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Cognitive—Communicative Disorders

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https://www.readbyqxmd.com/read/29352668/the-effect-of-single-and-repeated-prefrontal-intermittent-theta-burst-stimulation-on-cortical-reactivity-and-working-memory
#1
Sung Wook Chung, Nigel C Rogasch, Kate E Hoy, Paul B Fitzgerald
BACKGROUND: With an increasing interest in the use of theta burst stimulation (TBS) as a cognitive enhancer and a potential therapeutic tool for psychiatric disorders, there is a need to identify optimal parameters of TBS in the prefrontal cortex. OBJECTIVE/HYPOTHESIS: This study examined the effect of two blocks of prefrontal intermittent TBS (iTBS) on cortical reactivity and working memory performance, compared to one block of iTBS and sham stimulation. We hypothesized that greater cortical effects would be obtained with two blocks of iTBS...
January 8, 2018: Brain Stimulation
https://www.readbyqxmd.com/read/29352559/reward-related-cognitive-vulnerability-to-bipolar-spectrum-disorders
#2
Lauren B Alloy, Robin Nusslock
No abstract text is available yet for this article.
February 2018: World Psychiatry: Official Journal of the World Psychiatric Association (WPA)
https://www.readbyqxmd.com/read/29352540/insight-in-schizophrenia-spectrum-disorders-relationship-with-behavior-mood-and-perceived-quality-of-life-underlying-causes-and-emerging-treatments
#3
Paul H Lysaker, Michelle L Pattison, Bethany L Leonhardt, Scott Phelps, Jenifer L Vohs
Poor insight in schizophrenia is prevalent across cultures and phases of illness. In this review, we examine the recent research on the relationship of insight with behavior, mood and perceived quality of life, on its complex roots, and on the effects of existing and emerging treatments. This research indicates that poor insight predicts poorer treatment adherence and therapeutic alliance, higher symptom severity and more impaired community function, while good insight predicts a higher frequency of depression and demoralization, especially when coupled with stigma and social disadvantage...
February 2018: World Psychiatry: Official Journal of the World Psychiatric Association (WPA)
https://www.readbyqxmd.com/read/29352445/effect-of-sevoflurane-anesthesia-on-brain-is-mediated-by-lncrna-hotair
#4
Jian-Yue Wang, Yong Feng, Yan-Hong Fu, Guang-Li Liu
Postoperative cognitive dysfunction in elderly patients has been related to neurodegenerative disorders and mortality. Sevoflurane anesthesia has been implicated in both postoperative cognitive dysfunction and neurotoxicity. Given the advantages of using inhaled anesthetics like sevoflurane, it is important to understand how their usage results in neurotoxicity and subsequently devise ways to circumvent or attenuate the anesthetic-mediated induction in neurotoxicity. Long noncoding RNAs (LncRNAs) are a group of > 200 bp long RNAs and show specific spatiotemporal expression profiles...
January 19, 2018: Journal of Molecular Neuroscience: MN
https://www.readbyqxmd.com/read/29352154/resting-state-brain-networks-in-the-prairie-vole
#5
Juan J Ortiz, Wendy Portillo, Raul G Paredes, Larry J Young, Sarael Alcauter
Resting state functional magnetic resonance imaging (rsfMRI) has shown the hierarchical organization of the human brain into large-scale complex networks, referred as resting state networks. This technique has turned into a promising translational research tool after the finding of similar resting state networks in non-human primates, rodents and other animal models of great value for neuroscience. Here, we demonstrate and characterize the presence of resting states networks in Microtus ochrogaster, the prairie vole, an extraordinary animal model to study complex human-like social behavior, with potential implications for the research of normal social development, addiction and neuropsychiatric disorders...
