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https://www.readbyqxmd.com/read/28535411/the-effectiveness-of-the-computerized-visual-perceptual-training-program-on-individuals-with-down-syndrome-an-fmri-study
#1
Yi-Ting Wan, Ching-Sui Chiang, Sharon Chia-Ju Chen, Yee-Pay Wuang
This study investigated the effectiveness of the Computerized Visual Perception Training (CVPT) program on individuals with Down syndrome (DS, mean age=13.17±4.35years, age range: 6.54-20.75 years). All participants have mild intellectual disability classified by the standard IQ measures (mean=61.2, ranges from 55 to 68). Both the Test of Visual Perceptual Skill- Third Edition (TVPS-3) and functional magnetic resonance imaging (fMRI) were used to evaluate the training outcomes. Results of TVPS-3 and fMRI showed that DS group had visual perceptual deficits and abnormal neural networks related to visual organization...
May 20, 2017: Research in Developmental Disabilities
https://www.readbyqxmd.com/read/28535409/mesial-temporal-lobe-epilepsy-diminishes-functional-connectivity-during-emotion-perception
#2
Bettina K Steiger, Angela M Muller, Esther Spirig, Gianina Toller, Hennric Jokeit
OBJECTIVES: Unilateral mesial temporal lobe epilepsy (MTLE) has been associated with impaired recognition of emotional facial expressions. Correspondingly, imaging studies showed decreased activity of the amygdala and cortical face processing regions in response to emotional faces. However, functional connectivity among regions involved in emotion perception has not been studied so far. METHODS: To address this, we examined intrinsic functional connectivity (FC) modulated by the perception of dynamic fearful faces among the amygdala and limbic, frontal, temporal and brainstem regions...
May 10, 2017: Epilepsy Research
https://www.readbyqxmd.com/read/28535408/differences-in-clinical-and-cognitive-variables-in-seasonal-affective-disorder-compared-to-depressive-related-disorders-evidence-from-a-population-based-study-in-finland
#3
I Morales-Muñoz, S Koskinen, T Partonen
BACKGROUND: Seasonal affective disorder (SAD) is a type of depression with seasonal pattern. Although it involves some idiosyncratic symptoms, it can overlap with other depressive disorders such as major depressive disorder (MDD) or dysthymia. We aimed to characterize the differences in specific cognitive and clinical symptoms between SAD and depressive-related disorders. METHODS: In total, 4554 Finnish subjects from the population-based Health 2011 Survey were interviewed with the Munich version of Composite International Diagnostic Interview (M-CIDI) and filled in the Seasonal Pattern Assessment Questionnaire (SPAQ)...
March 28, 2017: European Psychiatry: the Journal of the Association of European Psychiatrists
https://www.readbyqxmd.com/read/28535277/sensory-impairments-and-cognitive-function-in-middle-aged-adults
#4
Carla R Schubert, Karen J Cruickshanks, Mary E Fischer, Yanjun Chen, Barbara E K Klein, Ronald Klein, A Alex Pinto
Background: Hearing, visual, and olfactory impairments have been associated with cognitive impairment in older adults but less is known about associations with cognitive function in middle-aged adults. Methods: Sensory and cognitive functions were measured on participants in the baseline examination (2005-2008) of the Beaver Dam Offspring Study. Cognitive function was measured with the Trail Making tests A (TMTA) and B (TMTB) and the Grooved Peg Board test. Pure-tone audiometry, Pelli-Robson letter charts, and the San Diego Odor Identification test were used to measure hearing, contrast sensitivity, and olfaction, respectively...
May 23, 2017: Journals of Gerontology. Series A, Biological Sciences and Medical Sciences
https://www.readbyqxmd.com/read/28535140/relation-between-body-mass-index-and-body-image-in-spanish-and-mexican-adolescents
#5
Jesús Roberto García Sandoval, José Carlos Caracuel, Armando Cocca, Michaela Cocca, Oswaldo Ceballos Gurrola
This article aims to study the relation between Body Mass Index (BMI) and body image in adolescents from two different social environments in Spain and Mexico, and to compare the construction of an appropriate body scheme in youth from these two countries. The majority of participants were found to be in the normal weight category of BMI. No significant differences were found in BMI or body image comparing Mexican and Spanish adolescents. Regardless of the country of origin, youth belonging to the weight deficit category of BMI overestimated their body shape, whereas those pertaining to overweight and obesity categories underestimated it...
