Publications by authors named "Robert J Howard"

Background: Motor neuron disease is a progressive, fatal neurodegenerative disease for which there is no cure. Acceptance and Commitment Therapy (ACT) is a psychological therapy incorporating acceptance, mindfulness, and behaviour change techniques. We aimed to evaluate the effectiveness of ACT plus usual care, compared with usual care alone, for improving quality of life in people with motor neuron disease.

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Background: Given the degenerative nature of the condition, people living with motor neuron disease (MND) experience high levels of psychological distress. The purpose of this research was to investigate the cost-effectiveness of acceptance and commitment therapy (ACT), adapted for the specific needs of this population, for improving quality of life.

Methods: A trial-based cost-utility analysis over a 9-month period was conducted comparing ACT plus usual care (n = 97) versus usual care alone (n = 94) from the perspective of the National Health Service.

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Article Synopsis
  • Motor neuron disease (MND) is a serious condition that weakens muscles, and there's a lack of effective strategies for managing the psychological distress faced by those living with it.
  • This study evaluated the feasibility and acceptability of Acceptance and Commitment Therapy (ACT) as a treatment for individuals with MND, involving 29 participants who received ACT sessions along with their usual care.
  • Results showed that the study successfully recruited participants and most engaged with the therapy, indicating potential benefits in reducing anxiety and improving psychological quality of life, although some participants experienced a decline in their physical health status.
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Background: Motor neuron disease (MND) is a rapidly progressive, fatal neurodegenerative disease that predominantly affects motor neurons from the motor cortex to the spinal cord and causes progressive wasting and weakening of bulbar, limb, abdominal and thoracic muscles. Prognosis is poor and median survival is 2-3 years following symptom onset. Psychological distress is relatively common in people living with MND.

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Functional cognitive disorder is common but underlying mechanisms remain poorly understood. Metacognition, an individual's ability to reflect on and monitor cognitive processes, is likely to be relevant. Local metacognition refers to an ability to estimate confidence in cognitive performance on a moment-to-moment basis, whereas global metacognition refers to long-run self-evaluations of overall performance.

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Objectives: Substantial construct overlap exists between indicators of frailty and symptoms of some psychiatric disorders. This study aimed to gain consensus of expert academic opinion on the potential impact of psychiatric illness on frailty assessment and how best to conceptualise and measure frailty indicators in the context of psychiatric symptoms.

Design: A classic Delphi approach was employed across two studies to achieve consensus: The first-round questionnaire consisted of open-ended questions, analysed through content analysis.

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Background: Generalised anxiety disorder, characterised by excessive anxiety and worry, is the most common anxiety disorder among older people. It is a condition that may persist for decades and is associated with numerous negative outcomes. Front-line treatments include pharmacological and psychological therapy, but many older people do not find these treatments effective.

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The geographic areas most impacted by COVID-19 may not remain static because public health measures/behaviors change dynamically, and the impacts of pandemic vulnerability also may vary geographically and temporally. The nature of the pandemic makes spatiotemporal methods essential to understanding the distribution of COVID-19 deaths and developing interventions. This study examines the spatiotemporal trends in COVID-19 death rates in the United States from March 2020 to May 2021 by performing an emerging hot spot analysis (EHSA).

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Background: Generalised anxiety disorder (GAD) is the most common anxiety disorder in older people. First-line management includes pharmacological and psychological therapies, but many do not find these effective or acceptable. Little is known about how to manage treatment-resistant generalised anxiety disorder (TR-GAD) in older people.

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Article Synopsis
  • Scientists are studying how the endocannabinoid system (ECS) changes in people with Alzheimer's disease and mild cognitive impairment, but results have been confusing so far.
  • They looked at 22 different studies, trying to find patterns in things like cannabinoid receptors and important chemicals in the ECS.
  • Most studies were small and didn't always consider other important factors, making it hard to understand how ECS changes relate to Alzheimer's symptoms.
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Functional Cognitive Disorder (FCD) is common. Despite this, there is no evidence-based consensus on how to treat FCD. Poor metacognitive ability has been suggested as a key mechanism underlying the disorder.

