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Although Parkinson’s disease (PD) is most associated with and diagnosed by the presence of motor symptoms, non-motor symptoms (NMS) can often be the most debilitating for patients. Highly prevalent among non-motor features are neuropsychiatric symptoms (NPS), including depression, anxiety, psychosis, impulse control disorders, apathy and cognitive impairment, the latter being particularly burdensome and occurring in the majority of PD patients long term. The neurobiological underpinnings of NPS are a mix of disease-related, other neurodegenerative disease processes, PD treatment effects and psychosocial factors. NPS can be difficult to recognize and diagnose in PD patients; therefore, PD-specific assessments have been developed to better identify and treat them. Treatment strategies are a mix of those used in the general population for these conditions and those specific to PD, and are a combination of pharmacologic and non-pharmacologic interventions. Although significant advances have been made in our understanding and management of NPS in PD, etiology or biologically informed management strategies are needed to further advance the field.
This chapter provides a review for post-traumatic stress disorder (PTSD). It starts by presenting the epidemiological data as well as the risk factors in the development of PTSD. It then defines the diagnosis of PTSD, by using both DSM-5 and ICD-11 criteria, and provides a clinical approach on how to clarify differential diagnoses and comorbidities. It then reviews the pathophysiology and pathogenesis of PTSD by looking at neuroanatomic, neuroendocrine, neurochemical, and genetic changes in brain neural networks. It concludes by presenting the current evidence-based options for the treatment and management of PTSD that include psychotherapy and pharmacotherapy.
Anxiety disorders are the most common form of mental disorders, especially in young adults and children. They are typically characterized by extreme or excessive fear and anxiety or avoidance of perceived threats. Anxiety disorders encompass a range of conditions including, social anxiety disorder, selective mutism, panic disorder (or attacks), separation anxiety disorder, generalized anxiety disorder, and specific phobias. The risk for anxiety disorders is multifactorial, composed of genetic and environmental factors. While the specific neurobiological pathophysiology of anxiety disorders is yet to be undetermined, dysfunction in the fronto-limbic system is consistently related to these disorders. Additionally, comorbidity with other mental disorders, especially depression and substance abuse, is common with anxiety disorders. Anxiety disorders have a major public health relevance and remain highly underdiagnosed. They carry a high burden, as these disorders are often chronic, recurrent, and disabling throughout life. Treatment of anxiety disorders consists of various psychotherapies and pharmacological treatments. Although treatment methods are effective in mitigating the symptoms, more research is critically needed to personalize treatment approaches and provide long-term relief.
In this chapter, we discuss late-life psychiatric disorders highlighting their unique biological, clinical, and therapeutic features compared to presentations earlier in life. They are frequently overlapping and associated with dementia and other neurodegenerative diseases. The three D’s – delirium, dementia, and depression – represent common geriatric psychiatry syndromes that can pose diagnostic and therapeutic challenges. Clinical suspicion of delirium must prompt careful investigation of the underlying cause. Dementia is an umbrella term that describes progressive cognitive decline and related behavioral and functional impairments. Behavioral symptoms of dementia are a frequent reason for psychiatry referral. They have a more irregular course than the cognitive decline, and can be categorized in distinct dimensions. Late-life depression has unique features, such as the focus on somatic complaints instead of mood changes.
Crowd crush disasters result in psychological risks such as anxiety, depression, and post-traumatic stress disorder (PTSD). This descriptive research study identified the mental health status of Koreans after the Itaewon crowd crush disaster and explored related factors.
Methods
Data were collected May 2-9, 2023 using an online survey. Participants included 205 adults aged 19-69 years recruited through South Korean local and online university communities. Their mental health and related factors were measured at 6 months post-disaster. Data were analyzed using IBM® SPSS® Statistics 26.0. and R 3.4.2.