May 23, 2017: Behavioral Medicine
https://www.readbyqxmd.com/read/28534925/osmotin-loaded-magnetic-nanoparticles-with-electromagnetic-guidance-for-the-treatment-of-alzheimer-s-disease
#6
Faiz Ul Amin, Ali Kafash Hoshiar, Ton Duc Do, Yeongil Noh, Shahid Ali Shah, Muhammad Sohail Khan, Jungwon Yoon, Myeong Ok Kim
Alzheimer's disease (AD) is the most prevalent age-related neurodegenerative disease, pathologically characterized by the accumulation of aggregated amyloid beta (Aβ) in the brain. Here, we describe for the first time the development of a new, pioneering nanotechnology-based drug delivery approach for potential therapies for neurodegenerative diseases, particularly AD. We demonstrated the delivery of fluorescent carboxyl magnetic Nile Red particles (FMNPs) to the brains of normal mice using a functionalized magnetic field (FMF) composed of positive- and negative-pulsed magnetic fields generated by electromagnetic coils...
May 23, 2017: Nanoscale
https://www.readbyqxmd.com/read/28534818/a-review-of-the-impact-of-maternal-obesity-on-the-cognitive-function-and-mental-health-of-the-offspring
#7
REVIEW
Laura Contu, Cheryl A Hawkes
Globally, more than 20% of women of reproductive age are currently estimated to be obese. Children born to obese mothers are at higher risk of developing obesity, coronary heart disease, diabetes, stroke, and asthma in adulthood. Increasing clinical and experimental evidence suggests that maternal obesity also affects the health and function of the offspring brain across the lifespan. This review summarizes the current findings from human and animal studies that detail the impact of maternal obesity on aspects of learning, memory, motivation, affective disorders, attention-deficit hyperactivity disorder, autism spectrum disorders, and neurodegeneration in the offspring...
May 19, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28534735/the-use-of-the-gaps-in-noise-test-as-an-index-of-the-enhanced-left-temporal-cortical-thinning-associated-with-the-transition-between-mild-cognitive-impairment-and-alzheimer-s-disease
#8
Vasiliki Vivian Iliadou, Doris-Eva Bamiou, Christos Sidiras, Nikolaos P Moschopoulos, Magda Tsolaki, Ioannis Nimatoudis, Gail D Chermak
BACKGROUND: The known link between auditory perception and cognition is often overlooked when testing for cognition. PURPOSE: To evaluate auditory perception in a group of older adults diagnosed with mild cognitive impairment (MCI). RESEARCH DESIGN: A cross-sectional study of auditory perception. STUDY SAMPLE: Adults with MCI and adults with no documented cognitive issues and matched hearing sensitivity and age. DATA COLLECTION: Auditory perception was evaluated in both groups, assessing for hearing sensitivity, speech in babble (SinB), and temporal resolution...
May 2017: Journal of the American Academy of Audiology
https://www.readbyqxmd.com/read/28534684/observed-deficiencies-in-medical-student-knowledge-of-transgender-and-intersex-health
#9
Jennifer J Liang, Ivy H Gardner, Jacob A Walker, Joshua D Safer
BACKGROUND: Lesbian, gay, bisexual, transgender, and intersex (LGBTI) patients face many well-documented disparities in care which among transgender and intersex people can often be traced to providers' lack of knowledge. METHODS: We administered surveys to examine the self-assessed knowledge and attitudes of all medical students at Boston University regarding different LGBTI subpopulations. Survey questions were based on a Likert scale from 1-5; analysis was conducted with Wilcoxon rank sum test...
May 23, 2017: Endocrine Practice
https://www.readbyqxmd.com/read/28534484/mir-132-212-is-required-for-maturation-of-binocular-matching-of-orientation-preference-and-depth-perception
#10
Raffaele Mazziotti, Laura Baroncelli, Nicholas Ceglia, Gabriele Chelini, Grazia Della Sala, Christophe Magnan, Debora Napoli, Elena Putignano, Davide Silingardi, Jonida Tola, Paola Tognini, J Simon C Arthur, Pierre Baldi, Tommaso Pizzorusso
MicroRNAs (miRNAs) are known to mediate post-transcriptional gene regulation, but their role in postnatal brain development is still poorly explored. We show that the expression of many miRNAs is dramatically regulated during functional maturation of the mouse visual cortex with miR-132/212 family being one of the top upregulated miRNAs. Age-downregulated transcripts are significantly enriched in miR-132/miR-212 putative targets and in genes upregulated in miR-132/212 null mice. At a functional level, miR-132/212 deletion affects development of receptive fields of cortical neurons determining a specific impairment of binocular matching of orientation preference, but leaving orientation and direction selectivity unaltered...
