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Anna Brancato, Gianluca Lavanco, Angela Cavallaro, Fulvio Plescia, Carla Cannizzaro
BACKGROUND: Emotionally salient experiences induce the formation of explicit memory traces, besides eliciting automatic or implicit emotional memory in rodents. This study aims at investigating the implementation of a novel task for studying the formation of limbic memory engrams as a result of the acquisition- and retrieval- of fear-conditioning - biased declarative memory traces, measured by animal discrimination of an "emotional-object". Moreover, by using this new method we investigated the potential interactions between stimulation of cannabinoid transmission and integration of emotional information and cognitive functioning...
October 6, 2016: Journal of Neuroscience Methods
Dilek Evyapan Akkuş, Ayşe Güler
OBJECTIVE: The purpose of this study is to create an agraphia test battery specific to Turkish language, to obtain normative data for the performance and error types of this test and to demonstrate its success in detecting cognitive disorders in mild cognitive impairment (MCI) cases that can't be diagnosed by formal neuropsychological tests due to the fact that writing is a complex function. METHOD: For this purpose, 20 healthy control (HC) subjects, 20 MCI cases and 20 Alzheimer's disease (AD) patients with Clinical Dementia Rating (CDR) of 1 were evaluated with Ege Agraphia Test Battery...
2016: Türk Psikiyatri Dergisi, Turkish Journal of Psychiatry
Percy Bondallaz, Bernard Favrat, Haïthem Chtioui, Eleonora Fornari, Philippe Maeder, Christian Giroud
Traffic policies show growing concerns about driving under the influence of cannabis, since cannabinoids are one of the most frequently encountered psychoactive substances in the blood of drivers who are drug-impaired and/or involved in accidents, and in the context of a legalization of medical marijuana and of recreational use. The neurobiological mechanisms underlying the effects of cannabis on safe driving remain poorly understood. In order to better understand its acute and long-term effects on psychomotor functions involved in the short term ability and long-term fitness to drive, experimental research has been conducted based on laboratory, simulator or on-road studies, as well as on structural and functional brain imaging...
September 16, 2016: Forensic Science International
Lingyan Wang, Yan Bao, Jiyuan Zhang, Xiaoxiong Lin, Lang Yang, Ernst Pöppel, Bin Zhou
It has been shown recently that a temporal window of approximately 3 s has a modulatory effect on mismatch negativity (MMN). This special temporal window has been interpreted as representing the "subjective present," and reflecting a temporal segmentation in behavioral and cognitive functions. A more detailed look into the temporal structure of the MMN appeared to be reasonable as group data might shadow the underlying mechanisms because of too-high response variance. In this study, we tested one subject on 11 successive days at the same circadian phase using a passive auditory oddball paradigm with interstimulus intervals (ISIs) ranging from 1 s to 6 s...
September 2016: PsyCh Journal
Caio M Massari, Adalberto A Castro, Tharine Dal-Cim, Débora Lanznaster, Carla I Tasca
Parkinson's disease (PD) involves the loss of striatal dopaminergic neurons, although other neurotransmitters and brain areas are also involved in its pathophysiology. In rodent models to PD it has been shown statins improve cognitive and motor deficits and attenuate inflammatory responses evoked by PD-related toxins. Statins are the drugs most prescribed to hypercholesterolemia, but neuroprotective effects have also been attributed to statins treatment in humans and in animal models. This study aimed to establish an in vitro model of 6-hydroxydopamine (6-OHDA)-induced toxicity, used as an initial screening test to identify effective drugs against neural degeneration related to PD...