Results
Significant differences in anxiety, depression, and PTSD among participants who experienced the disaster as victims; changes in drinking frequency and alcohol consumption; and differences in anxiety and PTSD according to family type were observed. Comparing the 3 and 6 month surveys, there were no significant changes in anxiety, depression, PTSD, general mental health, or mental well-being. When mental health severity was divided according to victimization, a significant difference in the severity of anxiety, depression, and PTSD was observed.
Conclusions
Participants’ levels of anxiety, depression, and PTSD varied according to their direct and indirect experience of the disaster, with higher levels of PTSD even without direct experience with the disaster.
The ability to detect and monitor errors enables us to maintain optimal performance across tasks. One neurophysiological index of error monitoring is the error-related negativity (ERN), a fronto-central negative deflection peaking between 0 and 150 ms following an erroneous response. While the developmental literature has illustrated age-related differences in the ERN and its association with anxiety, the literature has mainly focused on the between-person differences of the ERN. Our study examined the within-person variations of the ERN in 115 community-dwelling 9- to 12-year-olds (66 girls; mean age/SD = 11.00/1.16 years). Participants completed an EEG Go/No-Go task and reported their anxiety symptoms. Multilevel growth analyses yielded significant within-person, curvilinear changes in the ERN throughout the task. Youths’ trial-level ERN increased (i.e., became more negative) with early errors, but decreased with subsequent errors. This curvilinear pattern was evident in older, but not younger, youths. Age also interacted with anxiety symptoms: younger youths with higher anxiety showed a continuous increase in the ERN throughout the task, whereas older youths with higher anxiety showed an initial increase followed by a decline in the ERN. Our study contributed novel evidence for the development of the ERN and the underlying mechanisms of the ERN-anxiety relationship that cannot be captured by between-person approaches.
Anxiety disorders and treatment-resistant major depressive disorder (TRD) are often comorbid. Studies suggest ketamine has anxiolytic and antidepressant properties.
Aims
To investigate if subcutaneous racemic ketamine, delivered twice weekly for 4 weeks, reduces anxiety in people with TRD.
Method
The Ketamine for Adult Depression Study was a multisite 4-week randomised, double-blind, active (midazolam)-controlled trial. The study initially used fixed low dose ketamine (0.5 mg/kg, cohort 1), before protocol revision to flexible, response-guided dosing (0.5–0.9 mg/kg, cohort 2). This secondary analysis assessed anxiety using the Hamilton Anxiety (HAM-A) scale (primary measure) and ‘inner tension’ item 3 of the Montgomery–Åsberg Depression Rating Scale (MADRS), at baseline, 4 weeks (end treatment) and 4 weeks after treatment end. Analyses of change in anxiety between ketamine and midazolam groups included all participants who received at least one treatment (n = 174), with a mixed effects repeated measures model used to assess the primary anxiety measure. The trial was registered at www.anzctr.org.au (ACTRN12616001096448).
Results
In cohort 1 (n = 68) the reduction in HAM-A score was not statistically significant: −1.4 (95% CI [−8.6, 3.2], P = 0.37), whereas a significant reduction was seen for cohort 2 (n = 106) of −4.0 (95% CI [−10.6, −1.9], P = 0.0058), favouring ketamine over midazolam. These effects were mediated by total MADRS and were not maintained at 4 weeks after treatment end. MADRS item 3 was also significantly reduced in cohort 2 (P = 0.026) but not cohort 1 (P = 0.96).
Conclusion
Ketamine reduces anxiety in people with TRD when administered subcutaneously in adequate doses.
Given the US population concentration near coastal areas and increased flooding due to climate change, public health professionals must recognize the psychological burden resulting from exposure to natural hazards.
Methods
We performed a systematic search of databases to identify articles with a clearly defined comparison group consisting of either pre-exposure measurements in a disaster-exposed population or disaster-unexposed controls, and assessment of mental health, including but not limited to, depression, post-traumatic stress (PTS), and anxiety.
