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Alonso KW, Dahhan NZA, Riggs L, Tseng J, de Medeiros C, Scott M, Laughlin S, Bouffet E, Mabbott DJ. Network connectivity underlying episodic memory in children: Application of a pediatric brain tumor survivor injury model. Dev Sci 2024; 27:e13413. [PMID: 37218519 DOI: 10.1111/desc.13413] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2022] [Revised: 03/20/2023] [Accepted: 05/09/2023] [Indexed: 05/24/2023]
Abstract
Episodic memory involves personal experiences paired with their context. The Medial Temporal, Posterior Medial, Anterior Temporal, and Medial Prefrontal networks have been found to support the hippocampus in episodic memory in adults. However, there lacks a model that captures how the structural and functional connections of these networks interact to support episodic memory processing in children. Using diffusion-weighted imaging, magnetoencephalography, and memory tests, we quantified differences in white matter microstructure, neural communication, and episodic memory performance, respectively, of healthy children (n = 23) and children with reduced memory performance. Pediatric brain tumor survivors (PBTS; n = 24) were used as a model, as they exhibit reduced episodic memory and perturbations in white matter and neural communication. We observed that PBTS, compared to healthy controls, showed significantly (p < 0.05) (1) disrupted white matter microstructure between these episodic memory networks through lower fractional anisotropy and higher mean and axial diffusivity, (2) perturbed theta band (4-7 Hz) oscillatory synchronization in these same networks through higher weighted phase lag indices (wPLI), and (3) lower episodic memory performance in the Transverse Patterning and Children's Memory Scale (CMS) tasks. Using partial-least squares path modeling, we found that brain tumor treatment predicted network white matter damage, which predicted inter-network theta hypersynchrony and lower verbal learning (directly) and lower verbal recall (indirectly via theta hypersynchrony). Novel to the literature, our findings suggest that white matter modulates episodic memory through effect on oscillatory synchronization within relevant brain networks. RESEARCH HIGHLIGHTS: Investigates the relationship between structural and functional connectivity of episodic memory networks in healthy children and pediatric brain tumor survivors Pediatric brain tumor survivors demonstrate disrupted episodic memory, white matter microstructure and theta oscillatory synchronization compared to healthy children Findings suggest white matter microstructure modulates episodic memory through effects on oscillatory synchronization within relevant episodic memory networks.
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Affiliation(s)
- Katie Wade Alonso
- The Hospital for Sick Children, Toronto, Canada
- Department of Psychology, University of Toronto, Toronto, Canada
| | | | - Lily Riggs
- Holland Bloorview Kids Rehabilitation Hospital, Toronto, Canada
- Department of Pediatrics, University of Toronto, Toronto, Canada
| | - Julie Tseng
- The Hospital for Sick Children, Toronto, Canada
| | | | - Ming Scott
- The Hospital for Sick Children, Toronto, Canada
| | | | | | - Donald J Mabbott
- The Hospital for Sick Children, Toronto, Canada
- Department of Psychology, University of Toronto, Toronto, Canada
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Winkler F, Venkatesh HS, Amit M, Batchelor T, Demir IE, Deneen B, Gutmann DH, Hervey-Jumper S, Kuner T, Mabbott D, Platten M, Rolls A, Sloan EK, Wang TC, Wick W, Venkataramani V, Monje M. Cancer neuroscience: State of the field, emerging directions. Cell 2023; 186:1689-1707. [PMID: 37059069 PMCID: PMC10107403 DOI: 10.1016/j.cell.2023.02.002] [Citation(s) in RCA: 66] [Impact Index Per Article: 66.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2022] [Revised: 02/01/2023] [Accepted: 02/01/2023] [Indexed: 04/16/2023]
Abstract
The nervous system governs both ontogeny and oncology. Regulating organogenesis during development, maintaining homeostasis, and promoting plasticity throughout life, the nervous system plays parallel roles in the regulation of cancers. Foundational discoveries have elucidated direct paracrine and electrochemical communication between neurons and cancer cells, as well as indirect interactions through neural effects on the immune system and stromal cells in the tumor microenvironment in a wide range of malignancies. Nervous system-cancer interactions can regulate oncogenesis, growth, invasion and metastatic spread, treatment resistance, stimulation of tumor-promoting inflammation, and impairment of anti-cancer immunity. Progress in cancer neuroscience may create an important new pillar of cancer therapy.
