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Hoarau C, Pralus A, Moulin A, Bedoin N, Ginzburg J, Fornoni L, Aguera PE, Tillmann B, Caclin A. Deficits in congenital amusia: Pitch, music, speech, and beyond. Neuropsychologia 2024; 202:108960. [PMID: 39032629 DOI: 10.1016/j.neuropsychologia.2024.108960] [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: 01/19/2024] [Revised: 07/17/2024] [Accepted: 07/17/2024] [Indexed: 07/23/2024]
Abstract
Congenital amusia is a neurodevelopmental disorder characterized by deficits of music perception and production, which are related to altered pitch processing. The present study used a wide variety of tasks to test potential patterns of processing impairment in individuals with congenital amusia (N = 18) in comparison to matched controls (N = 19), notably classical pitch processing tests (i.e., pitch change detection, pitch direction of change identification, and pitch short-term memory tasks) together with tasks assessing other aspects of pitch-related auditory cognition, such as emotion recognition in speech, sound segregation in tone sequences, and speech-in-noise perception. Additional behavioral measures were also collected, including text reading/copying tests, visual control tasks, and a subjective assessment of hearing abilities. As expected, amusics' performance was impaired for the three pitch-specific tasks compared to controls. This deficit of pitch perception had a self-perceived impact on amusics' quality of hearing. Moreover, participants with amusia were impaired in emotion recognition in vowels compared to controls, but no group difference was observed for emotion recognition in sentences, replicating previous data. Despite pitch processing deficits, participants with amusia did not differ from controls in sound segregation and speech-in-noise perception. Text reading and visual control tests did not reveal any impairments in participants with amusia compared to controls. However, the copying test revealed more numerous eye-movements and a smaller memory span. These results allow us to refine the pattern of pitch processing and memory deficits in congenital amusia, thus contributing further to understand pitch-related auditory cognition. Together with previous reports suggesting a comorbidity between congenital amusia and dyslexia, the findings call for further investigation of language-related abilities in this disorder even in the absence of neurodevelopmental language disorder diagnosis.
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Affiliation(s)
- Caliani Hoarau
- Université Claude Bernard Lyon 1, INSERM, CNRS, Centre de Recherche en Neurosciences de Lyon CRNL U1028 UMR5292, F-69500, Bron, France; Humans Matter, Lyon, France.
| | - Agathe Pralus
- Université Claude Bernard Lyon 1, INSERM, CNRS, Centre de Recherche en Neurosciences de Lyon CRNL U1028 UMR5292, F-69500, Bron, France; Humans Matter, Lyon, France
| | - Annie Moulin
- Université Claude Bernard Lyon 1, INSERM, CNRS, Centre de Recherche en Neurosciences de Lyon CRNL U1028 UMR5292, F-69500, Bron, France
| | - Nathalie Bedoin
- Université Claude Bernard Lyon 1, INSERM, CNRS, Centre de Recherche en Neurosciences de Lyon CRNL U1028 UMR5292, F-69500, Bron, France; Université Lumière Lyon 2, Lyon, France
| | - Jérémie Ginzburg
- Université Claude Bernard Lyon 1, INSERM, CNRS, Centre de Recherche en Neurosciences de Lyon CRNL U1028 UMR5292, F-69500, Bron, France
| | - Lesly Fornoni
- Université Claude Bernard Lyon 1, INSERM, CNRS, Centre de Recherche en Neurosciences de Lyon CRNL U1028 UMR5292, F-69500, Bron, France
| | - Pierre-Emmanuel Aguera
- Université Claude Bernard Lyon 1, INSERM, CNRS, Centre de Recherche en Neurosciences de Lyon CRNL U1028 UMR5292, F-69500, Bron, France
| | - Barbara Tillmann
- Université Claude Bernard Lyon 1, INSERM, CNRS, Centre de Recherche en Neurosciences de Lyon CRNL U1028 UMR5292, F-69500, Bron, France; Laboratory for Research on Learning and Development, Université de Bourgogne, LEAD-CNRS UMR5022, Dijon, France
| | - Anne Caclin
- Université Claude Bernard Lyon 1, INSERM, CNRS, Centre de Recherche en Neurosciences de Lyon CRNL U1028 UMR5292, F-69500, Bron, France
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Whittaker HT, Khayyat L, Fortier-Lavallée J, Laverdière M, Bélanger C, Zatorre RJ, Albouy P. Information-based rhythmic transcranial magnetic stimulation to accelerate learning during auditory working memory training: a proof-of-concept study. Front Neurosci 2024; 18:1355565. [PMID: 38638697 PMCID: PMC11024337 DOI: 10.3389/fnins.2024.1355565] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2023] [Accepted: 03/14/2024] [Indexed: 04/20/2024] Open
Abstract
Introduction Rhythmic transcranial magnetic stimulation (rhTMS) has been shown to enhance auditory working memory manipulation, specifically by boosting theta oscillatory power in the dorsal auditory pathway during task performance. It remains unclear whether these enhancements (i) persist beyond the period of stimulation, (ii) if they can accelerate learning and (iii) if they would accumulate over several days of stimulation. In the present study, we investigated the lasting behavioral and electrophysiological effects of applying rhTMS over the left intraparietal sulcus (IPS) throughout the course of seven sessions of cognitive training on an auditory working memory task. Methods A limited sample of 14 neurologically healthy participants took part in the training protocol with an auditory working memory task while being stimulated with either theta (5 Hz) rhTMS or sham TMS. Electroencephalography (EEG) was recorded before, throughout five training sessions and after the end of training to assess to effects of rhTMS on behavioral performance and on oscillatory entrainment of the dorsal auditory network. Results We show that this combined approach enhances theta oscillatory activity within the fronto-parietal network and causes improvements in auditoryworking memory performance. We show that compared to individuals who received sham stimulation, cognitive training can be accelerated when combined with optimized rhTMS, and that task performance benefits can outlast the training period by ∼ 3 days. Furthermore, we show that there is increased theta oscillatory power within the recruited dorsal auditory network during training, and that sustained EEG changes can be observed ∼ 3 days following stimulation. Discussion The present study, while underpowered for definitive statistical analyses, serves to improve our understanding of the causal dynamic interactions supporting auditory working memory. Our results constitute an important proof of concept for the potential translational impact of non-invasive brain stimulation protocols and provide preliminary data for developing optimized rhTMS and training protocols that could be implemented in clinical populations.
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Affiliation(s)
- Heather T. Whittaker
- Cognitive Neuroscience Unit, Montreal Neurological Institute, McGill University, Montréal, QC, Canada
- International Laboratory for Brain, Music and Sound Research (BRAMS) - Centre for Research on Brain Language and Music (CRBLM), Montreal, QC, Canada
| | - Lina Khayyat
- Cognitive Neuroscience Unit, Montreal Neurological Institute, McGill University, Montréal, QC, Canada
| | | | - Megan Laverdière
- CERVO Brain Research Centre, School of Psychology, Université Laval, Québec City, QC, Canada
| | - Carole Bélanger
- CERVO Brain Research Centre, School of Psychology, Université Laval, Québec City, QC, Canada
| | - Robert J. Zatorre
- Cognitive Neuroscience Unit, Montreal Neurological Institute, McGill University, Montréal, QC, Canada
- International Laboratory for Brain, Music and Sound Research (BRAMS) - Centre for Research on Brain Language and Music (CRBLM), Montreal, QC, Canada
| | - Philippe Albouy
- Cognitive Neuroscience Unit, Montreal Neurological Institute, McGill University, Montréal, QC, Canada
- International Laboratory for Brain, Music and Sound Research (BRAMS) - Centre for Research on Brain Language and Music (CRBLM), Montreal, QC, Canada
- CERVO Brain Research Centre, School of Psychology, Université Laval, Québec City, QC, Canada
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Borderie A, Caclin A, Lachaux JP, Perrone-Bertollotti M, Hoyer RS, Kahane P, Catenoix H, Tillmann B, Albouy P. Cross-frequency coupling in cortico-hippocampal networks supports the maintenance of sequential auditory information in short-term memory. PLoS Biol 2024; 22:e3002512. [PMID: 38442128 PMCID: PMC10914261 DOI: 10.1371/journal.pbio.3002512] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2023] [Accepted: 01/22/2024] [Indexed: 03/07/2024] Open
Abstract
It has been suggested that cross-frequency coupling in cortico-hippocampal networks enables the maintenance of multiple visuo-spatial items in working memory. However, whether this mechanism acts as a global neural code for memory retention across sensory modalities remains to be demonstrated. Intracranial EEG data were recorded while drug-resistant patients with epilepsy performed a delayed matched-to-sample task with tone sequences. We manipulated task difficulty by varying the memory load and the duration of the silent retention period between the to-be-compared sequences. We show that the strength of theta-gamma phase amplitude coupling in the superior temporal sulcus, the inferior frontal gyrus, the inferior temporal gyrus, and the hippocampus (i) supports the short-term retention of auditory sequences; (ii) decodes correct and incorrect memory trials as revealed by machine learning analysis; and (iii) is positively correlated with individual short-term memory performance. Specifically, we show that successful task performance is associated with consistent phase coupling in these regions across participants, with gamma bursts restricted to specific theta phase ranges corresponding to higher levels of neural excitability. These findings highlight the role of cortico-hippocampal activity in auditory short-term memory and expand our knowledge about the role of cross-frequency coupling as a global biological mechanism for information processing, integration, and memory in the human brain.
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Affiliation(s)
- Arthur Borderie
- CERVO Brain Research Center, School of Psychology, Laval University, Québec, Canada
- International Laboratory for Brain, Music and Sound Research (BRAMS), CRBLM, Montreal, Canada
| | - Anne Caclin
- Université Claude Bernard Lyon 1, CNRS, INSERM, Centre de Recherche en Neurosciences de Lyon CRNL U1028 UMR5292, Bron, France
| | - Jean-Philippe Lachaux
- Université Claude Bernard Lyon 1, CNRS, INSERM, Centre de Recherche en Neurosciences de Lyon CRNL U1028 UMR5292, Bron, France
| | | | - Roxane S. Hoyer
- CERVO Brain Research Center, School of Psychology, Laval University, Québec, Canada
| | - Philippe Kahane
- Univ. Grenoble Alpes, Inserm, U1216, CHU Grenoble Alpes, Grenoble Institut Neurosciences, Grenoble, France
| | - Hélène Catenoix
- Université Claude Bernard Lyon 1, CNRS, INSERM, Centre de Recherche en Neurosciences de Lyon CRNL U1028 UMR5292, Bron, France
- Department of Functional Neurology and Epileptology, Lyon Civil Hospices, member of the ERN EpiCARE, and Lyon 1 University, Lyon, France
| | - Barbara Tillmann
- Université Claude Bernard Lyon 1, CNRS, INSERM, Centre de Recherche en Neurosciences de Lyon CRNL U1028 UMR5292, Bron, France
- Laboratory for Research on Learning and Development, LEAD–CNRS UMR5022, Université de Bourgogne, Dijon, France
| | - Philippe Albouy
- CERVO Brain Research Center, School of Psychology, Laval University, Québec, Canada
- International Laboratory for Brain, Music and Sound Research (BRAMS), CRBLM, Montreal, Canada
- Université Claude Bernard Lyon 1, CNRS, INSERM, Centre de Recherche en Neurosciences de Lyon CRNL U1028 UMR5292, Bron, France
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Thibault N, Albouy P, Grondin S. Distinct brain dynamics and networks for processing short and long auditory time intervals. Sci Rep 2023; 13:22018. [PMID: 38086944 PMCID: PMC10716402 DOI: 10.1038/s41598-023-49562-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2023] [Accepted: 12/09/2023] [Indexed: 12/18/2023] Open
Abstract
Psychophysical studies suggest that time intervals above and below 1.2 s are processed differently in the human brain. However, the neural underpinnings of this dissociation remain unclear. Here, we investigate whether distinct or common brain networks and dynamics support the passive perception of short (below 1.2 s) and long (above 1.2 s) empty time intervals. Twenty participants underwent an EEG recording during an auditory oddball paradigm with .8- and 1.6-s standard time intervals and deviant intervals either shorter (early) or longer (delayed) than the standard interval. We computed the auditory ERPs for each condition at the sensor and source levels. We then performed whole brain cluster-based permutation statistics for the CNV, N1 and P2, components, testing deviants against standards. A CNV was found only for above 1.2 s intervals (delayed deviants), with generators in temporo-parietal, SMA, and motor regions. Deviance detection of above 1.2 s intervals occurred during the N1 period over fronto-central sensors for delayed deviants only, with generators in parietal and motor regions. Deviance detection of below 1.2 s intervals occurred during the P2 period over fronto-central sensors for delayed deviants only, with generators in primary auditory cortex, SMA, IFG, cingulate and parietal cortex. We then identified deviance related changes in directed connectivity using bivariate Granger causality to highlight the networks dynamics associated with interval processing above and below 1.2. These results suggest that distinct brain dynamics and networks support the perception of time intervals above and below 1.2 s.
