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https://www.readbyqxmd.com/read/28088381/long-term-neurobehavioral-symptoms-and-return-to-productivity-in-operation-enduring-freedom-operation-iraqi-freedom-veterans-with-and-without-traumatic-brain-injury
#1
Marianne H Mortera, Stacy A Kinirons, Jessie Simantov, Heidi Klingbeil
OBJECTIVES: To describe Operation Enduring Freedom/Operation Iraqi Freedom (OEF/OIF) Veterans who underwent the Comprehensive Traumatic Brain Injury Evaluation (CTBIE), differences between the traumatic brain injury (TBI) and non- traumatic brain injury (non-TBI) subgroups, and factors associated with return to productivity (RTP). DESIGN: Retrospective medical record review. SETTING: Veterans Affairs Medical Center, Polytrauma/TBI Network Site...
January 11, 2017: Archives of Physical Medicine and Rehabilitation
https://www.readbyqxmd.com/read/28087735/relationships-linking-emotional-motor-cognitive-and-gabaergic-dysfunctions-in-dystrophin-deficient-mdx-mice
#2
Cyrille Vaillend, Rémi Chaussenot
Alterations in the Duchenne muscular dystrophy (DMD) gene have been associated with enhanced stress reactivity in vertebrate species, suggesting a role for brain dystrophin in fear-related behavioral and cognitive processes. Because the loss of dystrophin (Dp427) reduces clustering of central GABAA receptors, it is suspected that local inhibitory tuning and modulation of neuronal excitability are perturbed in a distributed brain circuit that normally controls such critical behavioral functions. In this study we undertook a large-scale behavioral study to evaluate fear-related behavioral disturbances in dystrophin-deficient mdx mice...
January 13, 2017: Human Molecular Genetics
https://www.readbyqxmd.com/read/28077286/assessment-of-neuroanatomical-and-behavioural-effects-of-in-ovo-methylmercury-exposure-in-zebra-finches-taeniopygia-guttata
#3
Maria S Yu, Margaret L Eng, Tony D Williams, Mélanie F Guigueno, John E Elliott
Methylmercury (MeHg) readily crosses the blood brain barrier and is a known neuro-toxicant. MeHg accumulation in the brain causes histopathological alterations, neurobehavioral changes, and impairments to cognitive motor functions in mammalian models. However, in birds the neurotoxic effects of MeHg on the developing pre-hatching brain and consequent behavioral alterations in adult birds have not received much attention. Moreover, passerine birds are poorly represented in MeHg neurotoxicology studies in comparison to other avian orders...
January 7, 2017: Neurotoxicology
https://www.readbyqxmd.com/read/28075461/resistance-of-interleukin-6-to-the-extracellular-inhibitory-environment-promotes-axonal-regeneration-and-functional-recovery-following-spinal-cord-injury
#4
Gang Yang, Wen-Yuan Tang
Interleukin-6 (IL)-6 was originally discovered as a factor that contributes to the secondary pathological and inflammatory response in the central nervous system (CNS) following injury. However, accumulating evidence suggests that IL-6 is also involved in functional and structural recovery following CNS injury by promoting axonal sprou-ting. This suggests a potential dual role of IL-6 in CNS injury. However, the definitive function of IL-6 in neural injury and the corresponding underlying mechanisms are still topics of controversy...
January 5, 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28073433/misperceptions-and-parkinson-s-disease
#5
REVIEW
Joseph H Friedman
Most of the neurobehavioral aspects of Parkinson's disease have been well established and studied, but many are not well known, and hardly studied. This article focuses on several behavioral abnormalities that are common, and frequently cause difficulty for the patient and family due to lack of recognition as part of the disease. While it is well known that L-Dopa dyskinesias are frequently not recognized or under appreciated by patients, a similar lack of recognition may affect the patient's own speech volume, where their center of gravity is located, whether they are tilted to one side, and their under-recognition of others' emotional displays...