Results
Twenty-five studies, with a combined total of n =616 657 people were included in a systematic review, and 11 studies with a total of 2012 people were included in a meta-analysis of 3 mental health outcomes. Meta-analytic findings included a positive association between disaster exposure and PTS (n = 5, g = 0.44, 95% CI 0.04, 0.85), as well as depression (n = 9, g = 0.28, 95% CI 0.04, 0.53), and no meaningful effect size in studies assessing anxiety (n = 6, g = 0.05 95% CI −0.30, 0.19).
Conclusions
Hurricanes and flooding were consistently associated with increased depression and PTS in studies with comparison groups representing individuals unaffected by hazards.
Chapter 2 explores Pentecostal ethics, and how urban Pentecostal churches in Rwanda attempted to Pentecostalise ubwenge, a traditional concept often translated as ‘intelligence’, ‘wisdom’, or even ‘cunning’. It traces discursive attempts on the part of Pentecostal pastors to show that the ‘spirit of intelligence’ (umwuka w’ubwenge) had divine origins. Moving from discourse to practice, the chapter also considers how young Pentecostals employed ubwenge in their own lives, using it to navigate relationships both within the church and with the state.
Motivated behaviors vary widely across individuals and are controlled by a range of environmental and intrinsic factors. However, due to a lack of objective measures, the role of intrinsic v. extrinsic control of motivation in psychiatric disorders remains poorly understood.
Methods
We developed a novel multi-factorial behavioral task that separates the distinct contributions of intrinsic v. extrinsic control, and determines their influence on motivation and outcome sensitivity in a range of contextual environments. We deployed this task in two independent cohorts (final in-person N = 181 and final online N = 258), including individuals with and without depression and anxiety disorders.
Results
There was a significant interaction between group (controls, depression, anxiety) and control-condition (extrinsic, intrinsic) on motivation where participants with depression showed lower extrinsic motivation and participants with anxiety showed higher extrinsic motivation compared to controls, while intrinsic motivation was broadly similar across the groups. There was also a significant group-by-valence (rewards, losses) interaction, where participants with major depressive disorder showed lower motivation to avoid losses, but participants with anxiety showed higher motivation to avoid losses. Finally, there was a double-dissociation with anhedonic symptoms whereby anticipatory anhedonia was associated with reduced extrinsic motivation, whereas consummatory anhedonia was associated with lower sensitivity to outcomes that modulated intrinsic behavior. These findings were robustly replicated in the second independent cohort.
Conclusions
Together this work demonstrates the effects of intrinsic and extrinsic control on altering motivation and outcome sensitivity, and shows how depression, anhedonia, and anxiety may influence these biases.
The purpose of the current study was to understand the prevalence and patterns of cannabinoid use among LTC residents across Canada. We gathered data on cannabinoid prescriptions among LTC residents for one year before and after recreational cannabis legalization. Multi-level modelling was used to examine the effects of demographic and diagnostic characteristics on rates of cannabinoid prescription over time. All prescriptions were for nabilone. There was a significant increase in the proportion of residents prescribed nabilone following the legalization of recreational cannabis in Canada. Residents with relatively more severe pain (based on the Minimum Data Set pain scale), a diagnosis of depression, or a diagnosis of an anxiety disorder were more likely to have received a nabilone prescription. Our results provide valuable information regarding the increasing use of synthetic cannabinoids in LTC. The implications for clinical practice and policy decision-makers are discussed.
Cognitive behavioural therapy (CBT) interventions are effective in reducing subjective stress. Nevertheless, the longitudinal links between mental health indicators are rarely studied in intervention research. Therefore, it is unknown how the intervention effects are sustained.
Aim:
The current study investigated mechanisms explaining sustained intervention effects in a sample of medical nurses who receive a CBT-based internet-delivered stress recovery program.
Method:
A single-group longitudinal study design with three measurement points, pre-test, post-test, and 3-month follow-up, was used in the current study. The sample consisted of nurses and assistant nurses from Lithuania (n=111, age: M (SD) = 41.69 years (10.85)) who had participated in a 6-week CBT internet intervention targeting stress recovery. Data were collected as the randomised control trial, the treatment samples were combined, and the data were analysed using cross-lagged panel analysis with four variables representing the psychological well-being and symptoms of stress, anxiety, and depression.
