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Background: Functional neurological disorder (FND) is a common cause of neurological disability. Despite recent advances in pathophysiological understanding and treatments, application of this knowledge to clinical practice is variable and limited. Objective: Our aim was to provide an expert overview of the state of affairs of FND practice across Europe, focusing on education and training, access to specialized care, reimbursement and disability policies, and academic and patient‐led representation of people with FND. Methods: We conducted a survey across Europe, featuring one expert per country. We asked experts to compare training and services for people with FND to those provided to people with multiple sclerosis (MS). Results: Responses from 25 countries revealed that only five included FND as a mandatory part of neurological training, while teaching about MS was uniformly included. FND was part of final neurology examinations in 3/17 countries, unlike MS that was included in all 17. Seventeen countries reported neurologists with an interest in FND but the estimated mean ratio of FND‐interested neurologists to MS neurologists was 1:20. FND coding varied, with psychiatric coding for FND impacting treatment access and disability benefits in the majority of countries. Twenty countries reported services refusing to see FND patients. Eight countries reported an FND special interest group or network; 11 reported patient‐led organizations. Conclusions: FND is largely a marginal topic within European neurology training and there is limited access to specialized care and disability benefits for people with FND across Europe. We discuss how this issue can be addressed at an academic, healthcare and patient organization level. [ABSTRACT FROM AUTHOR]

Aim of study. We aimed to compare knowledge, opinions, and clinical experiences among Czech, Slovak, and Italian neurologists to identify potential educational gaps and unify understanding. Clinical rationale for study. Functional neurological disorder (FND) is a disabling condition characterised by motor, sensory, or cognitive symptoms which are incompatible with other neurological disorders. Novel diagnostic and treatment approaches have improved FND management. However, the extent of their adoption, and any differences or similarities across European communities, remain to be established. Material and methods. Members of the Czech and Slovak Neurological Societies were invited via e-mail to participate in a 14--item web-based survey investigating their approach to FND. This data was compared to results from a previous study involving 492 Italian neurologists. Results. 232 questionnaires were completed by Czech and Slovak neurologists (CZ-SK). Similarities were found between CZ-SK and Italian neurologists in their preference for the term 'FND' over other psychological-related terms and in explaining symptoms as due to abnormal functioning of the nervous system rather than attributing them to mental illness. However, only fewer than 5% in both groups thought that simulation was highly unlikely. Both groups reported relying on positive signs (e.g. inconsistency, distractibility) according to the current diagnostic criteria, but also a tendency to perform additional tests to exclude other causes. However, some differences were observed: Italian neurologists placed a greater emphasis on psychological factors including litigation. CZ-SK neurologists were more likely to suggest physiotherapy as a treatment option and to provide educational intervention for patients and their relatives. Conclusions. Overall, our findings suggest that although Czech, Slovak, and Italian neurologists have adopted some new developments in the field of FND, significant gaps still exist in their understanding and common practices regarding conceptualisation, diagnosis, and treatment. Clinical implications. Our results suggest that promoting knowledge through postgraduate curricula and teaching courses for neurologists is necessary to optimise patient management in various European countries. [ABSTRACT FROM AUTHOR]

Summary: Sleep symptoms, including excessive sleepiness, are frequently reported by patients with functional motor disorders (FMD). We aimed to classify the comorbid sleep disorders in FMD, and to investigate the relationship between subjective sleepiness and objective measures of hypersomnia, comparing them with data from people with central hypersomnia. A total of 37 patients (mean [SD] age 46.4 [11.2] years) with clinically definite FMD, and 17 patients (mean [SD] age 41.1 [11.6] years) with central hypersomnia underwent structured medical and sleep history, neurological examination, polysomnography, multiple sleep latency test (MSLT), and questionnaires assessing sleepiness, fatigue, and depression. In all, 23 patients with FMD (62%) reported excessive daytime sleepiness. Evidence of specific sleep disorders was identified in our cohort, with 35% having restless legs syndrome; 49% obstructive sleep apnea; and 8% periodic limb movements in sleep; however, the presence of these disorders was not correlated with subjective sleepiness. Patients with FMD with self‐reported sleepiness reported higher fatigue (p = 0.002), depression (p = 0.002), and had longer sleep latencies in the MSLT (p < 0.001) compared to the patients with central hypersomnia. No correlation was found between subjective and objective sleepiness in either group. Fatigue positively correlated with self‐reported sleepiness in patients with FMD (p < 0.001). This study did not find objective correlates of increased sleepiness in patients with FMD. While sleep abnormalities were found to be common in FMD, they were not correlated with self‐reports of excessive sleepiness. Positive correlations between self‐reported sleepiness and fatigue support the current unified model of non‐motor symptoms in FMD. [ABSTRACT FROM AUTHOR]

