair remains unexplored. This preliminary study aimed at investigating cortical functional connectivity in 4-month-old infants with repaired CHD, using resting-state functional near-infrared spectroscopy (fNIRS). After fNIRS signal frequency decomposition, we compared values of magnitude-squared coherence as a measure of connectivity strength, between 21 infants with corrected CHD and 31 healthy controls. We identified a subset of connections with differences between groups at an uncorrected statistical level of p < .05 while controlling for sex and maternal socioeconomic status, with most of these connections showing reduced connectivity in infants with CHD. Although none of these differences reach statistical significance after FDR correction, likely due to the small sample size, moderate to large effect sizes were found for group-differences. If replicated, these results would therefore suggest preliminary evidence that alterations of brain functional connectivity are present in the months after cardiac surgery. Additional studies involving larger sample size are needed to replicate our data, and comparisons between pre- and postoperative findings would allow to further delineate alterations of functional brain connectivity in this population.
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Affiliation(s)
- Solène Fourdain
- Department of Psychology, Université de Montréal, Montreal, QC, Canada
- Sainte-Justine University Hospital Research Center, Montreal, QC, Canada
| | - Sarah Provost
- Department of Psychology, Université de Montréal, Montreal, QC, Canada
- Sainte-Justine University Hospital Research Center, Montreal, QC, Canada
| | - Julie Tremblay
- Sainte-Justine University Hospital Research Center, Montreal, QC, Canada
| | | | - Amélie Doussau
- Clinique d'investigation neurocardiaque (CINC), Sainte-Justine, Montreal University Hospital Center, Montreal, QC, Canada
| | - Laura Caron-Desrochers
- Department of Psychology, Université de Montréal, Montreal, QC, Canada
- Sainte-Justine University Hospital Research Center, Montreal, QC, Canada
| | - Isabelle Gaudet
- Department of Psychology, Université de Montréal, Montreal, QC, Canada
- Sainte-Justine University Hospital Research Center, Montreal, QC, Canada
| | - Kassandra Roger
- Department of Psychology, Université de Montréal, Montreal, QC, Canada
- Sainte-Justine University Hospital Research Center, Montreal, QC, Canada
| | - Alejandra Hüsser
- Department of Psychology, Université de Montréal, Montreal, QC, Canada
- Sainte-Justine University Hospital Research Center, Montreal, QC, Canada
| | - Mathieu Dehaes
- Sainte-Justine University Hospital Research Center, Montreal, QC, Canada
- Department of Radiology, Radio-oncology and Nuclear Medicine, Université de Montréal, Montreal, QC, Canada
| | | | - Nancy Poirier
- Clinique d'investigation neurocardiaque (CINC), Sainte-Justine, Montreal University Hospital Center, Montreal, QC, Canada
- Department of Surgery, Faculty of Medicine, Université de Montreal, Montreal, QC, Canada
| | - Anne Gallagher
- Department of Psychology, Université de Montréal, Montreal, QC, Canada
- Sainte-Justine University Hospital Research Center, Montreal, QC, Canada
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Hüsser AM, Vannasing P, Tremblay J, Osterman B, Lortie A, Diadori P, Major P, Rossignol E, Roger K, Fourdain S, Provost S, Maalouf Y, Nguyen DK, Gallagher A. Brain language networks and cognitive outcomes in children with frontotemporal lobe epilepsy. Front Hum Neurosci 2023; 17:1253529. [PMID: 37964801 PMCID: PMC10641510 DOI: 10.3389/fnhum.2023.1253529] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2023] [Accepted: 10/11/2023] [Indexed: 11/16/2023] Open
Abstract
Introduction Pediatric frontal and temporal lobe epilepsies (FLE, TLE) have been associated with language impairments and structural and functional brain alterations. However, there is no clear consensus regarding the specific patterns of cerebral reorganization of language networks in these patients. The current study aims at characterizing the cerebral language networks in children with FLE or TLE, and the association between brain network characteristics and cognitive abilities. Methods Twenty (20) children with FLE or TLE aged between 6 and 18 years and 29 age- and sex-matched healthy controls underwent a neuropsychological evaluation and a simultaneous functional near-infrared spectroscopy and electroencephalography (fNIRS-EEG) recording at rest and during a receptive language task. EEG was used to identify potential subclinical seizures in patients. We removed these time intervals from the fNIRS signal to investigate language brain networks and not epileptogenic networks. Functional connectivity matrices on fNIRS oxy-hemoglobin concentration changes were computed using cross-correlations between all channels. Results and discussion Group comparisons of residual matrices (=individual task-based matrix minus individual resting-state matrix) revealed significantly reduced connectivity within the left and between hemispheres, increased connectivity within the right hemisphere and higher right hemispheric local efficiency for the epilepsy group compared to the control group. The epilepsy group had significantly lower cognitive performance in all domains compared to their healthy peers. Epilepsy patients' local network efficiency in the left hemisphere was negatively associated with the estimated IQ (p = 0.014), suggesting that brain reorganization in response to FLE and TLE does not allow for an optimal cognitive development.
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Affiliation(s)
- Alejandra M. Hüsser
- Neurodevelopmental Optical Imaging Laboratory (LIONlab), Research Center, Sainte-Justine Mother and Child University Hospital Center, Montreal, QC, Canada
- Department of Psychology, Université de Montréal, Montreal, QC, Canada
| | - Phetsamone Vannasing
- Neurodevelopmental Optical Imaging Laboratory (LIONlab), Research Center, Sainte-Justine Mother and Child University Hospital Center, Montreal, QC, Canada
| | - Julie Tremblay
- Neurodevelopmental Optical Imaging Laboratory (LIONlab), Research Center, Sainte-Justine Mother and Child University Hospital Center, Montreal, QC, Canada
| | - Bradley Osterman
- Division of Neurology, Sainte-Justine Mother and Child University Hospital Center, Montreal, QC, Canada
- Division of Pediatric Neurology, Montreal Children’s Hospital, McGill University Health Centre, Montreal, QC, Canada
| | - Anne Lortie
- Division of Neurology, Sainte-Justine Mother and Child University Hospital Center, Montreal, QC, Canada
- Department of Neuroscience, Université de Montréal, Montreal, QC, Canada
- Department of Pediatrics, Université de Montréal, Montreal, QC, Canada
| | - Paola Diadori
- Division of Neurology, Sainte-Justine Mother and Child University Hospital Center, Montreal, QC, Canada
- Department of Pediatrics, Université de Montréal, Montreal, QC, Canada
| | - Philippe Major
- Division of Neurology, Sainte-Justine Mother and Child University Hospital Center, Montreal, QC, Canada
- Department of Neuroscience, Université de Montréal, Montreal, QC, Canada
- Department of Pediatrics, Université de Montréal, Montreal, QC, Canada
| | - Elsa Rossignol
- Division of Neurology, Sainte-Justine Mother and Child University Hospital Center, Montreal, QC, Canada
- Department of Neuroscience, Université de Montréal, Montreal, QC, Canada
- Department of Pediatrics, Université de Montréal, Montreal, QC, Canada
| | - Kassandra Roger
- Neurodevelopmental Optical Imaging Laboratory (LIONlab), Research Center, Sainte-Justine Mother and Child University Hospital Center, Montreal, QC, Canada
- Department of Psychology, Université de Montréal, Montreal, QC, Canada
| | - Solène Fourdain
- Neurodevelopmental Optical Imaging Laboratory (LIONlab), Research Center, Sainte-Justine Mother and Child University Hospital Center, Montreal, QC, Canada
- Department of Psychology, Université de Montréal, Montreal, QC, Canada
| | - Sarah Provost
- Neurodevelopmental Optical Imaging Laboratory (LIONlab), Research Center, Sainte-Justine Mother and Child University Hospital Center, Montreal, QC, Canada
- Department of Psychology, Université de Montréal, Montreal, QC, Canada
| | - Yara Maalouf
- Neurodevelopmental Optical Imaging Laboratory (LIONlab), Research Center, Sainte-Justine Mother and Child University Hospital Center, Montreal, QC, Canada
- Department of Psychology, Université de Montréal, Montreal, QC, Canada
| | - Dang Khoa Nguyen
- Department of Neuroscience, Université de Montréal, Montreal, QC, Canada
- CHUM Research Center, Université de Montréal, Montreal, QC, Canada
| | - Anne Gallagher
- Neurodevelopmental Optical Imaging Laboratory (LIONlab), Research Center, Sainte-Justine Mother and Child University Hospital Center, Montreal, QC, Canada
- Department of Psychology, Université de Montréal, Montreal, QC, Canada
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Abramsky R, Acun C, Alt J, Aly H, Arad N, Baak LM, Bakalar D, Balasingham T, Bammler T, Benders MJNL, Benitez D, Boni E, Boylan G, Campbell E, Castri P, Chandrashekar P, Chavez-Valdez R, Chen M, Chiodin E, Comstock B, Damien J, Damien J, de Vries LS, de Vries L, Dickman J, Doucette L, Duckworth E, Duckworth E, Echeverria-Palacio C, El Jalbout R, El-Dib M, Elshibiny H, Flock D, Gallagher A, Gasperoni E, Glass H, Harteman JC, Harvey-Jones K, Hazan I, Heagerty P, Inder T, Jantzie L, Juul S, Karnati S, Kute N, Lacaille H, Lange F, Lemmers PMA, Liu W, Llaguno N, Magalhães M, Mambule I, Marandyuk B, Marks K, Martin LJ, Massaro A, Mathieson S, Mathieson S, McCaul MC, Meehan C, Meledin I, Menna E, Menzato F, Mintoft A, Mitra S, Nakimuli A, Nanyunya C, Norris G, Northington FJ, Numis A, O'Reilly JJ, Ortiz S, Padiyar S, Paquette N, Parmeggiani L, Patrizi S, Pavlidis E, Pellegrin S, Penn AA, Petitpas L, Pinchefsky E, Ponta A, Puthuraya JPS, Rais R, Robertson NJ, Rodrigues D, Salandin M, Salzbank J, Sánchez L, Schalij N, Serrano-Tabares C, Shany E, Staffler A, Steggerda S, Tachtsidis I, Tann C, Tataranno ML, Trabatti C, Tremblay J, Tromp S, Tucker K, Turnbill V, Vacher CM, van Bel F, van der Aa NE, Van Meurs K, Van Steenis A, van Wyk L, Vannasing P, Variane G, Verma V, Voldal E, Wagenaar N, Wu Y, Wustoff C. Proceedings of the 14th International Newborn Brain Conference: Neonatal Neurocritical Care, seizures, and continuous aEEG and /or EEG monitoring. J Neonatal Perinatal Med 2023; 16:S33-S62. [PMID: 37599542 DOI: 10.3233/npm-239003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/22/2023]
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Hüsser A, Caron-Desrochers L, Tremblay J, Vannasing P, Martínez-Montes E, Gallagher A. Parallel factor analysis for multidimensional decomposition of functional near-infrared spectroscopy data. Neurophotonics 2022; 9:045004. [PMID: 36405999 PMCID: PMC9665873 DOI: 10.1117/1.nph.9.4.045004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/03/2022] [Accepted: 09/29/2022] [Indexed: 06/16/2023]
Abstract
SIGNIFICANCE Current techniques for data analysis in functional near-infrared spectroscopy (fNIRS), such as artifact correction, do not allow to integrate the information originating from both wavelengths, considering only temporal and spatial dimensions of the signal's structure. Parallel factor analysis (PARAFAC) has previously been validated as a multidimensional decomposition technique in other neuroimaging fields. AIM We aimed to introduce and validate the use of PARAFAC for the analysis of fNIRS data, which is inherently multidimensional (time, space, and wavelength). APPROACH We used data acquired in 17 healthy adults during a verbal fluency task to compare the efficacy of PARAFAC for motion artifact correction to traditional two-dimensional decomposition techniques, i.e., target principal (tPCA) and independent component analysis (ICA). Correction performance was further evaluated under controlled conditions with simulated artifacts and hemodynamic response functions. RESULTS PARAFAC achieved significantly higher improvement in data quality as compared to tPCA and ICA. Correction in several simulated signals further validated its use and promoted it as a robust method independent of the artifact's characteristics. CONCLUSIONS This study describes the first implementation of PARAFAC in fNIRS and provides validation for its use to correct artifacts. PARAFAC is a promising data-driven alternative for multidimensional data analyses in fNIRS and this study paves the way for further applications.
