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https://www.readbyqxmd.com/read/29458114/severity-dependent-influence-of-isocapnic-hypoxia-on-reaction-time-is-independent-of-neurovascular-coupling
#1
Hannah G Caldwell, Geoff B Coombs, Michael M Tymko, Daniela Nowak-Flück, Philip N Ainslie
With exposure to acute normobaric hypoxia, global cerebral oxygen delivery is maintained via increases in cerebral blood flow (CBF); therefore, regional and localized changes in oxygen tension may explain neurocognitive impairment. Neurovascular coupling (NVC) is the close temporal and regional relationship of CBF to changes in neural activity and may aid in explaining the localized CBF response with cognitive activation. High-altitude related cognitive impairment is likely affected by hypocapnic cerebral vasoconstriction that may influence regional CBF regulation independent of hypoxia...
February 16, 2018: Physiology & Behavior
https://www.readbyqxmd.com/read/29458036/plasma-amyloid-levels-within-the-alzheimer-s-process-and-correlations-with-central-biomarkers
#2
Olivier Hanon, Jean-Sébastien Vidal, Sylvain Lehmann, Stéphanie Bombois, Bernadette Allinquant, Jean-Marc Tréluyer, Patrick Gelé, Christine Delmaire, Fredéric Blanc, Jean-François Mangin, Luc Buée, Jacques Touchon, Jacques Hugon, Bruno Vellas, Evelyne Galbrun, Athanase Benetos, Gilles Berrut, Elèna Paillaud, David Wallon, Giovanni Castelnovo, Lisette Volpe-Gillot, Marc Paccalin, Philippe-Henri Robert, Olivier Godefroy, Thierry Dantoine, Vincent Camus, Joël Belmin, Pierre Vandel, Jean-Luc Novella, Emmanuelle Duron, Anne-Sophie Rigaud, Suzanna Schraen-Maschke, Audrey Gabelle
BACKGROUNDS: Diagnostic relevance of plasma amyloid β (Aβ) for Alzheimer's disease (AD) process yields conflicting results. OBJECTIVES: To assess plasma levels of Aβ42 and Aβ40 in amnestic mild cognitive impairment (MCI), nonamnestic MCI, and AD patients and to investigate relationships between peripheral and central biomarkers. METHODS: One thousand forty participants (417 amnestic MCI, 122 nonamnestic MCI, and 501 AD) from the Biomarker of AmyLoïd pepTide and AlZheimer's diseAse Risk multicenter prospective study with cognition, plasma, cerebrospinal fluid (CSF), and magnetic resonance imaging assessments were included...
February 16, 2018: Alzheimer's & Dementia: the Journal of the Alzheimer's Association
https://www.readbyqxmd.com/read/29457916/systematic-review-of-psychiatric-signs-in-niemann-pick-disease-type-c
#3
Olivier Bonnot, Hans-Hermann Klünemann, Christian Velten, Juan Vicente Torres Martin, Mark Walterfang
OBJECTIVES: We conducted the first systematic literature review and analysis of psychiatric manifestations in Niemann-Pick disease type C (NPC) to describe: 1) time of occurrence of psychiatric manifestations relative to other disease manifestations; 2) frequent combinations of psychiatric, neurological and visceral disease manifestations. METHODS: A systematic EMBase literature search was conducted to identify, collate and analyze published data from patients with NPC associated with psychiatric symptoms, published between January 1967 and November 2015...
February 19, 2018: World Journal of Biological Psychiatry
https://www.readbyqxmd.com/read/29457783/cellular-senescence-in-brain-aging-and-neurodegenerative-diseases-evidence-and-perspectives
#4
Darren J Baker, Ronald C Petersen
Along with a general decline in overall health, most chronic degenerative human diseases are inherently associated with increasing age. Age-associated cognitive impairments and neurodegenerative diseases, such as Parkinson's and Alzheimer's diseases, are potentially debilitating conditions that lack viable options for treatment, resulting in a tremendous economic and societal cost. Most high-profile clinical trials for neurodegenerative diseases have led to inefficacious results, suggesting that novel approaches to treating these pathologies are needed...
