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Orth L, Meeh J, Leiding D, Habel U, Neuner I, Sarkheil P. Aberrant Functional Connectivity of the Salience Network in Adult Patients with Tic Disorders: A Resting-State fMRI Study. eNeuro 2024; 11:ENEURO.0223-23.2024. [PMID: 38744491 PMCID: PMC11167695 DOI: 10.1523/eneuro.0223-23.2024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2023] [Revised: 12/27/2023] [Accepted: 02/26/2024] [Indexed: 05/16/2024] Open
Abstract
Tic disorders (TD) are characterized by the presence of motor and/or vocal tics. Common neurophysiological frameworks suggest dysregulations of the cortico-striatal-thalamo-cortical (CSTC) brain circuit that controls movement execution. Besides common tics, there are other "non-tic" symptoms that are primarily related to sensory perception, sensorimotor integration, attention, and social cognition. The existence of these symptoms, the sensory tic triggers, and the modifying effect of attention and cognitive control mechanisms on tics may indicate the salience network's (SN) involvement in the neurophysiology of TD. Resting-state functional MRI measurements were performed in 26 participants with TD and 25 healthy controls (HC). The group differences in resting-state functional connectivity patterns were measured based on seed-to-voxel connectivity analyses. Compared to HC, patients with TD exhibited altered connectivity between the core regions of the SN (insula, anterior cingulate cortex, and temporoparietal junction) and sensory, associative, and motor-related cortices. Furthermore, connectivity changes were observed in relation to the severity of tics in the TD group. The SN, particularly the insula, is likely to be an important site of dysregulation in TD. Our results provide evidence for large-scale neural deviations in TD beyond the CSTC pathologies. These findings may be relevant for developing treatment targets.
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Affiliation(s)
- Linda Orth
- Department of Psychiatry, Psychotherapy and Psychosomatics, RWTH Aachen University, 52074 Aachen, Germany
| | - Johanna Meeh
- Department of Psychiatry and Psychotherapy, University of Münster, 48149 Münster, Germany
| | - Delia Leiding
- Department of Psychiatry, Psychotherapy and Psychosomatics, RWTH Aachen University, 52074 Aachen, Germany
| | - Ute Habel
- Department of Psychiatry, Psychotherapy and Psychosomatics, RWTH Aachen University, 52074 Aachen, Germany
| | - Irene Neuner
- Department of Psychiatry, Psychotherapy and Psychosomatics, RWTH Aachen University, 52074 Aachen, Germany
- Institute of Neuroscience and Medicine 4, INM-4, Forschungszentrum Jülich, 52428 Jülich, Germany
| | - Pegah Sarkheil
- Department of Psychiatry, Psychotherapy and Psychosomatics, RWTH Aachen University, 52074 Aachen, Germany
- Department of Psychiatry and Psychotherapy, University of Münster, 48149 Münster, Germany
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Cohn EG, Harrison MJ, McVilly KR. 'Let me tell you, I see echolalia as being a part of my son's identity': Exploring echolalia as an expression of neurodiversity from a parental perspective. AUTISM : THE INTERNATIONAL JOURNAL OF RESEARCH AND PRACTICE 2024; 28:1245-1257. [PMID: 37674319 PMCID: PMC11067407 DOI: 10.1177/13623613231195795] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/08/2023]
Abstract
LAY ABSTRACT Echolalia is a commonly found speech and language condition in autistic children. Children with echolalia repeat words and phrases they previously hear in place of proving a non-repetitive response. In research and when visiting speech and language services, one of the common goals is to modify these repetitions so that these children may, more socially, engage with their surrounding environment. In our research, we identified that not all parents want their children's echolalia to be modified. Some parents want their child to be able to enjoy echolalia and others don't want anyone to intervene because they see it as something that makes their child unique and being unique is something to be celebrated. We believe that there might be a way for speech and language services who want to modify echolalia and the parents in our study who do not want their child's echolalia to be modified, to be able to exist side-by-side.
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Baizabal-Carvallo JF, Cavanna AE, Jankovic J. Tics emergencies and malignant tourette syndrome: Assessment and management. Neurosci Biobehav Rev 2024; 159:105609. [PMID: 38447821 DOI: 10.1016/j.neubiorev.2024.105609] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2023] [Revised: 01/29/2024] [Accepted: 02/27/2024] [Indexed: 03/08/2024]
Abstract
Tourette syndrome (TS) is a complex neurodevelopmental disorder characterized by the presence of tics, frequently accompanied by a variety of neuropsychiatric comorbidities. A subset of patients with TS present with severe and disabling symptoms, requiring prompt therapeutic intervention. Some of these manifestations may result in medical emergencies when severe motor or phonic tics lead to damage of anatomical structures closely related to the tic. Examples include myelopathy or radiculopathy following severe neck ("whiplash") jerks or a variety of self-inflicted injuries. In addition to self-aggression or, less commonly, allo-aggression, some patients exhibit highly inappropriate behavior, suicidal tendencies, and rage attacks which increase the burden of the disease and are important components of "malignant TS". This subset of TS is frequently associated with comorbid obsessive-compulsive disorder. Therapeutic measures include intensive behavioral therapy, optimization of oral pharmacotherapy, botulinum toxin injections, and deep brain stimulation.
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Affiliation(s)
- José Fidel Baizabal-Carvallo
- Parkinson's Disease Center and Movement Disorders Clinic, Department of Neurology, Baylor College of Medicine, Houston, TX, USA; Department of Sciences and Engineering, University of Guanajuato, León, Mexico.
| | - Andrea E Cavanna
- Department of Neuropsychiatry, BSMHFT and University of Birmingham, Birmingham, United Kingdom; Sobell Department of Motor Neuroscience and Movement Disorders, Institute of Neurology and University College London, London, United Kingdom; School of Health and Life Sciences, Aston Institute of Health and Neurodevelopment, Aston University, Birmingham, United Kingdom; School of Medicine and Surgery, University of Milano-Bicocca, Milan, Italy
| | - Joseph Jankovic
- Parkinson's Disease Center and Movement Disorders Clinic, Department of Neurology, Baylor College of Medicine, Houston, TX, USA
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Münchau A, Klein C, Beste C. Rethinking Movement Disorders. Mov Disord 2024; 39:472-484. [PMID: 38196315 DOI: 10.1002/mds.29706] [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: 07/05/2023] [Revised: 11/16/2023] [Accepted: 12/15/2023] [Indexed: 01/11/2024] Open
Abstract
At present, clinical practice and research in movement disorders (MDs) focus on the "normalization" of altered movements. In this review, rather than concentrating on problems and burdens people with MDs undoubtedly have, we highlight their hidden potentials. Starting with current definitions of Parkinson's disease (PD), dystonia, chorea, and tics, we outline that solely conceiving these phenomena as signs of dysfunction falls short of their complex nature comprising both problems and potentials. Such potentials can be traced and understood in light of well-established cognitive neuroscience frameworks, particularly ideomotor principles, and their influential modern derivatives. Using these frameworks, the wealth of data on altered perception-action integration in the different MDs can be explained and systematized using the mechanism-oriented concept of perception-action binding. According to this concept, MDs can be understood as phenomena requiring and fostering flexible modifications of perception-action associations. Consequently, although conceived as being caught in a (trough) state of deficits, given their high flexibility, people with MDs also have high potential to switch to (adaptive) peak activity that can be conceptualized as hidden potentials. Currently, clinical practice and research in MDs are concerned with deficits and thus the "deep and wide troughs," whereas "scattered narrow peaks" reflecting hidden potentials are neglected. To better delineate and utilize the latter to alleviate the burden of affected people, and destigmatize their conditions, we suggest some measures, including computational modeling combined with neurophysiological methods and tailored treatment. © 2024 International Parkinson and Movement Disorder Society.
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Affiliation(s)
- Alexander Münchau
- Institute of Systems Motor Science, University of Lübeck, Lübeck, Germany
| | - Christine Klein
- Institute of Neurogenetics, University of Lübeck, Lübeck, Germany
| | - Christian Beste
- Cognitive Neurophysiology, Department of Child and Adolescent Psychiatry, Faculty of Medicine, TU Dresden, Dresden, Germany
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Durrani S, Ahmed S. Case report: a unique presentation of memantine overdose causing echolalia and hypertension. BMC Geriatr 2024; 24:123. [PMID: 38302876 PMCID: PMC10835811 DOI: 10.1186/s12877-024-04658-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2023] [Accepted: 01/02/2024] [Indexed: 02/03/2024] Open
Abstract
BACKGROUND Since 2003 when memantine was first approved for use in the management of moderate-severe Alzheimer's dementia, its use has become more widespread and is being explored in other diseases like neuropathic pain, epilepsy, and mood disorders. Our case uniquely highlights two important adverse effects in a patient who overdosed on memantine. One is hypertension, which is easy to overlook as a medication side effect. The other is echolalia which is the repetition of words and phrases spoken by another person. It is commonly seen in children with autism spectrum disorder and has been reported in older adults with head injuries, delirium, and neurocognitive disorders. The aim of this patient story is to highlight the importance of medication reconciliation with caregivers and knowledge of adverse drug reactions in patient management. This case report has been presented previously in the form of an abstract at the American Geriatrics Society Presidential poster session in May 2023. CASE PRESENTATION Our patient is an 86-year-old man with mild dementia and hypertension, who was brought to the emergency department (ED) due to abrupt onset of altered mental status and auditory hallucinations. Investigations including blood work, CT head and an electroencephalogram (EEG) did not reveal an etiology for this change in his condition. Due to elevated blood pressure on presentation, a nicardipine drip was started, and he was given IV midazolam to assist with obtaining imaging. While reviewing medications with his daughter, it was noted that sixty memantine pills were missing from the bottle. Poison control was contacted and they confirmed association of these features with memantine. With supportive care, his symptoms resolved in less than 100 h, consistent with the half-life of memantine. Notably, our patient was started on Memantine one month prior to this presentation. CONCLUSIONS Hypertensive urgency and echolalia were the most striking symptoms of our patient's presentation. Though hypertension is a known sign of memantine overdose, it can easily be contributed to medication non-compliance in patients with dementia, being treated for hypertension. According to our literature review, this the first case of memantine overdose presenting with echolalia, a sign that is not commonly associated with adverse reactions to medications. This highlights the importance of an early medication review, especially with caregivers of people with dementia.
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Affiliation(s)
- Sana Durrani
- Division of Geriatrics and Gerontology, Johns Hopkins School of Medicine, 5200 Eastern Avenue, Mason F Lord Building, Center Tower, Suite 2200, 21224, Baltimore, MD, USA.
| | - Shaista Ahmed
- Division of Geriatrics and Gerontology, Johns Hopkins School of Medicine, 5200 Eastern Avenue, Mason F Lord Building, Center Tower, Suite 2200, 21224, Baltimore, MD, USA
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6
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Cohn EG, Mcvilly KR, Harrison MJ. Mapping the parent experience of echolalia in autism spectrum disorder onto a conceptual taxonomy. INTERNATIONAL JOURNAL OF SPEECH-LANGUAGE PATHOLOGY 2023:1-16. [PMID: 37729082 DOI: 10.1080/17549507.2023.2244201] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/22/2023]
Abstract
PURPOSE Echolalia, the repetition of previously heard speech, is prevalent in a variety of neurologic and psychiatric disorders. Within the context of echolalia in autism spectrum disorder (ASD), research and intervention historically assume a clinical standpoint with two opposing paradigms: behaviourism and developmentalism. The literature is largely silent on how those other than researchers and clinicians understand echolalia. This study examined how parents experience echolalia through their children with ASD. The aim of the study was to ascertain if the parental perception of echolalia in ASD aligns with, or offers alternative perspectives to, current clinically-orientated views. METHOD We employed online semi-structured interviews to document the experiences of 126 parents, reflecting on their children with ASD aged 3 to 34 years of age, to determine if the parent experience could be mapped onto existing clinical frameworks, or if they might offer new perspectives. We used hermeneutic phenomenological data analysis in an abductive framework. RESULT Echolalia has predominantly been represented in literature through the perspectives of behaviourism or developmentalism. We found however, that echolalia is a phenomenon that is experienced by parents in a variety of different ways to that of the current clinically-orientated understandings. Such new ways of understanding echolalia that emerged from our analysis include one understanding which is dependent upon how echolalia is heard, and one in which parents are "waiting for echolalia to evolve." CONCLUSION The traditional dichotomous clinical positions do not resonate with all parents, and reliance on these traditional perspectives alone may impact effective engagement with parents and the success of interventions and support strategies. Our findings have implications for future research, the education of clinicians and educators, and the design of support and intervention for those who have echolalia.
