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Vavassori L, Venturini M, Zigiotto L, Annicchiarico L, Corsini F, Avesani P, Petit L, De Benedictis A, Sarubbo S. The arcuate fasciculus: Combining structure and function into surgical considerations. Brain Behav 2023; 13:e3107. [PMID: 37280786 PMCID: PMC10454270 DOI: 10.1002/brb3.3107] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/18/2023] [Revised: 03/19/2023] [Accepted: 05/18/2023] [Indexed: 06/08/2023] Open
Abstract
BACKGROUND Two Centuries from today, Karl Friedrich Burdach attributed the nomenclature "arcuate fasciculus" to a white matter (WM) pathway connecting the frontal to the temporal cortices by arching around the Sylvian fissure. Although this label remained essentially unvaried, the concepts related to it and the characterization of the structural properties of this bundle evolved along with the methodological progress of the past years. Concurrently, the functional relevance of the arcuate fasciculus (AF) classically restricted to the linguistic domain has extended to further cognitive abilities. These features make it a relevant structure to consider in a large variety of neurosurgical procedures. OBJECTIVE Herein, we build on our previous review uncovering the connectivity provided by the Superior Longitudinal System, including the AF, and provide a handy representation of the structural organization of the AF by considering the frequency of defined reports in the literature. By adopting the same approach, we implement an account of which functions are mediated by this WM bundle. We highlight how this information can be transferred to the neurosurgical field by presenting four surgical cases of glioma resection requiring the evaluation of the relationship between the AF and the nearby structures, and the safest approaches to adopt. CONCLUSIONS Our cumulative overview reports the most common wiring patterns and functional implications to be expected when approaching the study of the AF, while still considering seldom descriptions as an account of interindividual variability. Given its extension and the variety of cortical territories it reaches, the AF is a pivotal structure for different cognitive functions, and thorough understanding of its structural wiring and the functions it mediates is necessary for preserving the patient's cognitive abilities during glioma resection.
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Affiliation(s)
- Laura Vavassori
- Department of NeurosurgeryAzienda Provinciale per i Servizi Sanitari (APSS), “S. Chiara” HospitalTrento Provincia Autonoma di TrentoItaly
- Center for Mind and Brain Sciences (CIMeC)University of TrentoTrento Provincia Autonoma di TrentoItaly
| | - Martina Venturini
- Department of NeurosurgeryAzienda Provinciale per i Servizi Sanitari (APSS), “S. Chiara” HospitalTrento Provincia Autonoma di TrentoItaly
| | - Luca Zigiotto
- Department of NeurosurgeryAzienda Provinciale per i Servizi Sanitari (APSS), “S. Chiara” HospitalTrento Provincia Autonoma di TrentoItaly
| | - Luciano Annicchiarico
- Department of NeurosurgeryAzienda Provinciale per i Servizi Sanitari (APSS), “S. Chiara” HospitalTrento Provincia Autonoma di TrentoItaly
| | - Francesco Corsini
- Department of NeurosurgeryAzienda Provinciale per i Servizi Sanitari (APSS), “S. Chiara” HospitalTrento Provincia Autonoma di TrentoItaly
| | - Paolo Avesani
- Center for Mind and Brain Sciences (CIMeC)University of TrentoTrento Provincia Autonoma di TrentoItaly
- Neuroinfrmatics Laboratory (NiLab)Bruno Kessler FoundationPovo Provincia Autonoma di TrentoItaly
| | - Laurent Petit
- Groupe d'Imagerie Neurofonctionnelle, Institut des Maladies Neurodégénératives (GIN‐IMN), UMR5293, CNRS, CEAUniversity of BordeauxBordeauxFrance
| | | | - Silvio Sarubbo
- Department of NeurosurgeryAzienda Provinciale per i Servizi Sanitari (APSS), “S. Chiara” HospitalTrento Provincia Autonoma di TrentoItaly
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Olivé G, Peñaloza C, Vaquero L, Laine M, Martin N, Rodriguez-Fornells A. The right uncinate fasciculus supports verbal short-term memory in aphasia. Brain Struct Funct 2023; 228:875-893. [PMID: 37005932 PMCID: PMC10147778 DOI: 10.1007/s00429-023-02628-9] [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: 09/13/2022] [Accepted: 03/05/2023] [Indexed: 04/04/2023]
Abstract
Verbal short-term memory (STM) deficits are associated with language processing impairments in people with aphasia. Importantly, the integrity of STM can predict word learning ability and anomia therapy gains in aphasia. While the recruitment of perilesional and contralesional homologous brain regions has been proposed as a possible mechanism for aphasia recovery, little is known about the white-matter pathways that support verbal STM in post-stroke aphasia. Here, we investigated the relationships between the language-related white matter tracts and verbal STM ability in aphasia. Nineteen participants with post-stroke chronic aphasia completed a subset of verbal STM subtests of the TALSA battery including nonword repetition (phonological STM), pointing span (lexical-semantic STM without language output) and repetition span tasks (lexical-semantic STM with language output). Using a manual deterministic tractography approach, we investigated the micro- and macrostructural properties of the structural language network. Next, we assessed the relationships between individually extracted tract values and verbal STM scores. We found significant correlations between volume measures of the right Uncinate Fasciculus and all three verbal STM scores, with the association between the right UF volume and nonword repetition being the strongest one. These findings suggest that the integrity of the right UF is associated with phonological and lexical-semantic verbal STM ability in aphasia and highlight the potential compensatory role of right-sided ventral white matter language tracts in supporting verbal STM after aphasia-inducing left hemisphere insult.
