- Understanding functional neurological disorder
- Psychiatric comorbidities in FND
- Assessment and diagnosis in psychiatric practice
- Therapeutic interventions and management strategies
- Collaborative care and multidisciplinary approaches
Functional neurological disorder (FND) refers to a condition where patients experience neurological symptoms—such as weakness, movement disorders, sensory symptoms, or seizures—that are not explained by identifiable neurological disease. Unlike malingering or factitious disorder, these symptoms are not consciously produced; rather, they are considered genuine and often disabling. Increasing recognition of FND within both neurology and psychiatry has highlighted its complex biopsychosocial underpinnings, making it a critical area where integrated care is essential.
FND is considered a neuropsychiatric condition, lying at the intersection of neurology and mental health. It reflects dysfunctions in brain networks involved in voluntary motor control, attention, emotion regulation, and perception of bodily states. Evidence suggests that psychological factors such as trauma, stress, and maladaptive beliefs about illness can contribute to its onset and persistence in some cases, although not all individuals have a clear psychogenic trigger. Environmental, cognitive, and behavioural aspects further complicate the clinical picture, contributing to individual variability in symptomatology.
From a psychiatrist’s perspective, understanding FND involves appreciating the role of comorbidity with psychiatric disorders including depression, anxiety, post-traumatic stress disorder, and dissociative disorders. These are not always present, but when they co-occur, they can contribute to the severity and chronicity of the disorder. The presence or absence of psychiatric comorbidity does not invalidate the diagnosis, but instead informs a more nuanced and effective approach to management.
Advances in functional neuroimaging have begun to reveal alterations in brain activity and connectivity in patients with FND, particularly in areas related to emotion, attention, and motor planning. These findings support the legitimacy of the symptoms and provide a neurobiological framework for understanding the condition. Still, diagnosis remains clinical, based on positive signs such as inconsistency or incongruence with known neurological patterns.
A key component of appreciating FND is effective communication with patients. Many individuals with FND report prior negative experiences with healthcare professionals, often feeling dismissed or mislabelled. Psychiatrists play a critical role in validating the patient’s experience, explaining the diagnosis in understandable terms, and fostering hope for recovery through appropriate treatment. Establishing trust is essential, as the therapeutic relationship often serves as the foundation for engagement with multidisciplinary care.
Psychiatric comorbidities in FND
Psychiatric comorbidities are commonly observed in individuals with functional neurological disorder (FND), further complicating diagnosis and management. Anxiety disorders, including generalised anxiety disorder and panic disorder, are frequently associated, as are mood disorders such as depression. Dissociative symptoms, personality disorders, and post-traumatic stress disorder (PTSD) are also prevalent among this population. While the presence of psychiatric comorbidity does not define the condition, it often influences both the severity and trajectory of symptoms.
For the psychiatrist, recognising and assessing comorbid mental health conditions is essential in constructing a comprehensive treatment plan. Patients with FND may exhibit heightened somatic vigilance, catastrophising tendencies, and difficulties regulating emotional responses. These psychological features can exacerbate functional symptoms and hinder recovery if left unaddressed. Importantly, comorbid psychiatric conditions are not uniformly present in all individuals with FND; a significant subset present without any diagnosable mental disorder, which underlines the heterogeneity of the condition.
Understanding the interrelation between psychiatric symptoms and functional neurological manifestations requires careful clinical judgement. Trauma histories, particularly involving early life adversity or neglect, are frequently reported in some individuals with FND and may inform the development of dissociative mechanisms or altered stress responses. However, the absence of trauma does not negate the validity of the disorder or its psychiatric elements. A trauma-informed approach can be beneficial in establishing the therapeutic rapport necessary for effective intervention.
It is also crucial to consider the impact of comorbidities on the patient’s self-perception and engagement with care. Mental health stigma, internalised by the individual or reinforced through previous healthcare encounters, can lead to resistance to psychiatric evaluation or intervention. The psychiatrist must approach such scenarios with sensitivity, using psychoeducation to clarify how mental health and neurological function are interconnected, and how addressing comorbidities can facilitate improvement in day-to-day functioning.
Incorporating psychiatric input into the care of individuals with FND not only helps to manage co-occurring disorders but also supports a more holistic understanding of the disorder. Early identification and treatment of psychiatric comorbidities can lead to better functional outcomes, reduce symptom persistence, and improve overall quality of life. This highlights the indispensable role of psychiatry in guiding a biopsychosocial approach to FND management.
Assessment and diagnosis in psychiatric practice
Assessment and diagnosis of functional neurological disorder (FND) in psychiatric practice hinge on a collaborative and nuanced approach, grounded in both diagnostic accuracy and sensitivity to the patient’s lived experience. Given the overlap of neurological and psychiatric symptomatology, a psychiatrist must rely on a detailed clinical history, psychological formulation, and informed observation of symptom patterns. Positive diagnostic features, such as inconsistency over time or incongruence with recognised neurological disease, are critical to identification and must be interpreted within a biopsychosocial framework rather than viewed as exclusionary.
