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Barbara Nussbaumer-Streit, Berlinda Yeoh, Ursula Griebler, Lisa M Pfadenhauer, Laura K Busert, Stefan K Lhachimi, Szimonetta Lohner, Gerald Gartlehner
BACKGROUND: Lead poisoning is associated with physical, cognitive and neurobehavioural impairment in children, and trials have tested many household interventions to prevent lead exposure. This is an update of the original review, first published in 2008. OBJECTIVES: To assess the effects of household interventions for preventing or reducing lead exposure in children, as measured by improvements in cognitive and neurobehavioural development, reductions in blood lead levels and reductions in household dust lead levels...
October 16, 2016: Cochrane Database of Systematic Reviews
Samuel Keer, Bill Glass, Bradley Prezant, David McLean, Neil Pearce, Elizabeth Harding, Diana Echeverria, James McGlothlin, Duncan R Babbage, Jeroen Douwes
OBJECTIVES: To assess whether solvent use and workplace practices in the vehicle collision repair industry are associated with symptoms of neurotoxicity in spray painters and panel beaters (auto body repair workers). METHODS: Neurobehavioural symptoms were assessed using a cross-sectional study design in 370 vehicle collision repair and 211 reference workers using the EUROQUEST questionnaire. Full-shift airborne solvent levels were measured in a subset (n=92) of collision repair workers...
October 10, 2016: Neurotoxicology
L Ene, T D Marcotte, A Umlauf, C Grancea, A Temereanca, A Bharti, C L Achim, S Letendre, S M Ruta
We evaluated the impact of latent toxoplasmosis (LT) on neurocognitive (NC) and neurobehavioural functioning in young adults with and without chronic HIV infection, using a standardised NC test battery, self-reported Beck Depression Inventory, Frontal System Behavior Scale, MINI-International Neuropsychiatric Interview and risk-assessment battery. 194 young adults (median age 24years, 48.2% males) with chronic HIV infection (HIV+) since childhood and 51 HIV seronegative (HIV-) participants were included. HIV+ individuals had good current immunological status (median CD4: 479 cells/μl) despite a low CD4 nadir (median: 93 cells/μl)...
October 15, 2016: Journal of Neuroimmunology
Anna Carita Callan, Andrea Lee Hinwood, Jane Heyworth, Duong Trong Phi, Jon Ø Odland
Prenatal exposure to persistent pollutants has been associated with adverse birth outcomes, although few studies have investigated the influence of the sex of the infant. Sex specific differences have been associated with neurobehavioural impacts from environmental exposures with limited and contrary findings in relation to persistent pollutants. This study investigated the relationships between maternal exposure to a range of metals, polychlorinated biphenyls and pesticides measured in biological samples and birth outcomes with a specific focus on the sex of the infant...
September 28, 2016: International Journal of Hygiene and Environmental Health
Gin S Malhi, Yulisha Byrow
Following extensive research exercise has emerged as an effective treatment for major depressive disorder, and it is now a recognised therapy alongside other interventions. In contrast, there is a paucity of research examining the therapeutic effects of exercise for those with bipolar disorder. Given that dysfunctional reward processing is central to bipolar disorder, research suggests that exercise can perhaps be framed as a reward-related event that may have the potential to precipitate a manic episode. The behavioural activation system (BAS) is a neurobehavioural system that is associated with responding to reward and provides an appropriate framework to theoretically examine and better understand the effects of exercise treatment on bipolar disorder...
September 27, 2016: Evidence-based Mental Health
T W Robbins
The significance of investigating effects of deprivation of social experience in rodents is reviewed in the context of the review by Robbins et al. (1996) in the Journal of Psychopharmacology (10: 39-47). The early development of the paradigm by which rats were reared post-weaning in social isolation is described and compared with other early experience manipulations. The specification of the neural and behavioural phenotype of the isolate is brought up-to-date, focusing on changes in motivation and cognitive function, as well as on contrasting changes in the dopamine and serotonin systems, and in cortical (including hippocampal) structure and function...
September 26, 2016: Journal of Psychopharmacology
Silvana Riggio, Andy Jagoda
A concussion results from a force to the brain that results in a transient loss of connectivity within the brain. Sport psychiatrists are increasingly called to be part of the concussion team and need to be prepared to manage issues related to concussion and its behavioural sequelae. Objectively, the best evidence available suggests that deficits in attention and/or in balance are the most reliable objective findings that a concussion has occurred. Prognosis after a concussion is generally very good, although a sub-set of patients that are yet well defined seem pre-disposed to delayed recovery...