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Affiliation(s)
- Eli G Cohn
- Faculty of Arts, School of Social and Political Sciences, The University of Melbourne, Melbourne, Australia
| | - Keith R Mcvilly
- Faculty of Arts, School of Social and Political Sciences, The University of Melbourne, Melbourne, Australia
| | - Matthew J Harrison
- Melbourne Graduate School of Education, The University of Melbourne, Melbourne, Australia
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Weiblen R, Robert C, Petereit P, Heldmann M, Münte TF, Münchau A, Müller-Vahl K, Krämer UM. Neural, physiological and behavioural correlates of empathy for pain in Tourette syndrome. Brain Commun 2023; 5:fcad212. [PMID: 37601409 PMCID: PMC10438210 DOI: 10.1093/braincomms/fcad212] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2023] [Revised: 07/17/2023] [Accepted: 08/10/2023] [Indexed: 08/22/2023] Open
Abstract
Persons with Tourette syndrome show altered social behaviours, such as echophenomena and increased personal distress in emotional situations. These symptoms may reflect an overactive mirror neuron system, causing both increased automatic imitation and a stronger tendency to share others' emotions. To test this, we measured the individual level of echophenomena with a video protocol and experimentally induced empathy for pain in 21 participants with Tourette syndrome and 25 matched controls. In the empathy for pain paradigm, pictures of hands and feet in painful or neutral situations were presented, while we measured participants' EEG and skin conductance response. Changes in somatosensory mu suppression during the observation of the pictures and pain ratings were compared between groups, and correlations were calculated with the occurrence of echophenomena, self-reported empathy and clinical measures. Our Tourette syndrome sample showed significantly more echophenomena than controls, but the groups showed no behavioural differences in empathic abilities. However, controls, but not patients with Tourette syndrome, showed the predicted increased mu suppression when watching painful compared to neutral actions. While echophenomena were present in all persons with Tourette syndrome, the hypothesis of an overactive mirror neuron system in Tourette syndrome could not be substantiated. On the contrary, the Tourette syndrome group showed a noticeable lack of mu attenuation in response to pain stimuli. In conclusion, we found a first hint of altered processing of others' emotional states in a brain region associated with the mirror neuron system.
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Affiliation(s)
- Ronja Weiblen
- Department of Neurology, University of Lübeck, 23562 Lübeck, Germany
- Department of Psychiatry and Psychotherapy, University of Lübeck, 23562 Lübeck, Germany
| | - Carina Robert
- Department of Neurology, University of Lübeck, 23562 Lübeck, Germany
| | - Pauline Petereit
- Department of Neurology, University of Lübeck, 23562 Lübeck, Germany
| | - Marcus Heldmann
- Department of Neurology, University of Lübeck, 23562 Lübeck, Germany
- Department of Psychology, University of Lübeck, 23562 Lübeck, Germany
- Center of Brain, Behavior and Metabolism, University of Lübeck, 23562 Lübeck, Germany
| | - Thomas F Münte
- Department of Neurology, University of Lübeck, 23562 Lübeck, Germany
- Department of Psychology, University of Lübeck, 23562 Lübeck, Germany
- Center of Brain, Behavior and Metabolism, University of Lübeck, 23562 Lübeck, Germany
| | - Alexander Münchau
- Center of Brain, Behavior and Metabolism, University of Lübeck, 23562 Lübeck, Germany
- Institute of Systems Motor Science, University of Lübeck, 23562 Lübeck, Germany
| | - Kirsten Müller-Vahl
- Department of Psychiatry, Social Psychiatry and Psychotherapy, Hannover Medical School, 30625 Hannover, Germany
| | - Ulrike M Krämer
- Department of Neurology, University of Lübeck, 23562 Lübeck, Germany
- Department of Psychology, University of Lübeck, 23562 Lübeck, Germany
- Center of Brain, Behavior and Metabolism, University of Lübeck, 23562 Lübeck, Germany
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Hamlin D, Mahgoub Y. A unique presentation of echo phenomena in a patient with catatonia: a case report and literature review. BMC Psychiatry 2023; 23:364. [PMID: 37226149 DOI: 10.1186/s12888-023-04821-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/14/2023] [Accepted: 04/26/2023] [Indexed: 05/26/2023] Open
Abstract
BACKGROUND Catatonia is a complex syndrome notable for a highly variable presentation. Standardized exam and criteria can enumerate possible presentations, but recognition of novel catatonic phenomenon may facilitate better understanding of catatonia's core features. CASE PRESENTATION A 61 year-old divorced pensioner with history of schizoaffective disorder was hospitalized for psychosis in the setting of medication noncompliance. While hospitalized, she developed multiple classic catatonia signs such as staring and grimacing, as well as a bizarre echo phenomenon while reading text that improved alongside other catatonic symptoms with treatment. CONCLUSION Echo phenomenon are a component of catatonia often recognized when presenting as echopraxia or echolalia, but other echo phenomenon are well established in the literature. Recognition or novel catatonic symptoms like this can lead to improved recognition and treatment of catatonia.
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Affiliation(s)
- Dallas Hamlin
- Department of Psychiatry and Behavioral Health, Penn State Health Milton S Hershey Medical Center, Hershey, PA, USA.
| | - Yassir Mahgoub
- Department of Psychiatry and Behavioral Health, Penn State Health Milton S Hershey Medical Center, Hershey, PA, USA
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Woods DW, Himle MB, Stiede JT, Pitts BX. Behavioral Interventions for Children and Adults with Tic Disorder. Annu Rev Clin Psychol 2023; 19:233-260. [PMID: 37159286 DOI: 10.1146/annurev-clinpsy-080921-074307] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/10/2023]
Abstract
Over the past decade, behavioral interventions have become increasingly recognized and recommended as effective first-line therapies for treating individuals with tic disorders. In this article, we describe a basic theoretical and conceptual framework through which the reader can understand the application of these interventions for treating tics. The three primary behavioral interventions for tics with the strongest empirical support (habit reversal, Comprehensive Behavioral Intervention for Tics, and exposure and response prevention) are described. Research on the efficacy and effectiveness of these treatments is summarized along with a discussion of the research evaluating the delivery of these treatments in different formats and modalities. The article closes with a review of the possible mechanisms of change underlying behavioral interventions for tics and areas for future research.
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Affiliation(s)
- Douglas W Woods
- Department of Psychology, Marquette University, Milwaukee, Wisconsin, USA;
| | - Michael B Himle
- Department of Psychology, University of Utah, Salt Lake City, Utah, USA
| | - Jordan T Stiede
- Department of Psychiatry & Behavioral Sciences, Baylor College of Medicine, Houston, Texas, USA
| | - Brandon X Pitts
- Department of Psychology, Marquette University, Milwaukee, Wisconsin, USA;
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Fedotov SA, Baidyuk EV. Communication as the Origin of Consciousness. Integr Psychol Behav Sci 2023; 57:20-42. [PMID: 35364805 DOI: 10.1007/s12124-022-09686-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/23/2022] [Indexed: 01/13/2023]
Abstract
Since the middle of the 20th century, more and more data have appeared on the limited role of consciousness in determining human behavior. In this opinion paper, we hypothesize that the basis of consciousness is precisely the communicative function, and discuss relations of consciousness to other cognitive processes such sensory detection, decision-making and emotions. Within the framework of the hypothesis, consciousness is considered as a highly specialized function of the brain, which ensures encoding of personal information as communication messages. On a subjective level, mental representation just means the state of information to be shared in a human group. Accordingly, consciousness affects only those components of human behavior that are associated with the transmission of messages. Sensory detection, decision-making, emotions and other processes are only projected into consciousness during the encoding of information of them. The communication hypothesis assumes that consciousness is an adaptation that increases the efficiency of a collective way of life, and the emergence of consciousness is inextricably linked with the development of language in human culture. In the future, our view of consciousness provides an opportunity for an objective analysis of subjective phenomena by means of a directed study of the formation of messages both at the level of brain processes and at the level of interactions between individuals.
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Affiliation(s)
- Sergei A Fedotov
- Laboratory of Comparative Behavior, Pavlov Institute of Physiology, Russian Academy of Sciences, 199034, St. Petersburg, Russia.
- Laboratory of Amyloid Biology, St. Petersburg State University, 199034, St. Petersburg, Russia.
| | - Ekaterina V Baidyuk
- Laboratory of Molecular Medicine, Institute of Cytology of the Russian Academy of Sciences, 194064, St. Petersburg, Russia
- Laboratory of Comparative Biochemistry of Enzymes, Sechenov Institute of Evolutionary Physiology and Biochemistry, Russian Academy of Sciences, 194223, St. Petersburg, Russia
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Cohn EG, McVilly KR, Harrison MJ. Echolalia as defined by parent communication partners. AUTISM & DEVELOPMENTAL LANGUAGE IMPAIRMENTS 2023; 8:23969415231151846. [PMID: 36726967 PMCID: PMC9884957 DOI: 10.1177/23969415231151846] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
BACKGROUNDS AND AIMS Echolalia, the repetition of previous speech, is highly prevalent in Autism. Research into echolalia has historically assumed a clinical standpoint, with two opposing paradigms, behaviourism and developmentalism, offering differing support and intervention programs. These paradigms offer a multitude of clinical operationalised definitions; despite attempts, there continue to be challenges regarding how echolalia is to be defined. Stepping out of the dichotomous clinically orientated literature, we examined how parents summarise and formalise their understanding of echolalia as a communication partner. The objectives of this study were three-fold: (1) to investigate how echolalia is described and defined by parents; (2) to examine if existing clinical definitions align with those of parents; and (3) to begin to consider the implications of such findings for a collaborative approach between clinical perspectives and the parent experience. We bring to the fore the voices of parents, who have historically remained absent from echolalia literature. That is to say, we step outside of the clinical realm and listen to parents: something which has been previously unconsidered but represents a new vital addition to the echolalia literature. METHODS We employed a Grounded Theory approach to document the definitions of 133 parents. RESULTS We found that parents reported a multiplicity of important elements that are key to their understanding of echolalia. CONCLUSIONS AND IMPLICATIONS Additionally, we found that clinical definitions do not resonate within the parent experience; parents experience echolalia in a different way to that of clinicians and parents can offer insight into our understanding of the phenomena. Our findings show that while some parents might align themselves with either a behavioural or developmental positionality, sometimes there is an overlap depending upon the context in which their child repeats and some parents advance interpretations that are not readily aligned with either of the traditional clinical schools of thought. We present implications for both clinicians and parents in ways that point towards a collaborative approach to support the person with echolalia.