May 23, 2017: Nature Communications
https://www.readbyqxmd.com/read/28534453/serotonin-functioning-and-adolescents-alcohol-use-a-genetically-informed-study-examining-mechanisms-of-risk
#11
Frances L Wang, Laurie Chassin, John E Bates, Danielle Dick, Jennifer E Lansford, Gregory S Pettit, Kenneth A Dodge
The current study used data from two longitudinal samples to test whether self-regulation, depressive symptoms, and aggression/antisociality were mediators in the relation between a polygenic score indexing serotonin (5-HT) functioning and alcohol use in adolescence. The results from an independent genome-wide association study of 5-hydroxyindoleacetic acid in the cerebrospinal fluid were used to create 5-HT polygenic risk scores. Adolescents and/or parents reported on adolescents' self-regulation (Time 1), depressive symptoms (Time 2), aggression/antisociality (Time 2), and alcohol use (Time 3)...
May 23, 2017: Development and Psychopathology
https://www.readbyqxmd.com/read/28534274/exploring-the-validity-of-proposed-transgenic-animal-models-of-attention-deficit-hyperactivity-disorder-adhd
#12
REVIEW
June Bryan de la Peña, Irene Joy Dela Peña, Raly James Custodio, Chrislean Jun Botanas, Hee Jin Kim, Jae Hoon Cheong
Attention-deficit/hyperactivity disorder (ADHD) is a common, behavioral, and heterogeneous neurodevelopmental condition characterized by hyperactivity, impulsivity, and inattention. Symptoms of this disorder are managed by treatment with methylphenidate, amphetamine, and/or atomoxetine. The cause of ADHD is unknown, but substantial evidence indicates that this disorder has a significant genetic component. Transgenic animals have become an essential tool in uncovering the genetic factors underlying ADHD. Although they cannot accurately reflect the human condition, they can provide insights into the disorder that cannot be obtained from human studies due to various limitations...
May 22, 2017: Molecular Neurobiology
https://www.readbyqxmd.com/read/28534187/total-hypothalamic-volume-is-reduced-in-postmortem-brains-of-male-heroin-addicts
#13
Ulf J Müller, Kolja Schiltz, Christian Mawrin, Henrik Dobrowolny, Thomas Frodl, Hans-Gert Bernstein, Bernhard Bogerts, Kurt Truebner, Johann Steiner
The hypothalamus is at the core of the stress responses systems of the brain. Most interestingly, even though changes of HPA-function have been observed in opiate addiction not much is known about structural changes of the hypothalamus. Volumes of hypothalamus in heroin addicts (n = 14) and healthy controls (n = 12) were assessed by using morphometry of serial whole-brain sections. Total brain volume was larger in the heroin group (mean 1478.85 ± 62.34 cm(3) vs. mean 1352.38 ± 103.24 cm(3)), as the heroin group was more than 10 years younger (p = 0...
May 22, 2017: European Archives of Psychiatry and Clinical Neuroscience
https://www.readbyqxmd.com/read/28534123/attention-deficit-hyperactivity-disorder-symptoms-and-psychological-comorbidity-in-eating-disorder-patients
#14
L Sala, G Martinotti, M L Carenti, L Romo, M Oumaya, A Pham-Scottez, F Rouillon, P Gorwood, L Janiri
PURPOSE: There is some evidence that eating disorders (ED) and Attention-deficit/hyperactivity disorder (ADHD) share common clinical features and that ADHD might contribute to the severity of eating disorders. A greater understanding of how the presence of comorbid ADHD may affect the psychopathological framework of eating disorder seems of primary importance. The aim of our study was to evaluate rates of ADHD in three ED subgroups of inpatients: anorexia nervosa restricting type (AN-R), anorexia nervosa binge-eating/purging type (AN-BP) and bulimia nervosa (BN)...
May 22, 2017: Eating and Weight Disorders: EWD
https://www.readbyqxmd.com/read/28534093/quality-of-life-among-perinatally-hiv-affected-and-hiv-unaffected-school-aged-and-adolescent-ugandan-children-a-multi-dimensional-assessment-of-wellbeing-in-the-post-haart-era
#15
A K Nkwata, S K Zalwango, F N Kizza, J N Sekandi, J Mutanga, M Zhang, P M Musoke, A E Ezeamama
OBJECTIVE: To examine quality of life (QOL) in perinatally HIV-infected (PHIV) or HIV-exposed uninfected (PHEU) vs. healthy HIV-unexposed uninfected (HUU) children during school-age/adolescence. METHODS: PHIV infection was diagnosed via DNA PCR. Current HIV status was confirmed by HIV rapid diagnostic test. Three HIV groups were defined: PHIV, PHEU, and HUU. QOL was assessed with proxy and self-report versions of the PedsQL™ 4.0 instrument at 6-18 years of age...