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Affiliation(s)
- Guillem Olivé
- Department of Cognition, Development and Educational Psychology, University of Barcelona, Barcelona, Spain.
- Cognition and Brain Plasticity Group, Bellvitge Biomedical Research Institute (IDIBELL), L'Hospitalet de Llobregat, Barcelona, Spain.
| | - Claudia Peñaloza
- Department of Cognition, Development and Educational Psychology, University of Barcelona, Barcelona, Spain
- Cognition and Brain Plasticity Group, Bellvitge Biomedical Research Institute (IDIBELL), L'Hospitalet de Llobregat, Barcelona, Spain
- Institute of Neurosciences, University of Barcelona, Barcelona, Spain
| | - Lucía Vaquero
- Legal Medicine, Psychiatry and Pathology Department, Faculty of Medicine, Complutense University of Madrid, Madrid, Spain
- Center for Cognitive and Computational Neuroscience, Complutense University of Madrid, Madrid, Spain
| | - Matti Laine
- Department of Psychology, Åbo Akademi University, Turku, Finland
| | - Nadine Martin
- Department of Communication Sciences and Disorders, Eleanor M. Saffran Center for Cognitive Neuroscience, Temple University, Philadelphia, PA, USA
| | - Antoni Rodriguez-Fornells
- Department of Cognition, Development and Educational Psychology, University of Barcelona, Barcelona, Spain.
- Cognition and Brain Plasticity Group, Bellvitge Biomedical Research Institute (IDIBELL), L'Hospitalet de Llobregat, Barcelona, Spain.
- Institute of Neurosciences, University of Barcelona, Barcelona, Spain.
- Institució Catalana de Recerca i Estudis Avançats, ICREA, 08010, Barcelona, Spain.
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Lévi-Strauss J, Hmeydia G, Benzakoun J, Bouchereau E, Hermann B, Legouy C, Oppenheim C, Sharshar T, Gavaret M, Pruvost-Robieux E. Discrepancies in the late auditory potentials of post-anoxic patients: watch out for focal brain lesions, a pilot retrospective study. Resuscitation 2023; 187:109801. [PMID: 37085038 DOI: 10.1016/j.resuscitation.2023.109801] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2023] [Revised: 03/22/2023] [Accepted: 04/11/2023] [Indexed: 04/23/2023]
Abstract
AIMS Late auditory evoked potentials, and notably mismatch negativity (MMN) and P3 responses, can be used as part of the multimodal prognostic evaluation in post-anoxic disorders of consciousness (DOC). MMN response preferentially stems from the temporal cortex and the arcuate fasciculus. Situations with discrepant evaluations, for example MMN absent but P3 present, are frequent and difficult to interpret. We hypothesize that discrepant MMN-/P3+ results could reflect a higher prevalence of lesions in MMN generating regions. This study presents correlations between neurophysiological and neuroradiological results. METHODS This retrospective study was conducted on 38 post-anoxic DOC patients. Brain lesions were analyzed on 3T MRI both anatomically and through computation of the local arcuate fasciculus fractional anisotropy values on Diffusion Tensor Imaging sequences. Neurophysiological data and outcome were also analyzed. RESULTS Our cohort included 8 MMN-/P3+, 7 MMN+/P3+, 21 MMN-/P3- and 2 MMN-/P3+ patients, assessed at a median delay of 20.5 days since cardiac arrest. Our results show that MMN-/P3+ patients tended to have fewer temporal and basal ganglia lesions than MMN-/P3- patients, and more than MMN+/P3+ patients (p-values for trend: p=0.02 for temporal and p=0.02 for basal ganglia lesions). There was a statistical difference across groups for mean fractional anisotropy values in the arcuate fasciculus (p=0.008). The percentage of patients regaining consciousness at three months in MMN-/P3+ patients was higher than in MMN-/P3- patients and lower than in MMN+/P3+ patients. CONCLUSION This study suggests that discrepancies in late auditory evoked potentials may be linked to focal post-anoxic brain lesions, visible on brain MRI.