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Affiliation(s)
- Nicola Thibault
- École de Psychologie, Université Laval, Québec, G1V 0A6, Canada.
- CERVO Brain Research Centre, Québec, G1J 2G3, Canada.
| | - Philippe Albouy
- École de Psychologie, Université Laval, Québec, G1V 0A6, Canada
- CERVO Brain Research Centre, Québec, G1J 2G3, Canada
- International Laboratory for Brain, Music and Sound Research (BRAMS), CRBLM, Montreal, QC, H2V 2J2, Canada
| | - Simon Grondin
- École de Psychologie, Université Laval, Québec, G1V 0A6, Canada
- CERVO Brain Research Centre, Québec, G1J 2G3, Canada
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Couvignou M, Tillmann B, Caclin A, Kolinsky R. Do developmental dyslexia and congenital amusia share underlying impairments? Child Neuropsychol 2023; 29:1294-1340. [PMID: 36606656 DOI: 10.1080/09297049.2022.2162031] [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: 03/04/2022] [Accepted: 12/19/2022] [Indexed: 01/07/2023]
Abstract
Developmental dyslexia and congenital amusia have common characteristics. Yet, their possible association in some individuals has been addressed only scarcely. Recently, two converging studies reported a sizable comorbidity rate between these two neurodevelopmental disorders (Couvignou et al., Cognitive Neuropsychology 2019; Couvignou & Kolinsky, Neuropsychologia 2021). However, the reason for their association remains unclear. Here, we investigate the hypothesis of shared underlying impairments between dyslexia and amusia. Fifteen dyslexic children with amusia (DYS+A), 15 dyslexic children without amusia (DYS-A), and two groups of 25 typically developing children matched on either chronological age (CA) or reading level (RL) were assessed with a behavioral battery aiming to investigate phonological and pitch processing capacities at auditory memory, perceptual awareness, and attentional levels. Overall, our results suggest that poor auditory serial-order memory increases susceptibility to comorbidity between dyslexia and amusia and may play a role in the development of the comorbid phenotype. In contrast, the impairments observed in the DYS+A children for auditory item memory, perceptual awareness, and attention might be a consequence of their reduced reading experience combined with weaker musical skills. Comparing DYS+A and DYS-A children suggests that the latter are more resourceful and/or have more effective compensatory strategies, or that their phenotype results from a different developmental trajectory. We will discuss the relevance of these findings for delving into the etiology of these two developmental disorders and address their implications for future research and practice.
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Affiliation(s)
- Manon Couvignou
- Unité de Recherche en Neurosciences Cognitives (Unescog), Center for Research in Cognition & Neurosciences (CRCN), Université Libre de Bruxelles (ULB), Brussels, Belgium
| | - Barbara Tillmann
- Lyon Neuroscience Research Center, CNRS, UMR 5292, INSERM, U1028, Lyon, France
- University Lyon 1, Lyon, France
| | - Anne Caclin
- Lyon Neuroscience Research Center, CNRS, UMR 5292, INSERM, U1028, Lyon, France
- University Lyon 1, Lyon, France
| | - Régine Kolinsky
- Unité de Recherche en Neurosciences Cognitives (Unescog), Center for Research in Cognition & Neurosciences (CRCN), Université Libre de Bruxelles (ULB), Brussels, Belgium
- Fonds de la Recherche Scientifique-FNRS (FRS-FNRS), Brussels, Belgium
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Tillmann B, Graves JE, Talamini F, Lévêque Y, Fornoni L, Hoarau C, Pralus A, Ginzburg J, Albouy P, Caclin A. Auditory cortex and beyond: Deficits in congenital amusia. Hear Res 2023; 437:108855. [PMID: 37572645 DOI: 10.1016/j.heares.2023.108855] [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: 02/04/2023] [Revised: 06/14/2023] [Accepted: 07/21/2023] [Indexed: 08/14/2023]
Abstract
Congenital amusia is a neuro-developmental disorder of music perception and production, with the observed deficits contrasting with the sophisticated music processing reported for the general population. Musical deficits within amusia have been hypothesized to arise from altered pitch processing, with impairments in pitch discrimination and, notably, short-term memory. We here review research investigating its behavioral and neural correlates, in particular the impairments at encoding, retention, and recollection of pitch information, as well as how these impairments extend to the processing of pitch cues in speech and emotion. The impairments have been related to altered brain responses in a distributed fronto-temporal network, which can be observed also at rest. Neuroimaging studies revealed changes in connectivity patterns within this network and beyond, shedding light on the brain dynamics underlying auditory cognition. Interestingly, some studies revealed spared implicit pitch processing in congenital amusia, showing the power of implicit cognition in the music domain. Building on these findings, together with audiovisual integration and other beneficial mechanisms, we outline perspectives for training and rehabilitation and the future directions of this research domain.
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Affiliation(s)
- Barbara Tillmann
- CNRS, INSERM, Centre de Recherche en Neurosciences de Lyon CRNL, Université Claude Bernard Lyon 1, UMR5292, U1028, F-69500, Bron, France; Laboratory for Research on Learning and Development, Université de Bourgogne, LEAD - CNRS UMR5022, Dijon, France; LEAD-CNRS UMR5022; Université Bourgogne Franche-Comté; Pôle AAFE; 11 Esplanade Erasme; 21000 Dijon, France.
| | - Jackson E Graves
- Laboratoire des systèmes perceptifs, Département d'études cognitives, École normale supérieure, PSL University, Paris 75005, France
| | | | - Yohana Lévêque
- CNRS, INSERM, Centre de Recherche en Neurosciences de Lyon CRNL, Université Claude Bernard Lyon 1, UMR5292, U1028, F-69500, Bron, France
| | - Lesly Fornoni
- CNRS, INSERM, Centre de Recherche en Neurosciences de Lyon CRNL, Université Claude Bernard Lyon 1, UMR5292, U1028, F-69500, Bron, France
| | - Caliani Hoarau
- CNRS, INSERM, Centre de Recherche en Neurosciences de Lyon CRNL, Université Claude Bernard Lyon 1, UMR5292, U1028, F-69500, Bron, France
| | - Agathe Pralus
- CNRS, INSERM, Centre de Recherche en Neurosciences de Lyon CRNL, Université Claude Bernard Lyon 1, UMR5292, U1028, F-69500, Bron, France
| | - Jérémie Ginzburg
- CNRS, INSERM, Centre de Recherche en Neurosciences de Lyon CRNL, Université Claude Bernard Lyon 1, UMR5292, U1028, F-69500, Bron, France
| | - Philippe Albouy
- CERVO Brain Research Center, School of Psychology, Laval University, Québec, G1J 2G3; International Laboratory for Brain, Music and Sound Research (BRAMS), CRBLM, Montreal QC, H2V 2J2, Canada
| | - Anne Caclin
- CNRS, INSERM, Centre de Recherche en Neurosciences de Lyon CRNL, Université Claude Bernard Lyon 1, UMR5292, U1028, F-69500, Bron, France.
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Zatorre RJ. Hemispheric asymmetries for music and speech: Spectrotemporal modulations and top-down influences. Front Neurosci 2022; 16:1075511. [PMID: 36605556 PMCID: PMC9809288 DOI: 10.3389/fnins.2022.1075511] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2022] [Accepted: 11/30/2022] [Indexed: 01/07/2023] Open
Abstract
Hemispheric asymmetries in auditory cognition have been recognized for a long time, but their neural basis is still debated. Here I focus on specialization for processing of speech and music, the two most important auditory communication systems that humans possess. A great deal of evidence from lesion studies and functional imaging suggests that aspects of music linked to the processing of pitch patterns depend more on right than left auditory networks. A complementary specialization for temporal resolution has been suggested for left auditory networks. These diverse findings can be integrated within the context of the spectrotemporal modulation framework, which has been developed as a way to characterize efficient neuronal encoding of complex sounds. Recent studies show that degradation of spectral modulation impairs melody perception but not speech content, whereas degradation of temporal modulation has the opposite effect. Neural responses in the right and left auditory cortex in those studies are linked to processing of spectral and temporal modulations, respectively. These findings provide a unifying model to understand asymmetries in terms of sensitivity to acoustical features of communication sounds in humans. However, this explanation does not account for evidence that asymmetries can shift as a function of learning, attention, or other top-down factors. Therefore, it seems likely that asymmetries arise both from bottom-up specialization for acoustical modulations and top-down influences coming from hierarchically higher components of the system. Such interactions can be understood in terms of predictive coding mechanisms for perception.
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Sokolowski HM, Levine B. Common neural substrates of diverse neurodevelopmental disorders. Brain 2022; 146:438-447. [PMID: 36299249 PMCID: PMC9924912 DOI: 10.1093/brain/awac387] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2022] [Revised: 09/02/2022] [Accepted: 09/19/2022] [Indexed: 11/14/2022] Open
Abstract
Neurodevelopmental disorders are categorized and studied according to their manifestations as distinct syndromes. For instance, congenital prosopagnosia and dyslexia have largely non-overlapping research literatures and clinical pathways for diagnosis and intervention. On the other hand, the high incidence of neurodevelopmental comorbidities or co-existing extreme strengths and weaknesses suggest that transdiagnostic commonalities may be greater than currently appreciated. The core-periphery model holds that brain regions within the stable core perceptual and motor regions are more densely connected to one another compared to regions in the flexible periphery comprising multimodal association regions. This model provides a framework for the interpretation of neural data in normal development and clinical disorders. Considering network-level commonalities reported in studies of neurodevelopmental disorders, variability in multimodal association cortex connectivity may reflect a shared origin of seemingly distinct neurodevelopmental disorders. This framework helps to explain both comorbidities in neurodevelopmental disorders and profiles of strengths and weaknesses attributable to competitive processing between cognitive systems within an individual.
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Affiliation(s)
- H Moriah Sokolowski
- Correspondence may also be addressed to: H. Moriah Sokolowski E-mail: Twitter: https://twitter.com/hm_sokolowski
| | - Brian Levine
- Correspondence to: Brian Levine 3560 Bathurst St, North York, ON M6A 2E1, Canada E-mail: Website: www.LevineLab.ca Twitter: https://twitter.com/briantlevine
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Li Q, Gong D, Tang H, Tian J. The neural coding of tonal working memory load: An functional magnetic resonance imaging study. Front Neurosci 2022; 16:979787. [PMID: 36330345 PMCID: PMC9623178 DOI: 10.3389/fnins.2022.979787] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2022] [Accepted: 10/03/2022] [Indexed: 11/13/2022] Open
Abstract
Tonal working memory load refers to the number of pitches held in working memory. It has been found that different verbal working memory loads have different neural coding (local neural activity pattern). However, whether there exists a comparable phenomenon for tonal working memory load remains unclear. In this study, we used a delayed match-to-sample paradigm to evoke tonal working memory. Neural coding of different tonal working memory loads was studied with a surface space and convolution neural network (CNN)-based multivariate pattern analysis (SC-MVPA) method. We found that first, neural coding of tonal working memory was significantly different from that of the control condition in the bilateral superior temporal gyrus (STG), supplement motor area (SMA), and precentral gyrus (PCG). Second, neural coding of nonadjacent tonal working memory loads was distinguishable in the bilateral STG and PCG. Third, neural coding is gradually enhanced as the memory load increases. Finally, neural coding of tonal working memory was encoded in the bilateral STG in the encoding phase and shored in the bilateral PCG and SMA in the maintenance phase.
