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https://www.readbyqxmd.com/read/28096673/apathy-and-intrinsic-functional-connectivity-networks-in-amnestic-mild-cognitive-impairment
#1
Soo Hyun Joo, Chang Uk Lee, Hyun Kook Lim
BACKGROUND: Although several prior works reported that apathy is associated with conversion to Alzheimer's disease in individuals with amnestic mild cognitive impairment (aMCI), effects of apathy on the functional connectivity (FC) of the brain remain unclear. In this study, we assessed the pattern of association between apathy and default mode network (DMN), salience network and central executive network (CEN) in aMCI subjects. METHODS: Fifty subjects with aMCI and 50 controls (CONs) participated in this study...
2017: Neuropsychiatric Disease and Treatment
https://www.readbyqxmd.com/read/28089265/gender-differences-in-parkinson-s-disease-depression
#2
Andrew J Perrin, Ekaterina Nosova, Kim Co, Adam Book, Oscar Iu, Vanessa Silva, Christina Thompson, Martin J McKeown, A Jon Stoessl, Matthew J Farrer, Silke Appel-Cresswell
INTRODUCTION: 30-40% of patients with Parkinson's disease (PD) experience depression during their illness; identifying subtypes of depression and groups at risk remains a challenge in routine clinical care. One avenue that remains underexplored is the gender-specific profiles manifested in PD depression. We sought to explore this in a large sample of clinical PD patients. METHODS: 307 patient records at a tertiary referral centre were reviewed for clinical and demographic factors...
December 29, 2016: Parkinsonism & related Disorders
https://www.readbyqxmd.com/read/28089264/development-and-validation-of-the-deep-brain-stimulation-impairment-scale-dbs-is
#3
Franziska Maier, Catharine J Lewis, Carsten Eggers, Andrea A Kühn, Henriette Krug, Jens Volkmann, Anna D Kirsch, Lars Wojtecki, Alfons Schnitzler, Günther Deuschl, Joachim K Krauss, Christiane Woopen, Lars Timmermann
BACKGROUND: Bilateral deep brain stimulation of the subthalamic nucleus (STN-DBS) has considerable influence on motor and non-motor symptoms in Parkinson's disease (PD). While improvements in motor functioning can be easily assessed with general quality of life questionnaires, the measurement of specific STN-DBS-associated impairments often remains insufficient. Hence, we aimed to develop a questionnaire that measures STN-DBS-related impairments. METHODS: The development of the (STN-)DBS Impairment Scale (DBS-IS) consisted of four steps...
January 6, 2017: Parkinsonism & related Disorders
https://www.readbyqxmd.com/read/28089250/pathology-of-behavior-in-pd-what-is-known-and-what-is-not
#4
REVIEW
Kaylena A Ehgoetz Martens, Simon J G Lewis
Abnormal behavior in Parkinson's disease (PD) stems from a complex orchestration of impaired neural networks that result from PD-related neurodegeneration across multiple levels. Typically, cellular and tissue abnormalities generate neurochemical changes and disrupt specific regions of the brain, in turn creating impaired neural circuits and dysfunctional global networks. The objective of this chapter is to provide an overview of the array of pathological changes that have been linked to different behavioral symptoms of PD such as depression, anxiety, apathy, fatigue, impulse control disorders, psychosis, sleep disorders and dementia...
December 29, 2016: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/28088925/a-randomized-controlled-trial-of-kundalini-yoga-in-mild-cognitive-impairment
#5
Harris A Eyre, Prabha Siddarth, Bianca Acevedo, Kathleen Van Dyk, Pattharee Paholpak, Linda Ercoli, Natalie St Cyr, Hongyu Yang, Dharma S Khalsa, Helen Lavretsky
BACKGROUND: Global population aging will result in increasing rates of cognitive decline and dementia. Thus, effective, low-cost, and low side-effect interventions for the treatment and prevention of cognitive decline are urgently needed. Our study is the first to investigate the effects of Kundalini yoga (KY) training on mild cognitive impairment (MCI). METHODS: Older participants (≥55 years of age) with MCI were randomized to either a 12-week KY intervention or memory enhancement training (MET; gold-standard, active control)...