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Affiliation(s)
- Julie Lévi-Strauss
- University Paris Cité, Paris, France Neurophysiology department, GHU Psychiatry & Neurosciences,Sainte Anne, F-75014 Paris INSERM U 1266, FHU NeuroVasc, Institut de Psychiatrie et Neurosciences de Paris-IPNP, F-75014 Paris.
| | - Ghazi Hmeydia
- University Paris Cité, Paris, France, Neuroradiology department, GHU Psychiatry & Neurosciences, Sainte Anne, F-75014 Paris INSERM UMR 1266, FHU NeuroVasc, Institut de Psychiatrie et Neurosciences de Paris-IPNP, F-75014 Paris
| | - Joseph Benzakoun
- University Paris Cité, Paris, France, Neuroradiology department, GHU Psychiatry & Neurosciences, Sainte Anne, F-75014 Paris INSERM UMR 1266, FHU NeuroVasc, Institut de Psychiatrie et Neurosciences de Paris-IPNP, F-75014 Paris
| | - Eléonore Bouchereau
- University Paris Cité, Paris, France Neuro-intensive care department, GHU Psychiatry & Neurosciences, Sainte Anne, F-75014 Paris INSERM UMR 1266, FHU NeuroVasc, Institut de Psychiatrie et Neurosciences de Paris-IPNP, F-75014 Paris
| | - Bertrand Hermann
- University Paris Cité, Paris, France Neuro-intensive care department, GHU Psychiatry & Neurosciences, Sainte Anne, F-75014 Paris INSERM UMR 1266, FHU NeuroVasc, Institut de Psychiatrie et Neurosciences de Paris-IPNP, F-75014 Paris; University Paris Cité, Paris, France Medical intensive care unit, HEGP Hospital, Assistance Publique - Hôpitaux de Paris-Centre (APHP-Centre), Paris, France; Institut du Cerveau et de la Moelle épinière - ICM, INSERM U1127, CNRS UMR 7225, F-75013, Paris, France
| | - Camille Legouy
- University Paris Cité, Paris, France Neuro-intensive care department, GHU Psychiatry & Neurosciences, Sainte Anne, F-75014 Paris INSERM UMR 1266, FHU NeuroVasc, Institut de Psychiatrie et Neurosciences de Paris-IPNP, F-75014 Paris
| | - Catherine Oppenheim
- University Paris Cité, Paris, France, Neuroradiology department, GHU Psychiatry & Neurosciences, Sainte Anne, F-75014 Paris INSERM UMR 1266, FHU NeuroVasc, Institut de Psychiatrie et Neurosciences de Paris-IPNP, F-75014 Paris
| | - Tarek Sharshar
- University Paris Cité, Paris, France Neuro-intensive care department, GHU Psychiatry & Neurosciences, Sainte Anne, F-75014 Paris INSERM UMR 1266, FHU NeuroVasc, Institut de Psychiatrie et Neurosciences de Paris-IPNP, F-75014 Paris
| | - Martine Gavaret
- University Paris Cité, Paris, France Neurophysiology department, GHU Psychiatry & Neurosciences,Sainte Anne, F-75014 Paris INSERM U 1266, FHU NeuroVasc, Institut de Psychiatrie et Neurosciences de Paris-IPNP, F-75014 Paris
| | - Estelle Pruvost-Robieux
- University Paris Cité, Paris, France Neurophysiology department, GHU Psychiatry & Neurosciences,Sainte Anne, F-75014 Paris INSERM U 1266, FHU NeuroVasc, Institut de Psychiatrie et Neurosciences de Paris-IPNP, F-75014 Paris
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4
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Shekari E, Nozari N. A narrative review of the anatomy and function of the white matter tracts in language production and comprehension. Front Hum Neurosci 2023; 17:1139292. [PMID: 37051488 PMCID: PMC10083342 DOI: 10.3389/fnhum.2023.1139292] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2023] [Accepted: 02/24/2023] [Indexed: 03/28/2023] Open
Abstract
Much is known about the role of cortical areas in language processing. The shift towards network approaches in recent years has highlighted the importance of uncovering the role of white matter in connecting these areas. However, despite a large body of research, many of these tracts’ functions are not well-understood. We present a comprehensive review of the empirical evidence on the role of eight major tracts that are hypothesized to be involved in language processing (inferior longitudinal fasciculus, inferior fronto-occipital fasciculus, uncinate fasciculus, extreme capsule, middle longitudinal fasciculus, superior longitudinal fasciculus, arcuate fasciculus, and frontal aslant tract). For each tract, we hypothesize its role based on the function of the cortical regions it connects. We then evaluate these hypotheses with data from three sources: studies in neurotypical individuals, neuropsychological data, and intraoperative stimulation studies. Finally, we summarize the conclusions supported by the data and highlight the areas needing further investigation.