February 19, 2018: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/29457672/gambling-related-cognitive-distortions-predict-level-of-function-among-us-veterans-seeking-treatment-for-gambling-disorders
#5
Steven D Shirk, Megan M Kelly, Shane W Kraus, Marc N Potenza, Kendra Pugh, Christopher Waltrous, Edward Federman, Christopher Krebs, Charles E Drebing
BACKGROUND AND OBJECTIVES: Gambling Disorder (GD) is characterized by recurrent gambling behavior that is associated with significant impairment and distress, high psychiatric comorbidities, and high functional disability. The military veteran population appears particularly susceptible to developing the disorder, but relatively little has been studied among this population. The purpose of the present study is to investigate the clinical psychopathologies and comorbidities of veterans seeking treatment for problem gambling and how problem gambling may impact functioning...
February 19, 2018: American Journal on Addictions
https://www.readbyqxmd.com/read/29457646/a-reexamination-of-the-cognitive-behavioral-model-of-chronic-fatigue-syndrome
#6
Madison Sunnquist, Leonard A Jason
OBJECTIVE: The cognitive behavioral model of chronic fatigue syndrome (CFS) suggests that cognitions and reduced activity level perpetuate the fatigue and impairment that individuals with CFS experience. The two empirical evaluations of this model resulted in conflicting findings. The current study examines the influence of case definition fulfillment on the applicability of this model to CFS. METHOD: A moderated mediation analysis was conducted on 990 individuals with CFS to reexamine the behavioral pathway of this model...
February 19, 2018: Journal of Clinical Psychology
https://www.readbyqxmd.com/read/29457555/encoding-of-distributional-regularities-independent-of-markedness-evidence-from-unimpaired-speakers
#7
Matthew Goldrick
Romani, Galuzzi, Guariglia, and Goslin (Comparing phoneme frequency, age of acquisition and loss in aphasia: Implications for phonological universals. Cognitive Neuropsychology) used speech error data from individuals with acquired impairments to argue that independent from articulatory complexity, within-language distributional regularities influence the processing of sound structure in speech production. Converging evidence from unimpaired speakers is reviewed, focusing on speech errors in language production...
October 2017: Cognitive Neuropsychology
https://www.readbyqxmd.com/read/29457477/enabling-choice-recovery-and-participation-evidence-based-early-intervention-support-for-psychosocial-disability-in-the-national-disability-insurance-scheme
#8
Laura Hayes, Lisa Brophy, Carol Harvey, Juan Jose Tellez, Helen Herrman, Eoin Killackey
OBJECTIVES: The aim of this study was to identify the most effective interventions for early intervention in psychosocial disability in the National Disability Insurance Scheme (NDIS) through an evidence review. METHODS: A series of rapid reviews were undertaken to establish possible interventions for psychosocial disability, to develop our understanding of early intervention criteria for the NDIS and to determine which interventions would meet these criteria. RESULTS: Three interventions (social skills training, supported employment and supported housing) have a strong evidence base for effectiveness in early intervention in people with psychosocial disability, with the potential for adoption by the NDIS...
February 1, 2018: Australasian Psychiatry: Bulletin of Royal Australian and New Zealand College of Psychiatrists
https://www.readbyqxmd.com/read/29457361/cognitive-function-and-unsafe-driving-acts-during-an-on-road-test-among-community-dwelling-older-adults-with-cognitive-impairments
#9
Ryo Hotta, Hyuma Makizako, Takehiko Doi, Kota Tsutsumimoto, Sho Nakakubo, Keitaro Makino, Hiroyuki Shimada
AIM: To examine the relationship between cognitive function and unsafe driving acts among community-dwelling older adults with cognitive impairments. METHODS: Participants (n = 160) were older residents of Obu, Japan, aged ≥65 years with cognitive impairments. They regularly drove and were assessed for the number of unsafe driving acts without adequate verification during an on-road test. We also evaluated cognitive function (attention, executive function and processing speed)...
February 19, 2018: Geriatrics & Gerontology International
https://www.readbyqxmd.com/read/29457233/market-language-moral-language
#10
Susan Dorr Goold
Those who advocate higher out-of-pocket spending, especially high deductibles, to keep health care costs better controlled without losing quality use market language to talk about how people should think about health care. Consumers-that is, patients-should hunt for bargains. Clip coupons. Shop around. Patients need to have more "skin in the game." Consumer-patients will then choose more carefully and prudently and use less unnecessary health care. Unfailingly, "skin" refers to having money at stake...