A comprehensive psychiatric assessment for patients with suspected FND involves evaluating current mental health status, screening for comorbidities including mood and anxiety disorders, dissociative symptoms, somatisation tendencies, and potential traumatic experiences. These elements, while not causative, often provide context that shapes the individual’s symptom development and response to stress. Recognising the potential for psychiatric comorbidity enables the psychiatrist to formulate a more tailored intervention strategy, addressing both motor or sensory symptoms and underlying psychological disturbances.
Autonomous from neurology, psychiatric evaluation explores internal processes such as beliefs about health, emotional regulation, and interpersonal dynamics. These facets may contribute to symptom maintenance and perceived disability. A structured clinical interview, supported by validated tools such as the Structured Clinical Interview for DSM-5 (SCID-5) and symptom rating scales, is often employed to delineate coexisting mental health disorders and aid differential diagnosis. Attention to dissociative phenomena is particularly salient, as these may present subtly yet are frequently implicated in FND presentations.
Functional neurological symptoms may fluctuate under emotional stress or distraction, and the psychiatrist’s contextual awareness during the mental state examination can yield valuable diagnostic cues. For instance, the emergence of symptoms during discussion of adverse experiences may suggest a psychogenic component, reinforcing the importance of a trauma-informed and patient-centred approach. However, care must be taken to avoid premature psychologisation, especially when comorbidity is absent; the legitimacy of symptoms must be affirmed regardless of psychological findings.
Clear, empathetic communication of the FND diagnosis is a vital aspect of psychiatric practice. Patients often interpret referrals to mental health services as stigmatising or dismissive. Therefore, the psychiatrist must frame their involvement as part of a comprehensive care strategy, emphasising the role of psychiatric expertise in brain-body integration and recovery. Psychoeducation plays an integral role in helping patients understand how neurological symptoms can arise from functional disturbance and be influenced by psychological and environmental factors.
The psychiatric formulation following assessment integrates biological, psychological, and social dimensions. This personalised understanding of the disorder helps to bridge the gap between neurological findings and psychiatric insight, better equipping the multidisciplinary team to address patient needs. As FND increasingly gains acceptance within both fields, the psychiatrist’s role in assessment and diagnosis continues to evolve, highlighting the importance of early and skilled mental health involvement in improving patient outcomes.
Therapeutic interventions and management strategies
Effective management of functional neurological disorder (FND) involves a comprehensive and individualised therapeutic plan that is grounded in the biopsychosocial model. Treatment should address the neurological symptoms alongside any psychological distress or psychiatric comorbidity that may be present. Central to this process is the establishment of a therapeutic alliance, where the psychiatrist fosters a collaborative relationship with the patient, promoting engagement and adherence to intervention strategies.
Psychoeducation remains a cornerstone of treatment, helping patients understand the nature of FND and the factors that may contribute to symptom generation and persistence. Providing a clear, non-stigmatising explanation that links brain function with psychological processes is critical to patient acceptance of the diagnosis and treatment. Many individuals with FND find validation and relief in understanding that the diagnosis is both real and treatable, which can significantly influence their motivation to engage in therapeutic work.
Psychological therapies form a key component of treatment. Cognitive behavioural therapy (CBT) has demonstrated benefit in reducing symptom severity, improving functional outcomes, and addressing unhelpful thought patterns related to illness beliefs and bodily focus. Emotion-focused approaches, such as psychodynamic psychotherapy and interpersonal therapy, may be valuable for individuals with prominent relational difficulties, emotional dysregulation, or unresolved trauma. These modalities allow exploration of unconscious conflicts and their manifestation in physical symptoms, facilitating adaptive coping strategies.
For those experiencing dissociative symptoms or when trauma is prominent in the clinical formulation, trauma-informed therapy—such as eye movement desensitisation and reprocessing (EMDR) or trauma-focused CBT—may play a crucial role. A careful and phased approach is often necessary, especially when emotional containment is limited. Additionally, mindfulness-based interventions can aid emotional regulation and enhance present-moment awareness, potentially reducing symptom flares during stressful situations.
Management of psychiatric comorbidity is essential, often involving pharmacological treatment in conjunction with psychotherapy. Antidepressants, anxiolytics, or antipsychotics may be indicated depending on the nature and severity of coexisting mental health conditions. However, medication should be prescribed judiciously and as part of a broader therapeutic strategy, with regular reviews to evaluate efficacy and side effects. Importantly, symptoms of FND themselves do not typically require pharmacological treatment, and improper prescribing may reinforce somatic focus or concern.