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Affiliation(s)
- Qiang Li
- College of Education Science, Guizhou Education University, Guiyang, China
- *Correspondence: Qiang Li,
| | | | - Huiyi Tang
- College of Education Science, Guizhou Education University, Guiyang, China
| | - Jing Tian
- College of Education Science, Guizhou Education University, Guiyang, China
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Tonal structures benefit short-term memory for real music: Evidence from non-musicians and individuals with congenital amusia. Brain Cogn 2022; 161:105881. [DOI: 10.1016/j.bandc.2022.105881] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2021] [Revised: 05/23/2022] [Accepted: 05/26/2022] [Indexed: 11/23/2022]
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Samiee S, Vuvan D, Florin E, Albouy P, Peretz I, Baillet S. Cross-Frequency Brain Network Dynamics Support Pitch Change Detection. J Neurosci 2022; 42:3823-3835. [PMID: 35351829 PMCID: PMC9087716 DOI: 10.1523/jneurosci.0630-21.2022] [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: 03/21/2021] [Revised: 01/18/2022] [Accepted: 01/22/2022] [Indexed: 11/21/2022] Open
Abstract
Processing auditory sequences involves multiple brain networks and is crucial to complex perception associated with music appreciation and speech comprehension. We used time-resolved cortical imaging in a pitch change detection task to detail the underlying nature of human brain network activity, at the rapid time scales of neurophysiology. In response to tone sequence presentation to the participants, we observed slow inter-regional signaling at the pace of tone presentations (2-4 Hz) that was directed from auditory cortex toward both inferior frontal and motor cortices. Symmetrically, motor cortex manifested directed influence onto auditory and inferior frontal cortices via bursts of faster (15-35 Hz) activity. These bursts occurred precisely at the expected latencies of each tone in a sequence. This expression of interdependency between slow/fast neurophysiological activity yielded a form of local cross-frequency phase-amplitude coupling in auditory cortex, which strength varied dynamically and peaked when pitch changes were anticipated. We clarified the mechanistic relevance of these observations in relation to behavior by including a group of individuals afflicted by congenital amusia, as a model of altered function in processing sound sequences. In amusia, we found a depression of inter-regional slow signaling toward motor and inferior frontal cortices, and a chronic overexpression of slow/fast phase-amplitude coupling in auditory cortex. These observations are compatible with a misalignment between the respective neurophysiological mechanisms of stimulus encoding and internal predictive signaling, which was absent in controls. In summary, our study provides a functional and mechanistic account of neurophysiological activity for predictive, sequential timing of auditory inputs.SIGNIFICANCE STATEMENT Auditory sequences are processed by extensive brain networks, involving multiple systems. In particular, fronto-temporal brain connections participate in the encoding of sequential auditory events, but so far, their study was limited to static depictions. This study details the nature of oscillatory brain activity involved in these inter-regional interactions in human participants. It demonstrates how directed, polyrhythmic oscillatory interactions between auditory and motor cortical regions provide a functional account for predictive timing of incoming items in an auditory sequence. In addition, we show the functional relevance of these observations in relation to behavior, with data from both normal hearing participants and a rare cohort of individuals afflicted by congenital amusia, which we considered here as a model of altered function in processing sound sequences.
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Affiliation(s)
- Soheila Samiee
- McConnell Brain Imaging Centre, Montreal Neurological Institute, McGill University, Montreal, Quebec H3A2B4, Canada
- Mila, Quebec AI Institute, Montreal, Quebec H2S 3H1, Canada
| | - Dominique Vuvan
- International Laboratory for Brain, Music, and Sound Research, University of Montreal, Montreal, Quebec H3C 3J7, Canada
- Psychology Department, Skidmore College, Saratoga Springs, New York 12866
| | - Esther Florin
- McConnell Brain Imaging Centre, Montreal Neurological Institute, McGill University, Montreal, Quebec H3A2B4, Canada
- Institute of Clinical Neuroscience and Medical Psychology, Medical Faculty, Heinrich Heine University, Düsseldorf 40225, Germany
| | - Philippe Albouy
- McConnell Brain Imaging Centre, Montreal Neurological Institute, McGill University, Montreal, Quebec H3A2B4, Canada
- International Laboratory for Brain, Music, and Sound Research, University of Montreal, Montreal, Quebec H3C 3J7, Canada
- Psychology Department, CERVO brain research Center, Laval University, Montreal, Quebec G1V 0A6, Canada
| | - Isabelle Peretz
- International Laboratory for Brain, Music, and Sound Research, University of Montreal, Montreal, Quebec H3C 3J7, Canada
| | - Sylvain Baillet
- McConnell Brain Imaging Centre, Montreal Neurological Institute, McGill University, Montreal, Quebec H3A2B4, Canada
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12
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Zhang G, Shao J, Zhang C, Wang L. The Perception of Lexical Tone and Intonation in Whispered Speech by Mandarin-Speaking Congenital Amusics. JOURNAL OF SPEECH, LANGUAGE, AND HEARING RESEARCH : JSLHR 2022; 65:1331-1348. [PMID: 35377182 DOI: 10.1044/2021_jslhr-21-00345] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
PURPOSE A fundamental feature of human speech is variation, including the manner of phonation, as exemplified in the case of whispered speech. In this study, we employed whispered speech to examine an unresolved issue about congenital amusia, a neurodevelopmental disorder of musical pitch processing, which also affects speech pitch processing such as lexical tone and intonation perception. The controversy concerns whether amusia is a pitch-processing disorder or can affect speech processing beyond pitch. METHOD We examined lexical tone and intonation recognition in 19 Mandarin-speaking amusics and 19 matched controls in phonated and whispered speech, where fundamental frequency (f o) information is either present or absent. RESULTS The results revealed that the performance of congenital amusics was inferior to that of controls in lexical tone identification in both phonated and whispered speech. These impairments were also detected in identifying intonation (statements/questions) in phonated and whispered modes. Across the experiments, regression models revealed that f o and non-f o (duration, intensity, and formant frequency) acoustic cues predicted tone and intonation recognition in phonated speech, whereas non-f o cues predicted tone and intonation recognition in whispered speech. There were significant differences between amusics and controls in the use of both f o and non-f o cues. CONCLUSION The results provided the first evidence that the impairments of amusics in lexical tone and intonation identification prevail into whispered speech and support the hypothesis that the deficits of amusia extend beyond pitch processing. SUPPLEMENTAL MATERIAL https://doi.org/10.23641/asha.19302275.
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Affiliation(s)
- Gaoyuan Zhang
- Department of Chinese Language and Literature, Peking University, Beijing, China
| | - Jing Shao
- Department of English Language and Literature, Hong Kong Baptist University, Hong Kong SAR, China
| | - Caicai Zhang
- Research Centre for Language, Cognition, and Neuroscience, Department of Chinese and Bilingual Studies, The Hong Kong Polytechnic University, Hong Kong SAR, China
| | - Lan Wang
- Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, China
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13
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Sihvonen AJ, Särkämö T. Music processing and amusia. HANDBOOK OF CLINICAL NEUROLOGY 2022; 187:55-67. [PMID: 35964992 DOI: 10.1016/b978-0-12-823493-8.00014-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Music is a universal and important human trait, which is orchestrated by complex brain network centered in the temporal lobe but connecting broadly to multiple cortical and subcortical regions. In the human brain, music engages a widespread bilateral network of regions that govern auditory perception, syntactic and semantic processing, attention and memory, emotion and reward, and motor skills. The ability to perceive or produce music can be severely impaired either due to abnormal brain development or brain damage, leading to a condition called amusia. Modern neuroimaging studies of amusia have provided valuable knowledge about the structure and function of specific brain regions and white matter pathways that are crucial for music perception, highlighting the role of the right frontotemporal network in this process. In this chapter, we provide an overview on the neural basis of music processing in a healthy brain and review evidence obtained from the studies of congenital and acquired amusia.
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Affiliation(s)
- Aleksi J Sihvonen
- School of Health and Rehabilitation Sciences, Queensland Aphasia Research Centre, The University of Queensland, Herston, QLD, Australia; Department of Psychology and Logopedics, University of Helsinki, Helsinki, Finland
| | - Teppo Särkämö
- Department of Psychology and Logopedics, University of Helsinki, Helsinki, Finland.
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14
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Rapid Assessment of Non-Verbal Auditory Perception in Normal-Hearing Participants and Cochlear Implant Users. J Clin Med 2021; 10:jcm10102093. [PMID: 34068067 PMCID: PMC8152499 DOI: 10.3390/jcm10102093] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2021] [Revised: 04/26/2021] [Accepted: 05/06/2021] [Indexed: 01/17/2023] Open
Abstract
In the case of hearing loss, cochlear implants (CI) allow for the restoration of hearing. Despite the advantages of CIs for speech perception, CI users still complain about their poor perception of their auditory environment. Aiming to assess non-verbal auditory perception in CI users, we developed five listening tests. These tests measure pitch change detection, pitch direction identification, pitch short-term memory, auditory stream segregation, and emotional prosody recognition, along with perceived intensity ratings. In order to test the potential benefit of visual cues for pitch processing, the three pitch tests included half of the trials with visual indications to perform the task. We tested 10 normal-hearing (NH) participants with material being presented as original and vocoded sounds, and 10 post-lingually deaf CI users. With the vocoded sounds, the NH participants had reduced scores for the detection of small pitch differences, and reduced emotion recognition and streaming abilities compared to the original sounds. Similarly, the CI users had deficits for small differences in the pitch change detection task and emotion recognition, as well as a decreased streaming capacity. Overall, this assessment allows for the rapid detection of specific patterns of non-verbal auditory perception deficits. The current findings also open new perspectives about how to enhance pitch perception capacities using visual cues.
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15
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Jin Z, Huyang S, Jiang L, Yan Y, Xu M, Wang J, Li Q, Wu D. Increased Resting-State Interhemispheric Functional Connectivity of Posterior Superior Temporal Gyrus and Posterior Cingulate Cortex in Congenital Amusia. Front Neurosci 2021; 15:653325. [PMID: 33994929 PMCID: PMC8120159 DOI: 10.3389/fnins.2021.653325] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2021] [Accepted: 04/06/2021] [Indexed: 11/26/2022] Open
Abstract
Interhemispheric connectivity of the two cerebral hemispheres is crucial for a broad repertoire of cognitive functions including music and language. Congenital amusia has been reported as a neurodevelopment disorder characterized by impaired music perception and production. However, little is known about the characteristics of the interhemispheric functional connectivity (FC) in amusia. In the present study, we used a newly developed voxel-mirrored homotopic connectivity (VMHC) method to investigate the interhemispheric FC of the whole brain in amusia at resting-state. Thirty amusics and 29 matched participants underwent a resting-state functional magnetic resonance imaging (fMRI) scanning. An automated VMHC approach was used to analyze the fMRI data. Compared to the control group, amusics showed increased VMHC within the posterior part of the default mode network (DMN) mainly in the posterior superior temporal gyrus (pSTG) and posterior cingulate cortex (PCC). Correlation analyses revealed negative correlations between the VMHC value in pSTG/PCC and the music perception ability among amusics. Further ROC analyses showed that the VMHC value of pSTG/PCC showed a good sensibility/specificity to differentiate the amusics from the controls. These findings provide a new perspective for understanding the neural basis of congenital amusia and imply the immature state of DMN may be a credible neural marker of amusia.