September 27, 2016: International Review of Psychiatry
Niall M McGowan, Bogdan I Voinescu, Andrew N Coogan
Attention deficit hyperactivity disorder (ADHD) is a common neurobehavioural disorder which has been associated with sleep and circadian rhythm disturbances. Numerous studies have linked evening circadian typology with traits and behaviours associated with the disorder, although a precise reason for this relationship has not been clarified. The current study examines ADHD symptoms, impulsivity, cognitive failures, sleep quality and chronotype in a cohort of healthy young adults (N = 396). Results show significant, small magnitude associations between mid-point of sleep on free days, social jetlag (SJL) and ADHD symptoms and impulsivity, although not with cognitive failures...
September 26, 2016: Chronobiology International
Yin Ting Cheung, Noah D Sabin, Wilburn E Reddick, Deepa Bhojwani, Wei Liu, Tara M Brinkman, John O Glass, Scott N Hwang, Deokumar Srivastava, Ching-Hon Pui, Leslie L Robison, Melissa M Hudson, Kevin R Krull
BACKGROUND: Leukoencephalopathy is observed in some children undergoing chemotherapy for acute lymphoblastic leukaemia, although its effects on long-term outcomes is unknown. This study examines the associations between acute leukoencephalopathy and neurobehavioural, neurocognitive, and brain white matter imaging outcomes in long-term survivors of childhood acute lymphoblastic leukaemia treated with chemotherapy without cranial radiation. METHODS: In this longitudinal analysis, we used data of children with acute lymphoblastic leukaemia at St Jude Children's Research Hospital (Memphis, TN, USA) who had been treated between June 1, 2000, and Oct 31, 2010...
October 2016: Lancet Haematology
Cheng-You Zheng, Bao-Jian Guo, Wei Cai, Wei Cui, Shing-Hung Mak, Yu-Qiang Wang, Simon Ming-Yuen Lee, Yi-Fan Han, Zai-Jun Zhang
Rasagiline, a monoamine oxidase-B inhibitor, and bis(propyl)-cognitin (B3C), a novel dimer are reported to be neuroprotective. Herein, the synergistical neuroprotection produced by rasagiline and B3C was investigated in 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP)-induced mice of Parkinsonism. By using neurobehavioural tests, high-performance liquid chromatography and western blot assay, we showed that B3C at 0.3 mg/kg, rasagiline at 0.02 mg/kg, as well as co-treatment with B3C and rasagiline prevented MPTP-induced behavioural abnormities, increased the concentrations of dopamine and its metabolites in the striatum, and up-regulated the expression of tyrosine hydroxylase in the substantia nigra...
August 2016: Neural Regeneration Research
A Kubik-Zahorodna, B Schuster, I Kanchev, R Sedláček
Diamond-Blackfan anaemia is a rare disease caused by insufficient expression of ribosomal proteins and is characterized by erythroid hypoplasia often accompanied by growth retardation, congenital craniofacial and limb abnormalities. In addition, Diamond-Blackfan anaemia patients also exhibit a number of behavioural abnormalities. In this study we describe the behavioural effects observed in a new mouse mutant carrying a targeted single amino acid deletion in the ribosomal protein RPS19. This mutant, created by the deletion of arginine 67 in RPS19, exhibits craniofacial, skeletal, and brain abnormalities, accompanied by various neurobehavioural malfunctions...
2016: Folia Biologica (Praha)
Andrew Davidson
Pre-clinical studies have consistently found that most general anaesthetics produce accelerated apoptosis in the developing brain. The effect has been seen in species ranging from the nematode to the non-human primate. A variety of other effects are also seen. There is also some evidence that animals exposed to anaesthesia are at increased risk of deficits in memory and learning. The effects are only seen with prolonged exposure. There are numerous problems in translating these findings to human clinical scenarios...
September 10, 2016: Early Human Development
P A Adeniyi, E P Omatsuli, A J Akinyemi, A O Ishola
There is a greater prevalence of cigarette smoking among caffeine dependent individuals. This study therefore sought to assess the effect of nicotine and/or caffeine on some key biochemical indices and neurobehavioural parameters associated with brain function in male mice. Forty male BALB/c mice were divided into 4 groups of 10 animals each; Group A serve as the control and received normal saline (s.c), Group B received 2mg/kg body weight of nicotine (s.c), Group C received 2mg/kg body weight of caffeine (s...
August 26, 2016: Pathophysiology: the Official Journal of the International Society for Pathophysiology
Ifukibot Levi Usende, Dominque F Leitner, Elizabeth Neely, James R Connor, James O Olopade
Oligodendrocyte development and myelination occurs vigorously during the early post natal period which coincides with the period of peak mobilization of iron. Oligodendrocyte progenitor cells (OPCs) are easily disturbed by any agent that affects iron homeostasis and its assimilation into these cells. Environmental exposure to vanadium, a transition metal can disrupt this iron homeostasis. We investigated the interaction of iron deficiency and vanadium exposure on the myelination infrastructure and its related neurobehavioural phenotypes, and neurocellular profiles in developing rat brains...