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Affiliation(s)
- Eli G Cohn
- Eli G Cohn, Faculty of Arts, The University
of Melbourne, School of Social and Political Sciences, Grattan Street,
Parkville, Melbourne 3010, Australia.
| | - Keith R McVilly
- Faculty of Arts, The University of
Melbourne, School of Social and Political Sciences, Parkville,
Melbourne, Australia
| | - Matthew J Harrison
- Melbourne Graduate School of
Education, The University of
Melbourne, Parkville, Melbourne, Australia
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12
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van der Veen S, Caviness JN, Dreissen YE, Ganos C, Ibrahim A, Koelman JH, Stefani A, Tijssen MA. Myoclonus and other jerky movement disorders. Clin Neurophysiol Pract 2022; 7:285-316. [PMID: 36324989 PMCID: PMC9619152 DOI: 10.1016/j.cnp.2022.09.003] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2022] [Revised: 08/29/2022] [Accepted: 09/11/2022] [Indexed: 11/27/2022] Open
Abstract
Myoclonus and other jerky movements form a large heterogeneous group of disorders. Clinical neurophysiology studies can have an important contribution to support diagnosis but also to gain insight in the pathophysiology of different kind of jerks. This review focuses on myoclonus, tics, startle disorders, restless legs syndrome, and periodic leg movements during sleep. Myoclonus is defined as brief, shock-like movements, and subtypes can be classified based the anatomical origin. Both the clinical phenotype and the neurophysiological tests support this classification: cortical, cortical-subcortical, subcortical/non-segmental, segmental, peripheral, and functional jerks. The most important techniques used are polymyography and the combination of electromyography-electroencephalography focused on jerk-locked back-averaging, cortico-muscular coherence, and the Bereitschaftspotential. Clinically, the differential diagnosis of myoclonus includes tics, and this diagnosis is mainly based on the history with premonitory urges and the ability to suppress the tic. Electrophysiological tests are mainly applied in a research setting and include the Bereitschaftspotential, local field potentials, transcranial magnetic stimulation, and pre-pulse inhibition. Jerks due to a startling stimulus form the group of startle syndromes. This group includes disorders with an exaggerated startle reflex, such as hyperekplexia and stiff person syndrome, but also neuropsychiatric and stimulus-induced disorders. For these disorders polymyography combined with a startling stimulus can be useful to determine the pattern of muscle activation and thus the diagnosis. Assessment of symptoms in restless legs syndrome and periodic leg movements during sleep can be performed with different validated scoring criteria with the help of electromyography.
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Affiliation(s)
- Sterre van der Veen
- Department of Neurology, University of Groningen, University Medical Centre Groningen (UMCG), Groningen, The Netherlands,Expertise Centre Movement Disorders Groningen, University Medical Centre Groningen (UMCG), Groningen, The Netherlands
| | - John N. Caviness
- Department of Neurology, Mayo Clinic Arizona, Movement Neurophysiology Laboratory, Scottsdale, AZ, USA
| | - Yasmine E.M. Dreissen
- Department of Neurosurgery, Amsterdam University Medical Centers, Amsterdam, The Netherlands
| | - Christos Ganos
- Movement Disorders and Neuromodulation Unit, Department of Neurology, Charité University Medicine Berlin, Berlin, Germany
| | - Abubaker Ibrahim
- Department of Neurology, Medical University of Innsbruck, Innsbruck, Austria
| | - Johannes H.T.M. Koelman
- Department of Neurology and Clinical Neurophysiology, Amsterdam University Medical Centers, Amsterdam, The Netherlands
| | - Ambra Stefani
- Department of Neurology, Medical University of Innsbruck, Innsbruck, Austria
| | - Marina A.J. Tijssen
- Department of Neurology, University of Groningen, University Medical Centre Groningen (UMCG), Groningen, The Netherlands,Expertise Centre Movement Disorders Groningen, University Medical Centre Groningen (UMCG), Groningen, The Netherlands,Corresponding author at: Department of Neurology, University of Groningen, University Medical Centre Groningen (UMCG), PO Box 30.001, 9700 RB Groningen, The Netherlands.
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13
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Martino D, Leckman JF, Okun MS. Why Some Individuals With Tourette Syndrome Experience Assault and Perpetrate Criminal Behavior. JAMA Neurol 2022; 79:442-444. [PMID: 35311951 DOI: 10.1001/jamaneurol.2021.5541] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
Affiliation(s)
- Davide Martino
- Department of Clinical Neurosciences, Cumming School of Medicine, Health Sciences Centre, University of Calgary, Calgary, Alberta, Canada.,Hotchkiss Brain Institute, University of Calgary, Calgary, Alberta, Canada.,Alberta Children's Hospital Research Institute, University of Calgary, Calgary, Alberta, Canada
| | | | - Michael S Okun
- Department of Neurology, Norman Fixel Institute for Neurological Diseases, University of Florida Health, Gainesville.,Associate Editor, JAMA Neurology
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14
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Virameteekul S, Bhidayasiri R. We Move or Are We Moved? Unpicking the Origins of Voluntary Movements to Better Understand Semivoluntary Movements. Front Neurol 2022; 13:834217. [PMID: 35265031 PMCID: PMC8899122 DOI: 10.3389/fneur.2022.834217] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2021] [Accepted: 01/21/2022] [Indexed: 11/29/2022] Open
Abstract
The capacity for voluntary control is seen as essential to human movements; the sense that one intended to move (willing) and those actions were self-generated (self-agency) gives the sense of voluntariness and of being in control. While the mechanisms underlying voluntary movement have long been unclear, recent neuroscientific tools have identified networks of different brain areas, namely, the prefrontal cortex, supplementary motor area, and parietal cortex, that underlie voluntary action. Dysfunction in these brain areas can result in different forms of semivoluntary movement as the borderland of voluntary and involuntary movement where a person may experience a disordered sense of will or agency, and thus the movement is experienced as unexpected and involuntary, for an otherwise voluntary-appearing movement. Tics, functional movement disorders, stereotypies, perseveration, compulsions, utilization behaviors, and motor mannerism have been described elsewhere in the context of psychoses, and are often mistaken for each other. Yet, they reflect an impairment of prefrontal cortices and related circuits rather than simple motor systems, which results in the absence of subjective recognition of the movements, in contrast to other neurological movement disorders where principal abnormalities are located within the basal ganglia and its connections. Therefore, their recognition is clinically important since they are usually associated with neurodevelopmental and neurodegenerative disorders. In this review, we first defined a conceptual framework, from both a neuroanatomical and a neurophysiological point of view, for the generation of voluntary movement. We then examined the evidence linking dysfunctions in different motor pathways to each type of movement disorder. We looked at common semivoluntary movement disorders providing an overview, where possible, of their phenomenology and brain network abnormalities for each condition. We also emphasized important clinical feature similarities and differences to increase recognition of each condition in practice.
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Affiliation(s)
- Sasivimol Virameteekul
- Department of Medicine, Faculty of Medicine, Chulalongkorn Centre of Excellence for Parkinson's Disease & Related Disorders, Chulalongkorn University and King Chulalongkorn Memorial Hospital, Thai Red Cross Society, Bangkok, Thailand
| | - Roongroj Bhidayasiri
- Department of Medicine, Faculty of Medicine, Chulalongkorn Centre of Excellence for Parkinson's Disease & Related Disorders, Chulalongkorn University and King Chulalongkorn Memorial Hospital, Thai Red Cross Society, Bangkok, Thailand
- The Academy of Science, The Royal Society of Thailand, Bangkok, Thailand
- *Correspondence: Roongroj Bhidayasiri
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15
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McFayden TC, Kennison SM, Bowers JM. Echolalia from a transdiagnostic perspective. AUTISM & DEVELOPMENTAL LANGUAGE IMPAIRMENTS 2022; 7:23969415221140464. [PMID: 36451974 PMCID: PMC9703477 DOI: 10.1177/23969415221140464] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
BACKGROUND & AIMS Echolalia, the repetition of one's or others' utterances, is a behavior present in typical development, autism spectrum disorder, aphasias, Tourette's, and other clinical groups. Despite the broad range of conditions in which echolalia can occur, it is considered primarily through a disorder-specific lens, which limits a full understanding of the behavior. METHOD Empirical and review papers on echolalia across disciplines and etiologies were considered for this narrative review. Literatures were condensed into three primary sections, including echolalia presentations, neural mechanisms, and treatment approaches. MAIN CONTRIBUTION Echolalia, commonly observed in autism and other developmental conditions, is assessed, observed, and treated in a siloed fashion, which reduces our collective knowledge of this communication difference. Echolalia should be considered as a developmental, transdiagnostic, and communicative phenomenon. Echolalia is commonly considered as a communicative behavior, but little is known about its neural etiologies or efficacious treatments. CONCLUSIONS This review is the first to synthesize echolalia from a transdiagnostic perspective, which allows for the direct comparisons across and within clinical groups to inform assessment, treatment, conceptualization, and research recommendations. IMPLICATIONS Considering echolalia transdiagnostically highlights the lack of consensus on operationalization and measurement across and within disorders. Clinical and research future directions need to prioritize consistent definitions of echolalia, which can be used to derive accurate prevalence estimates. Echolalia should be considered as a communication strategy, used similarly across developmental and clinical groups, with recommended strategies of shaping to increase its effectiveness.
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Affiliation(s)
- Tyler C McFayden
- Tyler C McFayden, Carolina Institute for Developmental Disabilities, University of North Carolina-Chapel Hill, 101 Renee Lynne Court, Carrboro, NC 27510, USA.
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16
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Eddy CM. The Transdiagnostic Relevance of Self-Other Distinction to Psychiatry Spans Emotional, Cognitive and Motor Domains. Front Psychiatry 2022; 13:797952. [PMID: 35360118 PMCID: PMC8960177 DOI: 10.3389/fpsyt.2022.797952] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/19/2021] [Accepted: 02/14/2022] [Indexed: 01/18/2023] Open
Abstract
Self-other distinction refers to the ability to distinguish between our own and other people's physical and mental states (actions, perceptions, emotions etc.). Both the right temporo-parietal junction and brain areas associated with the human mirror neuron system are likely to critically influence self-other distinction, given their respective contributions to theory of mind and embodied empathy. The degree of appropriate self-other distinction will vary according to the exact social situation, and how helpful it is to feel into, or remain detached from, another person's mental state. Indeed, the emotional resonance that we can share with others affords the gift of empathy, but over-sharing may pose a downside, leading to a range of difficulties from personal distress to paranoia, and perhaps even motor tics and compulsions. The aim of this perspective paper is to consider how evidence from behavioral and neurophysiological studies supports a role for problems with self-other distinction in a range of psychiatric symptoms spanning the emotional, cognitive and motor domains. The various signs and symptoms associated with problematic self-other distinction comprise both maladaptive and adaptive (compensatory) responses to dysfunction within a common underlying neuropsychological mechanism, compelling the adoption of more holistic transdiagnostic therapeutic approaches within Psychiatry.
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Affiliation(s)
- Clare M Eddy
- Birmingham and Solihull Mental Health NHS Foundation Trust, College of Medical and Dental Sciences, University of Birmingham, Birmingham, United Kingdom
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17
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Lim TT, Tan K, Eow GB, Bhidayasiri R. A South East Asian perspective of neuropsychiatric startle syndromes of latah. Parkinsonism Relat Disord 2022; 95:138-142. [DOI: 10.1016/j.parkreldis.2022.01.013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/15/2021] [Revised: 01/12/2022] [Accepted: 01/14/2022] [Indexed: 10/19/2022]
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18
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Rawish T, Sallandt G, Münchau A. Tics bei Erwachsenen. NEUROTRANSMITTER 2022. [PMCID: PMC9735045 DOI: 10.1007/s15016-022-2974-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Tina Rawish
- Universität zu Lübeck, Institut für Systemische MotorikforschungCenter of Brain, Behavior and Metabolism (CBBM), Lübeck, Germany
| | - Gesine Sallandt
- Universität zu Lübeck, Institut für Systemische Motorikforschung, CBBM, Lübeck, Germany
| | - Alexander Münchau
- Universität zu Lübeck und UKSH, Arbeitsgruppe Bewegungsstörungen & Neuropsychiatrie, Marie-Curie-Straße, 23562 Lübeck, Germany
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19
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Martindale JM, Mink JW. The Rise of Functional Tic-Like Behaviors: What Do the COVID-19 Pandemic and Social Media Have to Do With It? A Narrative Review. Front Pediatr 2022; 10:863919. [PMID: 35899132 PMCID: PMC9309505 DOI: 10.3389/fped.2022.863919] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/27/2022] [Accepted: 06/24/2022] [Indexed: 11/21/2022] Open
Abstract
BACKGROUND There has been a rise in explosive onset of tic-like behaviors during the COVID-19 pandemic. Historically, this is an uncommon phenomenology of functional movement disorders across all ages. Both the psychological burden of the pandemic and social media usage have been implicated in the rise of these tic-like behaviors. METHODS This paper provides a narrative review of the literature on chronic tic disorders, functional tics, and mass functional illness with particular focus on the key distinguishing features, role of social media, and the role of COVID-19. RESULTS The COVID-19 pandemic has profoundly affected the mental health of many individuals, including children, adolescents, and their caregivers. Implementation of lockdowns, lifestyle disruptions, school closures, and social distancing have driven a surge in social media and digital technology use. The combination of predisposing factors, the psychological burden of the COVID-19 pandemic, and social media are implicated in the rise and spread of tic-like behaviors; which may represent a modern-day form of mass functional illness. While many of the features overlap with functional tics, there are emerging distinctive features that are important to recognize. A more encompassing term, Functional Tic-Like Behaviors, is used to better reflect multiple contributing factors. CONCLUSION Knowledge of these differences is essential to mitigate downstream health effects and poor outcomes.
