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https://www.readbyqxmd.com/read/29053942/do-elite-breath-hold-divers-suffer-from-mild-short-term-memory-impairments
#1
François Billaut, Patrice Gueit, Sylvane Faure, Guillaume Costalat, Frédéric Lemaitre
Repeated apneas are associated with severe hypoxemia that may ultimately lead to loss of consciousness in some breath-hold divers. Despite increasing number of practitioners, the relationship between apnea-induced hypoxia and neurocognitive functions is still poorly understood in the sport of free diving. To shed light onto this phenomenon, we examined the impact of long-term breath-hold diving training on attentional processing, short-term memory, and long-term mnesic and executive functions. Thirty-six men matched for age, height and weight were separated into three groups [12 elite breath-hold divers (EBHD, mean static apnea best time 371 sec, 105 months mean apnea experience); 12 novice breath-hold divers (NBHD, mean best time 243 sec, 8...
October 20, 2017: Applied Physiology, Nutrition, and Metabolism, Physiologie Appliquée, Nutrition et Métabolisme
https://www.readbyqxmd.com/read/29053742/are-current-chronic-fatigue-syndrome-criteria-diagnosing-different-disease-phenotypes
#2
Laura Maclachlan, Stuart Watson, Peter Gallagher, Andreas Finkelmeyer, Leonard A Jason, Madison Sunnquist, Julia L Newton
IMPORTANCE: Chronic fatigue syndrome (CFS) is characterised by a constellation of symptoms diagnosed with a number of different polythetic criteria. Heterogeneity across these diagnostic criteria is likely to be confounding research into the as-yet-unknown pathophysiology underlying this stigmatised and debilitating condition and may diagnose a disease spectrum with significant implications for clinical management. No studies to date have objectively investigated this possibility using a validated measure of CFS symptoms-the DePaul Symptom Questionnaire (DSQ)...
2017: PloS One
https://www.readbyqxmd.com/read/29053485/the-effects-of-electroconvulsive-therapy-augmentation-of-antipsychotic-treatment-on-cognitive-functions-in-patients-with-treatment-resistant-schizophrenia
#3
Bjanka Vuksan Ćusa, Nataša Klepac, Nenad Jakšić, Zoran Bradaš, Marija Božičević, Natalia Palac, Marina Šagud
OBJECTIVES: Treatment-resistant schizophrenia (TRS) continues to be a challenge in modern psychiatry. Most of these patients have severe neurocognitive deficits. Electroconvulsive therapy (ECT) has proved effective and safe in the treatment of TRS, but because of potential neurocognitive adverse effects, it is associated with many controversies. The aim of this prospective, open study was to evaluate the effects of ECT augmentation of antipsychotics on cognitive functions in patients with TRS...
October 19, 2017: Journal of ECT
https://www.readbyqxmd.com/read/29052729/consonant-age-of-acquisition-effects-in-nonword-repetition-are-not-articulatory-in-nature
#4
Michelle W Moore, Julie A Fiez, Connie A Tompkins
Purpose: Most research examining long-term-memory effects on nonword repetition (NWR) has focused on lexical-level variables. Phoneme-level variables have received little attention, although there are reasons to expect significant sublexical effects in NWR. To further understand the underlying processes of NWR, this study examined effects of sublexical long-term phonological knowledge by testing whether performance differs when the stimuli comprise consonants acquired later versus earlier in speech development...
October 19, 2017: Journal of Speech, Language, and Hearing Research: JSLHR
https://www.readbyqxmd.com/read/29052656/initial-efficacy-testing-of-an-autobiographical-memory-intervention-on-advance-care-planning-for-patients-with-terminal-cancer
#5
Cheryl Brohard
PURPOSE/OBJECTIVES: To test the efficacy of a novel intervention to facilitate advance care planning.
. DESIGN: Exploratory, quasiexperimental pilot study with two independent groups.
. SETTING: A large hospice located in the southwestern United States. 
. SAMPLE: A convenience sample of 50 participants with terminal cancer enrolled in hospice.
. METHODS: An autobiographical memory (ABM) intervention used the participants' experiences with cancer and end of life for the purpose of directing advance care planning...