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Affiliation(s)
- Alejandra Hüsser
- Research Center of the Sainte-Justine University Hospital, Neurodevelopmental Optical Imaging Laboratory (LIONlab), Montreal, Quebec, Canada
- Université de Montréal, Department of Psychology, Montréal, Quebec, Canada
| | - Laura Caron-Desrochers
- Research Center of the Sainte-Justine University Hospital, Neurodevelopmental Optical Imaging Laboratory (LIONlab), Montreal, Quebec, Canada
- Université de Montréal, Department of Psychology, Montréal, Quebec, Canada
| | - Julie Tremblay
- Research Center of the Sainte-Justine University Hospital, Neurodevelopmental Optical Imaging Laboratory (LIONlab), Montreal, Quebec, Canada
| | - Phetsamone Vannasing
- Research Center of the Sainte-Justine University Hospital, Neurodevelopmental Optical Imaging Laboratory (LIONlab), Montreal, Quebec, Canada
| | | | - Anne Gallagher
- Research Center of the Sainte-Justine University Hospital, Neurodevelopmental Optical Imaging Laboratory (LIONlab), Montreal, Quebec, Canada
- Université de Montréal, Department of Psychology, Montréal, Quebec, Canada
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Roger K, Vannasing P, Tremblay J, Bringas Vega ML, Bryce CP, Rabinowitz AG, Valdés-Sosa PA, Galler JR, Gallagher A. Impact of Early Childhood Malnutrition on Adult Brain Function: An Evoked-Related Potentials Study. Front Hum Neurosci 2022; 16:884251. [PMID: 35845242 PMCID: PMC9283562 DOI: 10.3389/fnhum.2022.884251] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2022] [Accepted: 05/27/2022] [Indexed: 11/13/2022] Open
Abstract
More than 200 million children under the age of 5 years are affected by malnutrition worldwide according to the World Health Organization. The Barbados Nutrition Study (BNS) is a 55-year longitudinal study on a Barbadian cohort with histories of moderate to severe protein-energy malnutrition (PEM) limited to the first year of life and a healthy comparison group. Using quantitative electroencephalography (EEG), differences in brain function during childhood (lower alpha1 activity and higher theta, alpha2 and beta activity) have previously been highlighted between participants who suffered from early PEM and controls. In order to determine whether similar differences persisted into adulthood, our current study used recordings obtained during a Go-No-Go task in a subsample of the original BNS cohort [population size (N) = 53] at ages 45–51 years. We found that previously malnourished adults [sample size (n) = 24] had a higher rate of omission errors on the task relative to controls (n = 29). Evoked-Related Potentials (ERP) were significantly different in participants with histories of early PEM, who presented with lower N2 amplitudes. These findings are typically associated with impaired conflict monitoring and/or attention deficits and may therefore be linked to the attentional and executive function deficits that have been previously reported in this cohort in childhood and again in middle adulthood.
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Affiliation(s)
- Kassandra Roger
- LION Lab, Sainte-Justine University Hospital Research Center, University of Montreal, Montreal, QC, Canada
| | - Phetsamone Vannasing
- LION Lab, Sainte-Justine University Hospital Research Center, University of Montreal, Montreal, QC, Canada
| | - Julie Tremblay
- LION Lab, Sainte-Justine University Hospital Research Center, University of Montreal, Montreal, QC, Canada
| | - Maria L. Bringas Vega
- MOE Key Lab for Neuroinformation, The Clinical Hospital of Chengdu Brain Science Institute, University of Electronic Science and Technology of China, Chengdu, China
| | | | | | - Pedro A. Valdés-Sosa
- MOE Key Lab for Neuroinformation, The Clinical Hospital of Chengdu Brain Science Institute, University of Electronic Science and Technology of China, Chengdu, China
| | - Janina R. Galler
- Division of Pediatric Gastroenterology and Nutrition, MassGeneral Hospital for Children, Boston, MA, United States
| | - Anne Gallagher
- LION Lab, Sainte-Justine University Hospital Research Center, University of Montreal, Montreal, QC, Canada
- *Correspondence: Anne Gallagher,
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Côté V, Knoth IS, Agbogba K, Vannasing P, Côté L, Major P, Michaud JL, Barlaam F, Lippé S. Differential auditory brain response abnormalities in two intellectual disability conditions: SYNGAP1 mutations and Down syndrome. Clin Neurophysiol 2021; 132:1802-1812. [PMID: 34130248 DOI: 10.1016/j.clinph.2021.03.054] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2020] [Revised: 03/06/2021] [Accepted: 03/31/2021] [Indexed: 10/21/2022]
Abstract
OBJECTIVE Altered sensory processing is common in intellectual disability (ID). Here, we study electroencephalographic responses to auditory stimulation in human subjects presenting a rare condition (mutations in SYNGAP1) which causes ID, epilepsy and autism. METHODS Auditory evoked potentials, time-frequency and inter-trial coherence analyses were used to compare subjects with SYNGAP1 mutations with Down syndrome (DS) and neurotypical (NT) participants (N = 61 ranging from three to 19 years of age). RESULTS Altered synchronization in the brain responses to sound were found in both ID groups. The SYNGAP1 mutations group showed less phase-locking in early time windows and lower frequency bands compared to NT, and in later time windows compared to NT and DS. Time-frequency analysis showed more power in beta-gamma in the SYNGAP1 group compared to NT participants. CONCLUSIONS This study indicated reduced synchronization as well as more high frequencies power in SYNGAP1 mutations, while maintained synchronization was found in the DS group. These results might reflect dysfunctional sensory information processing caused by excitation/inhibition imbalance, or an imperfect compensatory mechanism in SYNGAP1 mutations individuals. SIGNIFICANCE Our study is the first to reveal brain response abnormalities in auditory sensory processing in SYNGAP1 mutations individuals, that are distinct from DS, another ID condition.
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Affiliation(s)
- Valérie Côté
- Department of Psychology, University of Montreal, Montreal, Québec, Canada; CHU Sainte-Justine Research Center, Montreal, Quebec, Canada
| | - Inga S Knoth
- CHU Sainte-Justine Research Center, Montreal, Quebec, Canada
| | | | | | - Lucie Côté
- CHU Sainte-Justine Research Center, Montreal, Quebec, Canada
| | - Philippe Major
- CHU Sainte-Justine Research Center, Montreal, Quebec, Canada; Department of Pediatrics and Neurosciences, University of Montreal, Montreal, Quebec, Canada
| | - Jacques L Michaud
- CHU Sainte-Justine Research Center, Montreal, Quebec, Canada; Department of Pediatrics and Neurosciences, University of Montreal, Montreal, Quebec, Canada
| | - Fanny Barlaam
- CHU Sainte-Justine Research Center, Montreal, Quebec, Canada
| | - Sarah Lippé
- Department of Psychology, University of Montreal, Montreal, Québec, Canada; CHU Sainte-Justine Research Center, Montreal, Quebec, Canada.
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10
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Côté V, Lalancette È, Knoth IS, Côté L, Agbogba K, Vannasing P, Major P, Barlaam F, Michaud J, Lippé S. Distinct patterns of repetition suppression in Fragile X syndrome, down syndrome, tuberous sclerosis complex and mutations in SYNGAP1. Brain Res 2020; 1751:147205. [PMID: 33189692 DOI: 10.1016/j.brainres.2020.147205] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2020] [Revised: 10/31/2020] [Accepted: 11/08/2020] [Indexed: 12/29/2022]
Abstract
Sensory processing is the gateway to information processing and more complex processes such as learning. Alterations in sensory processing is a common phenotype of many genetic syndromes associated with intellectual disability (ID). It is currently unknown whether sensory processing alterations converge or diverge on brain responses between syndromes. Here, we compare for the first time four genetic conditions with ID using the same basic sensory learning paradigm. One hundred and five participants, aged between 3 and 30 years old, composing four clinical ID groups and one control group, were recruited: Fragile X syndrome (FXS; n = 14), tuberous sclerosis complex (TSC; n = 9), Down syndrome (DS; n = 19), SYNGAP1 mutations (n = 8) and Neurotypical controls (NT; n = 55)). All groups included female and male participants. Brain responses were recorded using electroencephalography (EEG) during an audio-visual task that involved three repetitions of the pronunciation of the phoneme /a/. Event Related Potentials (ERP) were used to: 1) compare peak-to-peak amplitudes between groups, 2) evaluate the presence of repetition suppression within each group and 3) compare the relative repetition suppression between groups. Our results revealed larger overall amplitudes in FXS. A repetition suppression (RS) pattern was found in the NT group, FXS and DS, suggesting spared repetition suppression in a multimodal task in these two ID syndromes. Interestingly, FXS presented a stronger RS on one peak-to-peak value in comparison with the NT. The results of our study reveal the distinctiveness of ERP and RS brain responses in ID syndromes. Further studies should be conducted to understand the molecular mechanisms involved in these patterns of responses.
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Affiliation(s)
- Valérie Côté
- Psychology Departement, Université de Montréal, Pavillon Marie-Victorin, 90, Avenue Vincent d'Indy, Montréal, QC H2V 2S9, Canada; NED Laboratory, Office 5.2.43, 3175 Chemin de la Côte-Sainte-Catherine, Montréal, QC H3T 1C5, Canada; Research Center UHC Sainte-Justine, 3175 Chemin de la Côte-Sainte-Catherine, Montréal, QC H3T 1C5, Canada.
| | - Ève Lalancette
- Psychology Departement, Université de Montréal, Pavillon Marie-Victorin, 90, Avenue Vincent d'Indy, Montréal, QC H2V 2S9, Canada; NED Laboratory, Office 5.2.43, 3175 Chemin de la Côte-Sainte-Catherine, Montréal, QC H3T 1C5, Canada; Research Center UHC Sainte-Justine, 3175 Chemin de la Côte-Sainte-Catherine, Montréal, QC H3T 1C5, Canada
| | - Inga S Knoth
- NED Laboratory, Office 5.2.43, 3175 Chemin de la Côte-Sainte-Catherine, Montréal, QC H3T 1C5, Canada; Research Center UHC Sainte-Justine, 3175 Chemin de la Côte-Sainte-Catherine, Montréal, QC H3T 1C5, Canada
| | - Lucie Côté
- Neurology Program, CHU Sainte-Justine, Montréal, 3175 Chemin de la Côte-Sainte-Catherine, QC H3T 1C5, Canada.
| | - Kristian Agbogba
- NED Laboratory, Office 5.2.43, 3175 Chemin de la Côte-Sainte-Catherine, Montréal, QC H3T 1C5, Canada; Research Center UHC Sainte-Justine, 3175 Chemin de la Côte-Sainte-Catherine, Montréal, QC H3T 1C5, Canada.
| | - Phetsamone Vannasing
- Research Center UHC Sainte-Justine, 3175 Chemin de la Côte-Sainte-Catherine, Montréal, QC H3T 1C5, Canada.
| | - Philippe Major
- Neurology Program, CHU Sainte-Justine, Montréal, 3175 Chemin de la Côte-Sainte-Catherine, QC H3T 1C5, Canada; Research Center UHC Sainte-Justine, 3175 Chemin de la Côte-Sainte-Catherine, Montréal, QC H3T 1C5, Canada.
| | - Fanny Barlaam
- NED Laboratory, Office 5.2.43, 3175 Chemin de la Côte-Sainte-Catherine, Montréal, QC H3T 1C5, Canada; Research Center UHC Sainte-Justine, 3175 Chemin de la Côte-Sainte-Catherine, Montréal, QC H3T 1C5, Canada
| | - Jacques Michaud
- Research Center UHC Sainte-Justine, 3175 Chemin de la Côte-Sainte-Catherine, Montréal, QC H3T 1C5, Canada.
| | - Sarah Lippé
- Psychology Departement, Université de Montréal, Pavillon Marie-Victorin, 90, Avenue Vincent d'Indy, Montréal, QC H2V 2S9, Canada; NED Laboratory, Office 5.2.43, 3175 Chemin de la Côte-Sainte-Catherine, Montréal, QC H3T 1C5, Canada; Research Center UHC Sainte-Justine, 3175 Chemin de la Côte-Sainte-Catherine, Montréal, QC H3T 1C5, Canada.