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Affiliation(s)
- Jaclyn M Martindale
- Department of Neurology, Wake Forest University School of Medicine, Atrium Health Wake Forest Baptist, Winston-Salem, NC, United States
| | - Jonathan W Mink
- Department of Neurology, University of Rochester Medical Center, Rochester, NY, United States
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20
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The Imitation Game in Children With Tourette Syndrome: A Lack of Impulse Control to Mirror Environmental Stimuli. Motor Control 2021; 26:92-96. [PMID: 34768240 DOI: 10.1123/mc.2021-0064] [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: 05/26/2021] [Revised: 09/07/2021] [Accepted: 09/09/2021] [Indexed: 11/18/2022]
Abstract
The learning process in humans requires continuous contacts with environmental stimuli, especially during neurodevelopmental growth. These functions are assisted by the coding potential of mirror neurons to serve social interactions. This ability to learn imitating the observed behavior is no longer necessary during adulthood, and control mechanisms prevent automatic mirroring. However, children with Gilles de la Tourette syndrome could encounter coding errors at the level of the mirror neurons system as these cortical regions are themselves the ones affected in the syndrome. Combined with impulsivity, the resulting sign would be a manifest echopraxia that persists throughout adulthood, averting these individuals from the appraisal of a spot-on motor control.
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21
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Campbell MEJ, Nguyen VT, Cunnington R, Breakspear M. Insula cortex gates the interplay of action observation and preparation for controlled imitation. Neuropsychologia 2021; 161:108021. [PMID: 34517009 DOI: 10.1016/j.neuropsychologia.2021.108021] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2021] [Revised: 07/20/2021] [Accepted: 09/08/2021] [Indexed: 11/29/2022]
Abstract
Perceiving, anticipating and responding to the actions of another person are fundamentally entwined processes such that seeing another's movement can prompt automatic imitation, as in social mimicry and contagious yawning. Yet the direct-matching of others' movements is not always appropriate, so this tendency must be controlled. This necessitates the hierarchical integration of the systems for action mirroring with domain-general control networks. Here we use functional magnetic resonance imaging (fMRI) and computational modelling to examine the top-down and context-dependent modulation of mirror representations and their influence on motor planning. Participants performed actions that either intentionally or incidentally imitated, or counter-imitated, an observed action. Analyses of these fMRI data revealed a region in the mid-occipital gyrus (MOG) where activity differed between imitation versus counter-imitation in a manner that depended on whether this was intentional or incidental. To identify broader cortical network mechanisms underlying this interaction between intention and imitativeness, we used dynamic causal modelling to pose specific hypotheses which embody assumptions about inter-areal interactions and contextual modulations. These models each incorporated four regions - medial temporal V5 (early motion perception), MOG (action-observation), supplementary motor area (action planning), and anterior insula (executive control) - but differ in their interactions and hierarchical structure. The best model of our data afforded a crucial role for the anterior insula, gating the interaction of supplementary motor area and MOG activity. This provides a novel brain network-based account of task-dependent control over the integration of motor planning and mirror systems, with mirror responses suppressed for intentional counter-imitation.
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Affiliation(s)
| | - Vinh T Nguyen
- QIMR Berghofer Medical Research Institute, Australia
| | - Ross Cunnington
- Department of Psychology, University of Queensland, Australia
| | - Michael Breakspear
- School of Psychology, University of Newcastle, QIMR Berghofer Medical Research Institute, Brisbane, Australia
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22
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Somatosensory perception-action binding in Tourette syndrome. Sci Rep 2021; 11:13388. [PMID: 34183712 PMCID: PMC8238990 DOI: 10.1038/s41598-021-92761-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2021] [Accepted: 06/07/2021] [Indexed: 11/21/2022] Open
Abstract
It is a common phenomenon that somatosensory sensations can trigger actions to alleviate experienced tension. Such “urges” are particularly relevant in patients with Gilles de la Tourette (GTS) syndrome since they often precede tics, the cardinal feature of this common neurodevelopmental disorder. Altered sensorimotor integration processes in GTS as well as evidence for increased binding of stimulus- and response-related features (“hyper-binding”) in the visual domain suggest enhanced perception–action binding also in the somatosensory modality. In the current study, the Theory of Event Coding (TEC) was used as an overarching cognitive framework to examine somatosensory-motor binding. For this purpose, a somatosensory-motor version of a task measuring stimulus–response binding (S-R task) was tested using electro-tactile stimuli. Contrary to the main hypothesis, there were no group differences in binding effects between GTS patients and healthy controls in the somatosensory-motor paradigm. Behavioral data did not indicate differences in binding between examined groups. These data can be interpreted such that a compensatory “downregulation” of increased somatosensory stimulus saliency, e.g., due to the occurrence of somatosensory urges and hypersensitivity to external stimuli, results in reduced binding with associated motor output, which brings binding to a “normal” level. Therefore, “hyper-binding” in GTS seems to be modality-specific.
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23
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Berthier ML, Hoet F, Beltrán-Corbellini Á, Santana-Moreno D, Edelkraut L, Dávila G. Case Report: Barely Able to Speak, Can't Stop Echoing: Echolalic Dynamic Aphasia in Progressive Supranuclear Palsy. Front Aging Neurosci 2021; 13:635896. [PMID: 34017242 PMCID: PMC8129544 DOI: 10.3389/fnagi.2021.635896] [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: 11/30/2020] [Accepted: 03/08/2021] [Indexed: 11/13/2022] Open
Abstract
The diagnostic criteria for progressive supranuclear palsy (PSP) incorporate two speech-language disturbances (SLDs), non-fluent/agrammatic primary progressive aphasia and progressive apraxia of speech, but overlook the inclusion of other SLDs, including dynamic aphasia (DA). Thus, there is a need to reappraise the broad spectrum of SLDs in PSP to include other presenting phenotypes. Here we report findings from the study of two elderly patients with PSP presenting with DA and irrepressible echolalia. Both patients had markedly impoverished verbal production, but their performance in other tasks (repetition and naming) and auditory comprehension were preserved or only mildly impaired. Experimental tests of DA revealed impaired word and sentence generation in response to verbal and non-verbal stimuli. Additional language and cognitive testing revealed different types of echolalia (mitigated, automatic, and echoing approval) as well as impaired inhibitory control and social cognition (mentalizing). Both patients had negative neuropsychiatric alterations (i.e., apathy, aspontaneity, and indifference/emotional flatness). Brain magnetic resonance imaging in both patients showed atrophy of the midbrain tegmentum and superior medial frontal cortex suggestive of PSP, yet further evaluation of the neural correlates using multimodal neuroimaging and neuropathological data was not performed. However, based on the already known neural basis of DA and echolalia in PSP and stroke, we suggest that, in the present cases, neurodegeneration in the midbrain tegmentum, superior medial frontal lobe, and caudate nucleus was responsible for DA and that decreased activity in these regions may play a permissive role for eliciting verbal echoing via disinhibition of the perisylvian speech-language network.
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Affiliation(s)
- Marcelo L Berthier
- Cognitive Neurology and Aphasia Unit, Centro de Investigaciones Médico-Sanitarias, University of Malaga, Málaga, Spain.,Research Laboratory on the Neuroscience of Language, Faculty of Psychology and Speech Therapy, University of Malaga, Málaga, Spain.,Instituto de Investigación Biomédica de Málaga - IBIMA, Málaga, Spain
| | - Florencia Hoet
- Cognitive Neurology and Aphasia Unit, Centro de Investigaciones Médico-Sanitarias, University of Malaga, Málaga, Spain.,Research Laboratory on the Neuroscience of Language, Faculty of Psychology and Speech Therapy, University of Malaga, Málaga, Spain.,Servicio de Otorrinolaringología, Sección Fonoaudiología, Hospital Italiano de Buenos Aires, Buenos Aires, Argentina
| | | | | | - Lisa Edelkraut
- Cognitive Neurology and Aphasia Unit, Centro de Investigaciones Médico-Sanitarias, University of Malaga, Málaga, Spain.,Research Laboratory on the Neuroscience of Language, Faculty of Psychology and Speech Therapy, University of Malaga, Málaga, Spain.,Instituto de Investigación Biomédica de Málaga - IBIMA, Málaga, Spain.,Area of Psychobiology, Faculty of Psychology and Speech Therapy, University of Malaga, Málaga, Spain
| | - Guadalupe Dávila
- Cognitive Neurology and Aphasia Unit, Centro de Investigaciones Médico-Sanitarias, University of Malaga, Málaga, Spain.,Research Laboratory on the Neuroscience of Language, Faculty of Psychology and Speech Therapy, University of Malaga, Málaga, Spain.,Instituto de Investigación Biomédica de Málaga - IBIMA, Málaga, Spain.,Area of Psychobiology, Faculty of Psychology and Speech Therapy, University of Malaga, Málaga, Spain
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24
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Quadrelli E, Bartoli B, Bolognini N, Cavanna AE, Zibordi F, Nardocci N, Turati C, Termine C. Automatic imitation in youngsters with Gilles de la Tourette syndrome: A behavioral study. Child Neuropsychol 2021; 27:782-798. [PMID: 33641606 DOI: 10.1080/09297049.2021.1892050] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
It is widely known that humans have a tendency to imitate each other and that appropriate modulation of automatic imitative behaviors has a crucial function in social interactions. Gilles de la Tourette syndrome (GTS) is a childhood-onset neuropsychiatric disorder characterized by motor and phonic tics. Apart from tics, patients with GTS are often reported to show an abnormal tendency to automatically imitate others' behaviors (i.e., echophenomena), which may be related to a failure in top-down inhibition of imitative response tendencies. The aim of the current study is to explore the top-down inhibitory mechanisms on automatic imitative behaviors in youngsters with GTS. Error rates and reaction times from 32 participants with GTS and 32 controls were collected in response to an automatic imitation task assessing the influence of observed movements displayed in the first-person perspective on congruent and incongruent motor responses. Results showed that participants with GTS had higher error rates than controls, and their responses were faster than those of controls in incompatible stimuli. Our findings provide novel evidence of a key difference between youngsters with GTS and typically developing participants in the ability to effectively control the production of own motor responses to sensory inputs deriving from observed actions.