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Affiliation(s)
- Ehsan Shekari
- Department of Neuroscience, Iran University of Medical Sciences, Tehran, Iran
| | - Nazbanou Nozari
- Department of Psychology, Carnegie Mellon University, Pittsburgh, PA, United States
- Center for the Neural Basis of Cognition (CNBC), Pittsburgh, PA, United States
- *Correspondence: Nazbanou Nozari
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Olivé G, Slušná D, Vaquero L, Muchart-López J, Rodríguez-Fornells A, Hinzen W. Structural connectivity in ventral language pathways characterizes non-verbal autism. Brain Struct Funct 2022; 227:1817-1829. [PMID: 35286477 PMCID: PMC9098538 DOI: 10.1007/s00429-022-02474-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2021] [Accepted: 02/23/2022] [Indexed: 12/31/2022]
Abstract
Language capacities in autism spectrum disorders (ASD) range from normal scores on standardized language tests to absence of functional language in a substantial minority of 30% of individuals with ASD. Due to practical difficulties of scanning at this severe end of the spectrum, insights from MRI are scarce. Here we used manual deterministic tractography to investigate, for the first time, the integrity of the core white matter tracts defining the language connectivity network in non-verbal ASD (nvASD): the three segments of the arcuate (AF), the inferior fronto-occipital (IFOF), the inferior longitudinal (ILF) and the uncinate (UF) fasciculi, and the frontal aslant tract (FAT). A multiple case series of nine individuals with nvASD were compared to matched individuals with verbal ASD (vASD) and typical development (TD). Bonferroni-corrected repeated measure ANOVAs were performed separately for each tract-Hemisphere (2:Left/Right) × Group (3:TD/vASD/nvASD). Main results revealed (i) a main effect of group consisting in a reduction in fractional anisotropy (FA) in the IFOF in nvASD relative to TD; (ii) a main effect of group revealing lower values of radial diffusivity (RD) in the long segment of the AF in nvASD compared to vASD group; and (iii) a reduced volume in the left hemisphere of the UF when compared to the right, in the vASD group only. These results do not replicate volumetric differences of the dorsal language route previously observed in nvASD, and instead point to a disruption of the ventral language pathway, in line with semantic deficits observed behaviourally in this group.
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Affiliation(s)
- Guillem Olivé
- Department of Cognition, Development and Educational Psychology, Campus Bellvitge, University of Barcelona, L'Hospitalet de Llobregat, 08097, Barcelona, Spain
- Cognition and Brain Plasticity Group, Bellvitge Biomedical Research Institute, L'Hospitalet de Llobregat, 08097, Barcelona, Spain
| | - Dominika Slušná
- Department of Translation and Language Sciences, Campus Poblenou, Pompeu Fabra University, 08018, Barcelona, Spain
| | - Lucía Vaquero
- Legal Medicine, Psychiatry, and Pathology Department, Faculty of Medicine, Complutense University of Madrid, 28040, Madrid, Spain
| | | | - Antoni Rodríguez-Fornells
- Department of Cognition, Development and Educational Psychology, Campus Bellvitge, University of Barcelona, L'Hospitalet de Llobregat, 08097, Barcelona, Spain
- Cognition and Brain Plasticity Group, Bellvitge Biomedical Research Institute, L'Hospitalet de Llobregat, 08097, Barcelona, Spain
- Institució Catalana de Recerca i Estudis Avançats, ICREA, 08010, Barcelona, Spain
| | - Wolfram Hinzen
- Department of Translation and Language Sciences, Campus Poblenou, Pompeu Fabra University, 08018, Barcelona, Spain.