Results:
The results revealed that decreased anxiety and increased psychological well-being at post-test predicted reduced stress levels at the 3-month follow-up. In addition, decreased anxiety at post-test predicted decreased depression at follow-up.
Conclusions:
Decreased anxiety and increased well-being could explain the sustainability of reduced stress following a CBT-based internet intervention for nurses. The implications of this for research and practice are discussed.
The population of adult CHD patients is continuously increasing. The underlying CHD affects performance and prognosis, but also has a significant impact on quality of life, psychosocial behaviour, anxiety and emotional disturbances. This study analyzes these parameters of patients after one or more heart operations and the possible psychological effects of medical and psychosocial complications at the Department of Cardiology of the Kepler University Hospital Linz.
Methods and Results
A total of 81 subjects participated in the questionnaire survey of the Institute of Cardiology and Clinical Psychology during their annual cardiological check-up. Of these, 80 participants were included in the study and three showed a mild CHD, 49 a moderate one, and 28 a severe one. This study has an exploratory design to assess possible stress factors and limitations in quality of life. For this purpose, a self-administered sociodemographic questionnaire and three standardised questionnaires were used. In summary, the quality of life of adult CHD is considered depending on the severity of the symptoms and compared with the healthy population. Differences in this regard are observed in individuals with lower symptom severity, who report higher psychological well-being. Sex differences are observed in physical role function and physical functioning.
Conclusion:
Based on the results, regular repetitions of the study, as well as continuous psychological and psychosocial support, are necessary, since challenges are predictable with the increasing age of adult CHD patients and since the upholding of good quality of life and dealing with difficult life circumstances must be supported.
A growing number of studies among adolescents have reported early maladaptive schemas (EMS) to associate with anxiety and depression within non-clinical samples. However, there is a gap of knowledge concerning clinical populations.
Aims:
The current study’s aim was to explore the potential association between EMS domains and anxiety and depressive symptoms within clinical sample of adolescents.
Method:
The current study included 176 adolescent psychiatry out-patients. The EMS domains were measured with the Young Schema Questionnaire-Short Form 2-Extended (YSQ). Their association with anxiety symptoms (the Overall Anxiety Severity and Impairment Scale) and depressive symptoms (the Beck Depression Inventory II) were analysed with general linear models while controlling for significant confounding factors.
Results:
Depressive symptoms were associated with three of the four EMS domains: Disconnection and Rejection (η2p=0.047, p=0.005), Impaired Autonomy and Performance (η2p=0.074, p<0.001), and Impaired Limits (η2p=0.053, p=0.003). Anxiety symptoms were associated with two EMS domains: Impaired Autonomy and Performance (η2p=0.046, p=0.005) and Excessive Responsibility and Standards (η2p=0.054, p=0.002).
Conclusions:
Various EMS domains were associated with depressive and anxiety symptoms among adolescent out-patients. Further studies are needed on the effect of EMSs on the treatment outcomes for depression and anxiety.
Mounting evidence suggests that the Mediterranean diet has a beneficial effect on mental health. It has been hypothesised that this effect is mediated by a variety of foods, nutrients and constituents; however, there is a need for research elucidating which of these components contribute to the therapeutic effect. This scoping review sought to systematically search for and synthesise the research on olive oil and its constituents and their impact on mental health, including the presence or absence of a mental illness or the severity or progression of symptoms. PubMed and OVID MEDLINE databases were searched. The following article types were eligible for inclusion: human experimental and observational studies, animal and preclinical studies. Abstracts were screened in duplicate, and data were extracted using a piloted template. Data were analysed qualitatively to assess trends and gaps for further study. The PubMed and OVID MEDLINE search yielded 544 and 152 results, respectively. After full-text screening, forty-nine studies were eligible for inclusion, including seventeen human experimental, eighteen observational and fourteen animal studies. Of these, thirteen human and four animal studies used olive oil as a comparator. Observational studies reported inconsistent results, specifically five reporting higher rates of mental illness, eight reporting lower and five reporting no association with higher olive oil intake. All human experimental studies and nine of ten animal studies that assess olive oil as an intervention reported an improvement of anxiety or depression symptoms. Olive oil may benefit mental health outcomes. However, more experimental research is needed.