January 16, 2017: International Psychogeriatrics
https://www.readbyqxmd.com/read/28088312/dementia-in-parkinson-s-disease
#6
REVIEW
Hasmet A Hanagasi, Zeynep Tufekcioglu, Murat Emre
Dementia can occur in a substantial number of patients with Parkinson's disease with a point prevalence close to 30%. The cognitive profile is characterized by predominant deficits in executive, visuospatial functions, attention and memory. Behavioral symptoms are frequent such as apathy, visual hallucinations and delusions. The most prominent associated pathology is Lewy body-type and biochemical deficit is cholinergic. Placebo-controlled randomized trials with cholinesterase inhibitors demonstrated modest but significant benefits in cognition, behavioral symptoms and global functions...
January 5, 2017: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/28080896/traumatic-foreign-body-pericarditis-in-a-toco-toucan-ramphastos-toco
#7
Mireia Máinez, Jorge Rosell, Roger Such, Teresa Cardona, Carles Juan-Sallés
An approximately 10-yr-old, captive-born female toco toucan ( Ramphastos toco ) was presented due to an acute onset of depression and apathy. On visual and physical examination, it showed an abnormal posture and dehydration, respectively. Serum biochemistry revealed hyperuricemia (39.4 mg/dl) and elevated glutamic oxaloacetic transaminase (GOT; 1,050 U/L). Radiographs demonstrated an enlargement of the cardiac silhouette. The bird died 7 days after presentation, despite treatment with enrofloxacin, allopurinol, a preparation of hepatorenal protectors, and complex B vitamins with dextrose...
December 2016: Journal of Zoo and Wildlife Medicine: Official Publication of the American Association of Zoo Veterinarians
https://www.readbyqxmd.com/read/28079675/recent-advances-in-the-management-of-neuropsychiatric-symptoms-in-dementia
#8
Orestes V Forlenza, Júlia Cunha Loureiro, Marcos Vasconcelos Pais, Florindo Stella
PURPOSE OF REVIEW: The present article addresses intriguing questions related to the clinical intervention in distinct neuropsychiatric syndromes of patients with dementia. RECENT FINDINGS: We reviewed 154 articles published between 2015 and 2016 targeting psychopharmacological and nonpharmacological interventions, and safety-tolerability concerns. We selected 115 articles addressing the purpose of this study. Of these, 33 were chosen because they were dedicated to subtopics: agitation (42), depression (33), apathy (18), sleep disorders/anxiety (8), and psychosis (4)...
January 12, 2017: Current Opinion in Psychiatry
https://www.readbyqxmd.com/read/28076387/distinct-subtypes-of-apathy-revealed-by-the-apathy-motivation-index
#9
Yuen-Siang Ang, Patricia Lockwood, Matthew A J Apps, Kinan Muhammed, Masud Husain
Apathy is a debilitating but poorly understood disorder characterized by a reduction in motivation. As well as being associated with several brain disorders, apathy is also prevalent in varying degrees in healthy people. Whilst many tools have been developed to assess levels of apathy in clinical disorders, surprisingly there are no measures of apathy suitable for healthy people. Moreover, although apathy is commonly comorbid with symptoms of depression, anhedonia and fatigue, how and why these symptoms are associated is unclear...
2017: PloS One
https://www.readbyqxmd.com/read/28071747/deficits-in-reinforcement-learning-but-no-link-to-apathy-in-patients-with-schizophrenia
#10
Matthias N Hartmann-Riemer, Steffen Aschenbrenner, Magdalena Bossert, Celina Westermann, Erich Seifritz, Philippe N Tobler, Matthias Weisbrod, Stefan Kaiser
Negative symptoms in schizophrenia have been linked to selective reinforcement learning deficits in the context of gains combined with intact loss-avoidance learning. Fundamental mechanisms of reinforcement learning and choice are prediction error signaling and the precise representation of reward value for future decisions. It is unclear which of these mechanisms contribute to the impairments in learning from positive outcomes observed in schizophrenia. A recent study suggested that patients with severe apathy symptoms show deficits in the representation of expected value...
January 10, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28067961/quality-of-life-in-relation-to-neuropsychiatric-symptoms-in-alzheimer-s-disease-5-year-prospective-alsova-cohort-study
#11
Kristiina Hongisto, Ilona Hallikainen, Tuomas Selander, Soili Törmälehto, Saku Väätäinen, Janne Martikainen, Tarja Välimäki, Sirpa Hartikainen, Jaana Suhonen, Anne M Koivisto
OBJECTIVE: To examine the association between neuropsychiatric symptoms (NPS) with self- and caregiver-rated Quality of Life (QoL) for patients with Alzheimer's disease (AD) during a 5-year follow-up. METHODS: The ALSOVA 5-year follow-up study included, at baseline, 236 patients with either very mild (Clinical Dementia Rating Scale (CDR) 0.5), or mild (CDR 1) AD, together with their caregivers from three Finnish hospital districts. QoL was evaluated using patient self-reported, and caregiver-rated, QoL in AD (QoL-AD) scores...