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Affiliation(s)
- Frank Winkler
- Neurology Clinic and National Center for Tumor Diseases, University Hospital Heidelberg and Clinical Cooperation Unit Neurooncology, German Cancer Consortium (DKTK), German Cancer Research Center (DKFZ), Heidelberg, Germany.
| | - Humsa S Venkatesh
- Department of Neurology, Brigham and Women's Hospital, Boston, MA, USA
| | - Moran Amit
- Department of Head and Neck Surgery, MD Anderson Cancer Center and The University of Texas Graduate School of Biomedical Sciences, Houston, TX, USA
| | - Tracy Batchelor
- Department of Neurology, Brigham and Women's Hospital, Boston, MA, USA
| | - Ihsan Ekin Demir
- Department of Surgery, Technical University of Munich, Munich, Germany
| | - Benjamin Deneen
- Center for Stem Cells and Regenerative Medicine, Baylor College of Medicine, Houston, TX, USA
| | - David H Gutmann
- Department of Neurology, Washington University, St Louis, MO, USA
| | - Shawn Hervey-Jumper
- Department of Neurosurgery, University of California, San Francisco, San Francisco, CA, USA
| | - Thomas Kuner
- Department of Functional Neuroanatomy, University of Heidelberg, Heidelberg, Germany
| | - Donald Mabbott
- Department of Psychology, University of Toronto and Neuroscience & Mental Health Program, Research Institute, The Hospital for Sick Children, Toronto, Canada
| | - Michael Platten
- Department of Neurology, Medical Faculty Mannheim, University of Heidelberg, Heidelberg, Germany
| | - Asya Rolls
- Department of Immunology, Rappaport Faculty of Medicine, Technion - Israel Institute of Technology, Haifa, Israel
| | - Erica K Sloan
- Monash Institute of Pharmaceutical Sciences, Drug Discovery Biology Theme, Monash University, Parkville, VIC, Australia
| | - Timothy C Wang
- Department of Medicine, Division of Digestive and Gastrointestinal Diseases, Columbia University, New York, NY, USA
| | - Wolfgang Wick
- Neurology Clinic and National Center for Tumor Diseases, University Hospital Heidelberg and Clinical Cooperation Unit Neurooncology, German Cancer Consortium (DKTK), German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Varun Venkataramani
- Neurology Clinic and National Center for Tumor Diseases, University Hospital Heidelberg and Clinical Cooperation Unit Neurooncology, German Cancer Consortium (DKTK), German Cancer Research Center (DKFZ), Heidelberg, Germany; Department of Functional Neuroanatomy, University of Heidelberg, Heidelberg, Germany.
| | - Michelle Monje
- Department of Neurology and Neurological Sciences, Stanford University, Stanford, CA, USA; Howard Hughes Medical Institute, Stanford University, Stanford, CA, USA.
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Hocking MC, Schultz RT, Minturn JE, Brodsky C, Albee M, Herrington JD. Reduced Fusiform Gyrus Activation During Face Processing in Pediatric Brain Tumor Survivors. J Int Neuropsychol Soc 2022; 28:937-946. [PMID: 34605383 PMCID: PMC8977397 DOI: 10.1017/s135561772100117x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
OBJECTIVE The neural mechanisms contributing to the social problems of pediatric brain tumor survivors (PBTS) are unknown. Face processing is important to social communication, social behavior, and peer acceptance. Research with other populations with social difficulties, namely autism spectrum disorder, suggests atypical brain activation in areas important for face processing. This case-controlled functional magnetic resonance imaging (fMRI) study compared brain activation during face processing in PBTS and typically developing (TD) youth. METHODS Participants included 36 age-, gender-, and IQ-matched youth (N = 18 per group). PBTS were at least 5 years from diagnosis and 2 years from the completion of tumor therapy. fMRI data were acquired during a face identity task and a control condition. Groups were compared on activation magnitude within the fusiform gyrus for the faces condition compared to the control condition. Correlational analyses evaluated associations between neuroimaging metrics and indices of social behavior for PBTS participants. RESULTS Both groups demonstrated face-specific activation within the social brain for the faces condition compared to the control condition. PBTS showed significantly decreased activation for faces in the medial portions of the fusiform gyrus bilaterally compared to TD youth, ps ≤ .004. Higher peak activity in the left fusiform gyrus was associated with better socialization (r = .53, p < .05). CONCLUSIONS This study offers initial evidence of atypical activation in a key face processing area in PBTS. Such atypical activation may underlie some of the social difficulties of PBTS. Social cognitive neuroscience methodologies may elucidate the neurobiological bases for PBTS social behavior.