November 1, 2017: Oncology Nursing Forum
https://www.readbyqxmd.com/read/29052464/longitudinal-study-of-objective-and-subjective-cognitive-performance-and-psychological-distress-in-oef-oif-veterans-with-and-without-traumatic-brain-injury
#6
Kerry Donnelly, James P Donnelly, Gary C Warner, C James Kittleson, Paul R King
OBJECTIVE: To describe changes in post-deployment objective and subjective cognitive performance in combat Veterans over 18 months, relative to traumatic brain injury (TBI) status and psychological distress. METHOD: This prospective cohort study examined 500 Veterans from Upstate New York at four time points, six months apart. TBI status was determined by a structured clinical interview. Neuropsychological instruments focused on attention, memory, and executive functions...
October 20, 2017: Clinical Neuropsychologist
https://www.readbyqxmd.com/read/29052112/divergences-in-learning-and-memory-among-wild-zebrafish-do-sex-and-body-size-play-a-role
#7
Tamal Roy, Anuradha Bhat
Given its diverse ecological distribution, zebrafish has great potential for investigations on the effect of habitat characteristics on cognition. Studies were conducted on four wild-caught zebrafish populations to understand the role of native habitat, sex, and body size in determining learning through a novel task associated with a food reward. The habitat variables, namely, the relative abundances of zebrafish and predatory fish and the substrate and vegetation diversity, were quantified during fish sampling...
October 19, 2017: Learning & Behavior
https://www.readbyqxmd.com/read/29052076/-e-2-methoxy-4-3-4-methoxyphenyl-prop-1-en-1-yl-phenol-ameliorates-lps-mediated-memory-impairment-by-inhibition-of-stat3-pathway
#8
Ji Yeon Choi, Chul Ju Hwang, Do Yeon Lee, Sun Mi Gu, Hee Pom Lee, Dong Young Choi, Ki Wan Oh, Sang-Bae Han, Jin Tae Hong
Alzheimer's disease (AD) is pathologically characterized by an excessive accumulation of amyloid-beta (Aβ) fibrils within the brain. We tested the anti-inflammatory and anti-amyloidogenic effects of (E)-2-methoxy-4-(3-(4-methoxyphenyl) prop-1-en-1-yl) phenol (MMPP), a selective signal transducer and activator of transcription 3 (STAT3) inhibitor. We examined whether MMPP (5 mg/kg in drinking water for 1 month) prevents amyloidogenesis and cognitive impairment on AD model mice induced by intraperitoneal LPS (250 μg/kg daily 7 times) injections...
October 19, 2017: Neuromolecular Medicine
https://www.readbyqxmd.com/read/29051175/associations-between-residual-depressive-symptoms-cognition-and-functioning-in-patients-with-euthymic-bipolar-disorder-results-from-the-face-bd-cohort
#9
Paul Roux, Aurélie Raust, Anne-Sophie Cannavo, Valérie Aubin, Bruno Aouizerate, Jean-Michel Azorin, Frank Bellivier, Raoul Belzeaux, Thierry Bougerol, Iréna Cussac, Philippe Courtet, Bruno Etain, Sébastien Gard, Sophie Job, Jean-Pierre Kahn, Marion Leboyer, Emilie Olié, Chantal Henry, Christine Passerieux
BackgroundThe relationship between residual depressive symptoms, cognition and functioning in patients with euthymic bipolar disorder is a subject of debate.AimsTo assess whether cognition mediates the association between residual depressive symptoms and functioning in patients with bipolar disorder who were euthymic.MethodWe included 241 adults with euthymic bipolar disorder in a multicentre cross-sectional study. We used a battery of tests to assess six cognition domains. A path analysis was then used to perform a mediation analysis of the relationship between residual depressive symptoms, cognitive components and functioning...
October 19, 2017: British Journal of Psychiatry: the Journal of Mental Science
https://www.readbyqxmd.com/read/29050859/neuroprotective-effects-of-a-triple-glp-1-gip-glucagon-receptor-agonist-in-the-app-ps1-transgenic-mouse-model-of-alzheimer-s-disease
#10
Jingjing Tai, Weizhen Liu, Yanwei Li, Lin Li, Christian Hölscher
Type 2 diabetes mellitus (T2DM) is a risk factor for Alzheimer disease (AD). Previous studies have shown that the incretin hormones glucagon-like peptide-1 (GLP-1) and glucose-dependent insulinotropic polypeptide (GIP) that have anti-diabetic properties show very promising effects in animal models of AD. Glucagon (Gcg) is a hormone and growth-factor, and the Gcg receptor is expressed in the brain. Here we test the effects of a triple receptor agonist (TA), which activates GIP-1, GIP and glucagon receptors at the same time...