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Affiliation(s)
- E Quadrelli
- Department of Psychology, University of Milano-Bicocca, Milan, Italy.,NeuroMI, Milan Center for Neuroscience, Milan, Italy
| | - B Bartoli
- Child Neuropsychiatry Unit, Department of Medicine and Surgery, University of Insubria, Varese, Italy
| | - N Bolognini
- Department of Psychology, University of Milano-Bicocca, Milan, Italy.,NeuroMI, Milan Center for Neuroscience, Milan, Italy
| | - A E Cavanna
- Department of Neuropsychiatry, Birmingham and Solihull Mental Health NHS Foundation Trust and University of Birmingham, Birmingham, UK.,School of Life and Health Sciences, Aston University, Birmingham, UK.,Institute of Neurology, University College London, London, UK
| | - F Zibordi
- Department of Pediatric Neuroscience, Fondazione IRCCS Istituto Neurologico Carlo Besta, Milan, Italy
| | - N Nardocci
- Department of Pediatric Neuroscience, Fondazione IRCCS Istituto Neurologico Carlo Besta, Milan, Italy
| | - C Turati
- Department of Psychology, University of Milano-Bicocca, Milan, Italy.,NeuroMI, Milan Center for Neuroscience, Milan, Italy
| | - C Termine
- Child Neuropsychiatry Unit, Department of Medicine and Surgery, University of Insubria, Varese, Italy
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25
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Rae CL, Parkinson J, Betka S, Gouldvan Praag CD, Bouyagoub S, Polyanska L, Larsson DEO, Harrison NA, Garfinkel SN, Critchley HD. Amplified engagement of prefrontal cortex during control of voluntary action in Tourette syndrome. Brain Commun 2021; 2:fcaa199. [PMID: 33409490 PMCID: PMC7772099 DOI: 10.1093/braincomms/fcaa199] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2020] [Revised: 10/09/2020] [Accepted: 10/13/2020] [Indexed: 12/17/2022] Open
Abstract
Tourette syndrome is characterized by ‘unvoluntary’ tics, which are compulsive, yet often temporarily suppressible. The inferior frontal gyrus is implicated in motor control, including inhibition of pre-potent actions through influences on downstream subcortical and motor regions. Although tic suppression in Tourette syndrome also engages the inferior frontal gyrus, it is unclear whether such prefrontal control of action is also dysfunctional: Tic suppression studies do not permit comparison with control groups, and neuroimaging studies of motor inhibition can be confounded by the concurrent expression or suppression of tics. Here, patients with Tourette syndrome were directly compared to control participants when performing an intentional inhibition task during functional MRI. Tic expression was recorded throughout for removal from statistical models. Participants were instructed to make a button press in response to Go cues, withhold responses to NoGo cues, and decide whether to press or withhold to ‘Choose’ cues. Overall performance was similar between groups, for both intentional inhibition rates (% Choose-Go) and reactive NoGo inhibition commission errors. A subliminal face prime elicited no additional effects on intentional or reactive inhibition. Across participants, the task activated prefrontal and motor cortices and subcortical nuclei, including pre-supplementary motor area, inferior frontal gyrus, insula, caudate nucleus, thalamus and primary motor cortex. In Tourette syndrome, activity was elevated in the inferior frontal gyrus, insula and basal ganglia, most notably within the right inferior frontal gyrus during voluntary action and inhibition (Choose-Go and Choose-NoGo), and reactive inhibition (NoGo-correct). Anatomically, the locus of this inferior frontal gyrus hyperactivation during control of voluntary action matched that previously reported for tic suppression. In Tourette syndrome, activity within the caudate nucleus was also enhanced during both intentional (Choose-NoGo) and reactive (NoGo-correct) inhibition. Strikingly, despite the absence of overt motor behaviour, primary motor cortex activity increased in patients with Tourette syndrome but decreased in controls during both reactive and intentional inhibition. Additionally, severity of premonitory sensations scaled with functional connectivity of the pre-supplementary motor area to the caudate nucleus, globus pallidus and thalamus when choosing to respond (Choose-Go). Together, these results suggest that patients with Tourette syndrome use equivalent prefrontal mechanisms to suppress tics and withhold non-tic actions, but require greater inferior frontal gyrus engagement than controls to overcome motor drive from hyperactive downstream regions, notably primary motor cortex. Moreover, premonitory sensations may cue midline motor regions to generate tics through interactions with the basal ganglia.
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Affiliation(s)
- Charlotte L Rae
- School of Psychology, University of Sussex, Sussex BN1 9QH, UK
| | - Jim Parkinson
- School of Psychology, University of Sussex, Sussex BN1 9QH, UK
| | - Sophie Betka
- Department of Neuroscience, Brighton & Sussex Medical School, Sussex BN1 9RY, UK
| | | | - Samira Bouyagoub
- Department of Neuroscience, Brighton & Sussex Medical School, Sussex BN1 9RY, UK
| | - Liliana Polyanska
- Department of Neuroscience, Brighton & Sussex Medical School, Sussex BN1 9RY, UK
| | | | - Neil A Harrison
- Department of Neuroscience, Brighton & Sussex Medical School, Sussex BN1 9RY, UK
| | - Sarah N Garfinkel
- Sackler Centre for Consciousness Science, University of Sussex, Sussex, UK
| | - Hugo D Critchley
- Sackler Centre for Consciousness Science, University of Sussex, Sussex, UK
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26
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Ota S, Kanno S, Morita A, Narita W, Kawakami N, Kakinuma K, Saito Y, Kobayashi E, Baba T, Iizuka O, Nishio Y, Matsuda M, Odagiri H, Endo K, Takanami K, Mori E, Suzuki K. Echolalia in patients with primary progressive aphasia. Eur J Neurol 2020; 28:1113-1122. [PMID: 33305428 DOI: 10.1111/ene.14673] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2020] [Revised: 11/23/2020] [Accepted: 12/06/2020] [Indexed: 10/22/2022]
Abstract
OBJECTIVE This study aimed to examine echolalia and its related symptoms and brain lesions in primary progressive aphasia (PPA). METHODS Forty-five patients with PPA were included: 19 nonfluent/agrammatic variant PPA (nfvPPA), 5 semantic variant PPA, 7 logopenic variant PPA, and 14 unclassified PPA patients. We detected echolalia in unstructured conversations. An evaluation of language function and the presence of parkinsonism, grasp reflex, imitation behaviour, and disinhibition were assessed. We also measured regional cerebral blood flow (rCBF) using single-photon emission computed tomography. RESULTS Echolalia was observed in 12 nfvPPA and 2 unclassified PPA patients. All patients showed mitigated echolalia. We compared nfvPPA patients with echolalia (echolalia group) to those without echolalia (non-echolalia group). The median age of the echolalia group was significantly lower than that of the non-echolalia group, and the echolalia group showed a significantly worse auditory comprehension performance than the non-echolalia group. In contrast, the performance of repetition tasks was not different between the two groups. The prevalence of imitation behaviour in the echolalia group was significantly higher than that in the non-echolalia group. The rCBFs in the bilateral pre-supplementary motor area and bilateral middle cingulate cortex in the echolalia group were significantly lower than those in the non-echolalia group. CONCLUSIONS These findings suggest that echolalia is characteristic of nfvPPA patients with impaired comprehension. Reduced inhibition of the medial frontal cortex with release activity of the anterior perisylvian area account for the emergence of echolalia.
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Affiliation(s)
- Shoko Ota
- Department of Behavioral Neurology and Cognitive Neuroscience, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Shigenori Kanno
- Department of Behavioral Neurology and Cognitive Neuroscience, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Ayumi Morita
- Department of Rehabilitation, Tohoku University Hospital, Sendai, Japan
| | - Wataru Narita
- Department of Behavioral Neurology and Cognitive Neuroscience, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Nobuko Kawakami
- Department of Behavioral Neurology and Cognitive Neuroscience, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Kazuo Kakinuma
- Department of Behavioral Neurology and Cognitive Neuroscience, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Yumiko Saito
- Department of Behavioral Neurology and Cognitive Neuroscience, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Erena Kobayashi
- Department of Behavioral Neurology and Cognitive Neuroscience, Tohoku University Graduate School of Medicine, Sendai, Japan.,Department of Neurology and Stroke Medicine, Yokohama City University Graduate School of Medicine, Yokohama, Japan
| | - Toru Baba
- Department of Behavioral Neurology and Cognitive Neuroscience, Tohoku University Graduate School of Medicine, Sendai, Japan.,Department of Neurology, Sendai Nishitaga Hospital, Sendai, Japan
| | - Osamu Iizuka
- Department of Behavioral Neurology and Cognitive Neuroscience, Tohoku University Graduate School of Medicine, Sendai, Japan
| | - Yoshiyuki Nishio
- Department of Behavioral Neurology and Cognitive Neuroscience, Tohoku University Graduate School of Medicine, Sendai, Japan.,Department of General Psychiatry, Tokyo Metropolitan Matsuzawa Hospital, Setagaya, Japan
| | - Minoru Matsuda
- Department of Behavioral Neurology and Cognitive Neuroscience, Tohoku University Graduate School of Medicine, Sendai, Japan.,Seizankai Group, Izuminomori Clinic, Sendai, Japan
| | - Hayato Odagiri
- Department of Radiology, Tohoku University Hospital, Sendai, Japan
| | - Keiko Endo
- Department of Rehabilitation, Tohoku University Hospital, Sendai, Japan
| | - Kentaro Takanami
- Department of Diagnostic Radiology, Tohoku University Hospital, Sendai, Japan
| | - Etsuro Mori
- Department of Behavioral Neurology and Cognitive Neuropsychiatry, Osaka University United Graduate School of Child Development, Suita, Japan
| | - Kyoko Suzuki
- Department of Behavioral Neurology and Cognitive Neuroscience, Tohoku University Graduate School of Medicine, Sendai, Japan
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27
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Kleimaker A, Kleimaker M, Bäumer T, Beste C, Münchau A. Gilles de la Tourette Syndrome-A Disorder of Action-Perception Integration. Front Neurol 2020; 11:597898. [PMID: 33324336 PMCID: PMC7726237 DOI: 10.3389/fneur.2020.597898] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2020] [Accepted: 11/04/2020] [Indexed: 12/19/2022] Open
Abstract
Gilles de la Tourette syndrome is a multifaceted and complex neuropsychiatric disorder. Given that tics as motor phenomena are the defining and cardinal feature of Tourette syndrome, it has long been conceptualized as a motor/movement disorder. However, considering premonitory urges preceding tics, hypersensitivity to external stimuli and abnormalities in sensorimotor integration perceptual processes also seem to be relevant in the pathophysiology of Tourette syndrome. In addition, tic expression depends on attention and tics can, at least partly and transiently, be controlled, so that cognitive processes need to be considered as well. Against this background, explanatory concepts should encompass not only the motor phenomenon tic but also perceptual and cognitive processes. Representing a comprehensive theory of the processing of perceptions and actions paying particular attention to their interdependency and the role of cognitive control, the Theory of Event Coding seems to be a suitable conceptual framework for the understanding of Tourette syndrome. In fact, recent data suggests that addressing the relation between actions (i.e., tics) and perceptions (i.e., sensory phenomena like premonitory urges) in the context of event coding allows to gaining relevant insights into perception-action coding in Tourette syndrome indicating that perception action binding is abnormally strong in this disorder.
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Affiliation(s)
- Alexander Kleimaker
- Center of Brain, Behavior and Metabolism, Institute of Systems Motor Science, University of Lübeck, Lübeck, Germany
- Department of Neurology, University Hospital Schleswig-Holstein, Lübeck, Germany
| | - Maximilian Kleimaker
- Center of Brain, Behavior and Metabolism, Institute of Systems Motor Science, University of Lübeck, Lübeck, Germany
- Department of Neurology, University Hospital Schleswig-Holstein, Lübeck, Germany
| | - Tobias Bäumer
- Center of Brain, Behavior and Metabolism, Institute of Systems Motor Science, University of Lübeck, Lübeck, Germany
| | - Christian Beste
- Cognitive Neurophysiology, Department of Child and Adolescent Psychiatry, Faculty of Medicine, Technische Universität Dresden, Dresden, Germany
| | - Alexander Münchau
- Center of Brain, Behavior and Metabolism, Institute of Systems Motor Science, University of Lübeck, Lübeck, Germany
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28
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Isaacs D, Riordan H. Sensory hypersensitivity in Tourette syndrome: A review. Brain Dev 2020; 42:627-638. [PMID: 32600840 DOI: 10.1016/j.braindev.2020.06.003] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/12/2019] [Revised: 04/06/2020] [Accepted: 06/07/2020] [Indexed: 12/12/2022]
Abstract
Tourette syndrome (TS) is a neurodevelopmental disorder defined by tics, but most patients also experience bothersome sensory phenomena, in the form of premonitory urges and/or sensory hypersensitivity. Whereas premonitory urges are temporally paired with tics, sensory hypersensitivity is a constant, heightened awareness of external and/or internal stimuli. The intensity of sensory hypersensitivity does not strongly correlate with the severity of tics or premonitory urges, suggesting it is a dissociable clinical phenomenon. At least 80% of TS patients report subjectively enhanced perception of various sensory stimuli. These same patients demonstrate normal static detection thresholds. However, individuals with TS habituate abnormally to repetitive stimuli, indicating incapacity to appropriately filter redundant sensory input, i.e. impaired sensory gating. Physiologic support for this hypothesis is provided by abnormal pre-pulse inhibition (PPI) and event-related potential (ERP) investigations. Preclinical data implicates parvalbumin-positive (PV+) interneuron dysfunction in altered sensory gating in TS and other neurodevelopment disorders. Studies probing TS sensory hypersensitivity must methodically account for comorbid psychiatric conditions, namely obsessive compulsive disorder (OCD), attention deficit hyperactivity disorder (ADHD), and autism spectrum disorder (ASD), as these entities appear to involve pathophysiologic processes shared with TS. The presence of psychiatric comorbidities in TS is associated with even more profound sensory processing dysfunction. A deepened understanding of TS sensory hypersensitivity will afford novel insights into disease mechanisms, clinical phenotype, and therapeutic management.