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Affiliation(s)
- Zhishuai Jin
- Medical Psychological Center, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Sizhu Huyang
- Medical Psychological Center, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Lichen Jiang
- Medical Psychological Center, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Yajun Yan
- Medical Psychological Center, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Ming Xu
- Medical Psychological Center, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Jinyu Wang
- Medical Psychological Center, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Qixiong Li
- Medical Psychological Center, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Daxing Wu
- Medical Psychological Center, The Second Xiangya Hospital, Central South University, Changsha, China.,Medical Psychological Institute, Central South University, Changsha, China.,National Clinical Research Center for Mental Disorders, Changsha, China
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16
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Unraveling the Temporal Dynamics of Reward Signals in Music-Induced Pleasure with TMS. J Neurosci 2021; 41:3889-3899. [PMID: 33782048 DOI: 10.1523/jneurosci.0727-20.2020] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2020] [Revised: 12/18/2020] [Accepted: 12/21/2020] [Indexed: 11/21/2022] Open
Abstract
Music's ability to induce feelings of pleasure has been the subject of intense neuroscientific research lately. Prior neuroimaging studies have shown that music-induced pleasure engages cortico-striatal circuits related to the anticipation and receipt of biologically relevant rewards/incentives, but these reports are necessarily correlational. Here, we studied both the causal role of this circuitry and its temporal dynamics by applying transcranial magnetic stimulation (TMS) over the left dorsolateral PFC combined with fMRI in 17 male and female participants. Behaviorally, we found that, in accord with previous findings, excitation of fronto-striatal pathways enhanced subjective reports of music-induced pleasure and motivation, whereas inhibition of the same circuitry led to the reduction of both. fMRI activity patterns indicated that these behavioral changes were driven by bidirectional TMS-induced alteration of fronto-striatal function. Specifically, changes in activity in the NAcc predicted modulation of both hedonic and motivational responses, with a dissociation between pre-experiential versus experiential components of musical reward. In addition, TMS-induced changes in the fMRI functional connectivity between the NAcc and frontal and auditory cortices predicted the degree of modulation of hedonic responses. These results indicate that the engagement of cortico-striatal pathways and the NAcc, in particular, is indispensable to experience rewarding feelings from music.SIGNIFICANCE STATEMENT Neuroimaging studies have shown that music-induced pleasure engages cortico-striatal circuits involved in the processing of biologically relevant rewards. Yet, these reports are necessarily correlational. Here, we studied both the causal role of this circuitry and its temporal dynamics by combining brain stimulation over the frontal cortex with functional imaging. Behaviorally, we found that excitation and inhibition of fronto-striatal pathways enhanced and disrupted, respectively, subjective reports of music-induced pleasure and motivation. These changes were associated with changes in NAcc activity and NAcc coupling with frontal and auditory cortices, dissociating between pre-experimental versus experiential components of musical reward. These results indicate that the engagement of cortico-striatal pathways, and the NAcc in particular, is indispensable to experience rewarding feeling from music.
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17
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Couvignou M, Kolinsky R. Comorbidity and cognitive overlap between developmental dyslexia and congenital amusia in children. Neuropsychologia 2021; 155:107811. [PMID: 33647287 DOI: 10.1016/j.neuropsychologia.2021.107811] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2020] [Revised: 01/19/2021] [Accepted: 02/21/2021] [Indexed: 11/24/2022]
Abstract
Developmental dyslexia and congenital amusia are two specific neurodevelopmental disorders that affect reading and music perception, respectively. Similarities at perceptual, cognitive, and anatomical levels raise the possibility that a common factor is at play in their emergence, albeit in different domains. However, little consideration has been given to what extent they can co-occur. A first adult study suggested a 30% amusia rate in dyslexia and a 25% dyslexia rate in amusia (Couvignou et al., Cognitive Neuropsychology 2019). We present newly acquired data from 38 dyslexic and 38 typically developing children. These were assessed with literacy and phonological tests, as well as with three musical tests: the Montreal Battery of Evaluation of Musical Abilities, a pitch and time change detection task, and a singing task. Overall, about 34% of the dyslexic children were musically impaired, a proportion that is significantly higher than both the estimated 1.5-4% prevalence of congenital amusia in the general population and the rate of 5% observed within the control group. They were mostly affected in the pitch dimension, both in terms of perception and production. Correlations and prediction links were found between pitch processing skills and language measures after partialing out confounding factors. These findings are discussed with regard to cognitive and neural explanatory hypotheses of a comorbidity between dyslexia and amusia.
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Affiliation(s)
- Manon Couvignou
- Unité de Recherche en Neurosciences Cognitives (Unescog), Center for Research in Cognition & Neurosciences (CRCN), Université Libre de Bruxelles (ULB), Brussels, Belgium.
| | - Régine Kolinsky
- Unité de Recherche en Neurosciences Cognitives (Unescog), Center for Research in Cognition & Neurosciences (CRCN), Université Libre de Bruxelles (ULB), Brussels, Belgium; Fonds de La Recherche Scientifique-FNRS (FRS-FNRS), Brussels, Belgium
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18
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Sun JJ, Pan XQ, Yang R, Jin ZS, Li YH, Liu J, Wu DX. Changes in sensorimotor regions of the cerebral cortex in congenital amusia: a case-control study. Neural Regen Res 2021; 16:531-536. [PMID: 32985483 PMCID: PMC7996008 DOI: 10.4103/1673-5374.293154] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
Perceiving pitch is a central function of the human auditory system; congenital amusia is a disorder of pitch perception. The underlying neural mechanisms of congenital amusia have been actively discussed. However, little attention has been paid to the changes in the motor rain within congenital amusia. In this case-control study, 17 participants with congenital amusia and 14 healthy controls underwent functional magnetic resonance imaging while resting with their eyes closed. A voxel-based degree centrality method was used to identify abnormal functional network centrality by comparing degree centrality values between the congenital amusia group and the healthy control group. We found decreased degree centrality values in the right primary sensorimotor areas in participants with congenital amusia relative to controls, indicating potentially decreased centrality of the corresponding brain regions in the auditory-sensory motor feedback network. We found a significant positive correlation between the degree centrality values and the Montreal Battery of Evaluation of Amusia scores. In conclusion, our study identified novel, hitherto undiscussed candidate brain regions that may partly contribute to or be modulated by congenital amusia. Our evidence supports the view that sensorimotor coupling plays an important role in memory and musical discrimination. The study was approved by the Ethics Committee of the Second Xiangya Hospital, Central South University, China (No. WDX20180101GZ01) on February 9, 2019.
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Affiliation(s)
- Jun-Jie Sun
- Department of Radiology, the Second Xiangya Hospital of Central South University, Changsha; Department of Radiology, the Affiliated Zhuzhou Hospital of Xiangya College of Medicine, Central South University, Zhuzhou, Hunan Province, China
| | - Xue-Qun Pan
- Lister Hill National Center for Biomedical Communication, National Library of Medicine, Bethesda, MD, USA
| | - Ru Yang
- Department of Radiology, the Second Xiangya Hospital of Central South University, Changsha, Hunan Province, China
| | - Zhi-Shuai Jin
- Medical Psychological Center, the Second Xiangya Hospital of Central South University, Changsha, Hunan Province, China
| | - Yi-Hui Li
- Department of Radiology, the Affiliated Zhuzhou Hospital of Xiangya College of Medicine, Central South University, Zhuzhou, Hunan Province, China
| | - Jun Liu
- Department of Radiology, the Second Xiangya Hospital of Central South University, Changsha, Hunan Province, China
| | - Da-Xing Wu
- Medical Psychological Center, the Second Xiangya Hospital of Central South University, Changsha, Hunan Province, China
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19
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Chen F, Peng G. Reduced Sensitivity to Between-Category Information but Preserved Categorical Perception of Lexical Tones in Tone Language Speakers With Congenital Amusia. Front Psychol 2020; 11:581410. [PMID: 33101150 PMCID: PMC7554517 DOI: 10.3389/fpsyg.2020.581410] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2020] [Accepted: 09/04/2020] [Indexed: 12/03/2022] Open
Abstract
Previous studies have shown that for congenital amusics, long-term tone language experience cannot compensate for lexical tone processing difficulties. However, it is still unknown whether such difficulties are merely caused by domain-transferred insensitivity in lower-level acoustic processing and/or by higher-level phonological processing of linguistic pitch as well. The current P300 study links and extends previous studies by uncovering the neurophysiological mechanisms underpinning lexical tone perception difficulties in Mandarin-speaking amusics. Both the behavioral index (d′) and P300 amplitude showed reduced within-category as well as between-category sensitivity among the Mandarin-speaking amusics regardless of the linguistic status of the signal. The results suggest that acoustic pitch processing difficulties in amusics are manifested profoundly and further persist into the higher-level phonological processing that involves the neural processing of different lexical tone categories. Our findings indicate that long-term tone language experience may not compensate for the reduced acoustic pitch processing in tone language speakers with amusia but rather may extend to the neural processing of the phonological information of lexical tones during the attentive stage. However, from both the behavioral and neural evidence, the peakedness scores of the d′ and P300 amplitude were comparable between amusics and controls. It seems that the basic categorical perception (CP) pattern of native lexical tones is preserved in Mandarin-speaking amusics, indicating that they may have normal or near normal long-term categorical memory.
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Affiliation(s)
- Fei Chen
- School of Foreign Languages, Hunan University, Changsha, China.,Research Centre for Language, Cognition, and Neuroscience, Department of Chinese and Bilingual Studies, The Hong Kong Polytechnic University, Hong Kong, China
| | - Gang Peng
- Research Centre for Language, Cognition, and Neuroscience, Department of Chinese and Bilingual Studies, The Hong Kong Polytechnic University, Hong Kong, China.,Chinese Academy of Sciences (CAS) Key Laboratory of Human-Machine Intelligence-Synergy Systems, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, China
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20
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Palomar-García MÁ, Hernández M, Olcina G, Adrián-Ventura J, Costumero V, Miró-Padilla A, Villar-Rodríguez E, Ávila C. Auditory and frontal anatomic correlates of pitch discrimination in musicians, non-musicians, and children without musical training. Brain Struct Funct 2020; 225:2735-2744. [PMID: 33029708 DOI: 10.1007/s00429-020-02151-1] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2020] [Accepted: 09/23/2020] [Indexed: 11/29/2022]
Abstract
Individual differences in pitch discrimination have been associated with the volume of both the bilateral Heschl's gyrus and the right inferior frontal gyrus (IFG). However, most of these studies used samples composed of individuals with different amounts of musical training. Here, we investigated the relationship between pitch discrimination and individual differences in the gray matter (GM) volume of these brain structures in 32 adult musicians, 28 adult non-musicians, and 32 children without musical training. The results showed that (i) the individuals without musical training (whether children or adults) who were better at pitch discrimination had greater volume of auditory regions, whereas (ii) musicians with better pitch discrimination had greater volume of the IFG. These results suggest that the relationship between pitch discrimination and the volume of auditory regions is innately established early in life, and that musical training modulates the volume of the IFG, probably improving audio-motor connectivity. This is the first study to detect a relationship between pitch discrimination ability and GM volume before beginning any musical training in children and adults.