- Institució Catalana de Recerca i Estudis Avançats, ICREA, 08010, Barcelona, Spain.
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6
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Rimmele JM, Kern P, Lubinus C, Frieler K, Poeppel D, Assaneo MF. Musical Sophistication and Speech Auditory-Motor Coupling: Easy Tests for Quick Answers. Front Neurosci 2022; 15:764342. [PMID: 35058741 PMCID: PMC8763673 DOI: 10.3389/fnins.2021.764342] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2021] [Accepted: 11/22/2021] [Indexed: 12/05/2022] Open
Abstract
Musical training enhances auditory-motor cortex coupling, which in turn facilitates music and speech perception. How tightly the temporal processing of music and speech are intertwined is a topic of current research. We investigated the relationship between musical sophistication (Goldsmiths Musical Sophistication index, Gold-MSI) and spontaneous speech-to-speech synchronization behavior as an indirect measure of speech auditory-motor cortex coupling strength. In a group of participants (n = 196), we tested whether the outcome of the spontaneous speech-to-speech synchronization test (SSS-test) can be inferred from self-reported musical sophistication. Participants were classified as high (HIGHs) or low (LOWs) synchronizers according to the SSS-test. HIGHs scored higher than LOWs on all Gold-MSI subscales (General Score, Active Engagement, Musical Perception, Musical Training, Singing Skills), but the Emotional Attachment scale. More specifically, compared to a previously reported German-speaking sample, HIGHs overall scored higher and LOWs lower. Compared to an estimated distribution of the English-speaking general population, our sample overall scored lower, with the scores of LOWs significantly differing from the normal distribution, with scores in the ∼30th percentile. While HIGHs more often reported musical training compared to LOWs, the distribution of training instruments did not vary across groups. Importantly, even after the highly correlated subscores of the Gold-MSI were decorrelated, particularly the subscales Musical Perception and Musical Training allowed to infer the speech-to-speech synchronization behavior. The differential effects of musical perception and training were observed, with training predicting audio-motor synchronization in both groups, but perception only in the HIGHs. Our findings suggest that speech auditory-motor cortex coupling strength can be inferred from training and perceptual aspects of musical sophistication, suggesting shared mechanisms involved in speech and music perception.
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Affiliation(s)
- Johanna M. Rimmele
- Department of Neuroscience, Max-Planck-Institute for Empirical Aesthetics, Frankfurt, Germany
- Max Planck NYU Center for Language, Music and Emotion, New York, NY, United States
| | - Pius Kern
- Department of Neuroscience, Max-Planck-Institute for Empirical Aesthetics, Frankfurt, Germany
| | - Christina Lubinus
- Department of Neuroscience, Max-Planck-Institute for Empirical Aesthetics, Frankfurt, Germany
| | - Klaus Frieler
- Department of Neuroscience, Max-Planck-Institute for Empirical Aesthetics, Frankfurt, Germany
| | - David Poeppel
- Department of Neuroscience, Max-Planck-Institute for Empirical Aesthetics, Frankfurt, Germany
- Max Planck NYU Center for Language, Music and Emotion, New York, NY, United States
- Department of Psychology, New York University, New York, NY, United States
- Ernst Strüngmann Institute for Neuroscience, Frankfurt, Germany
| | - M. Florencia Assaneo
- Instituto de Neurobiología, Universidad Nacional Autónoma de México, Querétaro, México
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Sihvonen AJ, Sammler D, Ripollés P, Leo V, Rodríguez-Fornells A, Soinila S, Särkämö T. Right ventral stream damage underlies both poststroke aprosodia and amusia. Eur J Neurol 2021; 29:873-882. [PMID: 34661326 DOI: 10.1111/ene.15148] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2021] [Revised: 10/07/2021] [Accepted: 10/09/2021] [Indexed: 11/29/2022]
Abstract