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Affiliation(s)
- Matthew C. Hocking
- Children’s Hospital of Philadelphia, 3401 Civic Center Blvd., Philadelphia, PA 19104, USA
- Perelman School of Medicine, University of Pennsylvania, 3400 Civic Center Blvd., Philadelphia, PA 19104, USA
- Correspondence and reprint requests to: Matthew C. Hocking, Ph.D., Division of Oncology, The Children’s Hospital of Philadelphia, 3615 Civic Center Blvd., 1427B Abramson Pediatric Research Center, Philadelphia, PA 19104, USA.
| | - Robert T. Schultz
- Children’s Hospital of Philadelphia, 3401 Civic Center Blvd., Philadelphia, PA 19104, USA
- Perelman School of Medicine, University of Pennsylvania, 3400 Civic Center Blvd., Philadelphia, PA 19104, USA
| | - Jane E. Minturn
- Children’s Hospital of Philadelphia, 3401 Civic Center Blvd., Philadelphia, PA 19104, USA
- Perelman School of Medicine, University of Pennsylvania, 3400 Civic Center Blvd., Philadelphia, PA 19104, USA
| | - Cole Brodsky
- Children’s Hospital of Philadelphia, 3401 Civic Center Blvd., Philadelphia, PA 19104, USA
| | - May Albee
- Children’s Hospital of Philadelphia, 3401 Civic Center Blvd., Philadelphia, PA 19104, USA
| | - John D. Herrington
- Perelman School of Medicine, University of Pennsylvania, 3400 Civic Center Blvd., Philadelphia, PA 19104, USA
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Cox E, Tseng J, Bells S, Dockstader C, Laughlin S, Bouffet E, de Medeiros C, Mabbott DJ. Neural and cognitive function in a pediatric brain injury model: The impact of task complexity. Cortex 2022; 155:307-321. [DOI: 10.1016/j.cortex.2022.05.025] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2021] [Revised: 03/26/2022] [Accepted: 05/23/2022] [Indexed: 11/03/2022]
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Al Dahhan NZ, Cox E, Nieman BJ, Mabbott DJ. Cross-translational models of late-onset cognitive sequelae and their treatment in pediatric brain tumor survivors. Neuron 2022; 110:2215-2241. [PMID: 35523175 DOI: 10.1016/j.neuron.2022.04.009] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2021] [Revised: 03/21/2022] [Accepted: 04/08/2022] [Indexed: 10/18/2022]
Abstract
Pediatric brain tumor treatments have a high success rate, but survivors are at risk of cognitive sequelae that impact long-term quality of life. We summarize recent clinical and animal model research addressing pathogenesis or evaluating candidate interventions for treatment-induced cognitive sequelae. Assayed interventions encompass a broad range of approaches, including modifications to radiotherapy, modulation of immune response, prevention of treatment-induced cell loss or promotion of cell renewal, manipulation of neuronal signaling, and lifestyle/environmental adjustments. We further emphasize the potential of neuroimaging as a key component of cross-translation to contextualize laboratory research within broader clinical findings. This cross-translational approach has the potential to accelerate discovery to improve pediatric cancer survivors' long-term quality of life.
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Affiliation(s)
- Noor Z Al Dahhan
- Neurosciences and Mental Health, Hospital for Sick Children, Toronto, ON, Canada
| | - Elizabeth Cox
- Neurosciences and Mental Health, Hospital for Sick Children, Toronto, ON, Canada; Department of Psychology, University of Toronto, Toronto, ON, Canada
| | - Brian J Nieman
- Translational Medicine, Hospital for Sick Children, Toronto, ON, Canada; Mouse Imaging Centre, Hospital for Sick Children, Toronto, ON, Canada; Department of Medical Biophysics, University of Toronto, Toronto, ON, Canada; Ontario Institute for Cancer Research, Toronto, ON, Canada
| | - Donald J Mabbott
- Neurosciences and Mental Health, Hospital for Sick Children, Toronto, ON, Canada; Department of Psychology, University of Toronto, Toronto, ON, Canada; Department of Psychology, Hospital for Sick Children, Toronto, ON, Canada.