January 4, 2017: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/28069456/neurocardiac-protection-with-milrinone-for-restoring-acute-cerebral-hypoperfusion-and-delayed-ischemic-injury-after-experimental-subarachnoid-hemorrhage
#6
Tomoko Mutoh, Tatsushi Mutoh, Kazumasu Sasaki, Kazuhiro Nakamura, Yasuko Tatewaki, Tatsuya Ishikawa, Yasuyuki Taki
BACKGROUND AND PURPOSE: Acute cerebral hypoperfusion following subarachnoid hemorrhage (SAH) is highly related to the pathogenesis of delayed cerebral ischemia (DCI), but the therapeutic option is poorly available. This study aimed to clarify the effect of milrinone (MIL) on cerebral blood flow (CBF) and related outcomes after experimental SAH. METHODS: Twenty-seven male C57BL/6 mice were assigned to either sham surgery (SAH-sham; n=6), SAH induced by endovascular perforation (control; n=10), or SAH followed by cardiac support with intravenous MIL (n=11) performed 1...
January 6, 2017: Neuroscience Letters
https://www.readbyqxmd.com/read/28067192/effect-of-retrieval-practice-on-short-term-and-long-term-retention-in-hiv-individuals
#7
Gunes Avci, Steven P Woods, Marizela Verduzco, David P Sheppard, James F Sumowski, Nancy D Chiaravalloti, John DeLuca
OBJECTIVES: Episodic memory deficits are both common and impactful among persons infected with HIV; however, we know little about how to improve such deficits in the laboratory or in real life. Retrieval practice, by which retrieval of newly learned material improves subsequent recall more than simple restudy, is a robust memory boosting strategy that is effective in both healthy and clinical populations. In this study, we investigated the benefits of retrieval practice in 52 people living with HIV and 21 seronegatives...
January 9, 2017: Journal of the International Neuropsychological Society: JINS
https://www.readbyqxmd.com/read/28065894/socio-neuro-risk-factors-for-suicidal-behavior-in-criminal-offenders-with-psychotic-disorders
#8
Carla L Harenski, Michael Brook, David S Kosson, Juan R Bustillo, Keith A Harenski, Michael F Caldwell, Gregory J Van Rybroek, Michael Koenigs, Jean Decety, David M Thornton, Vince D Calhoun, Kent A Kiehl
Relative to the general population, individuals with psychotic disorders have a higher risk of suicide. Suicide risk is also elevated in criminal offenders. Thus, psychotic-disordered individuals with antisocial tendencies may form an especially high-risk group. We built upon prior risk analyses by examining whether neurobehavioral correlates of social cognition were associated with suicidal behavior in criminal offenders with psychotic disorders. We assessed empathic accuracy and brain structure in four groups: (i) incarcerated offenders with psychotic disorders and past suicide attempts, (ii) incarcerated offenders with psychotic disorders and no suicide attempts, (iii) incarcerated offenders without psychotic disorders and (iv) community non-offenders without psychotic disorders...
January 8, 2017: Social Cognitive and Affective Neuroscience
https://www.readbyqxmd.com/read/28065496/feasibility-and-acceptability-of-ecological-momentary-assessment-of-daily-functioning-among-older-adults-with-hiv
#9
Raeanne C Moore, Christopher N Kaufmann, Alexandra S Rooney, David J Moore, Lisa T Eyler, Eric Granholm, Steven Paul Woods, Joel Swendsen, Robert K Heaton, J C Scott, Colin A Depp
OBJECTIVE: This study aimed to examine the feasibility, acceptability, and initial validity of using smartphone-based ecological momentary assessment (EMA) to assess daily functioning and other behavioral factors among older HIV+ adults. METHODS: Twenty older HIV+ adults (mean age: 59 years) completed laboratory-based neurobehavioral and functional assessments then completed EMA surveys via smartphones five times per day for one week. RESULTS: Excellent EMA adherence (86...
December 1, 2016: American Journal of Geriatric Psychiatry
https://www.readbyqxmd.com/read/28062214/in-utero-exposure-to-atypical-antipsychotic-drug-risperidone-effects-on-fetal-neurotoxicity-in-hippocampal-region-and-cognitive-impairment-in-rat-offspring
#10
K P Singh, Manoj Kr Singh
Clinical studies indicate that about one-third of pregnant women with psychotic symptoms are exposed to either typical or atypical antipsychotic drugs (APDs). Reports on prenatal subject/model are lacking hence, the present study was undertaken to investigate the effect of prenatal exposure to risperidone (RIS) on the fetal hippocampus, and their related functional changes in young rat offspring. In this study, pregnant Wistar rats were exposed to equivalent therapeutic doses of RIS at 0.8mg/kg, 1.0mg/kg, and 2...