England's primary care service for psychological therapy (Improving Access to Psychological Therapies [IAPT]) treats anxiety and depression, with a target recovery rate of 50%. Identifying the characteristics of patients who achieve recovery may assist in optimizing future treatment. This naturalistic cohort study investigated pre-therapy characteristics as predictors of recovery and improvement after IAPT therapy.
Methods
In a cohort of patients attending an IAPT service in South London, we recruited 263 participants and conducted a baseline interview to gather extensive pre-therapy characteristics. Bayesian prediction models and variable selection were used to identify baseline variables prognostic of good clinical outcomes. Recovery (primary outcome) was defined using (IAPT) service-defined score thresholds for both depression (Patient Health Questionnaire [PHQ-9]) and anxiety (Generalized Anxiety Disorder [GAD-7]). Depression and anxiety outcomes were also evaluated as standalone (PHQ-9/GAD-7) scores after therapy. Prediction model performance metrics were estimated using cross-validation.
Results
Predictor variables explained 26% (recovery), 37% (depression), and 31% (anxiety) of the variance in outcomes, respectively. Variables prognostic of recovery were lower pre-treatment depression severity and not meeting criteria for obsessive compulsive disorder. Post-therapy depression and anxiety severity scores were predicted by lower symptom severity and higher ratings of health-related quality of life (EuroQol questionnaire [EQ5D]) at baseline.
Conclusion
Almost a third of the variance in clinical outcomes was explained by pre-treatment symptom severity scores. These constructs benefit from being rapidly accessible in healthcare services. If replicated in external samples, the early identification of patients who are less likely to recover may facilitate earlier triage to alternative interventions.
How can we understand the audience agency and securitisation processes that can induce anxiety? The Copenhagen School of security studies conceptualises an audience as possessing political agency which is contingent on their capabilities to respond to securitising moves. Drawing on Anthony Giddens’s approach to ontological security, we argue that there is another type of agency supplementing political agency. Ontological agency refers to exercising control over the stability and continuity of one’s everyday routines and practices to minimise disruption to these routines caused by securitisation. Because routines of day-to-day life are central to bracketing sources of anxiety, people may choose to overlook and not react to securitising moves designating threats and implementing emergency measures that can undermine ontological security. We illustrate the analytical purchase of ontological agency by using unstructured observations of South Korean people’s responses to military practices that securitise North Korea. Our observations reveal that there is latent anxiety regarding North Korea that manifests in varying degrees ranging from inaction when routines are not disrupted by securitisation to outward bursts of emotional reactions and breakdown when securitisation practices disrupt people’s basic routines. This raises implications about the importance of ontological security driving the success or failure of securitisation and the politics of existentialism.
Engaging with personal mental health stories has the potential to help people with mental health difficulties by normalizing distressing experiences, imparting coping strategies and building hope. However, evidence-based mental health storytelling platforms are scarce, especially for young people in low-resource settings.
Objective
This paper presents an account of the co-design of ‘Baatcheet’ (‘conversation’ in Hindi), a peer-supported, web-based storytelling intervention aimed at 16–24-year-olds with depression and anxiety in New Delhi, India.
Methods
Development comprised three stages: (1) establishing a logic model through consultations with a Young People’s Advisory Group (N = 11) and a stakeholder reference group (N = 20); (2) elaborating intervention guiding principles and components through focus group discussions and co-design workshops (N = 42); and (3) user-testing of prototypes.