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De Benedictis A, Rossi-Espagnet MC, de Palma L, Carai A, Marras CE. Networking of the Human Cerebellum: From Anatomo-Functional Development to Neurosurgical Implications. Front Neurol 2022; 13:806298. [PMID: 35185765 PMCID: PMC8854219 DOI: 10.3389/fneur.2022.806298] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2021] [Accepted: 01/13/2022] [Indexed: 11/13/2022] Open
Abstract
In the past, the cerebellum was considered to be substantially involved in sensory-motor coordination. However, a growing number of neuroanatomical, neuroimaging, clinical and lesion studies have now provided converging evidence on the implication of the cerebellum in a variety of cognitive, affective, social, and behavioral processes as well. These findings suggest a complex anatomo-functional organization of the cerebellum, involving a dense network of cortical territories and reciprocal connections with many supra-tentorial association areas. The final architecture of cerebellar networks results from a complex, highly protracted, and continuous development from childhood to adulthood, leading to integration between short-distance connections and long-range extra-cerebellar circuits. In this review, we summarize the current evidence on the anatomo-functional organization of the cerebellar connectome. We will focus on the maturation process of afferent and efferent neuronal circuitry, and the involvement of these networks in different aspects of neurocognitive processing. The final section will be devoted to identifying possible implications of this knowledge in neurosurgical practice, especially in the case of posterior fossa tumor resection, and to discuss reliable strategies to improve the quality of approaches while reducing postsurgical morbidity.
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Affiliation(s)
- Alessandro De Benedictis
- Neurosurgery Unit, Department of Neurosciences, Bambino Gesù Children's Hospital, Istituto di Ricovero e Cura a Carattere Scientifico, Rome, Italy
- *Correspondence: Alessandro De Benedictis
| | - Maria Camilla Rossi-Espagnet
- Neuroradiology Unit, Imaging Department, Bambino Gesù Children's Hospital, Istituto di Ricovero e Cura a Carattere Scientifico, Rome, Italy
| | - Luca de Palma
- Neurology Unit, Department of Neurosciences, Bambino Gesù Children's Hospital, Istituto di Ricovero e Cura a Carattere Scientifico, Rome, Italy
| | - Andrea Carai
- Neurosurgery Unit, Department of Neurosciences, Bambino Gesù Children's Hospital, Istituto di Ricovero e Cura a Carattere Scientifico, Rome, Italy
| | - Carlo Efisio Marras
- Neurosurgery Unit, Department of Neurosciences, Bambino Gesù Children's Hospital, Istituto di Ricovero e Cura a Carattere Scientifico, Rome, Italy
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Hocking MC, Walsh KS, Hardy KK, Conklin HM. Addressing Neurocognitive Late Effects in Pediatric Cancer Survivors: Current Approaches and Future Opportunities. J Clin Oncol 2021; 39:1824-1832. [PMID: 33886353 DOI: 10.1200/jco.20.02327] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Affiliation(s)
- Matthew C Hocking
- The Children's Hospital of Philadelphia, Philadelphia, PA.,The University of Pennsylvania, Philadelphia, PA
| | - Karin S Walsh
- Children's National Hospital, Washington, DC.,The George Washington University School of Medicine, Washington, DC
| | - Kristina K Hardy
- Children's National Hospital, Washington, DC.,The George Washington University School of Medicine, Washington, DC
| | - Heather M Conklin
- Department of Psychology, St. Jude Children's Research Hospital, Memphis, TN
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Meoded A, Goldenberg NA, Huisman TAGM. Structural Connectomics: State of the Art and Applications in Pediatric Neurodevelopmental Disorders, Neuro-Oncology, and Arterial Ischemic Stroke. J Pediatr 2020; 221S:S37-S42. [PMID: 32482233 DOI: 10.1016/j.jpeds.2020.01.056] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/06/2019] [Revised: 01/20/2020] [Accepted: 01/27/2020] [Indexed: 02/06/2023]
Affiliation(s)
- Avner Meoded
- Edward B. Singleton Department of Radiology, Section of Pediatric Neuroradiology, Texas Children's Hospital, Houston, TX.