January 19, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29352126/role-of-subcortical-structures-on-cognitive-and-social-function-in-schizophrenia
#6
Daisuke Koshiyama, Masaki Fukunaga, Naohiro Okada, Fumio Yamashita, Hidenaga Yamamori, Yuka Yasuda, Michiko Fujimoto, Kazutaka Ohi, Haruo Fujino, Yoshiyuki Watanabe, Kiyoto Kasai, Ryota Hashimoto
Subcortical regions have a pivotal role in cognitive, affective, and social functions in humans, and the structural and functional abnormalities of the regions have been associated with various psychiatric disorders. Although previous studies focused on the neurocognitive and socio-functional consequences of prefrontal and tempolo-limbic abnormalities in psychiatric disorders, those of subcortical structures remain largely unknown. Recently, MRI volume alterations in subcortical structures in patients with schizophrenia have been replicated in large-scale meta-analytic studies...
January 19, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29352102/teenage-onset-progressive-myoclonic-epilepsy-due-to-a-familial-c9orf72-repeat-expansion
#7
Jelle van den Ameele, Ivana Jedlickova, Anna Pristoupilova, Anne Sieben, Sara Van Mossevelde, Chantal Ceuterick-de Groote, Helena Hůlková, Radoslav Matej, Alfred Meurs, Christine Van Broeckhoven, Samuel F Berkovic, Patrick Santens, Stanislav Kmoch, Bart Dermaut
BACKGROUND: The progressive myoclonic epilepsies (PME) are a heterogeneous group of disorders in which a specific diagnosis cannot be made in a subset of patients, despite exhaustive investigation. C9orf72 repeat expansions are emerging as an important causal factor in several adult-onset neurodegenerative disorders, in particular frontotemporal lobar degeneration and amyotrophic lateral sclerosis. An association with PME has not been reported previously. OBJECTIVE: To identify the causative mutation in a Belgian family where the proband had genetically unexplained PME...
January 19, 2018: Neurology
https://www.readbyqxmd.com/read/29352032/the-surprising-subtleties-of-changing-fear-memory-a-challenge-for-translational-science
#8
REVIEW
Merel Kindt
Current pharmacological and psychological treatments for disorders of emotional memory only dampen the affective response while leaving the original fear memory intact. Under adverse circumstances, these original memories regain prominence, causing relapses in many patients. The (re)discovery in neuroscience that after reactivation consolidated fear memories may return to a transient labile state, requiring a process of restabilization in order to persist, offers a window of opportunity for modifying fear memories with amnestic agents...
March 19, 2018: Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences
https://www.readbyqxmd.com/read/29352025/state-of-the-art-and-future-directions-for-extinction-as-a-translational-model-for-fear-and-anxiety
#9
REVIEW
Michelle G Craske, Dirk Hermans, Bram Vervliet
Through advances in both basic and clinical scientific research, Pavlovian fear conditioning and extinction have become an exemplary translational model for understanding and treating anxiety disorders. Discoveries in associative and neurobiological mechanisms underlying extinction have informed techniques for optimizing exposure therapy that enhance the formation of inhibitory associations and their consolidation and retrieval over time and context. Strategies that enhance formation include maximizing prediction-error correction by violating expectancies, deepened extinction, occasional reinforced extinction, attentional control and removal of safety signals/behaviours...
March 19, 2018: Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences
https://www.readbyqxmd.com/read/29351787/scl20a2-mutation-presenting-with-acute-ischemic-stroke-a-case-report
#10
Xiaoyu Zhang, Gaoting Ma, Zhangning Zhao, Meijia Zhu
BACKGROUND: Primary familial brain calcification (PFBC) is a rare disorder characterized by distinctive bilateral brain calcification and variable clinical presentations. However, cerebrovascular attack was rarely reported in PFBC patients. We here reported a SLC20A2 mutation patient presenting with acute ischemic stroke. CASE PRESENTATION: A 56 years old man was transferred to our hospital because of 6 days of melena and 3 days of somnolence, agitation and mood changes...
January 19, 2018: BMC Neurology
https://www.readbyqxmd.com/read/29351781/mindmap-establishing-an-integrated-database-infrastructure-for-research-in-ageing-mental-well-being-and-the-urban-environment
#11
Mariëlle A Beenackers, Dany Doiron, Isabel Fortier, J Mark Noordzij, Erica Reinhard, Emilie Courtin, Martin Bobak, Basile Chaix, Giuseppe Costa, Ulrike Dapp, Ana V Diez Roux, Martijn Huisman, Emily M Grundy, Steinar Krokstad, Pekka Martikainen, Parminder Raina, Mauricio Avendano, Frank J van Lenthe
BACKGROUND: Urbanization and ageing have important implications for public mental health and well-being. Cities pose major challenges for older citizens, but also offer opportunities to develop, test, and implement policies, services, infrastructure, and interventions that promote mental well-being. The MINDMAP project aims to identify the opportunities and challenges posed by urban environmental characteristics for the promotion and management of mental well-being and cognitive function of older individuals...