Results
The developmental process identified key stakeholder preferences for an online, youth-focused mental health storytelling intervention. Baatcheet uses an interactive storytelling website containing a repository of personal stories about young people’s experiences of depression and anxiety. This is offered alongside brief support from a peer.
Conclusions
There are few story-based interventions addressing depression and anxiety for young people, especially in low-resource settings. Baatcheet has the potential to deliver engaging, accessible and timely mental health support to young people. A pilot evaluation is underway.
Implementation of video call-based cognitive behavioural therapy (CBT) has increased significantly since the COVID-19 pandemic, enabling more flexible delivery, but less is known about user experience and effectiveness. This systematic review and meta-analysis investigated feasibility, acceptability, and effectiveness of individual video call-based CBT for adults with mild to moderate mental health conditions (Prospero CRD42021291055). Medline, Embase, PsycINFO and Web of Science were searched until 4 September 2023. The Effective Public Health Practice Project Quality Assessment Tool (EPHPP) assessed methodological quality of studies. Meta-analysis was conducted in R. Thirty studies (n=3275), published 2000 to 2022, mainly in the USA (n=22/30, 73%), were included. There were 15 randomised control trials, one controlled clinical trial, and 14 uncontrolled studies. Findings indicated feasibility, acceptability and effectiveness (effect size range 0.02–8.30), especially in post-traumatic stress disorder (PTSD) for military populations. Other studies investigated depression, obsessive-compulsive disorder, panic with agoraphobia, insomnia, and anxiety. Studies indicated that initial challenges with video call-based CBT subsided as therapy progressed and technical difficulties were managed with limited impact on care. EPHPP ratings were strong (n=12/30, 40%), moderate (n=12/30, 40%), and weak (n=6/30, 20%). Meta-analysis on 12 studies indicated that the difference in effectiveness of video call-based CBT and in-person CBT in reducing symptoms was not significant (SMD=0.044; CI=–0.086; 0.174). Video calls could increase access to CBT without diminishing effectiveness. Limitations include high prevalence of PTSD studies, lack of standardised definitions, and limited studies, especially those since the COVID-19 pandemic escalated use of video calls.
Key learning aims
This review assesses feasibility, acceptability, and effectiveness of individual video call-based CBT for adults with mild to moderate common mental health conditions, as defined by the ICD-11.
Secondary aims were to assess if the therapeutic relationship is affected and identify any potential training needs in delivering video call-based CBT.
The adjunct meta-analysis quantitatively explored whether video call-based CBT is as effective as in-person interventions in symptom reduction on primary outcome measures by pooling estimates for studies that compare these treatment conditions.
The relationship between adolescent alcohol use and emotional problems remains unclear and contradictory. These inconsistencies may in part be due to differences in the measurement and operationalization of alcohol use and emotional problems across studies, as well as confounder selection and missing data decisions. This study explores the associations between common specifications of adolescent alcohol use and emotional problems in a large sample of adolescents.
Methods
A multiverse analysis (also known as specification curve analysis or vibration of effects) was done with 7680 unique model specifications in a large longitudinal sample of 6639 Australian adolescents (aged ~14.7–15.7, 2021–2022).
Results
While alcohol use and emotional problems nearly universally co-occurred in minimally adjusted cross-sectional models (98–99%), the operationalization of emotional problems, temporality of prospective relationships, and choice of confounders substantially impacted findings. Emotional problems appeared to predict later alcohol use more-so than the reverse, depression-focused measures yielded more consistent associations with alcohol use than anxiety-focused measures, and certain confounders (i.e. conduct, ADHD, smoking) explained most of the associations between adolescent alcohol use and emotional problems. Missing data decisions and whether outcomes were modelled continuously v. dichotomously had minimal impact on findings.
Conclusions
While adolescent alcohol use and emotional problems commonly co-occur, inconsistencies in the magnitude, direction, and significance of effects are closely tied to researcher decisions that are often made arbitrarily.