| | - Neil A Goldenberg
- Department of Pediatrics and Medicine, Johns Hopkins University School of Medicine, Baltimore, MD; Stroke Program, Johns Hopkins Institute for Brain Protection Sciences, Johns Hopkins All Children's Hospital, St Petersburg, FL
| | - Thierry A G M Huisman
- Edward B. Singleton Department of Radiology, Section of Pediatric Neuroradiology, Texas Children's Hospital, Houston, TX
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Cox E, Bells S, Timmons BW, Laughlin S, Bouffet E, de Medeiros C, Beera K, Harasym D, Mabbott DJ. A controlled clinical crossover trial of exercise training to improve cognition and neural communication in pediatric brain tumor survivors. Clin Neurophysiol 2020; 131:1533-1547. [PMID: 32403066 DOI: 10.1016/j.clinph.2020.03.027] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2019] [Revised: 12/10/2019] [Accepted: 03/21/2020] [Indexed: 01/01/2023]
Abstract
OBJECTIVE To assess the efficacy of aerobic exercise training to improve controlled attention, information processing speed and neural communication during increasing task load and rest in pediatric brain tumor survivors (PBTS) treated with cranial radiation. METHODS Participants completed visual-motor Go and Go/No-Go tasks during magnetoencephalography recording prior to and following the completion of 12-weeks of exercise training. Exercise-related changes in response accuracy and visual-motor latency were evaluated with Linear Mixed models. The Phase Lag Index (PLI) was used to estimate functional connectivity during task performance and rest. Changes in PLI values after exercise training were assessed using Partial Least Squares analysis. RESULTS Exercise training predicted sustained (12-weeks) improvement in response accuracy (p<0.05) during No-Go trials. Altered functional connectivity was detected in theta (4-7Hz) alpha (8-12Hz) and high gamma (60-100Hz) frequency bands (p<0.001) during Go and Go/No-Go trials. Significant changes in response latency and resting state connectivity were not detected. CONCLUSION These findings support the efficacy of aerobic exercise to improve controlled attention and enhance functional mechanisms under increasing task load in participants. SIGNIFICANCE It may be possible to harness the beneficial effects of exercise as therapy to promote cognitive recovery and enhance brain function in PBTS.
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Affiliation(s)
- Elizabeth Cox
- Neurosciences & Mental Health, SickKids, 686 Bay Street, Toronto, ON M5G 0A4, Canada; Department of Psychology, University of Toronto, 100 St. George Street, Toronto, ON M5S 3G3, Canada.
| | - Sonya Bells
- Neurosciences & Mental Health, SickKids, 686 Bay Street, Toronto, ON M5G 0A4, Canada.
| | - Brian W Timmons
- Department of Pediatrics, McMaster University, 1200 Main Street W., Hamilton, ON L8N 3Z5, Canada.
| | - Suzanne Laughlin
- Diagnostic Imaging, SickKids, 555 University Avenue, Toronto, ON M5G 1X8, Canada.
| | - Eric Bouffet
- Neurosciences & Mental Health, SickKids, 686 Bay Street, Toronto, ON M5G 0A4, Canada.
| | - Cynthia de Medeiros
- Neurosciences & Mental Health, SickKids, 686 Bay Street, Toronto, ON M5G 0A4, Canada.
| | - Kiran Beera
- Neurosciences & Mental Health, SickKids, 686 Bay Street, Toronto, ON M5G 0A4, Canada.
| | - Diana Harasym
- Neurosciences & Mental Health, SickKids, 686 Bay Street, Toronto, ON M5G 0A4, Canada.
| | - Donald J Mabbott
- Neurosciences & Mental Health, SickKids, 686 Bay Street, Toronto, ON M5G 0A4, Canada; Department of Psychology, University of Toronto, 100 St. George Street, Toronto, ON M5S 3G3, Canada.
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