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Affiliation(s)
- María-Ángeles Palomar-García
- Neuropsychology and Functional Neuroimaging Group, Department of Basic Psychology, Clinical Psychology and Psychobiology, Universitat Jaume I, Avda. Sos Baynat, s/n., 12071, Castellón de la Plana, Spain.
| | - Mireia Hernández
- Cognition and Brain Plasticity Group, Department of Cognition, Development and Educational Psychology, Institut de Neurociències, University of Barcelona, Barcelona, Spain
| | - Gustau Olcina
- Neuropsychology and Functional Neuroimaging Group, Department of Education, University Jaume I, 12071, Castellón, Spain
| | - Jesús Adrián-Ventura
- Neuropsychology and Functional Neuroimaging Group, Department of Basic Psychology, Clinical Psychology and Psychobiology, Universitat Jaume I, Avda. Sos Baynat, s/n., 12071, Castellón de la Plana, Spain
| | - Víctor Costumero
- Center for Brain and Cognition, University Pompeu Fabra, Barcelona, Spain
| | - Anna Miró-Padilla
- Neuropsychology and Functional Neuroimaging Group, Department of Basic Psychology, Clinical Psychology and Psychobiology, Universitat Jaume I, Avda. Sos Baynat, s/n., 12071, Castellón de la Plana, Spain
| | - Esteban Villar-Rodríguez
- Neuropsychology and Functional Neuroimaging Group, Department of Basic Psychology, Clinical Psychology and Psychobiology, Universitat Jaume I, Avda. Sos Baynat, s/n., 12071, Castellón de la Plana, Spain
| | - César Ávila
- Neuropsychology and Functional Neuroimaging Group, Department of Basic Psychology, Clinical Psychology and Psychobiology, Universitat Jaume I, Avda. Sos Baynat, s/n., 12071, Castellón de la Plana, Spain
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21
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Graves JE, Pralus A, Fornoni L, Oxenham AJ, Caclin A, Tillmann B. Short- and long-term memory for pitch and non-pitch contours: Insights from congenital amusia. Brain Cogn 2019; 136:103614. [PMID: 31546175 PMCID: PMC6953621 DOI: 10.1016/j.bandc.2019.103614] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2019] [Revised: 09/11/2019] [Accepted: 09/13/2019] [Indexed: 11/25/2022]
Abstract
Congenital amusia is a neurodevelopmental disorder characterized by deficits in music perception, including discriminating and remembering melodies and melodic contours. As non-amusic listeners can perceive contours in dimensions other than pitch, such as loudness and brightness, our present study investigated whether amusics' pitch contour deficits also extend to these other auditory dimensions. Amusic and control participants performed an identification task for ten familiar melodies and a short-term memory task requiring the discrimination of changes in the contour of novel four-tone melodies. For both tasks, melodic contour was defined by pitch, brightness, or loudness. Amusic participants showed some ability to extract contours in all three dimensions. For familiar melodies, amusic participants showed impairment in all conditions, perhaps reflecting the fact that the long-term memory representations of the familiar melodies were defined in pitch. In the contour discrimination task with novel melodies, amusic participants exhibited less impairment for loudness-based melodies than for pitch- or brightness-based melodies, suggesting some specificity of the deficit for spectral changes, if not for pitch alone. The results suggest pitch and brightness may not be processed by the same mechanisms as loudness, and that short-term memory for loudness contours may be spared to some degree in congenital amusia.
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Affiliation(s)
- Jackson E Graves
- Lyon Neuroscience Research Center (CRNL), CNRS, UMR 5292, Inserm U1028, Université Lyon 1, Lyon, France; Department of Psychology, University of Minnesota, Minneapolis, MN, USA; Laboratoire des systèmes perceptifs, Département d'études cognitives, École normale supérieure, PSL University, CNRS, 75005 Paris, France.
| | - Agathe Pralus
- Lyon Neuroscience Research Center (CRNL), CNRS, UMR 5292, Inserm U1028, Université Lyon 1, Lyon, France
| | - Lesly Fornoni
- Lyon Neuroscience Research Center (CRNL), CNRS, UMR 5292, Inserm U1028, Université Lyon 1, Lyon, France
| | - Andrew J Oxenham
- Department of Psychology, University of Minnesota, Minneapolis, MN, USA
| | - Anne Caclin
- Lyon Neuroscience Research Center (CRNL), CNRS, UMR 5292, Inserm U1028, Université Lyon 1, Lyon, France
| | - Barbara Tillmann
- Lyon Neuroscience Research Center (CRNL), CNRS, UMR 5292, Inserm U1028, Université Lyon 1, Lyon, France
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22
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Pralus A, Fornoni L, Bouet R, Gomot M, Bhatara A, Tillmann B, Caclin A. Emotional prosody in congenital amusia: Impaired and spared processes. Neuropsychologia 2019; 134:107234. [DOI: 10.1016/j.neuropsychologia.2019.107234] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2018] [Revised: 08/12/2019] [Accepted: 10/16/2019] [Indexed: 12/15/2022]
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23
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Albouy P, Caclin A, Norman-Haignere SV, Lévêque Y, Peretz I, Tillmann B, Zatorre RJ. Decoding Task-Related Functional Brain Imaging Data to Identify Developmental Disorders: The Case of Congenital Amusia. Front Neurosci 2019; 13:1165. [PMID: 31736698 PMCID: PMC6831619 DOI: 10.3389/fnins.2019.01165] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2019] [Accepted: 10/15/2019] [Indexed: 11/13/2022] Open
Abstract
Machine learning classification techniques are frequently applied to structural and resting-state fMRI data to identify brain-based biomarkers for developmental disorders. However, task-related fMRI has rarely been used as a diagnostic tool. Here, we used structural MRI, resting-state connectivity and task-based fMRI data to detect congenital amusia, a pitch-specific developmental disorder. All approaches discriminated amusics from controls in meaningful brain networks at similar levels of accuracy. Interestingly, the classifier outcome was specific to deficit-related neural circuits, as the group classification failed for fMRI data acquired during a verbal task for which amusics were unimpaired. Most importantly, classifier outputs of task-related fMRI data predicted individual behavioral performance on an independent pitch-based task, while this relationship was not observed for structural or resting-state data. These results suggest that task-related imaging data can potentially be used as a powerful diagnostic tool to identify developmental disorders as they allow for the prediction of symptom severity.
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Affiliation(s)
- Philippe Albouy
- Cognitive Neuroscience Unit, Montreal Neurological Institute, McGill University, Montreal, QC, Canada.,International Laboratory for Brain, Music and Sound Research, Montreal, QC, Canada
| | - Anne Caclin
- INSERM, U1028, CNRS, UMR 5292, Lyon Neuroscience Research Center, Brain Dynamics and Cognition Team, Lyon, France.,University Lyon 1, Lyon, France
| | - Sam V Norman-Haignere
- Zuckerman Institute of Mind, Brain and Behavior, Columbia University, New York, NY, United States.,CNRS, Laboratoire des Sytèmes Perceptifs, Département d'Études Cognitives, ENS, PSL University, Paris, France
| | - Yohana Lévêque
- University Lyon 1, Lyon, France.,CNRS, UMR 5292, INSERM, U1028, Lyon Neuroscience Research Center, Auditory Cognition and Psychoacoustics Team, Lyon, France
| | - Isabelle Peretz
- International Laboratory for Brain, Music and Sound Research, Montreal, QC, Canada
| | - Barbara Tillmann
- University Lyon 1, Lyon, France.,CNRS, UMR 5292, INSERM, U1028, Lyon Neuroscience Research Center, Auditory Cognition and Psychoacoustics Team, Lyon, France
| | - Robert J Zatorre
- Cognitive Neuroscience Unit, Montreal Neurological Institute, McGill University, Montreal, QC, Canada.,International Laboratory for Brain, Music and Sound Research, Montreal, QC, Canada
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24
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Lumaca M, Kleber B, Brattico E, Vuust P, Baggio G. Functional connectivity in human auditory networks and the origins of variation in the transmission of musical systems. eLife 2019; 8:48710. [PMID: 31658945 PMCID: PMC6819097 DOI: 10.7554/elife.48710] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2019] [Accepted: 10/09/2019] [Indexed: 02/02/2023] Open
Abstract
Music producers, whether original composers or performers, vary in their ability to acquire and faithfully transmit music. This form of variation may serve as a mechanism for the emergence of new traits in musical systems. In this study, we aim to investigate whether individual differences in the social learning and transmission of music relate to intrinsic neural dynamics of auditory processing systems. We combined auditory and resting-state functional magnetic resonance imaging (fMRI) with an interactive laboratory model of cultural transmission, the signaling game, in an experiment with a large cohort of participants (N=51). We found that the degree of interhemispheric rs-FC within fronto-temporal auditory networks predicts—weeks after scanning—learning, transmission, and structural modification of an artificial tone system. Our study introduces neuroimaging in cultural transmission research and points to specific neural auditory processing mechanisms that constrain and drive variation in the cultural transmission and regularization of musical systems.
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Affiliation(s)
- Massimo Lumaca
- Center for Music in the Brain, Department of Clinical Medicine, Aarhus University and The Royal Academy of Music, Aarhus, Denmark
| | - Boris Kleber
- Center for Music in the Brain, Department of Clinical Medicine, Aarhus University and The Royal Academy of Music, Aarhus, Denmark
| | - Elvira Brattico
- Center for Music in the Brain, Department of Clinical Medicine, Aarhus University and The Royal Academy of Music, Aarhus, Denmark
| | - Peter Vuust
- Center for Music in the Brain, Department of Clinical Medicine, Aarhus University and The Royal Academy of Music, Aarhus, Denmark
| | - Giosue Baggio
- Language Acquisition and Language Processing Lab, Department of Language and Literature, Norwegian University of Science and Technology, Trondheim, Norway
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25
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Sihvonen AJ, Särkämö T, Rodríguez-Fornells A, Ripollés P, Münte TF, Soinila S. Neural architectures of music - Insights from acquired amusia. Neurosci Biobehav Rev 2019; 107:104-114. [PMID: 31479663 DOI: 10.1016/j.neubiorev.2019.08.023] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2019] [Revised: 08/27/2019] [Accepted: 08/29/2019] [Indexed: 12/27/2022]
Abstract
The ability to perceive and produce music is a quintessential element of human life, present in all known cultures. Modern functional neuroimaging has revealed that music listening activates a large-scale bilateral network of cortical and subcortical regions in the healthy brain. Even the most accurate structural studies do not reveal which brain areas are critical and causally linked to music processing. Such questions may be answered by analysing the effects of focal brain lesions in patients´ ability to perceive music. In this sense, acquired amusia after stroke provides a unique opportunity to investigate the neural architectures crucial for normal music processing. Based on the first large-scale longitudinal studies on stroke-induced amusia using modern multi-modal magnetic resonance imaging (MRI) techniques, such as advanced lesion-symptom mapping, grey and white matter morphometry, tractography and functional connectivity, we discuss neural structures critical for music processing, consider music processing in light of the dual-stream model in the right hemisphere, and propose a neural model for acquired amusia.