December 2016: Toxicology in Vitro: An International Journal Published in Association with BIBRA
Karin Fehsel, Tamara Schikowski, Michaela Jänner, Anke Hüls, Mohammed Voussoughi, Thomas Schulte, Andrea Vierkötter, Tom Teichert, Christian Herder, Dorothea Sugiri, Ursula Krämer, Christian Luckhaus
Genetic and environmental risk factors contribute to the pathogenesis of Alzheimer's dementia. Besides known genetic risk factors like the apolipoprotein (APO) Eε4 allele, single nuclear polymorphisms (SNPs) of the estrogen receptors (ESRs) are candidate genetic risk factors, while air pollution represents an environmental risk factor for dementia. Effects of these risk factors and their interaction were investigated in the SALIA cohort of 834 non-demented elderly women. Cognitive function was assessed by the CERAD-plus test battery...
September 14, 2016: Journal of Neural Transmission
Pan Xu, Ke Zhu Wang, Cong Lu, Li Ming Dong, Jun Le Zhai, Yong Hong Liao, Silafu Aibai, Xin Min Liu
ETHNOPHARMACOLOGICAL RELEVANCE: Depression induce distressed emotional state and cognitve deficits simultaneously, which both should be improved in the treatment. Hemerocallis citrina Baroni (HC) is a traditional herbal medicine in Eastern-Asia areas and the total phenols extract of HC (HCPE) contains the main active ingredients. It has been reported that HC has the emotional improvement effect. But the cognitive effect of HC was seldom researched. AIM OF THE STUDY: We designed to evaluate the antidepressant and cognitive improvement effect of HCPE using a chronic unpredictable mild stress (CUMS) model, and the potential mechanisms were explored by investigating the corticosterone (CORT), monoamine neurotansmitters, brain-derived neurotropic factor (BDNF) and oxidative stress...
September 10, 2016: Journal of Ethnopharmacology
Chen Hui, Yang Zhihui
OBJECTIVES: China has entered the aging society, but the social support systems for the elderly are underdeveloped, which may make the elderly feel anxiety about their health and life quality. Given the prevalence of generalized anxiety disorder (GAD) in the elderly, it is very important to pay more attention to the treatment for old adults. Although cognitive behavioral therapy targeting intolerance of uncertainty (CBT-IU) has been applied to different groups of patients with GAD, few studies have been performed to date...
September 3, 2016: Aging & Mental Health
L H Koens, A Kuiper, M A Coenen, J W J Elting, J J de Vries, M Engelen, J H T M Koelman, F J van Spronsen, J M Spikman, T J de Koning, M A J Tijssen
BACKGROUND: Niemann-Pick type C (NP-C) is a rare autosomal recessive progressive neurodegenerative disorder caused by mutations in the NP-C 1 or 2 gene. Besides visceral symptoms, presentation in adolescent and adult onset variants is often with neurological symptoms. The most frequently reported presenting symptoms of NP-C in adulthood are psychiatric symptoms (38 %), cognitive decline (23 %) and ataxia (20 %). Myoclonus can be present, but its value in early diagnosis and the evolving clinical phenotype in NP-C is unclear...
2016: Orphanet Journal of Rare Diseases
Moritz Tacke, Lucia Gerstl, Florian Heinen, Isabel Heukaeufer, Michaela Bonfert, Thomas Bast, Sonia Cornell, Bernd Axel Neubauer, Ingo Borggraefe
INTRODUCTION: Benign epilepsy with centrotemporal spikes (BECTS) is a common epilepsy syndrome in childhood. Besides the occurrence of seizures, mild cognitive impairments and behavioral problems affecting language skills, spatial perception, memory, executive function, and academic achievement might be present. There is no international consensus about the decision whether or not to treat affected children. The influence of treatment on cognitive functions is debated. METHODS: Patients diagnosed with BECTS were assessed in short term auditory memory, long-term verbal memory, intelligence and behavior using the "number recall" test from the Kaufman assessment battery for children, the "verbal learning memory test", the "culture free intelligence test" and the "child behavior checklist" prior to a randomized controlled antiepileptic therapy and after a treatment period of 6 months with either sulthiame or levetiracetam...