January 2018: Hastings Center Report
https://www.readbyqxmd.com/read/29457131/keeping-an-eye-on-bardet-biedl-syndrome-a-comprehensive-review-of-the-role-of-bardet-biedl-syndrome-genes-in-the-eye
#11
Katie Weihbrecht, Wesley A Goar, Thomas Pak, Janelle E Garrison, Adam P DeLuca, Edwin M Stone, Todd E Scheetz, Val C Sheffield
Upwards of 90% of individuals with Bardet-Biedl syndrome (BBS) display rod-cone dystrophy with early macular involvement. BBS is an autosomal recessive, genetically heterogeneous, pleiotropic ciliopathy for which 21 causative genes have been discovered to date. In addition to retinal degeneration, the cardinal features of BBS include obesity, cognitive impairment, renal anomalies, polydactyly, and hypogonadism. Here, we review the genes, proteins, and protein complexes involved in BBS and the BBS model organisms available for the study of retinal degeneration...
September 2017: Medical Research Archives
https://www.readbyqxmd.com/read/29456984/the-efficacy-of-internet-based-cognitive-behavioral-therapy-on-the-anxiety-disorders-among-adolescent-girls
#12
Afsaneh Karbasi, Azadeh Haratian
Background: The prevalence of anxiety disorders among children and adolescents are found to be approximately between 8-12 and 5-10, respectively, and the long-lasting effects of such disorders can expose the sufferers to impairment and dysfunction in several areas of life the examples of which are poor educational performance, low self-esteem, and depression. The present study aims to evaluate the efficacy of internet-based, cognitive-behavioral therapy (ICBT) in treating the anxiety disorders among adolescent females...
2018: Advanced Biomedical Research
https://www.readbyqxmd.com/read/29456514/right-frontotemporal-cortex-mediates-the-relationship-between-cognitive-insight-and-subjective-quality-of-life-in-patients-with-schizophrenia
#13
Shenghong Pu, Kazuyuki Nakagome, Masashi Itakura, Hiroaki Ohtachi, Masaaki Iwata, Izumi Nagata, Koichi Kaneko
Although prior studies identified a relationship between cognitive insight and subjective quality of life (QOL) in patients with schizophrenia, the brain regions mediating this relationship remain unknown. Recent studies have shown that the ventrolateral prefrontal cortex may be particularly important for cognitive insight in individuals with schizophrenia. Here, we examined whether frontotemporal function mediates the relationship between cognitive insight and QOL in 64 participants, including 32 patients with schizophrenia and 32 healthy controls...
2018: Frontiers in Psychiatry
https://www.readbyqxmd.com/read/29456504/a-review-on-central-nervous-system-effects-of-gastrodin
#14
REVIEW
Yuan Liu, Jialiang Gao, Min Peng, Hongyan Meng, Hongbo Ma, Pingping Cai, Yuan Xu, Qiong Zhao, Guomin Si
Rhizoma Gastrodiae (also known as Tian ma ), the dried rhizome of Gastrodia elata Blume, is a famous Chinese herb that has been traditionally used for the treatment of headache, dizziness, spasm, epilepsy, stoke, amnesia and other disorders for centuries. Gastrodin, a phenolic glycoside, is the main bioactive constituent of Rhizoma Gastrodiae . Since identified in 1978, gastrodin has been extensively investigated on its pharmacological properties. In this article, we reviewed the central nervous system (CNS) effects of gastrodin in preclinical models of CNS disorders including epilepsy, Alzheimer's disease, Parkinson's disease, affective disorders, cerebral ischemia/reperfusion, cognitive impairment as well as the underlying mechanisms involved and, where possible, clinical data that support the pharmacological activities...
2018: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/29456500/auditory-memory-decay-as-reflected-by-a-new-mismatch-negativity-score-is-associated-with-episodic-memory-in-older-adults-at-risk-of-dementia
#15
Daria Laptinskaya, Franka Thurm, Olivia C Küster, Patrick Fissler, Winfried Schlee, Stephan Kolassa, Christine A F von Arnim, Iris-Tatjana Kolassa
The auditory mismatch negativity (MMN) is an event-related potential (ERP) peaking about 100-250 ms after the onset of a deviant tone in a sequence of identical (standard) tones. Depending on the interstimulus interval (ISI) between standard and deviant tones, the MMN is suitable to investigate the pre-attentive auditory discrimination ability (short ISIs, ≤ 2 s) as well as the pre-attentive auditory memory trace (long ISIs, >2 s). However, current results regarding the MMN as an index for mild cognitive impairment (MCI) and dementia are mixed, especially after short ISIs: while the majority of studies report positive associations between the MMN and cognition, others fail to find such relationships...