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Background: Patients with functional neurological disorders (FND) often present with multiple motor, sensory, psychological and cognitive symptoms. In order to explore the relationship between these common symptoms, we performed a detailed clinical assessment of motor, non-motor symptoms, health-related quality of life (HRQoL) and disability in a large cohort of patients with motor FND. To understand the clinical heterogeneity, cluster analysis was used to search for subgroups within the cohort. Methods: One hundred fifty-two patients with a clinically established diagnosis of motor FND were assessed for motor symptom severity using the Simplified Functional Movement Disorder Rating Scale (S-FMDRS), the number of different motor phenotypes (i.e. tremor, dystonia, gait disorder, myoclonus, and weakness), gait severity and postural instability. All patients then evaluated each motor symptom type severity on a Likert scale and completed questionnaires for depression, anxiety, pain, fatigue, cognitive complaints and HRQoL. Results: Significant correlations were found among the self-reported and all objective motor symptoms severity measures. All self-reported measures including HRQoL correlated strongly with each other. S-FMDRS weakly correlated with HRQoL. Hierarchical cluster analysis supplemented with gap statistics revealed a homogenous patient sample which could not be separated into subgroups. Conclusions: We interpret the lack of evidence of clusters along with a high degree of correlation between all self-reported and objective measures of motor or non-motor symptoms and HRQoL within current neurobiological models as evidence to support a unified pathophysiology of 'functional' symptoms. Our results support the unification of functional and somatic syndromes in classification schemes and for future mechanistic and therapeutic research. [ABSTRACT FROM AUTHOR]

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A startling auditory stimulus (SAS) induces a reflex response involving, among other reactions, a strong contraction of the orbicularis oculi muscle (OOc) and subsequent eye closure. A SAS also induces the StartReact effect, a significant shortening of reaction time in subjects ready for task execution. We examined the obvious conflict appearing when a StartReact paradigm requires participants with eyes closed to open their eyes to look for a visual target. We recorded OOc EMG activity and eyelid movements in healthy volunteers who were instructed to open their eyes at perception of a somatosensory imperative stimulus (IS) and locate the position of a Libet's clock's hand shown on a computer screen at 80 cm distance. In 6 out of 20 trials, we delivered a SAS simultaneously with the IS. The main outcome measures were reaction time at onset of eyelid movement and the time gap (TG) separating subjective assessment of the clock's hand position from real IS issuing. Control experiments included reaction time to eye closing and target location with eyes open to the same IS. Reaction time was significantly faster in SAS than in noSAS trials and slower for eye opening than for eye closing in both conditions. In the eye‐opening task, TG was significantly shorter in SAS with respect to noSAS trials, despite the presence of the SAS‐related burst in the OOc before EMG cessation. Our results indicate that the StartReact effect speeds up eye opening and location of a target in the visual field despite the startle reaction opposing the task. We expanded our knowledge on the reflex and voluntary control of eyelid movements by showing that the task of eye opening to focus the gaze on a visual target was speeded‐up in the context of a StartReact paradigm, despite the unavoidable stimulus‐generated eye‐closing reflex reaction. In contrast, the presence of the startle reflex tended to delay the assessment of target location in control eyes‐opened conditions, as it made subjects close their eyes. [ABSTRACT FROM AUTHOR]