January 9, 2017: International Journal of Geriatric Psychiatry
https://www.readbyqxmd.com/read/28065176/behavioural-and-psychological-symptoms-in-general-hospital-patients-with-dementia-distress-for-nursing-staff-and-complications-in-care-results-of-the-general-hospital-study
#12
J B Hessler, M Schäufele, I Hendlmeier, M N Junge, S Leonhardt, J Weber, H Bickel
AIMS: Little is known about how behavioural and psychological symptoms of dementia (BPSD) manifest in the general hospital. The aim was to examine the frequency of BPSD in general hospitals and their associations with nursing staff distress and complications in care. METHODS: Cross-sectional representative study with 1469 patients aged ≥65, including 270 patients with dementia, of 33 randomly selected general hospitals in Germany. BPSD and complications were reported by nurses...
January 9, 2017: Epidemiology and Psychiatric Sciences
https://www.readbyqxmd.com/read/28060449/therapeutic-effects-of-drug-switching-between-acetylcholinesterase-inhibitors-in-patients-with-alzheimer-s-disease
#13
Yasuyuki Ohta, Mohamed Darwish, Nozomi Hishikawa, Toru Yamashita, Kota Sato, Mami Takemoto, Koji Abe
AIM: To evaluate the therapeutic effects of switching from one acetylcholinesterase inhibitor (ChEI), donepezil, galantamine or rivastigmine, to another in Alzheimer's disease patients. METHODS: We retrospectively enrolled 171 Alzheimer's disease patients, whose ChEI medication was changed. The patients were evaluated on three major aspects of dementia - cognitive, affective and activities of daily living (ADL) measures - at 6 months (M) before the drug switch, at the time of drug switch (baseline), and at 3 M and 6 M after the drug switch...
January 6, 2017: Geriatrics & Gerontology International
https://www.readbyqxmd.com/read/28041618/pyogenic-ventriculitis-and-ventricular-empyema-associated-with-staphylococcus-pseudintermedius-in-a-puppy
#14
S A Headley, L G Pretto-Giordano, D F Nóbrega, C S Altrão, L A Villas-Boas, A A Alfieri, A P F R L Bracarense
A 40-day-old male, blue heeler puppy with hindlimb ataxia, nystagmus, apathy, motor incoordination and hyperaesthesia of the forelimbs died 3 days after the onset of clinical signs. Significant gross findings included cerebellar herniation, cerebral oedema and dilation of the third and right lateral cerebral ventricles due to the accumulation of a purulent exudate. Histopathological examination revealed pyogenic ventriculitis and purulent meningoencephalitis. Pure colonies of a coagulase-positive Staphylococcus were isolated from the purulent cerebral exudate...
December 29, 2016: Journal of Comparative Pathology
https://www.readbyqxmd.com/read/28039296/effectiveness-of-senior-dance-on-risk-factors-for-falls-in-older-adults-danse-a-study-protocol-for-a-randomised-controlled-trial
#15
Marcia R Franco, Catherine Sherrington, Anne Tiedemann, Leani S Pereira, Monica R Perracini, Claudia R S Faria, Rafael Z Pinto, Carlos M Pastre
INTRODUCTION: Strong evidence shows that exercise is effective to improve fall risk factors among older people. However, older people's participation and adherence to exercise programmes is suboptimal. Type of exercise and apathy are reported to be barriers to exercise participation, suggesting that new effective interventions are needed. The primary aim of this randomised controlled trial is to investigate the effect of Senior Dance plus brief education for falls prevention on balance among people aged 60 years or over, compared with a control group receiving only brief education...