October 16, 2017: Brain Research
https://www.readbyqxmd.com/read/29049888/closing-in-behavior-compensation-or-attraction
#11
Elisabetta Ambron, Nicoletta Beschin, Chiara Cerrone, Sergio Della Sala
OBJECTIVE: Closing-in behavior (CIB) defines the abnormal misplacement of the copy performance, positioned very closed to or on the top of the model. This symptom is observed in graphic copying by patients suffering from different neurological diseases, most commonly dementia. The cognitive origins of this behavior are still a matter of investigation, and research of the last 10 years has been focused on exploring 2 main accounts of CIB, the compensation and the attraction hypotheses, providing evidence in both directions...
October 19, 2017: Neuropsychology
https://www.readbyqxmd.com/read/29049480/interpreting-biomarker-results-in-individual-patients-with-mild-cognitive-impairment-in-the-alzheimer-s-biomarkers-in-daily-practice-abide-project
#12
Ingrid S van Maurik, Marissa D Zwan, Betty M Tijms, Femke H Bouwman, Charlotte E Teunissen, Philip Scheltens, Mike P Wattjes, Frederik Barkhof, Johannes Berkhof, Wiesje M van der Flier
Importance: Biomarkers do not determine conversion to Alzheimer disease (AD) perfectly, and criteria do not specify how to take patient characteristics into account. Consequently, biomarker use may be challenging for clinicians, especially in patients with mild cognitive impairment (MCI). Objective: To construct biomarker-based prognostic models that enable determination of future AD dementia in patients with MCI. Design, Setting, and Participants: This study is part of the Alzheimer's Biomarkers in Daily Practice (ABIDE) project...
October 16, 2017: JAMA Neurology
https://www.readbyqxmd.com/read/29048606/contact-location-and-neuropsychological-outcomes-in-subthalamic-deep-brain-stimulation
#13
Darlene P Floden, Caio M Matias, Connor A Wathen, Grace E Ozinga, Olivia Hogue, Andre G Machado
BACKGROUND: A host of influences contribute to cognitive and behavioral changes following deep brain stimulation. The location of the active cathode is likely an important variable but it has received little attention. OBJECTIVE: To determine whether active contact location relative to the subthalamic nucleus and other neighboring structures is related to nonmotor outcomes. METHODS: We identified a retrospective, cross-sectional sample of 46 patients who underwent subthalamic nucleus deep brain stimulation for treatment of idiopathic Parkinson's disease...
October 18, 2017: Neurosurgery
https://www.readbyqxmd.com/read/29048410/executive-functioning-in-low-birth-weight-children-entering-kindergarten
#14
S E Miller, M D DeBoer, R J Scharf
OBJECTIVES: Poor executive functioning is associated with life-long difficulty. Identification of children at risk for executive dysfunction is important for early intervention to improve neurodevelopmental outcomes. STUDY DESIGN: This study is designed to examine relationships between birthweight and executive functioning in US children during kindergarten. Our hypothesis was that children with higher birthweights would have better executive function scores. We evaluated data from 17506 US children from the Early Childhood Longitudinal Study-Kindergarten 2011 cohort...
October 19, 2017: Journal of Perinatology: Official Journal of the California Perinatal Association
https://www.readbyqxmd.com/read/29048273/chiari-1000-registry-project-assessment-of-surgical-outcome-on-self-focused-attention-pain-and-delayed-recall
#15
P A Allen, D Delahanty, K P Kaut, X Li, M Garcia, J R Houston, D M Tokar, F Loth, J Maleki, S Vorster, M G Luciano
BACKGROUND: Prior research has typically found a negative relationship between chronic pain and memory, and we examined whether cognitive control processes (e.g. reflection and rumination) moderated this relationship in individuals with Chiari malformation Type I (CM). CM is a neurological condition in which the cerebellar tonsils descend into the medullary and upper cervical spine regions potentially resulting in severe headaches and neck pain. METHODS: CM patients who had (n = 341) and had not (n = 297) undergone decompression surgery completed the McGill Pain Questionnaire-Short Form-Revised (SF-MPQ-2), the Rey Auditory Verbal Learning Test (RAVLT), and the Rumination-Reflection Questionnaire (RRQ)...