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Affiliation(s)
- David Isaacs
- Department of Neurology, Division of Movement Disorders, Vanderbilt University Medical Center, A-0118 Medical Center North, Nashville, TN 37232, United States.
| | - Heather Riordan
- Department of Pediatrics, Division of Child Neurology, Vanderbilt Children's Hospital, United States
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29
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Mayer AR, Hanlon FM, Shaff NA, Stephenson DD, Ling JM, Dodd AB, Hogeveen J, Quinn DK, Ryman SG, Pirio-Richardson S. Evidence for asymmetric inhibitory activity during motor planning phases of sensorimotor synchronization. Cortex 2020; 129:314-328. [PMID: 32554227 DOI: 10.1016/j.cortex.2020.04.028] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2020] [Revised: 03/15/2020] [Accepted: 04/19/2020] [Indexed: 01/11/2023]
Abstract
Sensorimotor synchronization (SMS) is frequently dependent on coordination of excitatory and inhibitory activity across hemispheres, as well as the cognitive control over environmental distractors. However, the timing (motor planning versus execution) and cortical regions involved in these processes remain actively debated. Functional magnetic resonance imaging data were therefore analyzed from 34 strongly right-handed healthy adults performing a cued (to initiate motor planning) SMS task with either their right or left hand (motor execution phase) based on spatially congruent or incongruent visual stimuli. Behavioral effects of incongruent stimuli were limited to the first stimulus. Functionally, greater activation was observed in left sensorimotor cortex (SMC) and right cerebellar Lobule V for congruent versus incongruent stimuli. A negative blood-oxygen level dependent response, a putative marker of neural inhibition, was present in bilateral SMC, right supplemental motor area (SMA) and bilateral cerebellar Lobule V during the motor planning, but not execution phase. The magnitude of the inhibitory response was greater in right cortical regions and cerebellar Lobule V. Homologue connectivity was associated with inhibitory activity in the right SMA, suggesting that individual differences in intrinsic connectivity may mediate transcallosal inhibition. In summary, results suggest increased inhibition (i.e., greater negative BOLD response) within the right relative to left hemisphere, which was released once motor programs were executed. Both task and intrinsic functional connectivity results highlight a critical role of the left SMA in interhemispheric inhibition and motor planning.
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Affiliation(s)
- Andrew R Mayer
- The Mind Research Network/LBERI, Albuquerque, NM, USA; Departments of Psychology, University of New Mexico, Albuquerque, NM, USA; Department of Neurology, University of New Mexico, Albuquerque, NM, USA; Departments of Psychiatry, University of New Mexico, Albuquerque, NM, USA.
| | | | | | | | - Josef M Ling
- The Mind Research Network/LBERI, Albuquerque, NM, USA
| | - Andrew B Dodd
- The Mind Research Network/LBERI, Albuquerque, NM, USA
| | - Jeremy Hogeveen
- Departments of Psychology, University of New Mexico, Albuquerque, NM, USA
| | - Davin K Quinn
- Departments of Psychiatry, University of New Mexico, Albuquerque, NM, USA
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30
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Liu ZS, Cui YH, Sun D, Lu Q, Jiang YW, Jiang L, Wang JQ, Luo R, Fang F, Zhou SZ, Wang Y, Cai FC, Lin Q, Xiong L, Zheng Y, Qin J. Current Status, Diagnosis, and Treatment Recommendation for Tic Disorders in China. Front Psychiatry 2020; 11:774. [PMID: 32903695 PMCID: PMC7438753 DOI: 10.3389/fpsyt.2020.00774] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/29/2020] [Accepted: 07/21/2020] [Indexed: 12/19/2022] Open
Abstract
Tic disorders (TD) are a group neuropsychiatric disorders with childhood onset characterized by tics, i.e. repetitive, sudden, and involuntary movements or vocalizations; and Tourette syndrome (TS) is the most severe form of TD. Their clinical manifestations are diverse; and are often associated with various psychopathological and/or behavioral comorbidities, including attention deficit hyperactivity disorder (ADHD), obsessive-compulsive disorder (OCD), anxiety, depression, and sleep disorders. Individual severity and response to treatment are highly variable, and there are some refractory cases, which are less responsive to conventional TD treatment. TD/TS are also common in the Chinese pediatric population. To help improve the understanding of TD for pediatricians and other health professionals, and to improve its diagnosis and treatment in China, the Chinese Child Neurology Society (CCNS) has developed an Expert Consensus on Diagnosis and Treatment of TD in China, which is based on our clinical experience and the availability therapeutic avenues. It is focused on clinical diagnosis and evaluation of TD and its comorbidities, psychological and educational intervention, nonpharmacological therapy, pharmacological treatment, including traditional Chinese medicine and acupuncture, as well as prognosis in children with TD in China. A summary of the current status of TD and up-to-date diagnosis and treatment recommendations for TD in China is presented here.
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Affiliation(s)
- Zhi-Sheng Liu
- Department of Neurology, Wuhan Children's Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Yong-Hua Cui
- Department of Neurology and Psychiatry, Beijing Children's Hospital, Capital Medical University, Beijing, China
| | - Dan Sun
- Department of Neurology, Wuhan Children's Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Qing Lu
- Department of Neurology, Wuhan Children's Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Yu-Wu Jiang
- Department of Pediatrics, Peking University First Hospital, Beijing, China
| | - Li Jiang
- Department of Neurology, Children's Hospital of Chongqing Medical University, Chongqing, China
| | - Jia-Qin Wang
- Department of Pediatrics, Third Affiliated Hospital of Xinxiang Medical College, Xinxiang, China
| | - Rong Luo
- Department of Pediatrics, Huaxi Second Hospital of Sichuan University, Chengdu, China
| | - Fang Fang
- Department of Neurology and Psychiatry, Beijing Children's Hospital, Capital Medical University, Beijing, China
| | - Shui-Zhen Zhou
- Department of Neurology, Pediatric Hospital Affiliated to Fudan University, Shanghai, China
| | - Yi Wang
- Department of Neurology, Pediatric Hospital Affiliated to Fudan University, Shanghai, China
| | - Fang-Cheng Cai
- Department of Neurology, Children's Hospital of Chongqing Medical University, Chongqing, China
| | - Qing Lin
- Department of Pediatrics, Peking University First Hospital, Beijing, China
| | - Lan Xiong
- Montreal Neurological Institute and Hospital, McGill University, Montreal, QC, Canada
| | - Yi Zheng
- Department of Pediatrics, Beijing Anding Hospital, Capital Medical University, Beijing, China
| | - Jiong Qin
- Department of Pediatrics, Peking University People's Hospital, Beijing, China
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31
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Kurvits L, Martino D, Ganos C. Clinical Features That Evoke the Concept of Disinhibition in Tourette Syndrome. Front Psychiatry 2020; 11:21. [PMID: 32161555 PMCID: PMC7053490 DOI: 10.3389/fpsyt.2020.00021] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/05/2019] [Accepted: 01/09/2020] [Indexed: 01/14/2023] Open
Abstract
The capacity to efficiently control motor output, by either refraining from prepotent actions or disengaging from ongoing motor behaviors, is necessary for our ability to thrive in a stimulus-rich and socially complex environment. Failure to engage in successful inhibitory motor control could lead to aberrant behaviors typified by an excess of motor performance. In tic disorders and Tourette syndrome (TS) - the most common tic disorder encountered in clinics - surplus motor output is rarely the only relevant clinical sign. A range of abnormal behaviors is often encountered which are historically viewed as "disinhibition phenomena". Here, we present the different clinical features of TS from distinct categorical domains (motor, sensory, complex behavioral) that evoke the concept of disinhibition and discuss their associations. We also present evidence for their consideration as phenomena of inhibitory dysfunction and provide an overview of studies on TS pathophysiology which support this view. We then critically dissect the concept of disinhibition in TS and illuminate other salient aspects, which should be considered in a unitary pathophysiological approach. We briefly touch upon the dangers of oversimplification and emphasize the necessity of conceptual diversity in the scientific exploration of TS, from disinhibition and beyond.
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Affiliation(s)
- Lille Kurvits
- Department of Neurology, Charité University Hospital, Berlin, Germany
| | - Davide Martino
- Department of Clinical Neurosciences, University of Calgary, Calgary, AB, Canada
| | - Christos Ganos
- Department of Neurology, Charité University Hospital, Berlin, Germany
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32
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Weiblen R, Jonas M, Krach S, Krämer UM. Social Cognition in Gilles de la Tourette Syndrome. ZEITSCHRIFT FUR NEUROPSYCHOLOGIE 2019. [DOI: 10.1024/1016-264x/a000272] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
Abstract. Research on the neural mechanisms underlying Gilles de la Tourette syndrome (GTS) has mostly concentrated on abnormalities in basal ganglia circuits. Recent alternative accounts, however, focused more on social and affective aspects. Individuals with GTS show peculiarities in their social and affective domain, including echophenomena, coprolalia, and nonobscene socially inappropriate behavior. This article reviews the experimental and theoretical work done on the social symptoms of GTS. We discuss the role of different social cognitive and affective functions and associated brain networks, namely, the social-decision-making system, theory-of-mind functions, and the so-called “mirror-neuron” system. Although GTS affects social interactions in many ways, and although the syndrome includes aberrant social behavior, the underlying cognitive, affective, and neural processes remain to be investigated.
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Affiliation(s)
- Ronja Weiblen
- Department of Neurology, University of Lübeck, Germany
- Department of Psychiatry and Psychotherapy, University of Lübeck, Germany
| | - Melanie Jonas
- Department of Human Resources, Health and Social Affairs, Fachhochschule des Mittelstands (FHM), Cologne, Germany
| | - Sören Krach
- Department of Psychiatry and Psychotherapy, University of Lübeck, Germany
| | - Ulrike M. Krämer
- Department of Neurology, University of Lübeck, Germany
- Institute of Psychology II, University of Lübeck, Germany
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33
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Mainka T, Balint B, Gövert F, Kurvits L, van Riesen C, Kühn AA, Tijssen MAJ, Lees AJ, Müller-Vahl K, Bhatia KP, Ganos C. The spectrum of involuntary vocalizations in humans: A video atlas. Mov Disord 2019; 34:1774-1791. [PMID: 31651053 DOI: 10.1002/mds.27855] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2019] [Revised: 07/22/2019] [Accepted: 08/21/2019] [Indexed: 12/11/2022] Open
Abstract
In clinical practice, involuntary vocalizing behaviors are typically associated with Tourette syndrome and other tic disorders. However, they may also be encountered throughout the entire tenor of neuropsychiatry, movement disorders, and neurodevelopmental syndromes. Importantly, involuntary vocalizing behaviors may often constitute a predominant clinical sign, and, therefore, their early recognition and appropriate classification are necessary to guide diagnosis and treatment. Clinical literature and video-documented cases on the topic are surprisingly scarce. Here, we pooled data from 5 expert centers of movement disorders, with instructive video material to cover the entire range of involuntary vocalizations in humans. Medical literature was also reviewed to document the range of possible etiologies associated with the different types of vocalizing behaviors and to explore treatment options. We propose a phenomenological classification of involuntary vocalizations within different categorical domains, including (1) tics and tic-like vocalizations, (2) vocalizations as part of stereotypies, (3) vocalizations as part of dystonia or chorea, (4) continuous vocalizing behaviors such as groaning or grunting, (5) pathological laughter and crying, (6) vocalizations resembling physiological reflexes, and (7) other vocalizations, for example, those associated with exaggerated startle responses, as part of epilepsy and sleep-related phenomena. We provide comprehensive lists of their associated etiologies, including neurodevelopmental, neurodegenerative, neuroimmunological, and structural causes and clinical clues. We then expand on the pathophysiology of the different vocalizing behaviors and comment on available treatment options. Finally, we present an algorithmic approach that covers the wide range of involuntary vocalizations in humans, with the ultimate goal of improving diagnostic accuracy and guiding appropriate treatment. © 2019 The Authors. Movement Disorders published by Wiley Periodicals, Inc. on behalf of International Parkinson and Movement Disorder Society.