2018: Frontiers in Aging Neuroscience
https://www.readbyqxmd.com/read/29456478/proximal-deletion-of-6q-overlapping-with-toriello-carey-facial-phenotype-prenatal-findings-clinical-course-differential-diagnosis-and-review
#16
Sofía Catena, Mariana Aracena, Óscar Pizarro, Karena Espinoza, Guillermo Lay-Son
Proximal deletion of 6q is a relatively rare chromosomal abnormality. Reported patients have deletions of different sizes but share partial overlap and present with similar clinical features, and some of them were described prior to the introduction of chromosome microarrays. We describe a male patient with prenatal sonographic findings of nuchal edema, intrauterine growth restriction, renal pelvis dilatation, and oligohydramnios. At birth, facial dysmorphism, retro/micrognathia, a short and wide neck as well as cardiovascular and renal anomalies were noted...
December 2017: Molecular Syndromology
https://www.readbyqxmd.com/read/29456127/neurocognitive-disorder-in-hypertensive-patients-heart-brain-study
#17
A Vicario, G H Cerezo, M Del Sueldo, J Zilberman, S M Pawluk, N Lódolo, A E De Cerchio, R M Ruffa, R Plunkett, M E Giuliano, P Forcada, S Hauad, R Flores
The relation between hypertension and cognitive impairment is an undisputable fact. The aims of this study were to determine the prevalence of cognitive impairment in hypertensive patients, to identify the most affected cognitive domain, and to observe the association with different parameters of hypertension and other vascular risk factors. A multicentre study was carried out, and 1281 hypertensive patients of both genders and ≥21 years of age were included. Data on the following parameters were obtained: cognitive status (Minimal Cognitive Examination), behavioural status (Hospital Anxiety and Depression Scale), blood pressure, anthropometry, and biochemical profile...
February 15, 2018: Hipertensión y Riesgo Vascular
https://www.readbyqxmd.com/read/29455947/the-neural-exploitation-hypothesis-and-its-implications-for-an-embodied-approach-to-language-and-cognition-insights-from-the-study-of-action-verbs-processing-and-motor-disorders-in-parkinson-s-disease
#18
REVIEW
Vittorio Gallese, Valentina Cuccio
As it is widely known, Parkinson's disease is clinically characterized by motor disorders such as the loss of voluntary movement control, including resting tremor, postural instability, and bradykinesia (Bocanegra et al., 2015; Helmich, Hallett, Deuschl, Toni, & Bloem, 2012; Liu et al., 2006; Rosin, Topka, & Dichgans, 1997). In the last years, many empirical studies (e.g., Bocanegra et al., 2015; Spadacenta et al., 2012) have also shown that the processing of action verbs is selectively impaired in patients affected by this neurodegenerative disorder...
February 2, 2018: Cortex; a Journal Devoted to the Study of the Nervous System and Behavior
https://www.readbyqxmd.com/read/29455617/the-role-of-premorbid-adjustment-in-schizophrenia-focus-on-cognitive-remediation-outcome
#19
Mariachiara Buonocore, Francesca Bosinelli, Margherita Bechi, Marco Spangaro, Marco Piantanida, Federica Cocchi, Laura Bianchi, Carmelo Guglielmino, Antonella Rita Mastromatteo, Roberto Cavallaro, Marta Bosia
Premorbid adjustment has been associated with several outcomes in schizophrenia and has been proposed as an index of cognitive reserve. This study aims to comprehensively analyse the relation between premorbid adjustment and clinical, neurocognitive, socio-cognitive and functional assessments, as well as to investigate the effect of premorbid adjustment on cognitive improvements after a cognitive remediation therapy protocol. Seventy-nine clinically stabilised outpatients with schizophrenia underwent a combined intervention consisting of cognitive remediation therapy added to standard rehabilitation therapy...
February 19, 2018: Neuropsychological Rehabilitation
https://www.readbyqxmd.com/read/29455576/central-infusion-of-igf-1-increases-hippocampal-neurogenesis-and-improves-neurobehavioral-function-following-traumatic-brain-injury
#20
Shaun W Carlson, Kathryn E Saatman
Traumatic brain injury (TBI) produces neuronal dysfunction and cellular loss that can culminate in lasting impairments in cognitive and motor abilities. Therapeutic agents that promote repair and replenish neurons after TBI hold promise in improving recovery of function. Insulin-like growth factor-1 (IGF-1) is a neurotrophic factor capable of mediating neuroprotective and neuroplasticity mechanisms. Targeted overexpression of IGF-1 enhances the generation of hippocampal newborn neurons in brain-injured mice; however, the translational neurogenic potential of exogenously administered IGF-1 after TBI remains unknown...
February 17, 2018: Journal of Neurotrauma
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