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11
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Gaudet I, Hüsser A, Vannasing P, Gallagher A. Functional Brain Connectivity of Language Functions in Children Revealed by EEG and MEG: A Systematic Review. Front Hum Neurosci 2020; 14:62. [PMID: 32226367 PMCID: PMC7080982 DOI: 10.3389/fnhum.2020.00062] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2019] [Accepted: 02/10/2020] [Indexed: 01/29/2023] Open
Abstract
The development of language functions is of great interest to neuroscientists, as these functions are among the fundamental capacities of human cognition. For many years, researchers aimed at identifying cerebral correlates of language abilities. More recently, the development of new data analysis tools has generated a shift toward the investigation of complex cerebral networks. In 2015, Weiss-Croft and Baldeweg published a very interesting systematic review on the development of functional language networks, explored through the use of functional magnetic resonance imaging (fMRI). Compared to fMRI and because of their excellent temporal resolution, magnetoencephalography (MEG) and electroencephalography (EEG) provide different and important information on brain activity. Both therefore constitute crucial neuroimaging techniques for the investigation of the maturation of functional language brain networks. The main objective of this systematic review is to provide a state of knowledge on the investigation of language-related cerebral networks in children, through the use of EEG and MEG, as well as a detailed portrait of relevant MEG and EEG data analysis methods used in that specific research context. To do so, we have summarized the results and systematically compared the methodological approach of 24 peer-reviewed EEG or MEG scientific studies that included healthy children and children with or at high risk of language disabilities, from birth up to 18 years of age. All included studies employed functional and effective connectivity measures, such as coherence, phase locking value, and Phase Slope Index, and did so using different experimental paradigms (e.g., at rest or during language-related tasks). This review will provide more insight into the use of EEG and MEG for the study of language networks in children, contribute to the current state of knowledge on the developmental path of functional connectivity in language networks during childhood and adolescence, and finally allow future studies to choose the most appropriate type of connectivity analysis.
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Affiliation(s)
- Isabelle Gaudet
- Laboratoire d'imagerie optique en neurodéveloppement (LIONLAB), Sainte-Justine University Hospital Research Center, Montréal, QC, Canada.,Department of Psychology, Université de Montréal, Montréal, QC, Canada
| | - Alejandra Hüsser
- Laboratoire d'imagerie optique en neurodéveloppement (LIONLAB), Sainte-Justine University Hospital Research Center, Montréal, QC, Canada.,Department of Psychology, Université de Montréal, Montréal, QC, Canada
| | - Phetsamone Vannasing
- Laboratoire d'imagerie optique en neurodéveloppement (LIONLAB), Sainte-Justine University Hospital Research Center, Montréal, QC, Canada
| | - Anne Gallagher
- Laboratoire d'imagerie optique en neurodéveloppement (LIONLAB), Sainte-Justine University Hospital Research Center, Montréal, QC, Canada.,Department of Psychology, Université de Montréal, Montréal, QC, Canada
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12
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Tremblay J, Martínez-Montes E, Vannasing P, Nguyen DK, Sawan M, Lepore F, Gallagher A. Comparison of source localization techniques in diffuse optical tomography for fNIRS application using a realistic head model. Biomed Opt Express 2018; 9:2994-3016. [PMID: 30619642 PMCID: PMC6033567 DOI: 10.1364/boe.9.002994] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/22/2018] [Revised: 05/18/2018] [Accepted: 05/26/2018] [Indexed: 05/24/2023]
Abstract
Functional near-infrared spectroscopy (fNIRS) is a non-invasive imaging technique that elicits growing interest for research and clinical applications. In the last decade, efforts have been made to develop a mathematical framework in order to image the effective sources of hemoglobin variations in brain tissues. Different approaches can be used to impose additional information or constraints when reconstructing the cerebral images of an ill-posed problem. The goal of this study is to compare the performance and limitations of several source localization techniques in the context of fNIRS tomography using individual anatomical magnetic resonance imaging (MRI) to model light propagation. The forward problem is solved using a Monte Carlo simulation of light propagation in the tissues. The inverse problem has been linearized using the Rytov approximation. Then, Tikhonov regularization applied to least squares, truncated singular value decomposition, back-projection, L1-norm regularization, minimum norm estimates, low resolution electromagnetic tomography and Bayesian model averaging techniques are compared using a receiver operating characteristic analysis, blurring and localization error measures. Using realistic simulations (n = 450) and data acquired from a human participant, this study depicts how these source localization techniques behave in a human head fNIRS tomography. When compared to other methods, Bayesian model averaging is proposed as a promising method in DOT and shows great potential to improve specificity, accuracy, as well as to reduce blurring and localization error even in presence of noise and deep sources. Classical reconstruction methods, such as regularized least squares, offer better sensitivity but higher blurring; while more novel L1-based method provides sparse solutions with small blurring and high specificity but lower sensitivity. The application of these methods is also demonstrated experimentally using visual fNIRS experiment with adult participant.
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Affiliation(s)
- Julie Tremblay
- LIONLAB, Centre de recherche du CHU Sainte-Justine, Université de Montréal, Montréal, Canada
| | | | - Phetsamone Vannasing
- LIONLAB, Centre de recherche du CHU Sainte-Justine, Université de Montréal, Montréal, Canada
| | - Dang K Nguyen
- Neurology Division, Centre hospitalier de l'Université de Montréal (CHUM), Hôpital Notre-Dame, Montréal, Canada
| | - Mohamad Sawan
- Polystim Neurotech Lab, Polytechnique Montréal, Montréal, Canada
| | - Franco Lepore
- Centre de recherche en neuropsychologie et cognition (CERNEC), Département de psychologie, Université de Montréal, Montréal, Canada
| | - Anne Gallagher
- LIONLAB, Centre de recherche du CHU Sainte-Justine, Université de Montréal, Montréal, Canada
- Centre de recherche en neuropsychologie et cognition (CERNEC), Département de psychologie, Université de Montréal, Montréal, Canada
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13
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Knoth IS, Lajnef T, Rigoulot S, Lacourse K, Vannasing P, Michaud JL, Jacquemont S, Major P, Jerbi K, Lippé S. Auditory repetition suppression alterations in relation to cognitive functioning in fragile X syndrome: a combined EEG and machine learning approach. J Neurodev Disord 2018; 10:4. [PMID: 29378522 PMCID: PMC5789548 DOI: 10.1186/s11689-018-9223-3] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/25/2016] [Accepted: 01/12/2018] [Indexed: 11/10/2022] Open
Abstract
Background Fragile X syndrome (FXS) is a neurodevelopmental genetic disorder causing cognitive and behavioural deficits. Repetition suppression (RS), a learning phenomenon in which stimulus repetitions result in diminished brain activity, has been found to be impaired in FXS. Alterations in RS have been associated with behavioural problems in FXS; however, relations between RS and intellectual functioning have not yet been elucidated. Methods EEG was recorded in 14 FXS participants and 25 neurotypical controls during an auditory habituation paradigm using repeatedly presented pseudowords. Non-phased locked signal energy was compared across presentations and between groups using linear mixed models (LMMs) in order to investigate RS effects across repetitions and brain areas and a possible relation to non-verbal IQ (NVIQ) in FXS. In addition, we explored group differences according to NVIQ and we probed the feasibility of training a support vector machine to predict cognitive functioning levels across FXS participants based on single-trial RS features. Results LMM analyses showed that repetition effects differ between groups (FXS vs. controls) as well as with respect to NVIQ in FXS. When exploring group differences in RS patterns, we found that neurotypical controls revealed the expected pattern of RS between the first and second presentations of a pseudoword. More importantly, while FXS participants in the ≤ 42 NVIQ group showed no RS, the > 42 NVIQ group showed a delayed RS response after several presentations. Concordantly, single-trial estimates of repetition effects over the first four repetitions provided the highest decoding accuracies in the classification between the FXS participant groups. Conclusion Electrophysiological measures of repetition effects provide a non-invasive and unbiased measure of brain responses sensitive to cognitive functioning levels, which may be useful for clinical trials in FXS. Electronic supplementary material The online version of this article (10.1186/s11689-018-9223-3) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Inga Sophia Knoth
- Neuroscience of Early Development (NED), 90 Avenue Vincent-D'indy, Montreal, QC, H2V 2S9, Canada. .,Research Center of the CHU Sainte-Justine Mother and Child University Hospital Center, 3175 Chemin Côte Ste-Catherine, Montreal, QC, H3T 1C5, Canada.