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Background: generalised anxiety disorder (GAD) is common in later life with a prevalence of 3-12%. Many only partially respond to cognitive behavioural therapy or pharmacotherapy and can be classified as treatment resistant. These patients experience poor quality of life, and are at increased risk of comorbid depression, falls and loneliness.

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Introduction: Functional Cognitive Disorder (FCD) is poorly understood. We sought to better characterise FCD in order to inform future diagnostic criteria and evidence based treatments. Additionally, we compared FCD patients with and without co-morbid depression, including their neuropsychological profiles, to determine whether these two disorders are distinct.

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Objective: To review evidence evaluating the use of multicomponent frailty assessment tools in assessing frailty in older adults with psychiatric disorders.

Methods: A systematic literature review was conducted to identify all multicomponent frailty assessment tools (ie, a tool that assesses two or more indicators of frailty). The items of each frailty assessment tool were compared with Diagnostic and Statistical Manual of Mental Disorders, 5th edition (DSM-5) diagnostic criteria for psychiatric disorders to assess construct overlap.

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  • This review looks at different ways to help people who feel like their thinking skills are getting worse, known as subjective cognitive decline (SCD).
  • Researchers searched for studies that tested these methods, which included talking therapy, brain exercises, lifestyle changes, and medication.
  • The results showed that while group therapy helped people feel better emotionally, it didn't really improve their thinking skills much; however, brain training did show a small improvement in objective thinking performance.
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Objective: To provide an up-to-date systematic review of the characteristics, methodology and findings of studies that have investigated the neurochemistry of agitation in Alzheimer's disease (AD).

Methods: Electronic databases were searched for published peer-reviewed articles which provided data on any neurotransmitter system in relation to agitation in AD. Screening of titles and abstracts and data extraction from full texts were conducted in duplicate.

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Objectives: The objective of this study was to evaluate the effect of tumour necrosis factor-alpha inhibitors (TNF-αI) on Alzheimer's disease-associated pathology.

Design: A literature search of PubMed, Embase, PsychINFO, Web of Science, Scopus, and the Cochrane Library databases for human and animal studies that evaluated the use of TNF-αI was performed on 26 October 2016.

Results: The main outcomes assessed were cognition and behaviour, reduction in brain tissue mass, presence of plaques and tangles, and synaptic function.

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The locus coeruleus (LC), the major origin of noradrenergic modulation of the central nervous system, innervates extensive areas throughout the brain and is implicated in a variety of autonomic and cognitive functions. Alterations in the LC-noradrenergic system have been associated with healthy ageing and neuropsychiatric disorders including Parkinson's disease, Alzheimer's disease and depression. The last decade has seen advances in imaging the structure and function of the LC, and this paper systematically reviews the methodology and outcomes of sixty-nine structural and functional MRI studies of the LC in humans.

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Background: Predictor analyses of late-life depression can be used to identify variables associated with outcomes of treatments, and hence ways of tailoring specific treatments to patients. The aim of this review was to systematically identify, review and meta-analyse predictors of outcomes of any type of treatment for late-life depression.

Methods: Pubmed, Embase, CINAHL, Web of Science and PsycINFO were searched for studies published up to December 2016.

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Article Synopsis
  • Scientists are studying whether people with early Alzheimer's disease (AD) have trouble focusing their attention for a long time.
  • They tested 51 AD patients and 15 healthy older people using a special attention task called SART.
  • The results showed that AD patients struggled with attention and this problem also affected their overall thinking and memory skills.
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Background: Frailty is widely recognised as a distinct multifactorial clinical syndrome that implies vulnerability. The links between frailty and adverse outcomes such as death and institutionalisation have been widely evidenced. There is currently no gold standard frailty assessment tool; optimizing the assessment of frailty in older people therefore remains a research priority.

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Article Synopsis
  • The study reviewed how different tasks are used to test memory skills called pattern separation (distinguishing between similar things) and pattern completion (filling in missing information).
  • Researchers looked at articles to see if the tasks followed guidelines that optimize their effectiveness, such as using new images and specific situations.
  • Out of 62 studies, most focused on younger people and mostly didn't fully meet all guidelines needed for the best results in testing these memory skills.
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