January 19, 2018: BMC Public Health
https://www.readbyqxmd.com/read/29351711/-beck-anxiety-inventory-german-version-a-reliable-valid-patientfriendly-instrument-for-measuring-clinical-anxiety
#12
Edgar Geissner, Anne Huetteroth
The Beck Anxiety Inventory (BAI) is available in German. Apart from data in its manual, there are no further reports on the psychometric properties of this questionnaire and on its suitability for clinical use in Germany. This study therefore offers an independent investigation into the psychometrics as well as the clinical characteristics of the BAI. Three samples with n=145, n=90, and n=174 comprised inpatients diagnosed with anxiety disorders and treated in a large psychosomatic hospital. In addition to the BAI, the clinician rating Hamilton Anxiety Scale (HamA), the State-Trait-Anxiety Inventory (STAI) as well as the two anxiety subscales of the Symptom Checklist 90 (SCL 90) were used to establish convergent validity...
January 19, 2018: Psychotherapie, Psychosomatik, Medizinische Psychologie
https://www.readbyqxmd.com/read/29351000/age-effects-on-cerebral-oxygenation-and-behavior-in-children-with-sleep-disordered-breathing
#13
Knarik Tamanyan, Lisa M Walter, Aidan Weichard, Margot J Davey, Gillian M Nixon, Sarah N Biggs, Rosemary Sc Horne
RATIONALE: Childhood sleep disordered breathing ranges in severity from primary snoring to obstructive sleep apnea and is associated with behavioral and neurocognitive deficits. It remains unknown why children with primary snoring, who do not experience peripheral oxygen desaturation or sleep fragmentation, experience similar daytime deficits as those with obstructive sleep apnea or why effects are age dependent. OBJECTIVE: To examine cerebral tissue oxygenation and oxygen extraction as an explanation for daytime deficits in children with primary snoring...
January 19, 2018: American Journal of Respiratory and Critical Care Medicine
https://www.readbyqxmd.com/read/29350764/the-protective-effect-of-antarctic-krill-oil-on-cognitive-function-by-inhibiting-oxidative-stress-in-the-brain-of-senescence-accelerated-prone-mouse-strain-8-samp8-mice
#14
Qian Li, Fengjuan Wu, Min Wen, Teruyoshi Yanagita, Changhu Xue, Tiantian Zhang, Yuming Wang
Alzheimer's disease (AD) is a common neurodegenerative disorder, and oxidative stress plays a vital role in its progression. Antarctic krill oil (AKO) is rich in polyunsaturated fatty acids, which has various biological activities, such as improving insulin sensitivity, alleviating inflammation and ameliorating oxidative stress. In this study, the protective effect of AKO against AD were investigated in senescence-accelerated prone mouse strain 8 (SAMP8) mice. Results showed that treatment with AKO could effectively ameliorate learning and memory deficits and ease the anxiety in SAMP8 mice by Morris water maze, Barnes maze test and open-field test...
January 19, 2018: Journal of Food Science
https://www.readbyqxmd.com/read/29350085/divergent-classification-methods-of-post-concussion-syndrome-after-mild-traumatic-brain-injury-prevalence-rates-risk-factors-and-functional-outcome
#15
Daphne Cloë Voormolen, Maryse C Cnossen, Suzanne Polinder, Nicole von Steinbuechel, Pieter E Vos, Juanita Antje Haagsma
Mild Traumatic Brian Injury (mTBI) is a common diagnosis and approximately one third of mTBI patients experience a variety of cognitive, emotional, psychosocial and behavioral post-concussion symptoms. When a cluster of these symptoms persists for more than three months they are often classified as post-concussion syndrome (PCS). The objective of this study was to determine prevalence rates, risk factors and functional outcome associated with PCS six months after mTBI applying divergent classification methods...