November 2016: European Journal of Paediatric Neurology: EJPN
Xudong Li, Shuhong Jia, Zhi Zhou, Chunlei Hou, Wenjing Zheng, Pei Rong, Jinsong Jiao
BACKGROUND: Alzheimer's disease dementia (ADD) has become an important health problem in the world. Visuospatial deficits are considered to be an early symptom besides memory disorder. OBJECTIVES: The gesture imitation test was devised to detect ADD and amnestic mild cognitive impairment (aMCI). METHODS: A total of 117 patients with ADD, 118 with aMCI, and 95 normal controls were included in this study. All participants were administered our gesture imitation test, the Mini-Mental State Examination (MMSE), the Montreal Cognitive Assessment (MoCA), the Clock Drawing Test (CDT), and the Clinical Dementia Rating Scale (CDR)...
July 14, 2016: Journal of Alzheimer's Disease: JAD
Martin Reuter, Christian Montag, Steffen Altmann, Fabian Bendlow, Christian Elger, Peter Kirsch, Albert Becker, Susanne Schoch-McGovern, Matthias Simon, Bernd Weber, Andrea Felten
The oxytocin system plays a prominent role in social behaviour across species, and numerous genetic studies in humans have reported associations between polymorphisms on the oxytocin receptor gene (OXTR) and phenotypes related to social cognition, affiliation, perspective taking and sociability in healthy subjects and in patients with atypical social behaviour, such as in autistic spectrum disorders (ASD). Recently, the first study demonstrating altered agonist-induced OXTR internalization and recycling for the exonic variant rs35062132 emerged...
July 15, 2016: Social Neuroscience
Hannah Glonnegger, Aline Beyle, Bernhard Cerff, Susanne Gräber, Ilona Csoti, Daniela Berg, Inga Liepelt-Scarfone
BACKGROUND: There is need for multidimensional quantitative assessment of cognitive driven activities of daily living (ADL) functions in Parkinson's disease (PD). OBJECTIVE: To determine whether there is an ADL profile related to cognitive impairment in PD assessed by the Multiple Object Test (MOT). We assumed MOT performance to be lower in PD patients versus controls and in PD patients with more severe cognitive impairment. METHODS: 50 PD patients with no cognitive impairment (PD-NC), 54 patients with PD-mild cognitive impairment (PD-MCI), 29 with Parkinson's disease dementia (PDD), and 40 healthy controls (HC) were investigated...
July 6, 2016: Journal of Alzheimer's Disease: JAD
S Oliver Kobald, Stephan Getzmann, Christian Beste, Edmund Wascher
Environmental noise is known to affect personal well-being as well as cognitive processes. Besides daily life, environmental noise can also occur in experimental research settings, e.g. when being in a magnetic resonance scanner. Scanner background noise (SBN) might pose serious confounds for experimental findings, even when non-auditory settings are examined. In the current experiment we tested if SBN alters bottom-up and top-down related processes of selective visual attention mechanisms. Participants completed two blocks of a visual change detection task, one block in silence and one block under SBN exposure...
2016: Scientific Reports
Ellen Umlauf, Eduard Rappold, Bettina Schiller, Petra Fuchs, Michael Rainer, Brigitte Wolf, Maria Zellner
Approximately 30 million people currently suffer from late-onset Alzheimer's disease (LOAD) worldwide. Twin studies demonstrated that 60 to 80% of LOAD is genetically determined, 20% of which remaining unassigned. This case-control study included 118 cognitively healthy controls, 52 patients with mild cognitive impairment (MCI; the pre-stage of LOAD) and 71 LOAD patients. The participants were genotyped for the genetic LOAD marker apolipoprotein E4 (APOE4) and the single-nucleotide polymorphism rs4925 in glutathione S-transferase omega-1 (GSTO1)...