January 3, 2017: Progress in Neuro-psychopharmacology & Biological Psychiatry
https://www.readbyqxmd.com/read/28061967/stress-anxiety-and-immunomodulation-a-pharmacological-analysis
#11
A Ray, K Gulati, N Rai
Stress and stressful events are common occurrences in our daily lives and such aversive situations bring about complex changes in the biological system. Such stress responses influence the brain and behavior, neuroendocrine and immune systems, and these responses orchestrate to increase or decrease the ability of the organism to cope with such stressors. The brain via expression of complex behavioral paradigms controls peripheral responses to stress and a bidirectional link exists in the modulation of stress effects...
2017: Vitamins and Hormones
https://www.readbyqxmd.com/read/28061418/memory-and-mood-outcomes-after-anterior-thalamic-stimulation-for-refractory-partial-epilepsy
#12
Alexander I Tröster, Kimford J Meador, Christopher P Irwin, Robert S Fisher
PURPOSE: Bilateral deep brain stimulation (DBS) of the anterior nucleus of the thalamus (ANT) reduces seizures and is relatively safe but may be accompanied by complaints of memory problems and depression. This study examined incidence of memory and depression adverse events (AE) in the SANTE study blinded phase and their relationship to objective neurobehavioral measures, baseline characteristics, quality of life and long-term neurobehavioral outcome. METHOD: The neurobehavioral AE and neuropsychological data from a previously reported prospective randomized trial (SANTE) were analyzed...
December 23, 2016: Seizure: the Journal of the British Epilepsy Association
https://www.readbyqxmd.com/read/28060276/the-rodent-psychomotor-vigilance-test-rpvt-a-method-for-assessing-neurobehavioral-performance-in-rats-and-mice
#13
Catherine M Davis, Peter G Roma, Robert D Hienz
The human Psychomotor Vigilance Test (PVT) is a widely used procedure for measuring changes in fatigue and sustained attention. The present article describes a rodent version of the PVT-termed the "rPVT"-that measures similar aspects of attention (i.e., performance accuracy, motor speed, premature responding, and lapses in attention). Data are presented that demonstrate both the short- and long-term usefulness of the rPVT when employed with laboratory rats. Rats easily learn the rPVT, and learning to perform the basic procedure takes less than two weeks of training...
December 29, 2016: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28058114/protective-effects-of-co-enzyme-q10-on-thioacetamide-induced-acute-liver-damage-and-its-correlation-with-behavioral-biochemical-and-pathological-factors
#14
Soheil Ashkani-Esfahani, Fereshteh Bagheri, Yasaman Emami, Elmira Esmaeilzadeh, Negar Azarpira, Nazila Hassanabadi, Marzieh Keshtkar, Mojtaba Farjam, Omid Koohi-Hosseinabadi, Ali Noorafshan
BACKGROUND: Acute liver damage may be followed by biochemical, behavioral, and pathological alterations, which can result in serious complications and even death. OBJECTIVES: In this experimental study we determined whether coenzyme Q10 (CoQ10), a common supplementary medicine known to have protective, antioxidative, and anti-inflammatory effects in cells, has any protective effect against thioacetamide (TAA)-induced liver damage and its related neurobehavioral alterations in rats...
August 2016: Iranian Red Crescent Medical Journal
https://www.readbyqxmd.com/read/28054226/picroside-ii-exerts-a-neuroprotective-effect-by-inhibiting-the-mitochondria-cytochrome-c-signal-pathway-following-ischemia-reperfusion-injury-in-rats
#15
Hongyan Zhang, Li Zhai, Tingting Wang, Shan Li, Yunliang Guo
Stroke is a common neurodegenerative disease in the wide world, and mitochondrial defects underlie the pathogenesis of ischemia, especially during reperfusion. Picroside II, the principal active component of Picrorhiza, is a traditional Chinese medicine. Our previous study demonstrated that the best therapeutic dose and time window were injection of picroside II at a dose of 10-20 mg/kg body weight following cerebral ischemia by 1.5-2.0 h. In this paper, the neuroprotective effect and the mechanism of picroside II were investigated, as well as its involvement in antioxidant and mitochondria cytochrome C (CytC) signal pathway following ischemia reperfusion (I/R) injury in rats...