December 30, 2016: BMJ Open
https://www.readbyqxmd.com/read/28035924/the-effect-of-the-association-between-donepezil-and-choline-alphoscerate-on-behavioral-disturbances-in-alzheimer-s-disease-interim-results-of-the-ascomalva-trial
#16
Anna Carotenuto, Raffaele Rea, Enea Traini, Angiola Maria Fasanaro, Giovanna Ricci, Valentino Manzo, Francesco Amenta
BACKGROUND: Behavioral and psychological symptoms of dementia (BPSD) are a group of psychological reactions, psychiatric symptoms, and behaviors commonly found in Alzheimer's disease (AD). Four clusters of BPSD have been described: mood disorders (depression, anxiety, and apathy), psychotic symptoms (delusions and hallucinations), aberrant motor behaviors (pacing, wandering, and other purposeless behaviors), and inappropriate behaviors (agitation, disinhibition, and euphoria). Most of them are attributed to acetylcholine deficiency...
December 30, 2016: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/28018207/neural-correlates-for-apathy-frontal-prefrontal-and-parietal-cortical-subcortical-circuits
#17
REVIEW
Rita Moretti, Riccardo Signori
Apathy is an uncertain nosographical entity, which includes reduced motivation, abulia, decreased empathy, and lack of emotional involvement; it is an important and heavy-burden clinical condition which strongly impacts in everyday life events, affects the common daily living abilities, reduced the inner goal directed behavior, and gives the heaviest burden on caregivers. Is a quite common comorbidity of many neurological disease, However, there is no definite consensus on the role of apathy in clinical practice, no definite data on anatomical circuits involved in its development, and no definite instrument to detect it at bedside...
2016: Frontiers in Aging Neuroscience
https://www.readbyqxmd.com/read/28017247/clinical-characteristics-of-parkinsonism-in-frontotemporal-dementia-according-to-subtypes
#18
Hee Kyung Park, Kee Hyung Park, Bora Yoon, Jae-Hong Lee, Seong Hye Choi, Jee H Joung, Soo Jin Yoon, Byeong C Kim, Seung Hyun Kim, Eun-Joo Kim, Duk L Na, Kyung Won Park
BACKGROUND: We investigated the prevalence of parkinsonism in frontotemporal dementia (FTD) subtypes and the cognitive and behavioral differences between FTD with and without parkinsonism in a well-structured, prospective cohort. METHODS: One hundred and ninety-one FTD patients were enrolled and all patients underwent comprehensive neurological evaluations, neuropsychological tests, and the Unified Parkinson's Disease Rating Scale. RESULTS: The prevalence of parkinsonism was 38...
January 15, 2017: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/28017228/apomorphine-pump-in-advanced-parkinson-s-disease-effects-on-motor-and-nonmotor-symptoms-with-brain-metabolism-correlations
#19
Manon Auffret, Florence Le Jeune, Anne Maurus, Sophie Drapier, Jean-François Houvenaghel, Gabriel Hadrien Robert, Paul Sauleau, Marc Vérin
INTRODUCTION: Patients with advanced Parkinson's disease (PD) and contraindications for subthalamic nucleus deep brain stimulation (DBS) could particularly benefit from subcutaneous infusion therapy with apomorphine. This original study was designed to evaluate the general efficacy of add-on apomorphine in motor and nonmotor symptoms in advanced PD, while characterizing the changes induced in brain glucose metabolism. The aim was to look at the underlying anatomical-functional pathways...
January 15, 2017: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/28012952/frontotemporal-dementia-as-the-presenting-phenotype-of-p-a53t-mutation-carriers-in-the-alpha-synuclein-gene
#20
Anastasia Bougea, Christos Koros, Maria Stamelou, Athina Simitsi, Nikolaos Papagiannakis, Roubina Antonelou, Dimitra Papadimitriou, Marianthi Breza, Konstantinos Tasios, Stella Fragkiadaki, Xenia Geronicola Trapali, Mara Bourbouli, Georgios Koutsis, Sokratis G Papageorgiou, Elisabeth Kapaki, George P Paraskevas, Leonidas Stefanis
INTRODUCTION: The p.A53T point mutation in SNCA, the alpha-synuclein gene, has been linked to a rare dominant form of Parkinson's disease (PD). METHODS: Here, we describe two apparently unrelated cases of p.A53T (G209A) SNCA mutation carriers with an atypical initial manifestation and disease course. Moreover, cerebrospinal fluid (CSF) levels of tau, p-tau and amyloid Aβ42 were measured in these patients and in an additional cohort of 5 symptomatic and 2 asymptomatic p...
December 6, 2016: Parkinsonism & related Disorders
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