BACKGROUND AND PURPOSE This study was undertaken to determine and compare lesion patterns and structural dysconnectivity underlying poststroke aprosodia and amusia, using a data-driven multimodal neuroimaging approach. METHODS Thirty-nine patients with right or left hemisphere stroke were enrolled in a cohort study and tested for linguistic and affective prosody perception and musical pitch and rhythm perception at subacute and 3-month poststroke stages. Participants listened to words spoken with different prosodic stress that changed their meaning, and to words spoken with six different emotions, and chose which meaning or emotion was expressed. In the music tasks, participants judged pairs of short melodies as the same or different in terms of pitch or rhythm. Structural magnetic resonance imaging data were acquired at both stages, and machine learning-based lesion-symptom mapping and deterministic tractography were used to identify lesion patterns and damaged white matter pathways giving rise to aprosodia and amusia. RESULTS Both aprosodia and amusia were behaviorally strongly correlated and associated with similar lesion patterns in right frontoinsular and striatal areas. In multiple regression models, reduced fractional anisotropy and lower tract volume of the right inferior fronto-occipital fasciculus were the strongest predictors for both disorders, over time. CONCLUSIONS These results highlight a common origin of aprosodia and amusia, both arising from damage and disconnection of the right ventral auditory stream integrating rhythmic-melodic acoustic information in prosody and music. Comorbidity of these disabilities may worsen the prognosis and affect rehabilitation success.
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Affiliation(s)
- Aleksi J Sihvonen
- Cognitive Brain Research Unit, Department of Psychology and Logopedics, Faculty of Medicine, University of Helsinki, Helsinki, Finland.,Centre for Clinical Research, University of Queensland, Brisbane, Queensland, Australia
| | - Daniela Sammler
- Research Group "Neurocognition of Music and Language, Max Planck Institute for Empirical Aesthetics, Frankfurt am Main, Germany
| | - Pablo Ripollés
- Department of Psychology, New York University, New York, New York, USA
| | - Vera Leo
- Cognitive Brain Research Unit, Department of Psychology and Logopedics, Faculty of Medicine, University of Helsinki, Helsinki, Finland
| | - Antoni Rodríguez-Fornells
- Cognition and Brain Plasticity Group, Bellvitge Biomedical Research Institute, L'Hospitalet de Llobregat, Spain.,Department of Cognition, Development, and Education Psychology, University of Barcelona, Barcelona, Spain.,Catalan Institution for Research and Advanced Studies, Barcelona, Spain
| | - Seppo Soinila
- Neurocenter, Turku University Hospital and Division of Clinical Neurosciences, University of Turku, Turku, Finland
| | - Teppo Särkämö
- Cognitive Brain Research Unit, Department of Psychology and Logopedics, Faculty of Medicine, University of Helsinki, Helsinki, Finland
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8
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Babaeeghazvini P, Rueda-Delgado LM, Gooijers J, Swinnen SP, Daffertshofer A. Brain Structural and Functional Connectivity: A Review of Combined Works of Diffusion Magnetic Resonance Imaging and Electro-Encephalography. Front Hum Neurosci 2021; 15:721206. [PMID: 34690718 PMCID: PMC8529047 DOI: 10.3389/fnhum.2021.721206] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2021] [Accepted: 09/10/2021] [Indexed: 11/13/2022] Open
Abstract
Implications of structural connections within and between brain regions for their functional counterpart are timely points of discussion. White matter microstructural organization and functional activity can be assessed in unison. At first glance, however, the corresponding findings appear variable, both in the healthy brain and in numerous neuro-pathologies. To identify consistent associations between structural and functional connectivity and possible impacts for the clinic, we reviewed the literature of combined recordings of electro-encephalography (EEG) and diffusion-based magnetic resonance imaging (MRI). It appears that the strength of event-related EEG activity increases with increased integrity of structural connectivity, while latency drops. This agrees with a simple mechanistic perspective: the nature of microstructural white matter influences the transfer of activity. The EEG, however, is often assessed for its spectral content. Spectral power shows associations with structural connectivity that can be negative or positive often dependent on the frequencies under study. Functional connectivity shows even more variations, which are difficult to rank. This might be caused by the diversity of paradigms being investigated, from sleep and resting state to cognitive and motor tasks, from healthy participants to patients. More challenging, though, is the potential dependency of findings on the kind of analysis applied. While this does not diminish the principal capacity of EEG and diffusion-based MRI co-registration, it highlights the urgency to standardize especially EEG analysis.