| | - Tarek Lajnef
- Department of Psychology, Université de Montréal, 90 Avenue Vincent-D'indy, Montreal, QC, H2V 2S9, Canada.,Centre de Recherche en Neuropsychologie et Cognition (CERNEC), 90 Avenue Vincent-D'indy, Montreal, QC, H2V 2S9, Canada
| | - Simon Rigoulot
- Neuroscience of Early Development (NED), 90 Avenue Vincent-D'indy, Montreal, QC, H2V 2S9, Canada.,Research Center of the CHU Sainte-Justine Mother and Child University Hospital Center, 3175 Chemin Côte Ste-Catherine, Montreal, QC, H3T 1C5, Canada.,Department of Psychology, Université de Montréal, 90 Avenue Vincent-D'indy, Montreal, QC, H2V 2S9, Canada.,Centre de Recherche en Neuropsychologie et Cognition (CERNEC), 90 Avenue Vincent-D'indy, Montreal, QC, H2V 2S9, Canada.,International Laboratory for Brain, Music and Sound Research (BRAMS), 1430 Boul Mont-Royal, Montreal, QC, H2V 2J2, Canada
| | - Karine Lacourse
- Research Center of the CHU Sainte-Justine Mother and Child University Hospital Center, 3175 Chemin Côte Ste-Catherine, Montreal, QC, H3T 1C5, Canada
| | - Phetsamone Vannasing
- Research Center of the CHU Sainte-Justine Mother and Child University Hospital Center, 3175 Chemin Côte Ste-Catherine, Montreal, QC, H3T 1C5, Canada
| | - Jacques L Michaud
- Research Center of the CHU Sainte-Justine Mother and Child University Hospital Center, 3175 Chemin Côte Ste-Catherine, Montreal, QC, H3T 1C5, Canada.,Faculty of Medicine, Université de Montréal, 2900 boulevard Édouard-Montpetit, Montréal, QC, H3T 1J4, Canada
| | - Sébastien Jacquemont
- Research Center of the CHU Sainte-Justine Mother and Child University Hospital Center, 3175 Chemin Côte Ste-Catherine, Montreal, QC, H3T 1C5, Canada
| | - Philippe Major
- Research Center of the CHU Sainte-Justine Mother and Child University Hospital Center, 3175 Chemin Côte Ste-Catherine, Montreal, QC, H3T 1C5, Canada
| | - Karim Jerbi
- Department of Psychology, Université de Montréal, 90 Avenue Vincent-D'indy, Montreal, QC, H2V 2S9, Canada.,Centre de Recherche en Neuropsychologie et Cognition (CERNEC), 90 Avenue Vincent-D'indy, Montreal, QC, H2V 2S9, Canada.,International Laboratory for Brain, Music and Sound Research (BRAMS), 1430 Boul Mont-Royal, Montreal, QC, H2V 2J2, Canada.,Centre de Recherche de l'Institut Universitaire en Santé Mentale de Montréal (CRIUSMM), 7401 Rue Hochelaga, Montréal, QC, H1N 3M5, Canada.,Centre de Recherche de l'Institut Universitaire de Gériatrie de Montréal (CRIUGM), 4565, chemin Queen-Mary, Montreal, QC, H3W 1W5, Canada
| | - Sarah Lippé
- Neuroscience of Early Development (NED), 90 Avenue Vincent-D'indy, Montreal, QC, H2V 2S9, Canada.,Research Center of the CHU Sainte-Justine Mother and Child University Hospital Center, 3175 Chemin Côte Ste-Catherine, Montreal, QC, H3T 1C5, Canada.,Department of Psychology, Université de Montréal, 90 Avenue Vincent-D'indy, Montreal, QC, H2V 2S9, Canada.,Centre de Recherche en Neuropsychologie et Cognition (CERNEC), 90 Avenue Vincent-D'indy, Montreal, QC, H2V 2S9, Canada.,International Laboratory for Brain, Music and Sound Research (BRAMS), 1430 Boul Mont-Royal, Montreal, QC, H2V 2J2, Canada
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14
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Kassab A, Le Lan J, Tremblay J, Vannasing P, Dehbozorgi M, Pouliot P, Gallagher A, Lesage F, Sawan M, Nguyen DK. Multichannel wearable fNIRS-EEG system for long-term clinical monitoring. Hum Brain Mapp 2017; 39:7-23. [PMID: 29058341 DOI: 10.1002/hbm.23849] [Citation(s) in RCA: 39] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2017] [Revised: 10/02/2017] [Accepted: 10/08/2017] [Indexed: 01/27/2023] Open
Abstract
Continuous brain imaging techniques can be beneficial for the monitoring of neurological pathologies (such as epilepsy or stroke) and neuroimaging protocols involving movement. Among existing ones, functional near-infrared spectroscopy (fNIRS) and electroencephalography (EEG) have the advantage of being noninvasive, nonobstructive, inexpensive, yield portable solutions, and offer complementary monitoring of electrical and local hemodynamic activities. This article presents a novel system with 128 fNIRS channels and 32 EEG channels with the potential to cover a larger fraction of the adult superficial cortex than earlier works, is integrated with 32 EEG channels, is light and battery-powered to improve portability, and can transmit data wirelessly to an interface for real-time display of electrical and hemodynamic activities. A novel fNIRS-EEG stretchable cap, two analog channels for auxiliary data (e.g., electrocardiogram), eight digital triggers for event-related protocols and an internal accelerometer for movement artifacts removal contribute to improve data acquisition quality. The system can run continuously for 24 h. Following instrumentation validation and reliability on a solid phantom, performance was evaluated on (1) 12 healthy participants during either a visual (checkerboard) task at rest or while pedalling on a stationary bicycle or a cognitive (language) task and (2) 4 patients admitted either to the epilepsy (n = 3) or stroke (n = 1) units. Data analysis confirmed expected hemodynamic variations during validation recordings and useful clinical information during in-hospital testing. To the best of our knowledge, this is the first demonstration of a wearable wireless multichannel fNIRS-EEG monitoring system in patients with neurological conditions. Hum Brain Mapp 39:7-23, 2018. © 2017 Wiley Periodicals, Inc.
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Affiliation(s)
- Ali Kassab
- Research Center, Centre Hospitalier Universitaire de Montréal, Université de Montréal, Montréal, Québec, H2X 0A9, Canada
| | - Jérôme Le Lan
- Department of Electrical Engineering, École Polytechnique de Montréal, Montréal, Québec, H3T 1J4, Canada
| | - Julie Tremblay
- Research Center, Hôpital Sainte-Justine, Université de Montréal, Montréal, Québec, H3T 1C4, Canada
| | - Phetsamone Vannasing
- Research Center, Hôpital Sainte-Justine, Université de Montréal, Montréal, Québec, H3T 1C4, Canada
| | - Mahya Dehbozorgi
- Department of Electrical Engineering, École Polytechnique de Montréal, Montréal, Québec, H3T 1J4, Canada
| | - Philippe Pouliot
- Department of Electrical Engineering, École Polytechnique de Montréal, Montréal, Québec, H3T 1J4, Canada.,Research Center, Montreal Heart Institute, Montréal, Québec, H1T 1C8, Canada
| | - Anne Gallagher
- Research Center, Hôpital Sainte-Justine, Université de Montréal, Montréal, Québec, H3T 1C4, Canada
| | - Frédéric Lesage
- Department of Electrical Engineering, École Polytechnique de Montréal, Montréal, Québec, H3T 1J4, Canada
| | - Mohamad Sawan
- Department of Electrical Engineering, École Polytechnique de Montréal, Montréal, Québec, H3T 1J4, Canada
| | - Dang Khoa Nguyen
- Research Center, Centre Hospitalier Universitaire de Montréal, Université de Montréal, Montréal, Québec, H2X 0A9, Canada.,Department of Neurology, Hôpital Notre-Dame (Centre Hospitalier de l'Université de Montréal), Montréal, Québec, H2L 4M1, Canada
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15
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Rigoulot S, Knoth IS, Lafontaine M, Vannasing P, Major P, Jacquemont S, Michaud JL, Jerbi K, Lippé S. Altered visual repetition suppression in Fragile X Syndrome: New evidence from ERPs and oscillatory activity. Int J Dev Neurosci 2017; 59:52-59. [DOI: 10.1016/j.ijdevneu.2017.03.008] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2016] [Revised: 12/31/2016] [Accepted: 03/17/2017] [Indexed: 12/13/2022] Open
Affiliation(s)
- Simon Rigoulot
- Departement de PsychologieUniversité de MontréalMontrealCanada
- Neuroscience of Early Development (NED)MontrealCanada
- Centre de Recherche en Neuropsychologie et Cognition (CERNEC)MontrealCanada
- Research Center of the CHU Ste‐Justine Mother and Child University Hospital Center, Université de MontrealQuebecCanada
- International Laboratory for Brain, Music and Sound Research (BRAMS)MontrealQuebecCanada
| | - Inga S. Knoth
- Neuroscience of Early Development (NED)MontrealCanada
- Centre de Recherche en Neuropsychologie et Cognition (CERNEC)MontrealCanada
- Research Center of the CHU Ste‐Justine Mother and Child University Hospital Center, Université de MontrealQuebecCanada
| | - Marc‐Philippe Lafontaine
- Departement de PsychologieUniversité de MontréalMontrealCanada
- Neuroscience of Early Development (NED)MontrealCanada
- Centre de Recherche en Neuropsychologie et Cognition (CERNEC)MontrealCanada
- Research Center of the CHU Ste‐Justine Mother and Child University Hospital Center, Université de MontrealQuebecCanada
| | - Phetsamone Vannasing
- Research Center of the CHU Ste‐Justine Mother and Child University Hospital Center, Université de MontrealQuebecCanada
| | - Philippe Major
- Research Center of the CHU Ste‐Justine Mother and Child University Hospital Center, Université de MontrealQuebecCanada
| | - Sébastien Jacquemont
- Research Center of the CHU Ste‐Justine Mother and Child University Hospital Center, Université de MontrealQuebecCanada
| | - Jacques L. Michaud
- Research Center of the CHU Ste‐Justine Mother and Child University Hospital Center, Université de MontrealQuebecCanada
| | - Karim Jerbi
- Departement de PsychologieUniversité de MontréalMontrealCanada
- Centre de Recherche en Neuropsychologie et Cognition (CERNEC)MontrealCanada
- International Laboratory for Brain, Music and Sound Research (BRAMS)MontrealQuebecCanada
- Centre de Recherche de l'Institut Universitaire en Santé Mentale de Montréal (CRIUSMM)
- Centre de Recherche de l'Institut Universitaire de Gériatrie de Montréal (CRIUGM)
| | - Sarah Lippé
- Departement de PsychologieUniversité de MontréalMontrealCanada
- Neuroscience of Early Development (NED)MontrealCanada
- Centre de Recherche en Neuropsychologie et Cognition (CERNEC)MontrealCanada
- Research Center of the CHU Ste‐Justine Mother and Child University Hospital Center, Université de MontrealQuebecCanada
- International Laboratory for Brain, Music and Sound Research (BRAMS)MontrealQuebecCanada
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Gallagher A, Tremblay J, Vannasing P. Language mapping in children using resting-state functional connectivity: comparison with a task-based approach. J Biomed Opt 2016; 21:125006. [PMID: 27992629 DOI: 10.1117/1.jbo.21.12.125006] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/26/2016] [Accepted: 11/21/2016] [Indexed: 06/06/2023]
Abstract
Patients with brain tumor or refractory epilepsy may be candidates for neurosurgery. Presurgical evaluation often includes language investigation to prevent or reduce the risk of postsurgical language deficits. Current techniques involve significant limitations with pediatric populations. Recently, near-infrared spectroscopy (NIRS) has been shown to be a valuable neuroimaging technique for language localization in children. However, it typically requires the child to perform a task (task-based NIRS), which may constitute a significant limitation. Resting-state functional connectivity NIRS (fcNIRS) is an approach that can be used to identify language networks at rest. This study aims to assess the utility of fcNIRS in children by comparing fcNIRS to more conventional task-based NIRS for language mapping in 33 healthy participants: 25 children (ages 3 to 16) and 8 adults. Data were acquired at rest and during a language task. Results show very good concordance between both approaches for language localization (Dice similarity coefficient = 0.81 ± 0.13 ) and hemispheric language dominance ( kappa = 0.86 , p < 0.006 ). The fcNIRS technique may be a valuable tool for language mapping in clinical populations, including children and patients with cognitive and behavioral impairments.