October 19, 2017: Psychological Medicine
https://www.readbyqxmd.com/read/29047377/cognitive-impairment-profile-in-adult-patients-with-niemann-pick-type-c-disease
#16
Camille Heitz, Stéphane Epelbaum, Yann Nadjar
BACKGROUND: Cognitive impairment is one of the core symptoms of Niemann Pick type C (NPC) disease, but few data concerning the neuropsychological profile of NPC patients are available. The aim of our study was to characterize cognitive impairments in NPC disease and to assess the evolution of these symptoms and the impact of miglustat on cognitive follow-up. METHODS: We conducted a retrospective study of 21 adult patients diagnosed with NPC disease. Neuropsychological data (global cognitive efficiency, language, attention, executive functions, praxis, and visuoconstructive functions tests) were retrieved to describe the cognitive profile of patients...
October 18, 2017: Orphanet Journal of Rare Diseases
https://www.readbyqxmd.com/read/29046641/buspirone-counteracts-mk-801-induced-schizophrenia-like-phenotypes-through-dopamine-d3-receptor-blockade
#17
Sebastiano Alfio Torrisi, Salvatore Salomone, Federica Geraci, Filippo Caraci, Claudio Bucolo, Filippo Drago, Gian Marco Leggio
Background: Several efforts have been made to develop effective antipsychotic drugs. Currently, available antipsychotics are effective on positive symptoms, less on negative symptoms, but not on cognitive impairment, a clinically relevant dimension of schizophrenia. Drug repurposing offers great advantages over the long-lasting, risky and expensive, de novo drug discovery strategy. To our knowledge, the possible antipsychotic properties of buspirone, an azapirone anxiolytic drug marketed in 1986 as serotonin 5-HT1A receptor (5-HT1AR) partial agonist, have not been extensively investigated despite its intriguing pharmacodynamic profile, which includes dopamine D3 (D3R) and D4 receptor (D4R) antagonist activity...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/29045964/-increased-serum-c-c-chemokine-ligand-19-levels-correlated-with-b-cell-abnormalities-in-systemic-lupus-erythematosus
#18
H J Liu, L J Shi, F L Hu, H H Yao, Z G Li, Y Jia
OBJECTIVE: To detect the levels of serum C-C chemokine ligand 19 (CCL19) in patients with systemic lupus erythematosus (SLE) and to evaluate the correlation between CCL19 expression and clinical features and laboratory parameters, trying to reveal the possible role of CCL19 in the pathogenesis of systemic lupus erythematosus. METHODS: The levels of serum CCL19 were measured by enzyme linked immunosorbent assay (ELISA) in 90 patients with SLE and 30 healthy controls...
October 18, 2017: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
https://www.readbyqxmd.com/read/29045548/bold-activity-during-correct-answer-feedback-in-cued-recall-predicts-subsequent-retrieval-performance-an-fmri-investigation-using-a-partial-trial-design
#19
Adrian W Gilmore, Steven M Nelson, Farah Naaz, Ruth A Shaffer, Kathleen B McDermott
Receiving correct answer feedback following a retrieval attempt has proven to be a highly effective means of learning new information, yet the mechanisms behind its efficacy remain poorly understood. Here, fMRI was used to examine how BOLD activity measured during a period of feedback could predict subsequent memory (SM) performance on a final test. Twenty-five human subjects studied pairs of associated words, and were then asked to covertly recall target words in response to provided cues. Correct answer feedback was provided immediately after covert retrieval attempts...
October 17, 2017: Cerebral Cortex
https://www.readbyqxmd.com/read/29044445/development-of-a-screening-test-for-cognitive-impairment-in-alcoholic-population-tedca
#20
Rosa Jurado-Barba, Andrés Martínez, Ana Sion, María J Álvarez-Alonso, Adán Robles, Rafael Quinto-Guillen, Gabriel Rubio
INTRODUCTION: Several studies have found cognitive impairment in patients with a history of alcohol use disorder, affecting their psychosocial functioning and the achievement of therapeutic goals. In order to identify these effects, several cognitive screening tests have been used, though they were not specific for alcoholic population, possibly leading to an increase in the risk of error. OBJECTIVE: The aim of this study is to assess the main cognitive deficits in patients with history of alcohol use disorders, through the development of a specific screening test for alcohol-related cognitive impairment...
September 2017: Actas Españolas de Psiquiatría
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