Potential Interactions Between Cerebellar Dysfunction and Sleep Disturbances in Dystonia DOI Creative Commons
Luis E. Salazar Leon, Roy V. Sillitoe

Dystonia, Год журнала: 2022, Номер 1

Опубликована: Окт. 4, 2022

Dystonia is the third most common movement disorder. It causes debilitating twisting postures that are accompanied by repetitive and sometimes intermittent co- or over-contractions of agonist antagonist muscles. Historically diagnosed as a basal ganglia disorder, dystonia increasingly considered network disorder involving various brain regions including cerebellum. In certain etiologies dystonia, aberrant motor activity generated in cerebellum abnormal signals then propagate through “dystonia circuit” includes thalamus, ganglia, cerebral cortex. Importantly, it has been reported non-motor defects can accompany symptoms; while their severity not always correlated, hypothesized pathways may nevertheless be disrupted. particular, circadian dysfunction disordered sleep patient complaints dystonia. Given recent evidence suggesting contains oscillator, displays sleep-stage-specific neuronal activity, sends robust long-range projections to several subcortical involved rhythm regulation, result from cerebellum-mediated circuit. Here, we review linking cerebellar dysfunction, involvement sleep. Together, these ideas form basis for development improved pharmacological surgical interventions could take advantage circuitry restore normal function well (sleep) behaviors

Язык: Английский

Disruption of neural periodicity predicts clinical response after deep brain stimulation for obsessive-compulsive disorder DOI Creative Commons
Nicole R. Provenza,

Sandesh Reddy,

Anthony K. Allam

и другие.

Nature Medicine, Год журнала: 2024, Номер 30(10), С. 3004 - 3014

Опубликована: Июль 12, 2024

Recent advances in surgical neuromodulation have enabled chronic and continuous intracranial monitoring during everyday life. We used this opportunity to identify neural predictors of clinical state 12 individuals with treatment-resistant obsessive-compulsive disorder (OCD) receiving deep brain stimulation (DBS) therapy ( NCT05915741 ). developed our neurobehavioral models based on recordings the region ventral striatum an initial cohort five patients tested validated them a held-out seven additional patients. Before DBS activation, most symptomatic state, theta/alpha (9 Hz) power evidenced prominent circadian pattern high degree predictability. In persistent symptoms (non-responders), predictability data remained consistently high. On other hand, who improved symptomatically (responders), was significantly diminished. This feature accurately classified status even limited duration recordings, indicating generalizability that could facilitate therapeutic decision-making.

Язык: Английский

Процитировано

4

Local Field Potential Biomarkers of Non‐Motor Symptoms in Parkinson's Disease: Insights From the Subthalamic Nucleus in Deep Brain Stimulation DOI Creative Commons

Marc‐Antoine Gobeil,

Albert Guillemette,

Meziane Silhadi

и другие.

European Journal of Neuroscience, Год журнала: 2025, Номер 61(5)

Опубликована: Март 1, 2025

Non-motor symptoms can severely affect the quality of life Parkinson's disease-afflicted patients, with most common ones being pain, sleep impairments, and neuropsychiatric manifestations. In advanced cases, complex fluctuations motor non-motor occur despite optimal medication. Research on deep brain stimulation subthalamic nucleus suggests that it may provide benefits for treating in addition to improving symptoms. With recent advancements technology, simultaneous recording local field potentials delivery therapeutic is possible. This opens new possibilities better understanding pathophysiology disease identifying potential electrophysiological biomarkers accurately represent these Specifically, this review aims highlight nucleus. The main findings indicate activities beta frequency band are associated nociception impairments such as insomnia rapid eye movement behavior disorders. Additionally, theta alpha bands seem reflect neurocognitive manifestations, including depression impulse control A could improve clinical management disease. They hold promise adjusting parameters open-loop settings might eventually be applied closed-loop systems, though their true impact remains uncertain.

Язык: Английский

Процитировано

0

Finely Tuned γ Tracks Medication Cycles in Parkinson's Disease: An Ambulatory Brain‐Sense Study DOI Creative Commons
Aaron Colombo,

Elena Bernasconi,

Laura Alva

и другие.

Movement Disorders, Год журнала: 2025, Номер unknown

Опубликована: Март 13, 2025

Abstract Background Novel commercial brain‐sense neurostimulators enable us to contextualize brain activity with symptom and medication states in real‐life ambulatory settings Parkinson's disease (PD). Although various candidate biomarkers have been proposed for adaptive deep stimulation (DBS), a comprehensive comparison of their profiles is lacking. Objectives To systematically compare the neurophysiological dynamics clinical properties three biomarkers—low‐frequency, beta (β), finely tuned γ (FTG) activity. Methods We investigated 14 PD patients implanted Medtronic Percept PC, who underwent up two 4‐week multimodal recording periods on regular stimulation. Subthalamic nucleus local field potentials (LFPs) low‐frequency, β, FTG were recorded. Additionally, objective motor states, physical heart rate using wearables, as well medication‐intake times, sleep‐awake subjective diaries co‐registered. LFP also compared high‐resolution in‐hospital recordings under off / dopaminergic conditions. Results reliably indexed setting at group individual levels, these spectral could be anticipated by recordings. Both low‐frequency correlated wearable‐based dyskinesia scores, whereas diary‐based events only linked FTG. Importantly, indicated ‐medication regardless presence despite potential motion artifacts. The 24‐hour profile revealed large circadian power shifts that may overdrive dynamics. Conclusion Despite limitations low‐temporal resolution recordings, this work provides valuable insights into biomarkers. Specifically, it highlights utility primary reliable indicator DBS. © 2025 Author(s). Movement Disorders published Wiley Periodicals LLC behalf International Parkinson Disorder Society.

Язык: Английский

Процитировано

0

Multi-day recordings and adaptive stimulation protocols for in-home collection of deep brain stimulation intracranial recordings DOI
Jonathan Platt,

Erin Radcliffe,

Steven L Klimczak

и другие.

Journal of Neuroscience Methods, Год журнала: 2025, Номер unknown, С. 110442 - 110442

Опубликована: Апрель 1, 2025

Язык: Английский

Процитировано

0

Potential Interactions Between Cerebellar Dysfunction and Sleep Disturbances in Dystonia DOI Creative Commons
Luis E. Salazar Leon, Roy V. Sillitoe

Dystonia, Год журнала: 2022, Номер 1

Опубликована: Окт. 4, 2022

Dystonia is the third most common movement disorder. It causes debilitating twisting postures that are accompanied by repetitive and sometimes intermittent co- or over-contractions of agonist antagonist muscles. Historically diagnosed as a basal ganglia disorder, dystonia increasingly considered network disorder involving various brain regions including cerebellum. In certain etiologies dystonia, aberrant motor activity generated in cerebellum abnormal signals then propagate through “dystonia circuit” includes thalamus, ganglia, cerebral cortex. Importantly, it has been reported non-motor defects can accompany symptoms; while their severity not always correlated, hypothesized pathways may nevertheless be disrupted. particular, circadian dysfunction disordered sleep patient complaints dystonia. Given recent evidence suggesting contains oscillator, displays sleep-stage-specific neuronal activity, sends robust long-range projections to several subcortical involved rhythm regulation, result from cerebellum-mediated circuit. Here, we review linking cerebellar dysfunction, involvement sleep. Together, these ideas form basis for development improved pharmacological surgical interventions could take advantage circuitry restore normal function well (sleep) behaviors

Язык: Английский

Процитировано

13