May 22, 2017: Quality of Life Research
https://www.readbyqxmd.com/read/28534048/the-first-report-of-cadasil-in-peru-olfactory-dysfunction-on-initial-presentation
#16
Anastasia Vishnevetsky, Miguel Inca-Martinez, Karina Milla-Neyra, Danny Moises Barrientos-Iman, Ivan Cornejo-Herrera, Carlos Cosentino, Mario Cornejo-Olivas
Cerebral autosomal dominant arteriopathy with subcortical infarcts and leucoencephalopathy (CADASIL) is a rare, heritable, small vessel vascular disease caused by mutations in the Notch3 gene that is characterized by migraines, subcortical vascular events, cognitive decline, and mood disturbances. However, many CADASIL cases present with unusual symptoms such as status epilepticus, a movement disorder, or sensory dysfunction. This study describes the clinical, genetic, and radiologic characteristics of a Peruvian family with CADASIL in which multiple family members presented with severe olfactory deficits...
December 2016: ENeurologicalSci
https://www.readbyqxmd.com/read/28533945/the-role-of-speed-in-adhd-related-working-memory-deficits-a-time-based-resource-sharing-and-diffusion-model-account
#17
Alexander Weigard, Cynthia Huang-Pollock
Several recent commentaries suggest that, for psychological science to move beyond "homuncular" explanations for cognitive control, it is critically important to examine the role of basic and computationally well-defined processes (e.g. cognitive processing speed). Correlational evidence has previously linked slow speed to working memory (WM) deficits in ADHD, but the directionality of this relationship has not been investigated experimentally and the mechanisms through which speed may influence WM are unclear...
March 2017: Clinical Psychological Science
https://www.readbyqxmd.com/read/28533584/reversal-learning-deficits-in-criminal-offenders-effects-of-psychopathy-substance-use-and-childhood-maltreatment-history
#18
Monika Dargis, Richard C Wolf, Michael Koenigs
Deficits in reinforcement learning are presumed to underlie the impulsive and incorrigible behavior exhibited by psychopathic criminals. However, previous studies documenting reversal learning impairments in psychopathic individuals have not investigated this relationship across a continuous range of psychopathy severity, nor have they examined how reversal learning impairments relate to different psychopathic traits, such as the interpersonal-affective and lifestyle-antisocial dimensions. Furthermore, previous studies have not considered the role that childhood maltreatment and substance use may have in this specific cognitive deficit...
June 2017: Journal of Psychopathology and Behavioral Assessment
https://www.readbyqxmd.com/read/28533517/vortioxetine-reduces-bold-signal-during-performance-of-the-n-back-working-memory-task-a-randomised-neuroimaging-trial-in-remitted-depressed-patients-and-healthy-controls
#19
J Smith, M Browning, S Conen, R Smallman, J Buchbjerg, K G Larsen, C K Olsen, S R Christensen, G R Dawson, J F Deakin, P Hawkins, R Morris, G Goodwin, C J Harmer
Cognitive dysfunction is common in depression during both acute episodes and remission. Vortioxetine is a novel multimodal antidepressant that has improved cognitive function including executive function in depressed patients in randomised placebo-controlled clinical trials. However, it is unclear whether vortioxetine is able to target directly the neural circuitry implicated in the cognitive deficits in depression. Remitted depressed (n=48) and healthy volunteers (n=48) were randomised to receive 14 days treatment with 20 mg vortioxetine or placebo in a double-blind design...
May 23, 2017: Molecular Psychiatry
https://www.readbyqxmd.com/read/28533516/asd-restricted-and-repetitive-behaviors-associated-at-17q21-33-genes-prioritized-by-expression-in-fetal-brains
#20
R M Cantor, L Navarro, H Won, R L Walker, J K Lowe, D H Geschwind
Autism spectrum disorder (ASD) is a behaviorally defined condition that manifests in infancy or early childhood as deficits in communication skills and social interactions. Often, restricted and repetitive behaviors (RRBs) accompany this disorder. ASD is polygenic and genetically complex, so we hypothesized that focusing analyses on intermediate core component phenotypes, such as RRBs, can reduce genetic heterogeneity and improve statistical power. Applying this approach, we mined Caucasian genome-wide association studies (GWAS) data from two of the largest ASD family cohorts, the Autism Genetics Resource Exchange and Autism Genome Project (AGP)...
May 23, 2017: Molecular Psychiatry
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