June 1, 2016: Oncotarget
Arnaud Rabat, Danielle Gomez-Merino, Laura Roca-Paixao, Clément Bougard, Pascal Van Beers, Garance Dispersyn, Mathias Guillard, Cyprien Bourrilhon, Catherine Drogou, Pierrick J Arnal, Fabien Sauvet, Damien Leger, Mounir Chennaoui
Chronic sleep restriction (CSR) induces neurobehavioral deficits in young and healthy people with a morning failure of sustained attention process. Testing both the kinetic of failure and recovery of different cognitive processes (i.e., attention, executive) under CSR and their potential links with subject's capacities (stay awake, baseline performance, age) and with some biological markers of stress and anabolism would be useful in order to understand the role of sleep debt on human behavior. Twelve healthy subjects spent 14 days in laboratory with 2 baseline days (B1 and B2, 8 h TIB) followed by 7 days of sleep restriction (SR1-SR7, 4 h TIB), 3 sleep recovery days (R1-R3, 8 h TIB) and two more ones 8 days later (R12-R13)...
2016: Frontiers in Behavioral Neuroscience
Arezoo Shayan, Farkhondeh Jamshidi, Seyedeh Zahra Masoumi, Maryam Ataollahi, Saead Gholamzadeh, Mohamad Zarenezhad
BACKGROUND: Breast cancer is the most common cancer among women which endangers different aspects like individual, public health, and life quality. OBJECTIVES: The aim of the present study is to investigate the consultation effectiveness of stress management on the quality of life and stress of women suffering from breast cancer. METHODS: A semi-experimental research was performed with pre- and post-test design as well as control and test groups...
2016: Global Journal of Health Science
E Remmelink, A Aartsma-Rus, A B Smit, M Verhage, M Loos, M van Putten
Duchenne muscular dystrophy (DMD) is a progressive muscle-wasting disorder, caused by mutations in the DMD gene and the resulting lack of dystrophin. The DMD gene has seven promoters, giving rise to multiple full-length and shorter isoforms. Besides the expression of dystrophin in muscles, the majority of dystrophin isoforms is expressed in brain and dystrophinopathy can lead to cognitive deficits, including intellectual impairments and deficits in executive function. In contrast to the muscle pathology, the impact of the lack of dystrophin on the brain is not very well studied...
July 2016: Genes, Brain, and Behavior
Anne M Buunk, Rob J M Groen, Wencke S Veenstra, Jan D M Metzemaekers, Johannes H van der Hoeven, J Marc C van Dijk, Jacoba M Spikman
OBJECTIVE: The authors' aim was to investigate cognitive outcome in patients with aneurysmal and angiographically negative subarachnoid hemorrhage (aSAH and anSAH), by comparing them to healthy controls and to each other. Besides investigating cognitive functions as memory and attention, they focused on higher-order prefrontal functions, namely executive functioning (EF) and emotion recognition. METHOD: Patients and healthy controls were assessed with tests measuring memory (15 Words Test, Digit Span), attention and processing speed (Trail Making Test A and B), EF (Zoo Map, Letter Fluency, Dysexecutive Questionnaire), and emotion recognition (Facial Expressions of Emotion Stimuli and Tests)...
May 19, 2016: Neuropsychology
Tanja Grubic Kezele, Gordana Blagojevic Zagorac, Hrvoje Jakovac, Robert Domitrovic, Biserka Radosevic-Stasic
Inflammatory demyelinating diseases such as multiple sclerosis and experimental autoimmune encephalomyelitis (EAE) are often followed by cognitive deficits associated with the neuronal injury, synaptic loss and altered neurogenesis within the hippocampus. Changes depend on the genetic and epigenetic factors that ensure the cellular and environmental homeostasis and regulate the interactions of immunocompetent, glial and neural cells. Owing to high impact of stress proteins on these processes, in this study we compared the protein content of interleukin-6, transforming growth factor-β1, metallothioneins I/II (MTs) and glycoprotein 96 (gp96) in the hippocampus of DA and AO rats that differ in the susceptibility to the induction of EAE, and tested the relationship of MTs and gp96 to granule neurons, glial cells and neural progenitors in different subfields of dentate gyrus...
May 13, 2016: Histology and Histopathology
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