January 4, 2017: Journal of Molecular Neuroscience: MN
https://www.readbyqxmd.com/read/28052270/neurodevelopmental-effects-of-undernutrition-and-placental-underperfusion-in-fetal-growth-restriction-rabbit-models
#16
Míriam Illa Armengol, Elisenda Eixarch, Emma Muñoz-Moreno, Dafnis Batalle, Rocío Leal-Campanario, Agnès Gruart, José María Delgado-García, Francesc Figueras, Eduard Gratacós
INTRODUCTION: Chronic reduction of oxygen and nutrient delivery to the fetus has been related to neurodevelopmental problems. Placental underperfusion induces a significant reduction in oxygen and nutrient delivery, whereas maternal undernutrition causes mainly nutrient deficiency. A comparison of the neurodevelopmental effects of both situations in pregnant rabbits was performed. MATERIALS AND METHODS: The placental underperfusion model was induced after uteroplacental vessel ligation at 25 days of pregnancy...
January 5, 2017: Fetal Diagnosis and Therapy
https://www.readbyqxmd.com/read/28049898/developmental-toxicity-of-nanoparticles-on-the-brain
#17
Masakazu Umezawa, Atsuto Onoda, Ken Takeda
 The toxicity of nanoparticles (nanotoxicology) is being investigated to understand both the health impacts of atmospheric ultrafine particles-the size of which is a fraction (<0.1 μm aerodynamic diameter) of that of PM2.5 (<2.5 μm diameter)-and the safer use of engineered nanomaterials. Developmental toxicity of nanoparticles has been studied since their transfer from pregnant body to fetal circulation and offspring body was first reported. Here we reviewed the developmental toxicity of nanoparticles on the brain, one of the most important organs in maintenance of mental health and high quality of life...
2017: Yakugaku Zasshi: Journal of the Pharmaceutical Society of Japan
https://www.readbyqxmd.com/read/28045463/neurogenetics-of-developmental-dyslexia-from-genes-to-behavior-through-brain-neuroimaging-and-cognitive-and-sensorial-mechanisms
#18
REVIEW
S Mascheretti, A De Luca, V Trezzi, D Peruzzo, A Nordio, C Marino, F Arrigoni
Developmental dyslexia (DD) is a complex neurodevelopmental deficit characterized by impaired reading acquisition, in spite of adequate neurological and sensorial conditions, educational opportunities and normal intelligence. Despite the successful characterization of DD-susceptibility genes, we are far from understanding the molecular etiological pathways underlying the development of reading (dis)ability. By focusing mainly on clinical phenotypes, the molecular genetics approach has yielded mixed results...
January 3, 2017: Translational Psychiatry
https://www.readbyqxmd.com/read/28042097/parkin-deficiency-accelerates-consequences-of-mitochondrial-dna-deletions-and-parkinsonism
#19
Lanying Song, Marissa McMackin, Andy Nguyen, Gino Cortopassi
Parkinson's disease (PD) is a neurodegenerative condition caused by age-related death of dopaminergic (DA) neurons in the substantia nigra (SN). Mitochondrial DNA (mtDNA) deletions rise exponentially with age in humans and reach their highest levels approaching 60% in dopaminergic neurons of the substantia nigra and overlap with dying neurons. Parkin deletion causes Parkinsonism in humans, presumably through a decrease in mitochondrial quality control, but Parkin knockout mice do not have DA neurodegeneration...
December 29, 2016: Neurobiology of Disease
https://www.readbyqxmd.com/read/28018987/eeg-slow-waves-in-traumatic-brain-injury-convergent-findings-in-mouse-and-man
#20
Mo Modarres, Nicholas N Kuzma, Tracy Kretzmer, Allan I Pack, Miranda M Lim
OBJECTIVE: Evidence from previous studies suggests that greater sleep pressure, in the form of EEG-based slow waves, accumulates in specific brain regions that are more active during prior waking experience. We sought to quantify the number and coherence of EEG slow waves in subjects with mild traumatic brain injury (mTBI). METHODS: We developed a method to automatically detect individual slow waves in each EEG channel, and validated this method using simulated EEG data...
July 1, 2016: Neurobiology of Sleep and Circadian Rhythms
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