2016: Nigerian Journal of Physiological Sciences: Official Publication of the Physiological Society of Nigeria
Ladan Akbarian-Tefaghi, Ludvic Zrinzo, Thomas Foltynie
Tourette syndrome (TS) is a childhood neurobehavioural disorder, characterised by the presence of motor and vocal tics, typically starting in childhood but persisting in around 20% of patients into adulthood. In those patients who do not respond to pharmacological or behavioural therapy, deep brain stimulation (DBS) may be a suitable option for potential symptom improvement. This manuscript attempts to summarise the outcomes of DBS at different targets, explore the possible mechanisms of action of DBS in TS, as well as the potential of adaptive DBS...
August 19, 2016: Brain Sciences
Rodger A Weddell, Rodger L Wood
OBJECTIVE: Individuals with traumatic brain injury (TBI) often express concern that their personality has changed. Factors generating that conclusion are rarely explored quantitatively. Accordingly, this study examines neurobehavioural correlates of self-reported personality change. METHODS: Seventy-one participants and informants were interviewed M = 57.9 (SD = 46.9) months after a moderate-severe TBI. The degree of self-reported personality change was correlated with scores on measures of general cognitive functioning, executive functioning, olfaction, social-emotional behaviour, emotional distress and the Expressed Emotion close informants directed towards them...
2016: Brain Injury: [BI]
Verity Stokes, Sarah Gunn, Katie Schouwenaars, Derar Badwan
The Sensory Tool to Assess Responsiveness (STAR) is an interdisciplinary neurobehavioural diagnostic tool for individuals with prolonged disorders of consciousness. It utilises current diagnostic criteria and is intended to improve upon the high misdiagnosis rate in this population. This study assesses the inter-rater reliability of the STAR and its diagnostic validity in comparison with the Coma Recovery Scale-Revised (CRS-R) and the Wessex Head Injury Matrix (WHIM). Participants were patients with severe acquired brain injury resulting in a disorder of consciousness, who were admitted to the Royal Leamington Spa Rehabilitation Hospital between 1999 and 2009...
August 5, 2016: Neuropsychological Rehabilitation
John R Kelly, Yuliya Borre, Ciaran O' Brien, Elaine Patterson, Sahar El Aidy, Jennifer Deane, Paul J Kennedy, Sasja Beers, Karen Scott, Gerard Moloney, Alan E Hoban, Lucinda Scott, Patrick Fitzgerald, Paul Ross, Catherine Stanton, Gerard Clarke, John F Cryan, Timothy G Dinan
The gut microbiota interacts with the host via neuroimmune, neuroendocrine and neural pathways. These pathways are components of the brain-gut-microbiota axis and preclinical evidence suggests that the microbiota can recruit this bidirectional communication system to modulate brain development, function and behaviour. The pathophysiology of depression involves neuroimmune-neuroendocrine dysregulation. However, the extent to which changes in gut microbiota composition and function mediate the dysregulation of these pathways is unknown...
November 2016: Journal of Psychiatric Research
Jonathan L Hess, Daniel S Tylee, Rahul Barve, Simone de Jong, Roel A Ophoff, Nishantha Kumarasinghe, Paul Tooney, Ulrich Schall, Erin Gardiner, Natalie Jane Beveridge, Rodney J Scott, Surangi Yasawardene, Antionette Perera, Jayan Mendis, Vaughan Carr, Brian Kelly, Murray Cairns, Ming T Tsuang, Stephen J Glatt
The application of microarray technology in schizophrenia research was heralded as paradigm-shifting, as it allowed for high-throughput assessment of cell and tissue function. This technology was widely adopted, initially in studies of postmortem brain tissue, and later in studies of peripheral blood. The collective body of schizophrenia microarray literature contains apparent inconsistencies between studies, with failures to replicate top hits, in part due to small sample sizes, cohort-specific effects, differences in array types, and other confounders...
October 2016: Schizophrenia Research
Ruairi C Robertson, Clara Seira Oriach, Kiera Murphy, Gerard M Moloney, John F Cryan, Timothy G Dinan, R Paul Ross, Catherine Stanton
BACKGROUND: Neurodevelopment is strongly influenced by maternal and early-postnatal diet. Omega-3 polyunsaturated fatty acids (n-3 PUFA) are vital structural and functional components of the developing brain. The gut microbiota is also influenced by n-3 PUFA status, however, little is known about the role of maternal and early-life n-3 PUFA intake on offspring gut microbiota development and subsequent interactions with central nervous system functioning and behavioural outcomes. METHODS: Pregnant female C57BL/6 mice and their male offspring were fed a control (CON), omega-3 deficient (O3-) or omega-3 supplemented (O3+) diet...
July 13, 2016: Brain, Behavior, and Immunity
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