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Affiliation(s)
- Anne Gallagher
- CHU Sainte-Justine Research Center, Laboratoire d'Imagerie Optique en Neurodéveloppement (LIONLab), 3175 Chemin de la Côte-Sainte-Catherine, Montréal, Québec H3T 1C5, CanadabUniversité de Montréal, Centre de Recherche en Neuropsychologie et Cognition, Department of Psychology, Marie-Victorin Building, P.O. Box 6128 Centre-ville Station, 2900 Boulevard Édouard-Montpetit, Montréal, Québec H3T 1J4, Canada
| | - Julie Tremblay
- CHU Sainte-Justine Research Center, Laboratoire d'Imagerie Optique en Neurodéveloppement (LIONLab), 3175 Chemin de la Côte-Sainte-Catherine, Montréal, Québec H3T 1C5, CanadabUniversité de Montréal, Centre de Recherche en Neuropsychologie et Cognition, Department of Psychology, Marie-Victorin Building, P.O. Box 6128 Centre-ville Station, 2900 Boulevard Édouard-Montpetit, Montréal, Québec H3T 1J4, Canada
| | - Phetsamone Vannasing
- CHU Sainte-Justine Research Center, Laboratoire d'Imagerie Optique en Neurodéveloppement (LIONLab), 3175 Chemin de la Côte-Sainte-Catherine, Montréal, Québec H3T 1C5, CanadabUniversité de Montréal, Centre de Recherche en Neuropsychologie et Cognition, Department of Psychology, Marie-Victorin Building, P.O. Box 6128 Centre-ville Station, 2900 Boulevard Édouard-Montpetit, Montréal, Québec H3T 1J4, Canada
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Safi D, Béland R, Nguyen DK, Pouliot P, Mohamed IS, Vannasing P, Tremblay J, Lassonde M, Gallagher A. Recruitment of the left precentral gyrus in reading epilepsy: A multimodal neuroimaging study. Epilepsy Behav Case Rep 2016; 5:19-22. [PMID: 26909333 PMCID: PMC4744333 DOI: 10.1016/j.ebcr.2016.01.003] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/01/2015] [Revised: 12/18/2015] [Accepted: 01/09/2016] [Indexed: 11/17/2022]
Abstract
Purpose In a previous study, we investigated a 42-year-old male patient with primary reading epilepsy using continuous video-electroencephalography (EEG). Reading tasks induced left parasagittal spikes with a higher spike frequency when the phonological reading pathway was recruited compared to the lexical one. Here, we seek to localize the epileptogenic focus in the same patient as a function of reading pathway using multimodal neuroimaging. Methods and results The participant read irregular words and nonwords presented in a block-design paradigm during magnetoencephalography (MEG), functional near-infrared spectroscopy (fNIRS), and functional magnetic resonance imaging (fMRI) recordings, all combined with EEG. Spike analyses from MEG, fNIRS, and fMRI–EEGs data revealed an epileptic focus in the left precentral gyrus, and spike localization did not differ in lexical and phonological reading. Conclusion This study is the first to investigate ictogenesis in reading epilepsy during both lexical and phonological reading while using three different multimodal neuroimaging techniques. The somatosensory and motor control functions of the left precentral gyrus that are congruently involved in lexical as well as phonological reading can explain the identical spike localization in both reading pathways. The concurrence between our findings in this study and those from our previous one supports the role of the left precentral gyrus in phonological output computation as well as seizure activity in a case of reading epilepsy.
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Affiliation(s)
- Dima Safi
- Centre de Recherche du CHU Sainte-Justine, Montréal, Canada
- Département d'orthophonie, Université du Québec A Trois-Rivières, Trois-Rivières, Canada
- Corresponding author at: Département d'orthophonie, Local 3836 Pavillon de la Santé, Université du Québec A Trois-Rivières, 3351 Boulevard des Forges, Trois-Rivières, Québec, G9A5H7, Canada. Tel.: + 1 819 376 5011x3259.Département d'orthophonieUniversité du Québec A Trois-RivièresLocal 3836 Pavillon de la Santé3351 Boulevard des ForgesTrois-RivièresQuébecG9A5H7Canada
| | - Renée Béland
- Ecole d'orthophonie et d'audiologie, Université de Montréal, Montréal, Canada
| | | | | | | | | | - Julie Tremblay
- Centre de Recherche du CHU Sainte-Justine, Montréal, Canada
| | | | - Anne Gallagher
- Centre de Recherche du CHU Sainte-Justine, Montréal, Canada
- Département de Psychologie, Université de Montréal, Montréal, Canada
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Vannasing P, Cornaggia I, Vanasse C, Tremblay J, Diadori P, Perreault S, Lassonde M, Gallagher A. Potential brain language reorganization in a boy with refractory epilepsy; an fNIRS-EEG and fMRI comparison. Epilepsy Behav Case Rep 2016; 5:34-7. [PMID: 26977406 PMCID: PMC4782003 DOI: 10.1016/j.ebcr.2016.01.006] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/06/2016] [Revised: 01/27/2016] [Accepted: 01/30/2016] [Indexed: 04/12/2023]
Abstract
As part of a presurgical investigation for a resection of a tumor located in the left temporal brain region, we evaluated pre- and postsurgical language lateralization in a right-handed boy with refractory epilepsy. In this study, we compared functional near infrared spectroscopy (fNIRS) results obtained while the participant performed expressive and receptive language tasks with those obtained using functional magnetic resonance imaging (fMRI). This case study illustrates the potential for NIRS to contribute favorably to the localization of language functions in children with epilepsy and cognitive or behavioral problems and its potential advantages over fMRI in presurgical assessment. Moreover, it suggests that fNIRS is sensitive in localizing an atypical language network or potential brain reorganization related to epilepsy in young patients.
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Affiliation(s)
| | | | - Catherine Vanasse
- Division of Child Neurology, CHU Sainte-Justine, Montreal, Quebec, Canada
| | - Julie Tremblay
- CHU Sainte-Justine Research Center, Montreal, Quebec, Canada
| | - Paola Diadori
- CHU Sainte-Justine Research Center, Montreal, Quebec, Canada
- Division of Child Neurology, CHU Sainte-Justine, Montreal, Quebec, Canada
| | - Sébastien Perreault
- CHU Sainte-Justine Research Center, Montreal, Quebec, Canada
- Division of Child Neurology, CHU Sainte-Justine, Montreal, Quebec, Canada
| | - Maryse Lassonde
- CHU Sainte-Justine Research Center, Montreal, Quebec, Canada
- Psychology Department, Centre de Recherche de Neuropsychologie et Cognition (CERNEC), Université de Montréal, Quebec, Canada
| | - Anne Gallagher
- CHU Sainte-Justine Research Center, Montreal, Quebec, Canada
- Psychology Department, Centre de Recherche de Neuropsychologie et Cognition (CERNEC), Université de Montréal, Quebec, Canada
- Corresponding author at: Département de Psychologie, Université de Montréal, P.O. Box 6128, Downtown Station, Montreal, QC, Canada H3C 3J7. Phone: 514-345-4931 ext. 6409 Fax: 514-343-5787.Département de PsychologieUniversité de MontréalP.O. Box 6128, Downtown StationMontrealQCH3C 3J7Canada
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Sayeur MS, Lefrançois M, Vannasing P, Tremblay E, Lepore F, Lassonde M, McKerral M, Gallagher A. ISDN2014_0132: Early childhood development of visual texture segregation in full‐term and preterm born children. Int J Dev Neurosci 2015. [DOI: 10.1016/j.ijdevneu.2015.04.108] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
Affiliation(s)
- Mélissa Sue Sayeur
- Centre de rechercheCentre Hospitalier Universitaire Sainte‐JustineMontréalQuébecCanada
- Centre de Recherche en Neuropsychologie et Cognition (CERNEC)Département de PsychologieUniversité de MontréalMontréalQuébecCanada
| | - Mélanie Lefrançois
- Centre de rechercheCentre Hospitalier Universitaire Sainte‐JustineMontréalQuébecCanada
- Centre de Recherche en Neuropsychologie et Cognition (CERNEC)Département de PsychologieUniversité de MontréalMontréalQuébecCanada
| | - Phetsamone Vannasing
- Centre de rechercheCentre Hospitalier Universitaire Sainte‐JustineMontréalQuébecCanada
| | - Emmanuel Tremblay
- Centre de rechercheCentre Hospitalier Universitaire Sainte‐JustineMontréalQuébecCanada
- Centre de Recherche en Neuropsychologie et Cognition (CERNEC)Département de PsychologieUniversité de MontréalMontréalQuébecCanada
| | - Franco Lepore
- Centre de rechercheCentre Hospitalier Universitaire Sainte‐JustineMontréalQuébecCanada
- Centre de Recherche en Neuropsychologie et Cognition (CERNEC)Département de PsychologieUniversité de MontréalMontréalQuébecCanada
| | - Maryse Lassonde
- Centre de rechercheCentre Hospitalier Universitaire Sainte‐JustineMontréalQuébecCanada
- Centre de Recherche en Neuropsychologie et Cognition (CERNEC)Département de PsychologieUniversité de MontréalMontréalQuébecCanada
| | - Michelle McKerral
- Centre de Recherche en Neuropsychologie et Cognition (CERNEC)Département de PsychologieUniversité de MontréalMontréalQuébecCanada
| | - Anne Gallagher
- Centre de rechercheCentre Hospitalier Universitaire Sainte‐JustineMontréalQuébecCanada
- Centre de Recherche en Neuropsychologie et Cognition (CERNEC)Département de PsychologieUniversité de MontréalMontréalQuébecCanada
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Paquette N, Vannasing P, McKerral M, Lepore F, Lassonde M, Gallagher A. ISDN2014_0115: Born too soon? Cognitive and electrophysiological evaluation of atypical language processing in the prematurely born baby. Int J Dev Neurosci 2015. [DOI: 10.1016/j.ijdevneu.2015.04.094] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022] Open
Affiliation(s)
- Natacha Paquette
- Research CenterSainte‐Justine University Hospital CenterMontrealCanada
- Centre de Recherche en Neuropsychologie et CognitionDepartment of PsychologyUniversity of MontrealMontréalCanada
| | | | - Michelle McKerral
- Centre de Recherche en Neuropsychologie et CognitionDepartment of PsychologyUniversity of MontrealMontréalCanada
| | - Franco Lepore
- Research CenterSainte‐Justine University Hospital CenterMontrealCanada
- Centre de Recherche en Neuropsychologie et CognitionDepartment of PsychologyUniversity of MontrealMontréalCanada
| | - Maryse Lassonde
- Research CenterSainte‐Justine University Hospital CenterMontrealCanada
- Centre de Recherche en Neuropsychologie et CognitionDepartment of PsychologyUniversity of MontrealMontréalCanada
| | - Anne Gallagher
- Research CenterSainte‐Justine University Hospital CenterMontrealCanada
- Centre de Recherche en Neuropsychologie et CognitionDepartment of PsychologyUniversity of MontrealMontréalCanada
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Paquette N, Vannasing P, Tremblay J, Lefebvre F, Roy MS, McKerral M, Lepore F, Lassonde M, Gallagher A. Early electrophysiological markers of atypical language processing in prematurely born infants. Neuropsychologia 2015; 79:21-32. [DOI: 10.1016/j.neuropsychologia.2015.10.021] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2015] [Revised: 09/10/2015] [Accepted: 10/12/2015] [Indexed: 11/16/2022]
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Sayeur MS, Vannasing P, Tremblay E, Lepore F, McKerral M, Lassonde M, Gallagher A. Visual Development and Neuropsychological Profile in Preterm Children from 6 Months to School Age. J Child Neurol 2015; 30:1159-73. [PMID: 25414236 DOI: 10.1177/0883073814555188] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/24/2014] [Accepted: 09/19/2014] [Indexed: 11/15/2022]
Abstract
The aim of this semilongitudinal study was to investigate the development of central visual pathways in children born preterm but without major neurologic impairments and to establish their cognitive and behavioral profile at school age. Ten children born preterm were assessed at 6 months and at school age, using visual evoked potentials at both time points and cognitive and behavioral tests at school age. We also tested 10 age-matched children born full-term. At 6 months' corrected age, we found no significant differences between preterm and full-term groups for either amplitude or latency of N1 and P1 components. At school age, the preterm group manifested significantly higher N1 amplitudes and tended to show higher P1 amplitudes than the full-term group. We found no significant differences in cognitive and behavioral measures at school age. These results suggest that preterm birth affects visual pathways development, yet the children born preterm did not manifest cognitive problems.