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Affiliation(s)
- Tina Mainka
- Department of Neurology, Charité University Medicine Berlin, Berlin, Germany
| | - Bettina Balint
- Department of Clinical and Movement Neurosciences, Queen Square Institute of Neurology, University College London, London, UK.,Department of Neurology, University Hospital Heidelberg, Heidelberg, Germany
| | - Felix Gövert
- Department of Neurology, University Hospital Schleswig-Holstein, Christian-Albrechts-University, Kiel, Germany
| | - Lille Kurvits
- Department of Neurology, Charité University Medicine Berlin, Berlin, Germany
| | - Christoph van Riesen
- Department of Neurology, Charité University Medicine Berlin, Berlin, Germany.,Department of Neurology, University Medicine Göttingen, Göttingen, Germany
| | - Andrea A Kühn
- Department of Neurology, Charité University Medicine Berlin, Berlin, Germany
| | - Marina A J Tijssen
- Department of Neurology, University Medical Centre Groningen, University of Groningen, Groningen, The Netherlands
| | - Andrew J Lees
- Reta Lila Weston Institute of Neurological Studies, UCL, Institute of Neurology, London, UK
| | - Kirsten Müller-Vahl
- Clinic of Psychiatry, Socialpsychiatry and Psychotherapy, Hannover Medical School, Hannover, Germany
| | - Kailash P Bhatia
- Department of Clinical and Movement Neurosciences, Queen Square Institute of Neurology, University College London, London, UK
| | - Christos Ganos
- Department of Neurology, Charité University Medicine Berlin, Berlin, Germany
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Brandt V, Kerner auch Koerner J, Palmer-Cooper E. The Association of Non-obscene Socially Inappropriate Behavior With Attention-Deficit/Hyperactivity Disorder Symptoms, Conduct Problems, and Risky Decision Making in a Large Sample of Adolescents. Front Psychiatry 2019; 10:660. [PMID: 31572240 PMCID: PMC6753840 DOI: 10.3389/fpsyt.2019.00660] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/05/2019] [Accepted: 08/15/2019] [Indexed: 11/28/2022] Open
Abstract
Non-obscene socially inappropriate behavior (NOSI) is recognized as part of the tic disorder spectrum but has received little attention from researchers to date. A study in 87 patients with Tourette syndrome showed that comorbid attention-deficit/hyperactivity disorder (ADHD) and conduct disorder were also associated with an increase in socially inappropriate behavior. This study used data from the Millennium Cohort Study to investigate the relationship between NOSI and emotional symptoms, conduct problems, and hyperactivity/inattention as assessed by the Strengths and Difficulties Questionnaire (SDQ) in 1,280 youths, aged 14 years. Furthermore, the relationship between NOSI and decision-making processes as assessed by the Cambridge Gambling Task (CGT) was investigated. Hyperactivity/inattention and conduct problems were significantly associated with NOSI; emotional problems were not. Risk taking was significantly associated with misbehaving in lessons but not with being rude or noisy in public. The results replicate and confirm the association of NOSI with ADHD and conduct problems in a large sample, although it should be stressed that the size of the association was small. The results also suggest that some inappropriate behaviors are related to risk-taking behavior, while others are not.
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Affiliation(s)
- Valerie Brandt
- Department of Psychology, Centre for Innovation in Mental Health, University of Southampton, Southampton, United Kingdom
| | - Julia Kerner auch Koerner
- Educational Psychology, Helmut-Schmidt-University, Hamburg, Germany
- Center for Individual Development and Adaptive Education of Children at Risk (IDeA), Frankfurt am Main, Germany
| | - Emma Palmer-Cooper
- Department of Psychology, Centre for Innovation in Mental Health, University of Southampton, Southampton, United Kingdom
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Basavaraju R, Mehta UM, Pascual-Leone A, Thirthalli J. Elevated mirror neuron system activity in bipolar mania: Evidence from a transcranial magnetic stimulation study. Bipolar Disord 2019; 21:259-269. [PMID: 30422373 PMCID: PMC7610514 DOI: 10.1111/bdi.12723] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
OBJECTIVES The role of the "mirror neuron system" (MNS) in the pathophysiology of mood disorders is not well studied. Given its posited role in the often-impaired socio-emotional processes like intention detection, empathy, and imitation, we compared putative MNS-activity in patients with bipolar mania and healthy comparison subjects. We also examined the association between putative MNS-activity and hyper-imitative behaviors in patients. METHODS We studied 39 medication-free individuals diagnosed with mania and 45 healthy comparison subjects. TMS-evoked motor cortical reactivity was measured via single- and paired-pulse stimuli (assessing SICI-short and LICI-long interval intracortical inhibition) while subjects viewed a static image and goal-directed actions. Manic symptom severity and imitative behaviors were quantified using the Young's Mania Rating Scale and a modification of the Echolalia Questionnaire. RESULTS Two-way repeated measures analysis of variance demonstrated a significant group ×time interaction effect indicating greater facilitation of cortical reactivity during action-observation (putative MNS-activity) in the patient group as compared to the healthy group. While LICI-mediated MNS-activity had a significant association with manic symptom severity (r = 0.35, P = 0.038), SICI-mediated MNS-activity was significantly associated with incidental echolalia scores in a subgroup of 17 patients with incidental echolalia (r = 0.75, P < 0.001). CONCLUSIONS Our findings demonstrate that putative MNS-activity is heightened in mania, possibly because of disinhibition, and associated with behavioral consequences (incidental echolalia).
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Affiliation(s)
- Rakshathi Basavaraju
- Department of Psychiatry, National institute of Mental Health & Neurosciences (NIMHANS), Bangalore, india
| | - Urvakhsh M. Mehta
- Department of Psychiatry, National institute of Mental Health & Neurosciences (NIMHANS), Bangalore, india
| | - Alvaro Pascual-Leone
- Division of Cognitive Neurology, Berenson-Allen Center for Noninvasive Brain Stimulation, Beth israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts
| | - Jagadisha Thirthalli
- Department of Psychiatry, National institute of Mental Health & Neurosciences (NIMHANS), Bangalore, india
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36
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Tics and stereotypies: A comparative clinical review. Parkinsonism Relat Disord 2019; 59:117-124. [DOI: 10.1016/j.parkreldis.2019.02.005] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/23/2018] [Revised: 12/28/2018] [Accepted: 02/03/2019] [Indexed: 01/07/2023]
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37
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Duffy KA, Luber B, Adcock RA, Chartrand TL. Enhancing activation in the right temporoparietal junction using theta-burst stimulation: Disambiguating between two hypotheses of top-down control of behavioral mimicry. PLoS One 2019; 14:e0211279. [PMID: 30682141 PMCID: PMC6347431 DOI: 10.1371/journal.pone.0211279] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2018] [Accepted: 01/10/2019] [Indexed: 12/31/2022] Open
Abstract
Whereas previous research has focused on the role of the rTPJ when consciously inhibiting mimicry, we test the role of the rTPJ on mimicry within a social interaction, during which mimicking occurs nonconsciously. We wanted to determine whether higher rTPJ activation always inhibits the tendency to imitate (regardless of the context) or whether it facilitates mimicry during social interactions (when mimicking is an adaptive response). Participants received either active or sham intermittent theta-burst stimulation (iTBS: a type of stimulation that increases cortical activation) to the rTPJ. Next, we measured how much participants mimicked the hair and face touching of another person. Participants in the active stimulation condition engaged in significantly less mimicry than those in the sham stimulation condition. This finding suggests that even in a context in which mimicking is adaptive, rTPJ inhibits mimicry rather than facilitating it, supporting the hypothesis that rTPJ enhances representations of self over other regardless of the goals within a given context.
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Affiliation(s)
- Korrina A. Duffy
- Department of Psychology and Neuroscience, Duke University, Durham, North Carolina, United States of America
| | - Bruce Luber
- Department of Psychiatry and Behavioral Sciences, Duke University, Durham, North Carolina, United States of America
| | - R. Alison Adcock
- Department of Psychology and Neuroscience, Duke University, Durham, North Carolina, United States of America
- Department of Psychiatry and Behavioral Sciences, Duke University, Durham, North Carolina, United States of America
- Department of Neurobiology, Duke University, Durham, North Carolina, United States of America
| | - Tanya L. Chartrand
- Department of Psychology and Neuroscience, Duke University, Durham, North Carolina, United States of America
- Fuqua School of Business, Duke University, Durham, North Carolina, United States of America
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38
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Kahl S, Kopp S. A Predictive Processing Model of Perception and Action for Self-Other Distinction. Front Psychol 2018; 9:2421. [PMID: 30559703 PMCID: PMC6287016 DOI: 10.3389/fpsyg.2018.02421] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2018] [Accepted: 11/19/2018] [Indexed: 11/13/2022] Open
Abstract
During interaction with others, we perceive and produce social actions in close temporal distance or even simultaneously. It has been argued that the motor system is involved in perception and action, playing a fundamental role in the handling of actions produced by oneself and by others. But how does it distinguish in this processing between self and other, thus contributing to self-other distinction? In this paper we propose a hierarchical model of sensorimotor coordination based on principles of perception-action coupling and predictive processing in which self-other distinction arises during action and perception. For this we draw on mechanisms assumed for the integration of cues for a sense of agency, i.e., the sense that an action is self-generated. We report results from simulations of different scenarios, showing that the model is not only able to minimize free energy during perception and action, but also showing that the model can correctly attribute sense of agency to own actions.
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Affiliation(s)
- Sebastian Kahl
- Social Cognitive Systems Group, CITEC, Bielefeld University, Bielefeld, Germany
| | - Stefan Kopp
- Social Cognitive Systems Group, CITEC, Bielefeld University, Bielefeld, Germany
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39
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Rae CL, Polyanska L, Gould van Praag CD, Parkinson J, Bouyagoub S, Nagai Y, Seth AK, Harrison NA, Garfinkel SN, Critchley HD. Face perception enhances insula and motor network reactivity in Tourette syndrome. Brain 2018; 141:3249-3261. [PMID: 30346484 PMCID: PMC6202569 DOI: 10.1093/brain/awy254] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2018] [Revised: 07/24/2018] [Accepted: 08/15/2018] [Indexed: 11/25/2022] Open
Abstract
Tourette syndrome is a neurodevelopmental disorder, characterized by motor and phonic tics. Tics are typically experienced as avolitional, compulsive, and associated with premonitory urges. They are exacerbated by stress and can be triggered by external stimuli, including social cues like the actions and facial expressions of others. Importantly, emotional social stimuli, with angry facial stimuli potentially the most potent social threat cue, also trigger behavioural reactions in healthy individuals, suggesting that such mechanisms may be particularly sensitive in people with Tourette syndrome. Twenty-one participants with Tourette syndrome and 21 healthy controls underwent functional MRI while viewing faces wearing either neutral or angry expressions to quantify group differences in neural activity associated with processing social information. Simultaneous video recordings of participants during neuroimaging enabled us to model confounding effects of tics on task-related responses to the processing of faces. In both Tourette syndrome and control participants, face stimuli evoked enhanced activation within canonical face perception regions, including the occipital face area and fusiform face area. However, the Tourette syndrome group showed additional responses within the anterior insula to both neutral and angry faces. Functional connectivity during face viewing was then examined in a series of psychophysiological interactions. In participants with Tourette syndrome, the insula showed functional connectivity with a set of cortical regions previously implicated in tic generation: the presupplementary motor area, premotor cortex, primary motor cortex, and the putamen. Furthermore, insula functional connectivity with the globus pallidus and thalamus varied in proportion to tic severity, while supplementary motor area connectivity varied in proportion to premonitory sensations, with insula connectivity to these regions increasing to a greater extent in patients with worse symptom severity. In addition, the occipital face area showed increased functional connectivity in Tourette syndrome participants with posterior cortical regions, including primary somatosensory cortex, and occipital face area connectivity with primary somatosensory and primary motor cortices varied in proportion to tic severity. There were no significant psychophysiological interactions in controls. These findings highlight a potential mechanism in Tourette syndrome through which heightened representation within insular cortex of embodied affective social information may impact the reactivity of subcortical motor pathways, supporting programmed motor actions that are causally implicated in tic generation. Medicinal and psychological therapies that focus on reducing insular hyper-reactivity to social stimuli may have potential benefit for tic reduction in people with Tourette syndrome.