January 19, 2018: Journal of Neurotrauma
https://www.readbyqxmd.com/read/29349929/severity-of-cognitive-disability-and-mental-health-court-determinations-about-fitness-to-stand-trial
#16
J T Young, F J Davis, S Wardale, M Vassos, K van Dooren, K Nankervis, N G Lennox
BACKGROUND: Little is known about the socio-demographic, clinical and legal determinants of mental health court decisions of unsoundness of mind and unfitness to stand trial for people with cognitive disability. We aimed to estimate the association between severity of cognitive disability and mental health court determinations of unsoundness or unfitness and describe the socio-demographic, clinical and legal factors that predict these determinations. METHODS: Case file data were extracted on 92 individuals who had a criminal case referred to the Queensland Mental Health Court between 1 January 2013 and 31 December 2014 due to cognitive disability...
February 2018: Journal of Intellectual Disability Research: JIDR
https://www.readbyqxmd.com/read/29349659/-self-and-informant-rating-mood-scales-applied-in-elderly-persons-with-alzheimer-s-dementia-with-or-without-a%C3%A2-language-disorder
#17
Margina Yildirim-Gorter, Djahill Groot, Linda Hermens, Han Diesfeldt, Erik Scherder
INTRODUCTION: Alzheimer's Dementia (AD) may be associated with symptoms of depression. In AD, problems of language expression or understanding will arise sooner or later. The aim of this study was to determine whether elderly persons with AD, with or without a language disorder, experience difficulties understanding and answering mood related questions. In addition to this, it was our object to test the validity of the answers of nurses as informants, on the mood of an elderly client...
January 18, 2018: Tijdschrift Voor Gerontologie en Geriatrie
https://www.readbyqxmd.com/read/29349556/neuropathology-correlates-of-cognitive-assessments
#18
Francesca M Brett, Hugh Kearney
BACKGROUND: Alzheimer's disease and other dementias are the fourth largest contributors to neurological disability and the second largest contributor to deaths from neurological disease. Described in the 1980s as 'the silent epidemic' these disorders principally, though not exclusively, affect persons 80 years or older, and in developed countries, this 'old old' population continues to grow. Definitive diagnosis of the underlying cause of the neurodegenerative disease relies on neuropathological evaluation...
January 18, 2018: Irish Journal of Medical Science
https://www.readbyqxmd.com/read/29349349/a-retrospective-analysis-of-outpatient-anesthesia-management-for-dental-treatment-of-patients-with-severe-alzheimer-s-disease
#19
Eunsun So, Hyun Jeong Kim, Myong-Hwan Karm, Kwang-Suk Seo, Juhea Chang, Joo Hyung Lee
Background: The number of patients with Alzheimer's disease is growing worldwide, and the proportion of patients requiring dental treatment under general anesthesia increases with increasing severity of the disease. However, outpatient anesthesia management for these patients involves great risks, as most patients with Alzheimer's disease are old and may show reduced cardiopulmonary functions and have cognitive disorders. Methods: This study retrospectively investigated 43 patients with Alzheimer's disease who received outpatient anesthesia for dental treatment between 2012-2017...
December 2017: Journal of Dental Anesthesia and Pain Medicine
https://www.readbyqxmd.com/read/29348375/-suspected-non-alzheimer-s-disease-pathophysiology-snap-and-its-pathological-backgrounds-in-the-diagnosis-of-preclinical-and-clinical-alzheimer-s-disease
#20
Masahito Yamada
Suspected non-Alzheimer's disease pathophysiology (SNAP) is a biomarker-based condition that is found in individuals with normal levels of amyloid-β protein (Aβ) markers (A-) and abnormal levels of markers of neurodegeneration or neuronal injury (N+). SNAP is found in 20-26% of cognitively normal (CN) individuals aged 65 years or older and 17-35% of individuals with mild cognitive impairment (MCI). Similarly, 7-39% of patients with clinically probable Alzheimer's disease (AD) dementia are negative for Aβ...
January 2018: Brain and Nerve, Shinkei Kenkyū No Shinpo
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