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Affiliation(s)
- Mélissa Sue Sayeur
- Research Centre in Neuropsychology and Cognition, University of Montreal, Quebec, Canada Department of Psychology, University of Montreal, Quebec, Canada Research Centre, Sainte-Justine Hospital, Montreal, Quebec, Canada
| | | | - Emmanuel Tremblay
- Research Centre in Neuropsychology and Cognition, University of Montreal, Quebec, Canada Department of Psychology, University of Montreal, Quebec, Canada Research Centre, Sainte-Justine Hospital, Montreal, Quebec, Canada
| | - Franco Lepore
- Research Centre in Neuropsychology and Cognition, University of Montreal, Quebec, Canada Department of Psychology, University of Montreal, Quebec, Canada Research Centre, Sainte-Justine Hospital, Montreal, Quebec, Canada
| | - Michelle McKerral
- Research Centre in Neuropsychology and Cognition, University of Montreal, Quebec, Canada Department of Psychology, University of Montreal, Quebec, Canada
| | - Maryse Lassonde
- Research Centre in Neuropsychology and Cognition, University of Montreal, Quebec, Canada Department of Psychology, University of Montreal, Quebec, Canada Research Centre, Sainte-Justine Hospital, Montreal, Quebec, Canada
| | - Anne Gallagher
- Research Centre in Neuropsychology and Cognition, University of Montreal, Quebec, Canada Department of Psychology, University of Montreal, Quebec, Canada Research Centre, Sainte-Justine Hospital, Montreal, Quebec, Canada
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Birca A, Lassonde M, Lippé S, Lortie A, Vannasing P, Carmant L. Enhanced EEG connectivity in children with febrile seizures. Epilepsy Res 2015; 110:32-8. [DOI: 10.1016/j.eplepsyres.2014.11.008] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2014] [Revised: 10/23/2014] [Accepted: 11/11/2014] [Indexed: 01/09/2023]
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Boucher O, D'Hondt F, Tremblay J, Lepore F, Lassonde M, Vannasing P, Bouthillier A, Nguyen DK. Spatiotemporal dynamics of affective picture processing revealed by intracranial high-gamma modulations. Hum Brain Mapp 2015; 36:16-28. [PMID: 25142122 PMCID: PMC6869418 DOI: 10.1002/hbm.22609] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2014] [Revised: 07/15/2014] [Accepted: 08/04/2014] [Indexed: 11/09/2022] Open
Abstract
Our comprehension of the neural mechanisms underlying emotional information processing has largely benefited from noninvasive electrophysiological and functional neuroimaging techniques in recent years. However, the spatiotemporal dynamics of the neural events occurring during emotional processing remain imprecise due to the limited combination of spatial and temporal resolution provided by these techniques. This study examines the modulations of high-frequency activity of intracranial electroencephalography recordings associated with affective picture valence, in epileptic patients awaiting neurosurgery. Recordings were obtained from subdural grids and depth electrodes in eight patients while they viewed a series of unpleasant, pleasant and neutral pictures from the International Affective Picture System. Broadband high-gamma (70-150 Hz) power was computed for separate 100-ms time windows and compared according to ratings of emotional valence. Compared to emotionally neutral or pleasant pictures, unpleasant stimuli were associated with an early and long-lasting (≈200-1,000 ms) bilateral increase in high-gamma activity in visual areas of the occipital and temporal lobes, together with a late and transient (≈500-800 ms) decrease found bilaterally in the lateral prefrontal cortex (PFC). Pleasant pictures were associated with increased gamma activity in the occipital cortex, compared to the emotionally neutral stimuli. Consistent with previous studies, our results provide direct evidence of emotion-related modulations in the visual ventral pathway during picture processing. Results in the lateral PFC also shed light on the neural mechanisms underlying its role in negative emotions processing. This study demonstrates the utility of intracranial high-gamma modulations to study emotional process with a high spatiotemporal precision.
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Affiliation(s)
- Olivier Boucher
- Centre de Recherche en Neuropsychologie et Cognition, Département de psychologieUniversité de MontréalMontréalQuebecCanada
- Centre de recherche de l'Hôpital Sainte‐JustineHôpital Sainte‐JustineMontréalQuebecCanada
| | - Fabien D'Hondt
- Centre de Recherche en Neuropsychologie et Cognition, Département de psychologieUniversité de MontréalMontréalQuebecCanada
- Centre de recherche de l'Hôpital Sainte‐JustineHôpital Sainte‐JustineMontréalQuebecCanada
| | - Julie Tremblay
- Centre de recherche de l'Hôpital Sainte‐JustineHôpital Sainte‐JustineMontréalQuebecCanada
| | - Franco Lepore
- Centre de Recherche en Neuropsychologie et Cognition, Département de psychologieUniversité de MontréalMontréalQuebecCanada
| | - Maryse Lassonde
- Centre de Recherche en Neuropsychologie et Cognition, Département de psychologieUniversité de MontréalMontréalQuebecCanada
- Centre de recherche de l'Hôpital Sainte‐JustineHôpital Sainte‐JustineMontréalQuebecCanada
| | - Phetsamone Vannasing
- Centre de recherche de l'Hôpital Sainte‐JustineHôpital Sainte‐JustineMontréalQuebecCanada
| | - Alain Bouthillier
- Centre Hospitalier de l'Université de MontréalHôpital Notre‐DameMontréalQuebecCanada
| | - Dang Khoa Nguyen
- Centre Hospitalier de l'Université de MontréalHôpital Notre‐DameMontréalQuebecCanada
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Tremblay E, Vannasing P, Roy MS, Lefebvre F, Kombate D, Lassonde M, Lepore F, McKerral M, Gallagher A. Delayed early primary visual pathway development in premature infants: high density electrophysiological evidence. PLoS One 2014; 9:e107992. [PMID: 25268226 PMCID: PMC4182425 DOI: 10.1371/journal.pone.0107992] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2014] [Accepted: 08/20/2014] [Indexed: 11/18/2022] Open
Abstract
In the past decades, multiple studies have been interested in developmental patterns of the visual system in healthy infants. During the first year of life, differential maturational changes have been observed between the Magnocellular (P) and the Parvocellular (P) visual pathways. However, few studies investigated P and M system development in infants born prematurely. The aim of the present study was to characterize P and M system maturational differences between healthy preterm and fullterm infants through a critical period of visual maturation: the first year of life. Using a cross-sectional design, high-density electroencephalogram (EEG) was recorded in 31 healthy preterms and 41 fullterm infants of 3, 6, or 12 months (corrected age for premature babies). Three visual stimulations varying in contrast and spatial frequency were presented to stimulate preferentially the M pathway, the P pathway, or both systems simultaneously during EEG recordings. Results from early visual evoked potentials in response to the stimulation that activates simultaneously both systems revealed longer N1 latencies and smaller P1 amplitudes in preterm infants compared to fullterms. Moreover, preterms showed longer N1 and P1 latencies in response to stimuli assessing the M pathway at 3 months. No differences between preterms and fullterms were found when using the preferential P system stimulation. In order to identify the cerebral generator of each visual response, distributed source analyses were computed in 12-month-old infants using LORETA. Source analysis demonstrated an activation of the parietal dorsal region in fullterm infants, in response to the preferential M pathway, which was not seen in the preterms. Overall, these findings suggest that the Magnocellular pathway development is affected in premature infants. Although our VEP results suggest that premature children overcome, at least partially, the visual developmental delay with time, source analyses reveal abnormal brain activation of the Magnocellular pathway at 12 months of age.
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Affiliation(s)
- Emmanuel Tremblay
- Centre de Recherche, Centre Hospitalier Universitaire Ste-Justine, Montréal, Québec, Canada
- Centre de Recherche en Neuropsychologie et Cognition, Département de Psychologie, Université de Montréal, Montréal, Québec, Canada
| | - Phetsamone Vannasing
- Centre de Recherche, Centre Hospitalier Universitaire Ste-Justine, Montréal, Québec, Canada
| | - Marie-Sylvie Roy
- Département d′Ophtalmologie, Centre Hospitalier Universitaire Ste-Justine, Montréal, Québec, Canada
| | - Francine Lefebvre
- Centre de Recherche, Centre Hospitalier Universitaire Ste-Justine, Montréal, Québec, Canada
| | - Damelan Kombate
- Centre de Recherche en Neuropsychologie et Cognition, Département de Psychologie, Université de Montréal, Montréal, Québec, Canada
| | - Maryse Lassonde
- Centre de Recherche, Centre Hospitalier Universitaire Ste-Justine, Montréal, Québec, Canada
- Centre de Recherche en Neuropsychologie et Cognition, Département de Psychologie, Université de Montréal, Montréal, Québec, Canada
| | - Franco Lepore
- Centre de Recherche, Centre Hospitalier Universitaire Ste-Justine, Montréal, Québec, Canada
- Centre de Recherche en Neuropsychologie et Cognition, Département de Psychologie, Université de Montréal, Montréal, Québec, Canada
| | - Michelle McKerral
- Centre de Recherche en Neuropsychologie et Cognition, Département de Psychologie, Université de Montréal, Montréal, Québec, Canada
| | - Anne Gallagher
- Centre de Recherche, Centre Hospitalier Universitaire Ste-Justine, Montréal, Québec, Canada
- Centre de Recherche en Neuropsychologie et Cognition, Département de Psychologie, Université de Montréal, Montréal, Québec, Canada
- * E-mail:
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Bertrand JA, Tremblay J, Lassonde M, Vannasing P, Nguyen DK, Robert M, Bouthillier A, Lepore F. Recognizing an Object from the Sum of Its Parts: An Intracranial Study on Alpha Rhythms. J Cogn Neurosci 2014; 26:1797-805. [DOI: 10.1162/jocn_a_00582] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
Abstract
Little is known about the relation of alpha rhythms and object recognition. Alpha has been generally proposed to be associated with attention and memory and to be particularly important for the mediation of long-distance communication between neuronal populations. However, how these apply to object recognition is still unclear. This study aimed at describing the spatiotemporal dynamics of alpha rhythms while recognizing fragmented images of objects presented for the first time and presented again 24 hr later. Intracranial electroencephalography was performed in six epileptic patients undergoing presurgical evaluation. Time–frequency analysis revealed a strong alpha activity, mainly of the evoked type, propagating from posterior cerebral areas to anterior regions, which was similar whether the objects were recognized or not. Phase coherence analysis, however, showed clear phase synchronization specific for the moment of recognition. Twenty-four hr later, frontal regions displayed stronger alpha activity and more distributed phase synchronization than when images were presented for the first time. In conclusion, alpha amplitude seems to be related to nonspecific mechanism. Phase coherence analysis suggests a communicational role of alpha activity in object recognition, which may be important for the comparison between bottom–up representations and memory templates.