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Affiliation(s)
- Aleksi J Sihvonen
- Department of Neurosciences, University of Helsinki, Finland; Cognitive Brain Research Unit, Department of Psychology and Logopedics, University of Helsinki, Finland.
| | - Teppo Särkämö
- Cognitive Brain Research Unit, Department of Psychology and Logopedics, University of Helsinki, Finland
| | - Antoni Rodríguez-Fornells
- Department of Cognition, University of Barcelona, Cognition & Brain Plasticity Unit, Bellvitge Biomedical Research Institute (IDIBELL), Institució Catalana de recerca i Estudis Avançats (ICREA), Barcelona, Spain
| | - Pablo Ripollés
- Department of Psychology, New York University and Music and Audio Research Laboratory, New York University, USA
| | - Thomas F Münte
- Department of Neurology and Institute of Psychology II, University of Lübeck, Germany
| | - Seppo Soinila
- Division of Clinical Neurosciences, Turku University Hospital, Department of Neurology, University of Turku, Finland
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26
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Tseng YL, Liu HH, Liou M, Tsai AC, Chien VSC, Shyu ST, Yang ZS. Lingering Sound: Event-Related Phase-Amplitude Coupling and Phase-Locking in Fronto-Temporo-Parietal Functional Networks During Memory Retrieval of Music Melodies. Front Hum Neurosci 2019; 13:150. [PMID: 31178706 PMCID: PMC6538802 DOI: 10.3389/fnhum.2019.00150] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2018] [Accepted: 04/23/2019] [Indexed: 01/22/2023] Open
Abstract
Brain oscillations and connectivity have emerged as promising measures of evaluating memory processes, including encoding, maintenance, and retrieval, as well as the related executive function. Although many studies have addressed the neural mechanisms underlying working memory, most of these studies have focused on the visual modality. Neurodynamics and functional connectivity related to auditory working memory are yet to be established. In this study, we explored the dynamic of high density (128-channel) electroencephalography (EEG) in a musical delayed match-to-sample task (DMST), in which 36 participants were recruited and were instructed to recognize and distinguish the target melodies from similar distractors. Event-related spectral perturbations (ERSPs), event-related phase-amplitude couplings (ERPACs), and phase-locking values (PLVs) were used to determine the corresponding brain oscillations and connectivity. First, we observed that low-frequency oscillations in the frontal, temporal, and parietal regions were increased during the processing of both target and distracting melodies. Second, the cross-frequency coupling between low-frequency phases and high-frequency amplitudes was elevated in the frontal and parietal regions when the participants were distinguishing between the target from distractor, suggesting that the phase-amplitude coupling could be an indicator of neural mechanisms underlying memory retrieval. Finally, phase-locking, an index evaluating brain functional connectivity, revealed that there was fronto-temporal phase-locking in the theta band and fronto-parietal phase-locking in the alpha band during the recognition of the two stimuli. These findings suggest the existence of functional connectivity and the phase-amplitude coupling in the neocortex during musical memory retrieval, and provide a highly resolved timeline to evaluate brain dynamics. Furthermore, the inter-regional phase-locking and phase-amplitude coupling among the frontal, temporal and parietal regions occurred at the very beginning of musical memory retrieval, which might reflect the precise timing when cognitive resources were involved in the retrieval of targets and the rejection of similar distractors. To the best of our knowledge, this is the first EEG study employing a naturalistic task to study auditory memory processes and functional connectivity during memory retrieval, results of which can shed light on the use of natural stimuli in studies that are closer to the real-life applications of cognitive evaluations, mental treatments, and brain-computer interface.
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Affiliation(s)
- Yi-Li Tseng
- Department of Electrical Engineering, Fu Jen Catholic University, New Taipei City, Taiwan.,Institute of Statistical Science, Academia Sinica, Taipei, Taiwan
| | - Hong-Hsiang Liu
- Department of Psychology, National Taiwan University, Taipei, Taiwan
| | - Michelle Liou
- Institute of Statistical Science, Academia Sinica, Taipei, Taiwan
| | - Arthur C Tsai
- Institute of Statistical Science, Academia Sinica, Taipei, Taiwan
| | - Vincent S C Chien
- Institute of Statistical Science, Academia Sinica, Taipei, Taiwan.,Max Planck Institute for Human Cognitive and Brain Sciences, Leipzig, Germany
| | - Shuoh-Tyng Shyu
- Department of Electrical Engineering, Fu Jen Catholic University, New Taipei City, Taiwan
| | - Zhi-Shun Yang
- Department of Electrical Engineering, Fu Jen Catholic University, New Taipei City, Taiwan
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27
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Jiang J, Liu F, Zhou L, Jiang C. The neural basis for understanding imitation-induced musical meaning: The role of the human mirror system. Behav Brain Res 2018; 359:362-369. [PMID: 30458161 DOI: 10.1016/j.bbr.2018.11.020] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2018] [Revised: 11/12/2018] [Accepted: 11/13/2018] [Indexed: 11/28/2022]
Abstract
Music can convey meanings by imitating phenomena of the extramusical world, and these imitation-induced musical meanings can be understood by listeners. Although the human mirror system (HMS) is implicated in imitation, little is known about the HMS's role in making sense of meaning that derives from musical imitation. To answer this question, we used fMRI to examine listeners' brain activities during the processing of imitation-induced musical meaning with a cross-modal semantic priming paradigm. Eleven normal individuals and 11 individuals with congenital amusia, a neurodevelopmental disorder of musical processing, participated in the experiment. Target pictures with either an upward or downward movement were primed by semantically congruent or incongruent melodic sequences characterized by the direction of pitch change (upward or downward). When contrasting the incongruent with the congruent condition between the two groups, we found greater activations in the left supramarginal gyrus/inferior parietal lobule and inferior frontal gyrus in normals but not in amusics. The implications of these findings in terms of the role of the HMS in understanding imitation-induced musical meaning are discussed.
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Affiliation(s)
- Jun Jiang
- Music College, Shanghai Normal University, Shanghai, China
| | - Fang Liu
- School of Psychology and Clinical Language Sciences, University of Reading, Reading, UK
| | - Linshu Zhou
- Music College, Shanghai Normal University, Shanghai, China
| | - Cunmei Jiang
- Music College, Shanghai Normal University, Shanghai, China; Institute of Psychology, Shanghai Normal University, Shanghai, China.
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28
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Albouy P, Peretz I, Bermudez P, Zatorre RJ, Tillmann B, Caclin A. Specialized neural dynamics for verbal and tonal memory: fMRI evidence in congenital amusia. Hum Brain Mapp 2018; 40:855-867. [PMID: 30381866 DOI: 10.1002/hbm.24416] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2018] [Revised: 09/24/2018] [Accepted: 09/26/2018] [Indexed: 12/15/2022] Open
Abstract
Behavioral and neuropsychological studies have suggested that tonal and verbal short-term memory are supported by specialized neural networks. To date however, neuroimaging investigations have failed to confirm this hypothesis. In this study, we investigated the hypothesis of distinct neural resources for tonal and verbal memory by comparing typical nonmusician listeners to individuals with congenital amusia, who exhibit pitch memory impairments with preserved verbal memory. During fMRI, amusics and matched controls performed delayed-match-to-sample tasks with tones and words and perceptual control tasks with the same stimuli. For tonal maintenance, amusics showed decreased activity in the right auditory cortex, inferior frontal gyrus (IFG) and dorso-lateral-prefrontal cortex (DLPFC). Moreover, they exhibited reduced right-lateralized functional connectivity between the auditory cortex and the IFG during tonal encoding and between the IFG and the DLPFC during tonal maintenance. In contrasts, amusics showed no difference compared with the controls for verbal memory, with activation in the left IFG and left fronto-temporal connectivity. Critically, we observed a group-by-material interaction in right fronto-temporal regions: while amusics recruited these regions less strongly for tonal memory than verbal memory, control participants showed the reversed pattern (tonal > verbal). By benefitting from the rare condition of amusia, our findings suggest specialized cortical systems for tonal and verbal short-term memory in the human brain.
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Affiliation(s)
- Philippe Albouy
- Lyon Neuroscience Research Center, Auditory Cognition and Psychoacoustics Team, CNRS, UMR5292, INSERM, U1028, Lyon, France.,Lyon Neuroscience Research Center, Brain Dynamics and Cognition Team, CNRS, UMR5292, INSERM, U1028, Lyon, France.,University Lyon 1, Lyon, France.,Cognitive Neuroscience Unit, Montreal Neurological Institute, McGill University, Montreal, Quebec, Canada.,International Laboratory for Brain, Music and Sound Research (BRAMS), Montreal, Quebec, Canada
| | - Isabelle Peretz
- International Laboratory for Brain, Music and Sound Research (BRAMS), Montreal, Quebec, Canada
| | - Patrick Bermudez
- Cognitive Neuroscience Unit, Montreal Neurological Institute, McGill University, Montreal, Quebec, Canada.,International Laboratory for Brain, Music and Sound Research (BRAMS), Montreal, Quebec, Canada
| | - Robert J Zatorre
- Cognitive Neuroscience Unit, Montreal Neurological Institute, McGill University, Montreal, Quebec, Canada.,International Laboratory for Brain, Music and Sound Research (BRAMS), Montreal, Quebec, Canada
| | - Barbara Tillmann
- Lyon Neuroscience Research Center, Auditory Cognition and Psychoacoustics Team, CNRS, UMR5292, INSERM, U1028, Lyon, France.,University Lyon 1, Lyon, France
| | - Anne Caclin
- Lyon Neuroscience Research Center, Brain Dynamics and Cognition Team, CNRS, UMR5292, INSERM, U1028, Lyon, France.,University Lyon 1, Lyon, France
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29
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Fujito R, Minese M, Hatada S, Kamimura N, Morinobu S, Lang DJ, Honer WG, Sawada K. Musical deficits and cortical thickness in people with schizophrenia. Schizophr Res 2018; 197:233-239. [PMID: 29454511 DOI: 10.1016/j.schres.2018.01.027] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/01/2017] [Revised: 01/23/2018] [Accepted: 01/24/2018] [Indexed: 11/18/2022]
Abstract
Investigation of acquired amusia caused by brain damage suggested that cortical lesions of the right hemisphere contributed to musical deficits. We previously reported reduced musical ability in schizophrenia; these deficits were correlated with clinical manifestations such as cognitive dysfunction and negative symptoms. However, the neural substrate underlying the musical disability in schizophrenia remains unclear. We investigated the relationship between musical deficits and cortical thickness in patients with schizophrenia using structural MRI. We recruited 24 patients (13 males; age mean=45.9years old), and 22 controls (14 males, age mean=43.5years old). Musical ability was assessed with the Montreal Battery for Evaluation of Amusia (MBEA), cognitive function with the Brief Assessment of Cognition in Schizophrenia (BACS) and clinical features of illness with the Positive and Negative Syndrome Scale (PANSS). MRI Images were acquired and processed using FreeSurfer. Surface-based analysis showed that thinner cortex in left temporal and inferior frontal region was associated with lower musical ability in schizophrenia. In contrast, in controls thicker cortex in the left supramarginal region was correlated with lower musical ability. These results shed light on the clinical pathology underlying the associations of musical ability, cognitive dysfunction and negative symptoms in patients with schizophrenia.
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Affiliation(s)
- Ryosuke Fujito
- Department of Neuropsychiatry, Kochi Medical School, Kochi, Japan
| | - Masayoshi Minese
- Department of Neuropsychiatry, Kochi Medical School, Kochi, Japan; Kochi Prefectural Aki General Hospital, Kochi, Japan
| | - Sanae Hatada
- Department of Occupational Therapy, Tosa Rehabilitation College, Kochi, Japan
| | - Naoto Kamimura
- Department of Neuropsychiatry, Kochi Medical School, Kochi, Japan
| | - Shigeru Morinobu
- Department of Neuropsychiatry, Kochi Medical School, Kochi, Japan
| | - Donna J Lang
- Department of Radiology, University of British Columbia, Vancouver, Canada
| | - William G Honer
- Department of Psychiatry, University of British Columbia, Vancouver, Canada
| | - Ken Sawada
- Department of Neuropsychiatry, Kochi Medical School, Kochi, Japan; Kochi Prefectural Aki General Hospital, Kochi, Japan; Department of Psychiatry, University of British Columbia, Vancouver, Canada.