Behavioural interventions aimed at restoring physical functioning play a parallel role. While physiotherapists and occupational therapists commonly lead these aspects of care, the psychiatrist’s engagement remains pivotal in overcoming motivational barriers, addressing avoidance behaviours, and coordinating therapeutic aims across disciplines. Supporting the patient’s return to previous roles and activities, including employment and social participation, is an important goal of treatment and often requires input in the form of behavioural activation and graded exposure strategies.
Regular review and flexibility in the therapeutic plan are important, as symptoms may wax and wane or evolve over time. Shared decision-making with the patient should guide adjustments in treatment focus. In some cases, particularly where progress is limited, the psychiatrist may consider group therapy formats or inpatient admission in specialised settings for more intensive rehabilitation and psychological intervention.
An empathic, validating approach throughout the treatment process is indispensable. Many patients with FND have experienced diagnostic delays or dismissive interactions with healthcare professionals, leading to mistrust or disengagement from services. Active listening, consistent communication, and recognition of the individual’s experience of disability serve to counteract these effects and strengthen therapeutic rapport. In doing so, the psychiatrist not only addresses the patient’s immediate mental health needs but also contributes to long-term recovery and resilience.
Collaborative care and multidisciplinary approaches
Successful management of functional neurological disorder (FND) relies heavily on collaborative care models that integrate expertise across different medical and therapeutic disciplines. Given the complex interplay of neurological symptoms and psychological factors, a multidisciplinary approach is essential in offering comprehensive and sustained care. This includes close collaboration among neurologists, psychiatrists, psychologists, physiotherapists, occupational therapists, and, where appropriate, social workers and speech and language therapists. Each professional contributes unique insights and interventions that address different facets of the disorder, allowing for a holistic and patient-centred plan.
The psychiatrist plays an instrumental role within the multidisciplinary team, particularly in the identification and management of psychiatric comorbidities and the provision of psychiatric formulations to guide treatment. Their involvement ensures that co-occurring mental health conditions such as depression, anxiety, or trauma-related disorders are not overlooked, and that interventions address both the functional symptoms and the psychological underpinnings. Likewise, psychiatrists often facilitate the interface between physical and mental health services, ensuring continuity of care and promoting coordinated treatment goals.
Interdisciplinary case discussions and joint assessments are key mechanisms for ensuring cohesion across services. Such practices help align the team’s understanding of the patient’s condition, reduce fragmented care, and avoid contradictory messages that can erode the therapeutic alliance. Regular meetings provide opportunities for shared decision-making, treatment review, and the tailoring of interventions in response to patient progress or emerging challenges. Involving the patient actively in these discussions enhances engagement, encourages autonomy, and strengthens trust in the healthcare system.
Integrated care pathways for FND often involve synchronised scheduling of therapy sessions; for example, psychological therapy might be paired with physiotherapy to address emotional triggers that exacerbate motor symptoms. This combined approach ensures that while physical rehabilitation progresses, emotional resilience and cognitive patterns are simultaneously addressed. For patients with significant avoidance behaviours or mobility issues, joint sessions with mental health professionals and physiotherapists can be pivotal in overcoming barriers to participation.
In some cases, liaison psychiatry services act as the bridge between acute hospital settings and community-based mental health and rehabilitation teams. These services can support early diagnosis, initiate treatment during hospital stays, and coordinate follow-up post-discharge. Such integration reduces the risk of patients falling between the gaps of services and helps to establish early therapeutic momentum. Where patients present to neurology with unexplained symptoms, prompt involvement of psychiatry allows for timely recognition of FND and the establishment of a confirmed diagnosis supported by both medical and psychological expertise.
Effective multidisciplinary management also extends to family and carers, whose understanding and support are often integral to the patient’s functioning and recovery. Psychoeducation provided by the psychiatrist or psychologist can help demystify the diagnosis and clarify the implications of psychiatric comorbidity. Collaboratively involving family members in therapy sessions, where appropriate, can reinforce behavioural strategies and reduce care-related stress within the home environment.
A key challenge in delivering collaborative care lies in systemic barriers, including siloed services, inconsistent referral pathways, and limited access to specialised clinicians. Addressing these challenges requires institutional commitment to integrated service delivery models and inter-professional education to reduce stigma around FND and mental health. Training for both mental health and physical healthcare providers enhances mutual understanding and creates more cohesive approaches to patient support.
Ultimately, the success of collaborative care in FND depends on the cohesion, communication, and shared ethos of the multidisciplinary team. Mutual respect for professional roles, a patient-centred philosophy, and a shared commitment to compassionate, evidence-based care form the foundation for effective treatment. As understanding of FND evolves, so too must collaborative models of care, ensuring that patients receive timely, coordinated, and empathetic support throughout their journey.