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Affiliation(s)
| | | | - Maryse Lassonde
- 1Université de Montréal
- 2Centre de Recherche de l'Hôpital Ste-Justine, Montréal
| | | | - Dang Khoa Nguyen
- 3Centre Hospitalier de l'Université de Montréal, Hôpital Notre-Dame
| | | | | | - Franco Lepore
- 1Université de Montréal
- 2Centre de Recherche de l'Hôpital Ste-Justine, Montréal
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Knoth IS, Vannasing P, Major P, Michaud JL, Lippé S. Alterations of visual and auditory evoked potentials in fragile X syndrome. Int J Dev Neurosci 2014; 36:90-7. [PMID: 24875778 DOI: 10.1016/j.ijdevneu.2014.05.003] [Citation(s) in RCA: 47] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2014] [Revised: 04/30/2014] [Accepted: 05/14/2014] [Indexed: 01/10/2023] Open
Abstract
BACKGROUND Fragile X Syndrome (FXS) is the most common monogenic form of intellectual disability and one of the few known monogenic causes of autism. It is caused by a trinucleotide repeat expansion in the FMR1 ('Fragile X Mental Retardation 1') gene, which prevents expression of the 'Fragile X Mental Retardation Protein' (FMRP). In FXS, the absence of FMRP leads to altered structural and functional development of the synapse, while preventing activity-based synapse maturation and synaptic pruning, which are essential for normal brain development and cognitive development. Possible impairments in information processing can be non-invasively investigated using electrophysiology. METHODS We compared auditory (AEP) and visual (VEP) evoked potentials in twelve adolescents and young adults (10-22 years) affected by FXS to healthy controls matched by chronological age (N=12) and developmental age of cognitive functioning (N=9; 5-7 years), using analysis of variance. RESULTS In the visual modality, the N70 and N2 amplitude have been found increased in FXS in comparison to the chronological, but not the developmental control group at occipital sites, whereas in the auditory modality N1, P2 and N2 amplitude as well as N2 latency have been found increased in FXS, relative to both chronological and developmental control groups at mid-central sites. CONCLUSIONS The AEP/VEP profile suggests disruptions in sensory processing specific to FXS that exceed immaturity of physiological activity. In addition, the auditory modality seems to be more affected than the visual modality. Results are discussed in light of possible underlying neuronal mechanisms, including deficits in synaptic pruning and neuronal inhibition that might account for a hyperreactive nervous system in FXS.
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Affiliation(s)
- Inga Sophia Knoth
- Research Center of the CHU Ste-Justine Mother and Child University Hospital Center, University of Montreal, Quebec, Canada; Psychology Department, University of Montreal, Quebec, Canada; Centre de Recherche en Neuropsychologie et Cognition, University of Montreal, Quebec, Canada.
| | - Phetsamone Vannasing
- Research Center of the CHU Ste-Justine Mother and Child University Hospital Center, University of Montreal, Quebec, Canada
| | - Philippe Major
- Research Center of the CHU Ste-Justine Mother and Child University Hospital Center, University of Montreal, Quebec, Canada
| | - Jacques L Michaud
- Research Center of the CHU Ste-Justine Mother and Child University Hospital Center, University of Montreal, Quebec, Canada
| | - Sarah Lippé
- Research Center of the CHU Ste-Justine Mother and Child University Hospital Center, University of Montreal, Quebec, Canada; Psychology Department, University of Montreal, Quebec, Canada; Centre de Recherche en Neuropsychologie et Cognition, University of Montreal, Quebec, Canada
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Pouliot P, Tran TPY, Birca V, Vannasing P, Tremblay J, Lassonde M, Nguyen DK. Hemodynamic changes during posterior epilepsies: an EEG-fNIRS study. Epilepsy Res 2014; 108:883-90. [PMID: 24755234 DOI: 10.1016/j.eplepsyres.2014.03.007] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2013] [Revised: 02/19/2014] [Accepted: 03/16/2014] [Indexed: 11/30/2022]
Abstract
Posterior epilepsies are mainly characterized clinically by visual symptoms. Functional near-infrared spectroscopy (fNIRS) is an emerging non-invasive imaging technique that has the potential to monitor hemodynamic changes during epileptic activity. Combined with electroencephalography (EEG), 9 patients with posterior epilepsies were recorded using EEG-fNIRS with large sampling (19 EEG electrodes and over 100 fNIRS channels). Spikes and seizures were carefully marked on EEG traces, and convolved with a standard hemodynamic response function for general linear model (GLM) analysis. GLM results for seizures (in 3 patients) and spikes (7 patients) were broadly sensitive to the epileptic focus in 7/9 patients, and specific in 5/9 patients with fNIRS deoxyhemoglobin responses lateralized to the correct lobe, and to plausible locations within the occipital or parietal lobes. This work provides evidence that EEG-fNIRS is a sensitive technique for monitoring posterior epileptic activity.
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Affiliation(s)
- Philippe Pouliot
- Département de génie électrique, École Polytechnique de Montréal, C.P. 6079, Succ. Centre-ville, Montréal, QC, Canada H3C3A7; Institut de cardiologie de Montréal, Centre de recherche, 5000 Rue Bélanger Est, Montréal, QC, Canada H1T1C8.
| | - Thi Phuoc Yen Tran
- Service de neurologie, Hôpital Notre-Dame du CHUM, 1560 Rue Sherbrooke Est, Montréal, QC, Canada H3L4M1
| | - Véronica Birca
- Service de neurologie, Hôpital Notre-Dame du CHUM, 1560 Rue Sherbrooke Est, Montréal, QC, Canada H3L4M1
| | - Phetsamone Vannasing
- Centre de recherche, Hôpital Sainte-Justine, 3175 Chemin de la côte-Sainte-Catherine, Montréal, QC, Canada H3T1C5
| | - Julie Tremblay
- Centre de recherche, Hôpital Sainte-Justine, 3175 Chemin de la côte-Sainte-Catherine, Montréal, QC, Canada H3T1C5
| | - Maryse Lassonde
- Centre de recherche, Hôpital Sainte-Justine, 3175 Chemin de la côte-Sainte-Catherine, Montréal, QC, Canada H3T1C5; Centre de recherche en neuropsychologie et cognition, Département de psychologie, Université de Montréal, Montréal, QC, Canada H3C3J7
| | - Dang Khoa Nguyen
- Service de neurologie, Hôpital Notre-Dame du CHUM, 1560 Rue Sherbrooke Est, Montréal, QC, Canada H3L4M1
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Peng K, Nguyen DK, Tayah T, Vannasing P, Tremblay J, Sawan M, Lassonde M, Lesage F, Pouliot P. fNIRS-EEG study of focal interictal epileptiform discharges. Epilepsy Res 2013; 108:491-505. [PMID: 24439212 DOI: 10.1016/j.eplepsyres.2013.12.011] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2013] [Revised: 10/22/2013] [Accepted: 12/05/2013] [Indexed: 10/25/2022]
Abstract
Functional near-infrared spectroscopy (fNIRS) acquired with electroencephalography (EEG) is a relatively new non-invasive neuroimaging technique with potential for long term monitoring of the epileptic brain. Simultaneous EEG-fNIRS recording allows the spatio-temporal reconstruction of the hemodynamic response in terms of the concentration changes in oxy-hemoglobin (HbO) and deoxy-hemoglobin (HbR) associated with recorded epileptic events such as interictal epileptic discharges (IEDs) or seizures. While most previous studies investigating fNIRS in epilepsy had limitations due to restricted spatial coverage and small sample sizes, this work includes a sufficiently large number of channels to provide an extensive bilateral coverage of the surface of the brain for a sample size of 40 patients with focal epilepsies. Topographic maps of significant activations due to each IED type were generated in four different views (dorsal, frontal, left and right) and were compared with the epileptic focus previously identified by an epileptologist. After excluding 5 patients due to the absence of IEDs and 6 more with mesial temporal foci too deep for fNIRS, we report that significant HbR (respectively HbO) concentration changes corresponding to IEDs were observed in 62% (resp. 38%) of patients with neocortical epilepsies. This HbR/HbO response was most significant in the epileptic focus region among all the activations in 28%/21% of patients.
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Affiliation(s)
- Ke Peng
- Département de génie électrique, École Polytechnique de Montréal, C.P. 6079, Succ. Centre-ville, Montréal, QC, Canada H3C3A7
| | - Dang Khoa Nguyen
- Service de neurologie, Hôpital Notre-Dame du CHUM, 1560 Rue Sherbrooke Est, Montréal, QC, Canada H3L4M1
| | - Tania Tayah
- Service de neurologie, Hôpital Notre-Dame du CHUM, 1560 Rue Sherbrooke Est, Montréal, QC, Canada H3L4M1
| | - Phetsamone Vannasing
- Centre de recherche, Hôpital Sainte-Justine, 3175 Chemin de la côte-Sainte-Catherine, Montréal, QC, Canada H3T1C5
| | - Julie Tremblay
- Centre de recherche, Hôpital Sainte-Justine, 3175 Chemin de la côte-Sainte-Catherine, Montréal, QC, Canada H3T1C5
| | - Mohamad Sawan
- Département de génie électrique, École Polytechnique de Montréal, C.P. 6079, Succ. Centre-ville, Montréal, QC, Canada H3C3A7
| | - Maryse Lassonde
- Centre de recherche, Hôpital Sainte-Justine, 3175 Chemin de la côte-Sainte-Catherine, Montréal, QC, Canada H3T1C5; Centre de recherche en neuropsychologie et cognition, Département de psychologie, Université de Montréal, Montréal, QC, Canada H3C3J7
| | - Frédéric Lesage
- Département de génie électrique, École Polytechnique de Montréal, C.P. 6079, Succ. Centre-ville, Montréal, QC, Canada H3C3A7; Institut de cardiologie de Montréal, Centre de recherche, 5000 Rue Bélanger Est, Montréal, QC, Canada H1T1C8
| | - Philippe Pouliot
- Département de génie électrique, École Polytechnique de Montréal, C.P. 6079, Succ. Centre-ville, Montréal, QC, Canada H3C3A7; Institut de cardiologie de Montréal, Centre de recherche, 5000 Rue Bélanger Est, Montréal, QC, Canada H1T1C8.
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Paquette N, Vannasing P, Lefrançois M, Lefebvre F, Roy MS, McKerral M, Lepore F, Lassonde M, Gallagher A. Neurophysiological Correlates of Auditory and Language Development: A Mismatch Negativity Study. Dev Neuropsychol 2013; 38:386-401. [DOI: 10.1080/87565641.2013.805218] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Sawan M, Salam MT, Le Lan J, Kassab A, Gelinas S, Vannasing P, Lesage F, Lassonde M, Nguyen DK. Wireless recording systems: from noninvasive EEG-NIRS to invasive EEG devices. IEEE Trans Biomed Circuits Syst 2013; 7:186-95. [PMID: 23853301 DOI: 10.1109/tbcas.2013.2255595] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/25/2023]
Abstract
In this paper, we present the design and implementation of a wireless wearable electronic system dedicated to remote data recording for brain monitoring. The reported wireless recording system is used for a) simultaneous near-infrared spectrometry (NIRS) and scalp electro-encephalography (EEG) for noninvasive monitoring and b) intracerebral EEG (icEEG) for invasive monitoring. Bluetooth and dual radio links were introduced for these recordings. The Bluetooth-based device was embedded in a noninvasive multichannel EEG-NIRS system for easy portability and long-term monitoring. On the other hand, the 32-channel implantable recording device offers 24-bit resolution, tunable features, and a sampling frequency up to 2 kHz per channel. The analog front-end preamplifier presents low input-referred noise of 5 μ VRMS and a signal-to-noise ratio of 112 dB. The communication link is implemented using a dual-band radio frequency transceiver offering a half-duplex 800 kb/s data rate, 16.5 mW power consumption and less than 10(-10) post-correction Bit-Error Rate (BER). The designed system can be accessed and controlled by a computer with a user-friendly graphical interface. The proposed wireless implantable recording device was tested in vitro using real icEEG signals from two patients with refractory epilepsy. The wirelessly recorded signals were compared to the original signals recorded using wired-connection, and measured normalized root-mean square deviation was under 2%.
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Affiliation(s)
- Mohamad Sawan
- Polystim Neurotechnologies Laboratory, Electrical Engineering Department, Polytechnique Montréal, QC H3T1J4, Canada.