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30
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Whiteford KL, Oxenham AJ. Learning for pitch and melody discrimination in congenital amusia. Cortex 2018; 103:164-178. [PMID: 29655041 PMCID: PMC5988957 DOI: 10.1016/j.cortex.2018.03.012] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2017] [Revised: 12/12/2017] [Accepted: 03/08/2018] [Indexed: 11/30/2022]
Abstract
Congenital amusia is currently thought to be a life-long neurogenetic disorder in music perception, impervious to training in pitch or melody discrimination. This study provides an explicit test of whether amusic deficits can be reduced with training. Twenty amusics and 20 matched controls participated in four sessions of psychophysical training involving either pure-tone (500 Hz) pitch discrimination or a control task of lateralization (interaural level differences for bandpass white noise). Pure-tone pitch discrimination at low, medium, and high frequencies (500, 2000, and 8000 Hz) was measured before and after training (pretest and posttest) to determine the specificity of learning. Melody discrimination was also assessed before and after training using the full Montreal Battery of Evaluation of Amusia, the most widely used standardized test to diagnose amusia. Amusics performed more poorly than controls in pitch but not localization discrimination, but both groups improved with practice on the trained stimuli. Learning was broad, occurring across all three frequencies and melody discrimination for all groups, including those who trained on the non-pitch control task. Following training, 11 of 20 amusics no longer met the global diagnostic criteria for amusia. A separate group of untrained controls (n = 20), who also completed melody discrimination and pretest, improved by an equal amount as trained controls on all measures, suggesting that the bulk of learning for the control group occurred very rapidly from the pretest. Thirty-one trained participants (13 amusics) returned one year later to assess long-term maintenance of pitch and melody discrimination. On average, there was no change in performance between posttest and one-year follow-up, demonstrating that improvements on pitch- and melody-related tasks in amusics and controls can be maintained. The findings indicate that amusia is not always a life-long deficit when using the current standard diagnostic criteria.
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Affiliation(s)
- Kelly L Whiteford
- Department of Psychology, University of Minnesota, Minneapolis, MN, USA.
| | - Andrew J Oxenham
- Department of Psychology, University of Minnesota, Minneapolis, MN, USA.
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31
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Albouy P, Baillet S, Zatorre RJ. Driving working memory with frequency-tuned noninvasive brain stimulation. Ann N Y Acad Sci 2018; 1423:126-137. [PMID: 29707781 DOI: 10.1111/nyas.13664] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2017] [Revised: 02/05/2018] [Accepted: 02/13/2018] [Indexed: 12/21/2022]
Abstract
Frequency-tuned noninvasive brain stimulation is a recent approach in cognitive neuroscience that involves matching the frequency of transcranially applied electromagnetic fields to that of specific oscillatory components of the underlying neurophysiology. The objective of this method is to modulate ongoing/intrinsic brain oscillations, which correspond to rhythmic fluctuations of neural excitability, to causally change behavior. We review the impact of frequency-tuned noninvasive brain stimulation on the research field of human working memory. We argue that this is a powerful method to probe and understand the mechanisms of memory functions, targeting specifically task-related oscillatory dynamics, neuronal representations, and brain networks. We report the main behavioral and neurophysiological outcomes published to date, in particular, how functionally relevant oscillatory signatures in signal power and interregional connectivity yield causal changes of working memory abilities. We also present recent developments of the technique that aim to modulate cross-frequency coupling in polyrhythmic neural activity. Overall, the method has led to significant advances in our understanding of the mechanisms of systems neuroscience, and the role of brain oscillations in cognition and behavior. We also emphasize the translational impact of noninvasive brain stimulation techniques in the development of therapeutic approaches.
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Affiliation(s)
- Philippe Albouy
- Montreal Neurological Institute, McGill University, Montreal, Canada
- International Laboratory for Brain, Music and Sound Research (BRAMS), Montreal, Canada
| | - Sylvain Baillet
- Montreal Neurological Institute, McGill University, Montreal, Canada
| | - Robert J Zatorre
- Montreal Neurological Institute, McGill University, Montreal, Canada
- International Laboratory for Brain, Music and Sound Research (BRAMS), Montreal, Canada
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32
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The Neural Causes of Congenital Amusia. J Neurosci 2018; 36:7803-4. [PMID: 27466325 DOI: 10.1523/jneurosci.1500-16.2016] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2016] [Accepted: 06/17/2016] [Indexed: 11/21/2022] Open
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33
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Mas-Herrero E, Karhulahti M, Marco-Pallares J, Zatorre RJ, Rodriguez-Fornells A. The impact of visual art and emotional sounds in specific musical anhedonia. PROGRESS IN BRAIN RESEARCH 2018; 237:399-413. [DOI: 10.1016/bs.pbr.2018.03.017] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/20/2023]
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34
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Tracting the neural basis of music: Deficient structural connectivity underlying acquired amusia. Cortex 2017; 97:255-273. [DOI: 10.1016/j.cortex.2017.09.028] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2017] [Revised: 06/08/2017] [Accepted: 09/29/2017] [Indexed: 11/17/2022]
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35
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Mas-Herrero E, Dagher A, Zatorre RJ. Modulating musical reward sensitivity up and down with transcranial magnetic stimulation. Nat Hum Behav 2017; 2:27-32. [PMID: 30980048 DOI: 10.1038/s41562-017-0241-z] [Citation(s) in RCA: 42] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2017] [Accepted: 10/12/2017] [Indexed: 01/24/2023]
Abstract
Humans have the unique capacity to experience pleasure from aesthetic stimuli, such as art and music. Recent neuroimaging findings with music have led to a model in which mesolimbic striatal circuits interact with cortical systems to generate expectancies leading to pleasure 1,2 . However, neuroimaging approaches are correlational. Here, we provide causal evidence for the model by combining transcranial magnetic stimulation over the left dorsolateral prefrontal cortex to directly modulate fronto-striatal function 3 bidirectionally together with measures of pleasure and motivation during music listening. Our results show that perceived pleasure, psychophysiological measures of emotional arousal, and the monetary value assigned to music, are all significantly increased by exciting fronto-striatal pathways, whereas inhibition of this system leads to decreases in all of these variables compared with sham stimulation. These findings support the hypothesis that fronto-striatal function causally mediates both the affective responses and motivational aspects of music-induced reward, and provide insights into how aesthetic responses emerge in the human brain.
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Affiliation(s)
- Ernest Mas-Herrero
- Montreal Neurological Institute, McGill University, Montreal, QC, Canada.,International Laboratory for Brain, Music, and Sound Research (BRAMS), Montreal, QC, Canada.,Centre for Research on Brain, Language and Music (CRBLM), Montreal, QC, Canada
| | - Alain Dagher
- Montreal Neurological Institute, McGill University, Montreal, QC, Canada
| | - Robert J Zatorre
- Montreal Neurological Institute, McGill University, Montreal, QC, Canada. .,International Laboratory for Brain, Music, and Sound Research (BRAMS), Montreal, QC, Canada. .,Centre for Research on Brain, Language and Music (CRBLM), Montreal, QC, Canada.
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36
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Sihvonen AJ, Särkämö T, Ripollés P, Leo V, Saunavaara J, Parkkola R, Rodríguez-Fornells A, Soinila S. Functional neural changes associated with acquired amusia across different stages of recovery after stroke. Sci Rep 2017; 7:11390. [PMID: 28900231 PMCID: PMC5595783 DOI: 10.1038/s41598-017-11841-6] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2017] [Accepted: 08/30/2017] [Indexed: 11/09/2022] Open
Abstract
Brain damage causing acquired amusia disrupts the functional music processing system, creating a unique opportunity to investigate the critical neural architectures of musical processing in the brain. In this longitudinal fMRI study of stroke patients (N = 41) with a 6-month follow-up, we used natural vocal music (sung with lyrics) and instrumental music stimuli to uncover brain activation and functional network connectivity changes associated with acquired amusia and its recovery. In the acute stage, amusic patients exhibited decreased activation in right superior temporal areas compared to non-amusic patients during instrumental music listening. During the follow-up, the activation deficits expanded to comprise a wide-spread bilateral frontal, temporal, and parietal network. The amusics showed less activation deficits to vocal music, suggesting preserved processing of singing in the amusic brain. Compared to non-recovered amusics, recovered amusics showed increased activation to instrumental music in bilateral frontoparietal areas at 3 months and in right middle and inferior frontal areas at 6 months. Amusia recovery was also associated with increased functional connectivity in right and left frontoparietal attention networks to instrumental music. Overall, our findings reveal the dynamic nature of deficient activation and connectivity patterns in acquired amusia and highlight the role of dorsal networks in amusia recovery.
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Affiliation(s)
- Aleksi J Sihvonen
- Faculty of Medicine, University of Turku, 20520, Turku, Finland. .,Cognitive Brain Research Unit, Department of Psychology and Logopedics, Faculty of Medicine, University of Helsinki, 00014, Helsinki, Finland.
| | - Teppo Särkämö
- Cognitive Brain Research Unit, Department of Psychology and Logopedics, Faculty of Medicine, University of Helsinki, 00014, Helsinki, Finland
| | - Pablo Ripollés
- Cognition and Brain Plasticity Group, Bellvitge Biomedical Research Institute (IDIBELL), L'Hospitalet de Llobregat, 08907, Barcelona, Spain.,Department of Cognition, Development and Education Psychology, University of Barcelona, 08035, Barcelona, Spain.,Poeppel Lab, Department of Psychology, New York University, 10003, NY, USA
| | - Vera Leo
- Cognitive Brain Research Unit, Department of Psychology and Logopedics, Faculty of Medicine, University of Helsinki, 00014, Helsinki, Finland
| | - Jani Saunavaara
- Department of Medical Physics, Turku University Hospital, 20521, Turku, Finland
| | - Riitta Parkkola
- Department of Radiology, Turku University and Turku University Hospital, 20521, Turku, Finland
| | - Antoni Rodríguez-Fornells
- Cognition and Brain Plasticity Group, Bellvitge Biomedical Research Institute (IDIBELL), L'Hospitalet de Llobregat, 08907, Barcelona, Spain.,Department of Cognition, Development and Education Psychology, University of Barcelona, 08035, Barcelona, Spain.,Catalan Institution for Research and Advanced Studies, ICREA, Barcelona, Spain
| | - Seppo Soinila
- Division of Clinical Neurosciences, Turku University Hospital and Department of Neurology, University of Turku, 20521, Turku, Finland
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37
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Whiteford KL, Oxenham AJ. Auditory deficits in amusia extend beyond poor pitch perception. Neuropsychologia 2017; 99:213-224. [PMID: 28315696 PMCID: PMC5408761 DOI: 10.1016/j.neuropsychologia.2017.03.018] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2016] [Revised: 03/08/2017] [Accepted: 03/13/2017] [Indexed: 11/28/2022]
Abstract
Congenital amusia is a music perception disorder believed to reflect a deficit in fine-grained pitch perception and/or short-term or working memory for pitch. Because most measures of pitch perception include memory and segmentation components, it has been difficult to determine the true extent of pitch processing deficits in amusia. It is also unclear whether pitch deficits persist at frequencies beyond the range of musical pitch. To address these questions, experiments were conducted with amusics and matched controls, manipulating both the stimuli and the task demands. First, we assessed pitch discrimination at low (500Hz and 2000Hz) and high (8000Hz) frequencies using a three-interval forced-choice task. Amusics exhibited deficits even at the highest frequency, which lies beyond the existence region of musical pitch. Next, we assessed the extent to which frequency coding deficits persist in one- and two-interval frequency-modulation (FM) and amplitude-modulation (AM) detection tasks at 500Hz at slow (fm=4Hz) and fast (fm=20Hz) modulation rates. Amusics still exhibited deficits in one-interval FM detection tasks that should not involve memory or segmentation. Surprisingly, amusics were also impaired on AM detection, which should not involve pitch processing. Finally, direct comparisons between the detection of continuous and discrete FM demonstrated that amusics suffer deficits in both coding and segmenting pitch information. Our results reveal auditory deficits in amusia extending beyond pitch perception that are subtle when controlling for memory and segmentation, and are likely exacerbated in more complex contexts such as musical listening.
