Hyperkinesias are heterogeneous involuntary movements that significantly differ in terms of clinical and semeiological manifestations, including rhythm, regularity, speed, duration, and other factors that determine their appearance or suppression. Hyperkinesias are due to complex, variable, and largely undefined pathophysiological mechanisms that may involve different brain areas. In this chapter, we specifically focus on dystonia, chorea and hemiballismus, and other dyskinesias, specifically, levodopa-induced, tardive, and cranial dyskinesia. We address the role of neurophysiological studies aimed at explaining the pathophysiology of these conditions. We mainly refer to human studies using surface and invasive indepth recordings, as well as spinal, brainstem, and transcortical reflexology and non-invasive brain stimulation techniques. We discuss the extent to which the neurophysiological abnormalities observed in hyperkinesias may be explained by pathophysiological models. We highlight the most relevant issues that deserve future research efforts. The potential role of neurophysiological assessment in the clinical context of hyperkinesia is also discussed. CO 2022 International Federation of Clinical Neurophysiology. Published by Elsevier B.V. All rights reserved.
Dystonia, chorea, hemiballismus and other dyskinesias / Bologna, M.; Valls-Sole, J.; Kamble, N.; Pal, P. K.; Conte, A.; Guerra, A.; Belvisi, D.; Berardelli, A.. - In: CLINICAL NEUROPHYSIOLOGY. - ISSN 1872-8952. - 140:(2022), pp. 110-125. [10.1016/j.clinph.2022.05.014]
Dystonia, chorea, hemiballismus and other dyskinesias
Bologna M.;Conte A.;Guerra A.;Belvisi D.;Berardelli A.
2022
Abstract
Hyperkinesias are heterogeneous involuntary movements that significantly differ in terms of clinical and semeiological manifestations, including rhythm, regularity, speed, duration, and other factors that determine their appearance or suppression. Hyperkinesias are due to complex, variable, and largely undefined pathophysiological mechanisms that may involve different brain areas. In this chapter, we specifically focus on dystonia, chorea and hemiballismus, and other dyskinesias, specifically, levodopa-induced, tardive, and cranial dyskinesia. We address the role of neurophysiological studies aimed at explaining the pathophysiology of these conditions. We mainly refer to human studies using surface and invasive indepth recordings, as well as spinal, brainstem, and transcortical reflexology and non-invasive brain stimulation techniques. We discuss the extent to which the neurophysiological abnormalities observed in hyperkinesias may be explained by pathophysiological models. We highlight the most relevant issues that deserve future research efforts. The potential role of neurophysiological assessment in the clinical context of hyperkinesia is also discussed. CO 2022 International Federation of Clinical Neurophysiology. Published by Elsevier B.V. All rights reserved.File | Dimensione | Formato | |
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49.Bologna et al., 2022. CLINPH.pdf
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