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Affiliation(s)
- Parinaz Babaeeghazvini
- Department of Human Movements Sciences, Faculty of Behavioural and Movement Sciences, Amsterdam Movement Science Institute (AMS), Vrije Universiteit Amsterdam, Amsterdam, Netherlands
- Institute for Brain and Behaviour Amsterdam (iBBA), Faculty of Behavioural and Movement Sciences, Vrije Universiteit, Vrije Universiteit Amsterdam, Amsterdam, Netherlands
| | - Laura M. Rueda-Delgado
- Movement Control & Neuroplasticity Research Group, Department of Movement Sciences, KU Leuven, Leuven, Belgium
- Trinity Centre for Biomedical Engineering, Trinity College Dublin, The University of Dublin, Dublin, Ireland
| | - Jolien Gooijers
- Movement Control & Neuroplasticity Research Group, Department of Movement Sciences, KU Leuven, Leuven, Belgium
- KU Leuven Brain Institute (LBI), Leuven, Belgium
| | - Stephan P. Swinnen
- Movement Control & Neuroplasticity Research Group, Department of Movement Sciences, KU Leuven, Leuven, Belgium
- KU Leuven Brain Institute (LBI), Leuven, Belgium
| | - Andreas Daffertshofer
- Department of Human Movements Sciences, Faculty of Behavioural and Movement Sciences, Amsterdam Movement Science Institute (AMS), Vrije Universiteit Amsterdam, Amsterdam, Netherlands
- Institute for Brain and Behaviour Amsterdam (iBBA), Faculty of Behavioural and Movement Sciences, Vrije Universiteit, Vrije Universiteit Amsterdam, Amsterdam, Netherlands
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9
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Rajan A, Shah A, Ingalhalikar M, Singh NC. Structural connectivity predicts sequential processing differences in music perception ability. Eur J Neurosci 2021; 54:6093-6103. [PMID: 34340255 DOI: 10.1111/ejn.15407] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2020] [Revised: 07/08/2021] [Accepted: 07/24/2021] [Indexed: 11/25/2022]
Abstract
To relate individual differences in music perception ability with whole brain white matter connectivity, we scanned a group of 27 individuals with varying degrees of musical training and assessed musical ability in sensory and sequential music perception domains using the Profile of Music Perception Skills-Short version (PROMS-S). Sequential processing ability was estimated by combining performance on tasks for Melody, Standard Rhythm, Embedded Rhythm, and Accent subscores while sensory processing ability was ascertained via tasks of Tempo, Pitch, Timbre, and Tuning. Controlling for musical training, gender, and years of training, network-based statistics revealed positive linear associations between total PROMS-S scores and increased interhemispheric fronto-temporal and parieto-frontal white matter connectivity, suggesting a distinct segregated structural network for music perception. Secondary analysis revealed two subnetworks for sequential processing ability, one comprising ventral fronto-temporal and subcortical regions and the other comprising dorsal fronto-temporo-parietal regions. A graph-theoretic analysis to characterize the structural network revealed a positive association of modularity of the whole brain structural connectome with the d' total score. In addition, the nodal degree of the right posterior cingulate cortex also showed a significant positive correlation with the total d' score. Our results suggest that a distinct structural network of connectivity across fronto-temporal, cerebellar, and cerebro-subcortical regions is associated with music processing abilities and the right posterior cingulate cortex mediates the connectivity of this network.
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Affiliation(s)
- Archith Rajan
- Symbiosis Centre for Medical Image Analysis, Symbiosis International (Deemed University), Pune, India
| | - Apurva Shah
- Symbiosis Centre for Medical Image Analysis, Symbiosis International (Deemed University), Pune, India
| | - Madhura Ingalhalikar
- Symbiosis Centre for Medical Image Analysis, Symbiosis International (Deemed University), Pune, India
| | - Nandini Chatterjee Singh
- Language Literacy and Music Laboratory, National Brain Research Centre (Deemed University), Manesar, India.,Science of Learning, UNESCO Mahatma Gandhi Institute of Education for Peace and Sustainable Development, New Delhi, India
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