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Affiliation(s)
- Kelly L Whiteford
- Department of Psychology, University of Minnesota, 75 East River Parkway, Minneapolis, MN 55455, USA.
| | - Andrew J Oxenham
- Department of Psychology, University of Minnesota, 75 East River Parkway, Minneapolis, MN 55455, USA
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38
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Selective Entrainment of Theta Oscillations in the Dorsal Stream Causally Enhances Auditory Working Memory Performance. Neuron 2017; 94:193-206.e5. [DOI: 10.1016/j.neuron.2017.03.015] [Citation(s) in RCA: 128] [Impact Index Per Article: 18.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2016] [Revised: 02/04/2017] [Accepted: 03/09/2017] [Indexed: 01/20/2023]
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39
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Peretz I. Neurobiology of Congenital Amusia. Trends Cogn Sci 2016; 20:857-867. [DOI: 10.1016/j.tics.2016.09.002] [Citation(s) in RCA: 82] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2016] [Revised: 08/26/2016] [Accepted: 09/06/2016] [Indexed: 01/05/2023]
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Abstract
Congenital amusia is a lifelong deficit in music perception thought to reflect an underlying impairment in the perception and memory of pitch. The neural basis of amusic impairments is actively debated. Some prior studies have suggested that amusia stems from impaired connectivity between auditory and frontal cortex. However, it remains possible that impairments in pitch coding within auditory cortex also contribute to the disorder, in part because prior studies have not measured responses from the cortical regions most implicated in pitch perception in normal individuals. We addressed this question by measuring fMRI responses in 11 subjects with amusia and 11 age- and education-matched controls to a stimulus contrast that reliably identifies pitch-responsive regions in normal individuals: harmonic tones versus frequency-matched noise. Our findings demonstrate that amusic individuals with a substantial pitch perception deficit exhibit clusters of pitch-responsive voxels that are comparable in extent, selectivity, and anatomical location to those of control participants. We discuss possible explanations for why amusics might be impaired at perceiving pitch relations despite exhibiting normal fMRI responses to pitch in their auditory cortex: (1) individual neurons within the pitch-responsive region might exhibit abnormal tuning or temporal coding not detectable with fMRI, (2) anatomical tracts that link pitch-responsive regions to other brain areas (e.g., frontal cortex) might be altered, and (3) cortical regions outside of pitch-responsive cortex might be abnormal. The ability to identify pitch-responsive regions in individual amusic subjects will make it possible to ask more precise questions about their role in amusia in future work.
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Impaired short-term memory for pitch in congenital amusia. Brain Res 2016; 1640:251-63. [DOI: 10.1016/j.brainres.2015.10.035] [Citation(s) in RCA: 47] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2015] [Revised: 10/11/2015] [Accepted: 10/18/2015] [Indexed: 11/17/2022]
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Zhao Y, Chen X, Zhong S, Cui Z, Gong G, Dong Q, Nan Y. Abnormal topological organization of the white matter network in Mandarin speakers with congenital amusia. Sci Rep 2016; 6:26505. [PMID: 27211239 PMCID: PMC4876438 DOI: 10.1038/srep26505] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2016] [Accepted: 05/04/2016] [Indexed: 12/17/2022] Open
Abstract
Congenital amusia is a neurogenetic disorder that mainly affects the processing of musical pitch. Brain imaging evidence indicates that it is associated with abnormal structural and functional connections in the fronto-temporal region. However, a holistic understanding of the anatomical topology underlying amusia is still lacking. Here, we used probabilistic diffusion tensor imaging tractography and graph theory to examine whole brain white matter structural connectivity in 31 Mandarin-speaking amusics and 24 age- and IQ-matched controls. Amusics showed significantly reduced global connectivity, as indicated by the abnormally decreased clustering coefficient (Cp) and increased normalized shortest path length (λ) compared to the controls. Moreover, amusics exhibited enhanced nodal strength in the right inferior parietal lobule relative to controls. The co-existence of the lexical tone deficits was associated with even more deteriorated global network efficiency in amusics, as suggested by the significant correlation between the increments in normalized shortest path length (λ) and the insensitivity in lexical tone perception. Our study is the first to reveal reduced global connectivity efficiency in amusics as well as an increase in the global connectivity cost due to the co-existed lexical tone deficits. Taken together these results provide a holistic perspective on the anatomical substrates underlying congenital amusia.
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Affiliation(s)
- Yanxin Zhao
- State Key Laboratory of Cognitive Neuroscience and Learning &IDG/McGovern Institute for Brain Research, Beijing Normal University, Beijing, China
| | - Xizhuo Chen
- State Key Laboratory of Cognitive Neuroscience and Learning &IDG/McGovern Institute for Brain Research, Beijing Normal University, Beijing, China
| | - Suyu Zhong
- State Key Laboratory of Cognitive Neuroscience and Learning &IDG/McGovern Institute for Brain Research, Beijing Normal University, Beijing, China
| | - Zaixu Cui
- State Key Laboratory of Cognitive Neuroscience and Learning &IDG/McGovern Institute for Brain Research, Beijing Normal University, Beijing, China
| | - Gaolang Gong
- State Key Laboratory of Cognitive Neuroscience and Learning &IDG/McGovern Institute for Brain Research, Beijing Normal University, Beijing, China
| | - Qi Dong
- State Key Laboratory of Cognitive Neuroscience and Learning &IDG/McGovern Institute for Brain Research, Beijing Normal University, Beijing, China
| | - Yun Nan
- State Key Laboratory of Cognitive Neuroscience and Learning &IDG/McGovern Institute for Brain Research, Beijing Normal University, Beijing, China
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Discrimination of tonal and atonal music in congenital amusia: The advantage of implicit tasks. Neuropsychologia 2016; 85:10-8. [DOI: 10.1016/j.neuropsychologia.2016.02.027] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2015] [Revised: 02/06/2016] [Accepted: 02/28/2016] [Indexed: 11/20/2022]
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Leveque Y, Fauvel B, Groussard M, Caclin A, Albouy P, Platel H, Tillmann B. Altered intrinsic connectivity of the auditory cortex in congenital amusia. J Neurophysiol 2016; 116:88-97. [PMID: 27009161 DOI: 10.1152/jn.00663.2015] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2015] [Accepted: 03/21/2016] [Indexed: 11/22/2022] Open
Abstract
Congenital amusia, a neurodevelopmental disorder of music perception and production, has been associated with abnormal anatomical and functional connectivity in a right frontotemporal pathway. To investigate whether spontaneous connectivity in brain networks involving the auditory cortex is altered in the amusic brain, we ran a seed-based connectivity analysis, contrasting at-rest functional MRI data of amusic and matched control participants. Our results reveal reduced frontotemporal connectivity in amusia during resting state, as well as an overconnectivity between the auditory cortex and the default mode network (DMN). The findings suggest that the auditory cortex is intrinsically more engaged toward internal processes and less available to external stimuli in amusics compared with controls. Beyond amusia, our findings provide new evidence for the link between cognitive deficits in pathology and abnormalities in the connectivity between sensory areas and the DMN at rest.
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Affiliation(s)
- Yohana Leveque
- Lyon Neuroscience Research Center, INSERM U1028, CNRS UMR 5292, Lyon, France; University Lyon 1, Lyon, France;
| | - Baptiste Fauvel
- INSERM U1077, Caen, France; and Université de Caen Basse-Normandie, UMR-S1077, Caen, France
| | - Mathilde Groussard
- INSERM U1077, Caen, France; and Université de Caen Basse-Normandie, UMR-S1077, Caen, France
| | - Anne Caclin
- Lyon Neuroscience Research Center, INSERM U1028, CNRS UMR 5292, Lyon, France; University Lyon 1, Lyon, France
| | - Philippe Albouy
- Lyon Neuroscience Research Center, INSERM U1028, CNRS UMR 5292, Lyon, France; University Lyon 1, Lyon, France
| | - Hervé Platel
- INSERM U1077, Caen, France; and Université de Caen Basse-Normandie, UMR-S1077, Caen, France
| | - Barbara Tillmann
- Lyon Neuroscience Research Center, INSERM U1028, CNRS UMR 5292, Lyon, France; University Lyon 1, Lyon, France
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Kida T, Tanaka E, Kakigi R. Multi-Dimensional Dynamics of Human Electromagnetic Brain Activity. Front Hum Neurosci 2016; 9:713. [PMID: 26834608 PMCID: PMC4717327 DOI: 10.3389/fnhum.2015.00713] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2015] [Accepted: 12/21/2015] [Indexed: 12/21/2022] Open
Abstract
Magnetoencephalography (MEG) and electroencephalography (EEG) are invaluable neuroscientific tools for unveiling human neural dynamics in three dimensions (space, time, and frequency), which are associated with a wide variety of perceptions, cognition, and actions. MEG/EEG also provides different categories of neuronal indices including activity magnitude, connectivity, and network properties along the three dimensions. In the last 20 years, interest has increased in inter-regional connectivity and complex network properties assessed by various sophisticated scientific analyses. We herein review the definition, computation, short history, and pros and cons of connectivity and complex network (graph-theory) analyses applied to MEG/EEG signals. We briefly describe recent developments in source reconstruction algorithms essential for source-space connectivity and network analyses. Furthermore, we discuss a relatively novel approach used in MEG/EEG studies to examine the complex dynamics represented by human brain activity. The correct and effective use of these neuronal metrics provides a new insight into the multi-dimensional dynamics of the neural representations of various functions in the complex human brain.
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Affiliation(s)
- Tetsuo Kida
- Department of Integrative Physiology, National Institute for Physiological SciencesOkazaki, Japan
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Albouy P, Cousineau M, Caclin A, Tillmann B, Peretz I. Impaired encoding of rapid pitch information underlies perception and memory deficits in congenital amusia. Sci Rep 2016; 6:18861. [PMID: 26732511 PMCID: PMC4702148 DOI: 10.1038/srep18861] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2015] [Accepted: 11/27/2015] [Indexed: 11/17/2022] Open
Abstract
Recent theories suggest that the basis of neurodevelopmental auditory disorders such as dyslexia or specific language impairment might be a low-level sensory dysfunction. In the present study we test this hypothesis in congenital amusia, a neurodevelopmental disorder characterized by severe deficits in the processing of pitch-based material. We manipulated the temporal characteristics of auditory stimuli and investigated the influence of the time given to encode pitch information on participants' performance in discrimination and short-term memory. Our results show that amusics' performance in such tasks scales with the duration available to encode acoustic information. This suggests that in auditory neuro-developmental disorders, abnormalities in early steps of the auditory processing can underlie the high-level deficits (here musical disabilities). Observing that the slowing down of temporal dynamics improves amusics' pitch abilities allows considering this approach as a potential tool for remediation in developmental auditory disorders.
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Affiliation(s)
- Philippe Albouy
- Lyon Neuroscience Research Center, Auditory Cognition and Psychoacoustics Team & Brain Dynamics and Cognition Team, CRNL, CNRS UMR5292, INSERM U1028, Lyon, F-69000, France
- Université Lyon 1, Lyon, F-69000, France
- International Laboratory for Brain, Music and Sound Research (BRAMS), Université de Montréal, Montreal, QC, Canada H3C 3J7
- Montreal Neurological Institute, McGill University, Montreal, QC Canada H3A 2B4
| | - Marion Cousineau
- International Laboratory for Brain, Music and Sound Research (BRAMS), Université de Montréal, Montreal, QC, Canada H3C 3J7
| | - Anne Caclin
- Lyon Neuroscience Research Center, Auditory Cognition and Psychoacoustics Team & Brain Dynamics and Cognition Team, CRNL, CNRS UMR5292, INSERM U1028, Lyon, F-69000, France
- Université Lyon 1, Lyon, F-69000, France
| | - Barbara Tillmann
- Lyon Neuroscience Research Center, Auditory Cognition and Psychoacoustics Team & Brain Dynamics and Cognition Team, CRNL, CNRS UMR5292, INSERM U1028, Lyon, F-69000, France
- Université Lyon 1, Lyon, F-69000, France
| | - Isabelle Peretz
- International Laboratory for Brain, Music and Sound Research (BRAMS), Université de Montréal, Montreal, QC, Canada H3C 3J7
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