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Affiliation(s)
- Charlotte L Rae
- Sackler Centre for Consciousness Science, University of Sussex, UK
- Department of Neuroscience, Brighton and Sussex Medical School, UK
| | - Liliana Polyanska
- Sackler Centre for Consciousness Science, University of Sussex, UK
- Department of Neuroscience, Brighton and Sussex Medical School, UK
- Department of Education and Psychology, Freie Universität Berlin, Germany
| | - Cassandra D Gould van Praag
- Sackler Centre for Consciousness Science, University of Sussex, UK
- Department of Neuroscience, Brighton and Sussex Medical School, UK
- Department of Psychiatry, University of Oxford, UK
| | - Jim Parkinson
- Sackler Centre for Consciousness Science, University of Sussex, UK
- School of Psychology, University of Sussex, UK
| | - Samira Bouyagoub
- Department of Neuroscience, Brighton and Sussex Medical School, UK
| | - Yoko Nagai
- Department of Neuroscience, Brighton and Sussex Medical School, UK
| | - Anil K Seth
- Sackler Centre for Consciousness Science, University of Sussex, UK
- School of Engineering and Informatics, University of Sussex, UK
| | - Neil A Harrison
- Sackler Centre for Consciousness Science, University of Sussex, UK
- Department of Neuroscience, Brighton and Sussex Medical School, UK
- Sussex Partnership NHS Foundation Trust, UK
| | - Sarah N Garfinkel
- Sackler Centre for Consciousness Science, University of Sussex, UK
- Department of Neuroscience, Brighton and Sussex Medical School, UK
- Sussex Partnership NHS Foundation Trust, UK
| | - Hugo D Critchley
- Sackler Centre for Consciousness Science, University of Sussex, UK
- Department of Neuroscience, Brighton and Sussex Medical School, UK
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40
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Kojović M, Bhatia KP. Bringing order to higher order motor disorders. J Neurol 2018; 266:797-805. [PMID: 30027322 DOI: 10.1007/s00415-018-8974-9] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2018] [Revised: 07/06/2018] [Accepted: 07/07/2018] [Indexed: 11/26/2022]
Abstract
Majority of movements in everyday situations are complex and involve volition, planning of the movement and selection of the motor programme, all occurring before movement execution. Higher order motor disorders may be defined as abnormal motor behaviours resulting from disruption of any of the cortical processes that precede execution of the motor act. They are common in patients with neurodegenerative disorders, psychiatric diseases and structural brain lesions. These abnormal behaviours may be overlooked in the clinic, unless specifically evoked by the examiner. We discuss clinical and pathophysiological aspects of higher order motor disorders including: (1) disorders of disinhibition, such as grasp reflex and grasping behaviour, utilisation and imitation behaviour, motor preservations and paratonia; (2) disorders of motor intention such as motor neglect and motor impersistence; (3) alien limb syndrome; and (4) motor overflow phenomena, such as mirror movements and synkinesias. A video illustration of each phenomenon is provided. We place the findings from recent neurophysiological studies within the framework of theories of motor control to provide better insight into pathophysiology of different disorders.
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Affiliation(s)
- Maja Kojović
- Department of Neurology, University Medical Centre Ljubljana, Zaloška 2, 1000, Ljubljana, Slovenia.
| | - Kailash P Bhatia
- Institute of Neurology, University College London, 7 Queen Square, London, WC1N 3BG, UK
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Abstract
Gilles de la Tourette syndrome is a chronic and complex tic disorder accompanied by specific behavioral problems in the majority of patients. With its multifaceted interplay between motion and emotion, this condition is a paradigmatic example of the science and art of clinical neuropsychiatry. This review article encompasses the clinical phenomenology of motor and vocal tics and associated sensory experiences (premonitory urges), as well as the behavioral spectrum of the most common comorbidities, including obsessive-compulsive disorder, attention-deficit and hyperactivity disorder, affective symptoms, and impulsivity. Knowledge of the contributions of both tics and behavioral problems to patients' health-related quality of life across the lifespan should assist treating clinicians in formulating a targeted management plan. Although the exact pathophysiology of Gilles de la Tourette syndrome remains elusive, research into therapeutic interventions has expanded the range of available interventions across multiple domains. A thorough understanding of the neurology and psychiatry of this condition is of key importance to meet the needs of this patient population, from the formulation of an accurate diagnosis to the implementation of effective treatment strategies.
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Sensory aspects of Tourette syndrome. Neurosci Biobehav Rev 2018; 88:170-176. [PMID: 29559228 DOI: 10.1016/j.neubiorev.2018.03.016] [Citation(s) in RCA: 49] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2018] [Revised: 03/14/2018] [Accepted: 03/15/2018] [Indexed: 12/25/2022]
Abstract
Motor and vocal tics have long been recognised as the core features of Tourette syndrome (TS). However, patients' first-person accounts have consistently reported that these involuntary motor manifestations have specific sensory correlates. These sensory symptoms are often described as feelings of mounting inner tension ("premonitory urges") and are transiently relieved by tic expression. Multimodal hypersensitivity to external stimuli, perceived as triggers and/or exacerbating factors for specific tic symptoms, is also commonly reported by patients with TS. This article focuses on the rapidly expanding literature on the clinical and neurobiological aspects of the premonitory urge and multimodal hypersensitivity in patients with TS, with particular attention to pathophysiological mechanisms and possible treatment implications. These findings suggest that TS is a neurobehavioural condition characterised by intrinsic perceptual abnormalities involving the insula and sensorimotor areas, in addition to basal ganglia dysfunction. Further research will clarify the role of sensory symptoms in TS, as well as the effects of external sensory input on underlying motor abnormalities.
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Ganos C, Rothwell J, Haggard P. Voluntary inhibitory motor control over involuntary tic movements. Mov Disord 2018; 33:937-946. [DOI: 10.1002/mds.27346] [Citation(s) in RCA: 44] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2017] [Revised: 01/18/2018] [Accepted: 01/21/2018] [Indexed: 12/12/2022] Open
Affiliation(s)
- Christos Ganos
- Department of Neurology, Charité; University Medicine; Berlin Germany
- Institute of Cognitive Neuroscience; University College London; London UK
- Sobell Department of Motor Neuroscience and Movement Disorders, University College London Institute of Neurology; University College London; London UK
| | - John Rothwell
- Sobell Department of Motor Neuroscience and Movement Disorders, University College London Institute of Neurology; University College London; London UK
| | - Patrick Haggard
- Institute of Cognitive Neuroscience; University College London; London UK
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44
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Beste C, Münchau A. Tics and Tourette syndrome - surplus of actions rather than disorder? Mov Disord 2017; 33:238-242. [DOI: 10.1002/mds.27244] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2017] [Revised: 10/10/2017] [Accepted: 10/20/2017] [Indexed: 12/25/2022] Open
Affiliation(s)
- Christian Beste
- Cognitive Neurophysiology, Department of Child and Adolescent Psychiatry, Faculty of Medicine of the TU Dresden; Dresden Germany
- Experimental Neurobiology, National Institute of Mental Health; Klecany Czech Republic
| | - Alexander Münchau
- Department of Pediatric and Adult Movement Disorders and Neuropsychiatry, Institute of Neurogenetics, Center for Brain, Behavior and Metabolism; University of Lubeck; Lubeck Germany
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45
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Tunc S, Münchau A. Boys in a famous choir: Singing and ticcing. Ann Neurol 2017; 82:1029-1031. [DOI: 10.1002/ana.25112] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2017] [Revised: 11/30/2017] [Accepted: 11/30/2017] [Indexed: 11/12/2022]
Affiliation(s)
- Sinem Tunc
- Institute of Neurogenetics, University of Lübeck
- Department of NeurologyUniversity of LübeckLübeck Germany
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46
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Panasiti MS, Porciello G, Aglioti SM. The bright and the dark sides of motor simulation. Neuropsychologia 2017; 105:92-100. [DOI: 10.1016/j.neuropsychologia.2017.05.020] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2017] [Revised: 04/14/2017] [Accepted: 05/18/2017] [Indexed: 01/01/2023]
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47
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A Neural Basis for Contagious Yawning. Curr Biol 2017; 27:2713-2717.e2. [DOI: 10.1016/j.cub.2017.07.062] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2017] [Revised: 07/03/2017] [Accepted: 07/27/2017] [Indexed: 11/22/2022]
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48
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When a model becomes the real thing: A neuro-cognitive account of ‘demonic’ possession. Med Hypotheses 2017; 106:35-40. [DOI: 10.1016/j.mehy.2017.07.004] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2017] [Revised: 05/24/2017] [Accepted: 07/05/2017] [Indexed: 12/27/2022]
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49
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Brandt VC, Moczydlowski A, Jonas M, Boelmans K, Bäumer T, Brass M, Münchau A. Imitation inhibition in children with Tourette syndrome. J Neuropsychol 2017; 13:82-95. [DOI: 10.1111/jnp.12132] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2017] [Revised: 06/01/2017] [Indexed: 11/26/2022]
Affiliation(s)
- Valerie Cathérine Brandt
- Department of Paediatric and Adult Movement Disorders and Neuropsychiatry; Institute of Neurogenetics; University of Lübeck; Germany
- Department of Psychology; University of Southampton; UK
| | - Agnes Moczydlowski
- Department of Neurology; University Medical Center Hamburg-Eppendorf; Germany
| | - Melanie Jonas
- Department of Human Resources; Health and Social Affairs; University of Applied Sciences; Cologne Germany
| | - Kai Boelmans
- Department of Neurology; Julius-Maximilians-University; Würzburg Germany
| | - Tobias Bäumer
- Department of Paediatric and Adult Movement Disorders and Neuropsychiatry; Institute of Neurogenetics; University of Lübeck; Germany
| | - Marcel Brass
- Department of Experimental Psychology; Ghent University; Belgium
| | - Alexander Münchau
- Department of Paediatric and Adult Movement Disorders and Neuropsychiatry; Institute of Neurogenetics; University of Lübeck; Germany
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50
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Shield A, Cooley F, Meier RP. Sign Language Echolalia in Deaf Children With Autism Spectrum Disorder. JOURNAL OF SPEECH, LANGUAGE, AND HEARING RESEARCH : JSLHR 2017; 60:1622-1634. [PMID: 28586822 PMCID: PMC5544414 DOI: 10.1044/2016_jslhr-l-16-0292] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/17/2016] [Revised: 12/02/2016] [Accepted: 12/19/2016] [Indexed: 06/07/2023]
Abstract
Purpose We present the first study of echolalia in deaf, signing children with autism spectrum disorder (ASD). We investigate the nature and prevalence of sign echolalia in native-signing children with ASD, the relationship between sign echolalia and receptive language, and potential modality differences between sign and speech. Method Seventeen deaf children with ASD and 18 typically developing (TD) deaf children were video-recorded in a series of tasks. Data were coded for type of signs produced (spontaneous, elicited, echo, or nonecho repetition). Echoes were coded as pure or partial, and timing and reduplication of echoes were coded. Results Seven of the 17 deaf children with ASD produced signed echoes, but none of the TD deaf children did. The echoic children had significantly lower receptive language scores than did both the nonechoic children with ASD and the TD children. Modality differences also were found in terms of the directionality, timing, and reduplication of echoes. Conclusions Deaf children with ASD sometimes echo signs, just as hearing children with ASD sometimes echo words, and TD deaf children and those with ASD do so at similar stages of linguistic development, when comprehension is relatively low. The sign language modality might provide a powerful new framework for analyzing the purpose and function of echolalia in deaf children with ASD.
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Affiliation(s)
- Aaron Shield
- Department of Speech Pathology and Audiology, Miami University, Oxford, OH
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