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Nguyen DK, Tremblay J, Pouliot P, Vannasing P, Florea O, Carmant L, Lepore F, Sawan M, Lesage F, Lassonde M. Noninvasive continuous functional near-infrared spectroscopy combined with electroencephalography recording of frontal lobe seizures. Epilepsia 2012; 54:331-40. [DOI: 10.1111/epi.12011] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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Safi D, Lassonde M, Nguyen DK, Vannasing P, Tremblay J, Florea O, Morin-Moncet O, Lefrançois M, Béland R. Functional near-infrared spectroscopy for the assessment of overt reading. Brain Behav 2012; 2:825-37. [PMID: 23170245 PMCID: PMC3500469 DOI: 10.1002/brb3.100] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/12/2012] [Revised: 09/16/2012] [Accepted: 09/24/2012] [Indexed: 12/14/2022] Open
Abstract
Functional near-infrared spectroscopy (fNIRS) has become increasingly established as a promising technique for monitoring functional brain activity. To our knowledge, no study has yet used fNIRS to investigate overt reading of irregular words and nonwords with a full coverage of the cerebral regions involved in reading processes. The aim of our study was to design and validate a protocol using fNIRS for the assessment of overt reading. Twelve healthy French-speaking adults underwent one session of fNIRS recording while performing an overt reading of 13 blocks of irregular words and nonwords. Reading blocks were separated by baseline periods during which participants were instructed to fixate a cross. Sources (n = 55) and detectors (n = 16) were placed bilaterally over frontal, temporal, parietal, and occipital regions. Two wavelengths were used: 690 nm, more sensitive to deoxyhemoglobin (HbR) concentration changes, and 830 nm, more sensitive to oxyhemoglobin (HbO) concentration changes. For all participants, total hemoglobin (HbT) concentrations (HbO + HbR) were significantly higher than baseline for both irregular word and nonword reading in the inferior frontal gyri, the middle and superior temporal gyri, and the occipital cortices bilaterally. In the temporal gyri, although the difference was not significant, [HbT] values were higher in the left hemisphere. In the bilateral inferior frontal gyri, higher [HbT] values were found in nonword than in irregular word reading. This activation could be related to the grapheme-to-phoneme conversion characterizing the phonological pathway of reading. Our findings confirm that fNIRS is an appropriate technique to assess the neural correlates of overt reading.
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Affiliation(s)
- Dima Safi
- École d'orthophonie et d'audiologie, Université de Montréal Montréal, Canada ; Centre de recherche en neuropsychologie et cognition, Université de Montréal Montréal, Canada ; Centre de recherche de l'Hôpital Sainte-Justine, Hôpital Sainte-Justine Montréal, Canada
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Sayeur MS, McKerral M, Tremblay E, Vannasing P, Lepore F, Lassonde M. Development of visual texture segregation during early childhood. J Vis 2012. [DOI: 10.1167/12.9.473] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
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35
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Nguyen DK, Tremblay J, Pouliot P, Vannasing P, Florea O, Carmant L, Lepore F, Sawan M, Lesage F, Lassonde M. Non-invasive continuous EEG-fNIRS recording of temporal lobe seizures. Epilepsy Res 2012; 99:112-26. [DOI: 10.1016/j.eplepsyres.2011.10.035] [Citation(s) in RCA: 48] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2011] [Revised: 10/20/2011] [Accepted: 10/30/2011] [Indexed: 10/15/2022]
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Bastien D, Gallagher A, Tremblay J, Vannasing P, Thériault M, Lassonde M, Lepore F. Specific functional asymmetries of the human visual cortex revealed by functional near-infrared spectroscopy. Brain Res 2011; 1431:62-8. [PMID: 22137561 DOI: 10.1016/j.brainres.2011.11.008] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2011] [Revised: 11/02/2011] [Accepted: 11/03/2011] [Indexed: 10/15/2022]
Abstract
Based on multiple invasive reports and neuroimaging studies, it is well established that the cytoarchitecture of the visual cortex is related to its functional organization, namely, its retinotopy. The present study aimed to further investigate retinotopic mapping as well as specific vertical and horizontal functional asymmetries within the human visual cortex using functional near-infrared spectroscopy (fNIRS). Black and white wedge checkerboard stimuli were randomly presented to the four visual field (VF) quadrants of eight healthy adults in order to quantify and compare the localization and the amplitude of hemodynamic cortical responses to each VF quadrant. Results showed the expected activation in the contralateral hemisphere, with respect to the side of the stimulated quadrant. We also measured significantly stronger activations in the upper visual cortex when low hemifield stimuli were presented compared to activations in the lower visual cortex when upper hemifield stimuli were shown, especially when the stimulation was presented in the right visual field. These findings confirm the vertical asymmetry of the visual cortex previously reported by neuroimaging and behavioral studies. More importantly, the present work confirms the reliability of the fNIRS technique for functional mapping of the human brain.
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Affiliation(s)
- Danielle Bastien
- Centre de Recherche, Centre Hospitalier Universitaire Sainte-Justine, 3175 Chemin de la Côte Sainte-Catherine, Montréal, Canada H3T 1C5
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Lassonde M, Bastien D, Gallagher A, Tremblay J, Vannasing P, Lepore F. Specific functional asymmetries of the human visual cortex revealed by functional Near-Infrared Spectroscopy. J Vis 2011. [DOI: 10.1167/11.11.1068] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
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38
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Beauchemin M, Gonzalez-Frankenberger B, Tremblay J, Vannasing P, Martinez-Montes E, Belin P, Beland R, Francoeur D, Carceller AM, Wallois F, Lassonde M. Mother and Stranger: An Electrophysiological Study of Voice Processing in Newborns. Cereb Cortex 2010; 21:1705-11. [DOI: 10.1093/cercor/bhq242] [Citation(s) in RCA: 79] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Birca A, Carmant L, Lortie A, Vannasing P, Sauerwein H, Robert M, Lemay L, Wang XP, Piper D, Donici V, Lassonde M. Maturational changes of 5 Hz SSVEPs elicited by intermittent photic stimulation. Int J Psychophysiol 2010; 78:295-8. [PMID: 20849892 DOI: 10.1016/j.ijpsycho.2010.09.003] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2010] [Revised: 09/04/2010] [Accepted: 09/07/2010] [Indexed: 10/19/2022]
Abstract
We investigated the development of the magnitude and phase alignment of steady-state visual evoked potentials induced by 5 Hz intermittent photic stimulation in 46 children (3 to 16 years) and 8 adults, as a function of age. We found that, over the occipital region, magnitude values were the highest in 8-11-year old children, but decreased with age over all other cerebral regions. Phase alignment values increased with age over the occipital, parietal and frontal cerebral regions. We interpret these findings in terms of the development of functional interactions between different cortical areas involved in the processing of visual stimuli.
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Affiliation(s)
- Ala Birca
- Research Center, Centre Hospitalier Universitaire Mère-Enfant (Sainte-Justine), Université de Montréal, Montréal, QC, Canada
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Birca A, Carmant L, Lortie A, Vannasing P, Lassonde M. Gamma frequency SSVEP components differentiate children with febrile seizures from normal controls. Epilepsia 2008; 49:1946-9. [DOI: 10.1111/j.1528-1167.2008.01878.x] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Lassonde M, Gallagher A, Bastien D, Vannasing P, Lesage F, Grova C, Lepore F, Beland R, Nguyen D. 34. Non-invasive pre-surgical investigation of a 10 year-old epileptic boy using simultaneous EEG–NIRS, MEG–EEG and fMRI–EEG. Clin Neurophysiol 2008. [DOI: 10.1016/j.clinph.2008.04.050] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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42
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Gallagher A, Bastien D, Pelletier I, Vannasing P, Legatt AD, Moshé SL, Jehle R, Carmant L, Lepore F, Béland R, Lassonde M. A noninvasive, presurgical expressive and receptive language investigation in a 9-year-old epileptic boy using near-infrared spectroscopy. Epilepsy Behav 2008; 12:340-6. [PMID: 18063414 DOI: 10.1016/j.yebeh.2007.10.008] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/30/2007] [Revised: 10/02/2007] [Accepted: 10/03/2007] [Indexed: 11/26/2022]
Abstract
The intracarotid amobarbital test (IAT) is used for presurgical evaluation of language lateralization. However, this procedure has many limitations, especially in children. As an alternative to IAT, in the case described here, near-infrared spectroscopy (NIRS) was used to investigate expressive and receptive language lateralization as part of the presurgical evaluation of a 9-year-old Yiddish-speaking boy with a probable left temporal epileptic focus. This child could not tolerate IAT or functional MRI. He underwent two NIRS recording sessions while performing expressive and receptive language tasks. Results indicated predominantly left-sided expressive language in Broca's area with ipsilateral cortical recruitment of more posterior regions. Receptive language showed a bilateral cerebral pattern, perhaps as an expression of cerebral plasticity or compensation in this young patient. This case report illustrates that NIRS may contribute to presurgical investigation and could become a noninvasive alternative to IAT and functional MRI in determining speech lateralization in children.
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Affiliation(s)
- Anne Gallagher
- Centre de Recherche du Centre Hospitalier Universitaire Sainte-Justine, Montréal, QC, Canada
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Arcand C, Tremblay E, Vannasing P, Ouimet C, Roy MS, Fallaha N, Lepore F, Lassonde M, McKerral M. Development of visual texture segregation during the first year of life: a high-density electrophysiological study. Exp Brain Res 2007; 180:263-72. [PMID: 17265040 DOI: 10.1007/s00221-007-0854-y] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2006] [Accepted: 01/03/2007] [Indexed: 10/23/2022]
Abstract
There are important developmental changes occurring during infancy in visual cortical structures that underlie higher-order perceptual abilities. Using high-density electrophysiological recording techniques, the present study aimed to examine the development of visual mechanisms, during the first year of life, associated with texture segregation. Forty-two normal full term infants were tested at 1, 3, 6 or 12 months of age. Visual-evoked potentials to low-level stimuli varying in orientation (oriVEP) and higher-level textured stimuli (texVEP) were recorded from 128 scalp electrodes. Difference potentials were obtained to extract the VEP component associated specifically with texture segregation (tsVEP). Results show a clear developmental pattern regarding amplitude, latency and scalp distribution of tsVEP, which appears at around 3 months but does not reach maturity by 12 months of age. A reduction in latency is particularly evident between 3 and 6 months, whereas amplitude shows a gradual increase with a marked increment between 3 and 6 months for low-level orientation stimuli and between 6 and 12 months for higher-level textured stimuli. These developmental patterns are attributed to neural maturational processes such as myelination and synaptogenesis. The differential developmental rates can be explained by delayed maturational processes of brain regions involved in more complex visual processing.
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Affiliation(s)
- Claudine Arcand
- Centre de Recherche, Centre Hospitalier Universitaire Mère-Enfant Ste-Justine, Montréal, Canada
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Abstract
Our ability to discriminate and recognize human voices is amongst the most important functions of the human auditory system. The current study sought to determine whether electrophysiological markers could be used as objective measures of voice familiarity, by looking at the electrophysiological responses [mismatch negativity (MMN) and P3a] when the infrequent stimulus presented is a familiar voice as opposed to an unfamiliar voice. Results indicate that the MMN elicited by a familiar voice is greater than that elicited by an unfamiliar voice at FCz. The familiar voice also produced a greater P3a wave than that triggered by the unfamiliar voice at Fz. As both the MMN and the P3a were elicited as participants were instructed not to pay attention to incoming stimulation, these findings suggest that voice recognition is a particularly potent preattentive process whose neural representations can be objectively described through electrophysiological assessments.
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Affiliation(s)
- Maude Beauchemin
- Centre de Recherche, Hôpital Ste-Justine, 3175, Côte-Sainte-Catherine, Montréal QC, Canada H3T 1C5
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