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https://www.readbyqxmd.com/read/28647493/associations-between-the-dbh-gene-plasma-dopamine-%C3%AE-hydroxylase-activity-and-cognitive-measures-in-han-chinese-patients-with-schizophrenia
#1
Zuoli Sun, Yun Ma, Wenbiao Li, Jing He, Jun Li, Xue Yang, Peixian Mao, Joseph F Cubells, Yilang Tang
The dopamine (DA) and norepinephrine (NE) systems modulate cognitive function. Dopamine β-hydroxylase (DβH) converts DA to NE, and its activity is under strong genetic control. This study examines the association of plasma DβH (pDβH) activity, DBH gene polymorphisms (-1021C>T, rs1611115 and 444G>A, rs1108580) and cognitive deficits in Han Chinese patients with schizophrenia. We assessed pDβH activity and cognitive function using the Verbal Fluency Test (VFT), Trail Making Test (TMT) A-B, Stroop color-word test and Wisconsin Card Sorting Test (WCST) in 200 patients with schizophrenia before and after 8weeks of antipsychotic treatment (96 patients completed assessments at baseline and post-treatment)...
June 21, 2017: Schizophrenia Research
https://www.readbyqxmd.com/read/28645200/prognostic-awareness-prognostic-communication-and-cognitive-function-in-patients-with-malignant-glioma
#2
Eli L Diamond, Holly G Prigerson, Denise C Correa, Anne Reiner, Katherine Panageas, Maria Kryza-Lacombe, Justin Buthorn, Elizabeth C Neil, Alex M Miller, Lisa M DeAngelis, Allison J Applebaum
Background: Malignant glioma (MG) is a devastating neuro-oncologic disease with almost invariably poor prognosis. Prognostic awareness (PA) is the awareness of incurable disease and shortened life-expectancy (LE). Accurate PA is associated with favorable psychological outcomes at the end-of-life (EOL) for patients with cancer, however little is known about PA or prognostic communication in MG. Moreover, research has yet to evaluate the impact of cognitive impairment on PA and preferred forms of communication...
June 22, 2017: Neuro-oncology
https://www.readbyqxmd.com/read/28639097/effect-of-an-internet-based-telehealth-system-on-functional-capacity-and-cognition-in-breast-cancer-survivors-a-secondary-analysis-of-a-randomized-controlled-trial
#3
Noelia Galiano-Castillo, Manuel Arroyo-Morales, Mario Lozano-Lozano, Carolina Fernández-Lao, Lydia Martín-Martín, Rosario Del-Moral-Ávila, Irene Cantarero-Villanueva
PURPOSE: This trial determines the effect of an Internet-based tailored exercise program compared to usual care control for improving functional capacity and cognition among breast cancer survivors. METHODS: A two-arm, assessor-blinded, parallel, randomized controlled efficacy trial was conducted. Participants were recruited from the Oncology and Breast unit at the Virgen de las Nieves Hospital (Granada, Spain) between March 2012 to November 2013 and randomized to either the experimental group (an 8-week Internet-based tailored exercise program) or control group (usual care)...
June 22, 2017: Supportive Care in Cancer: Official Journal of the Multinational Association of Supportive Care in Cancer
https://www.readbyqxmd.com/read/28638329/the-contribution-of-cognitive-factors-to-individual-differences-in-understanding-noise-vocoded-speech-in-young-and-older-adults
#4
Stephanie Rosemann, Carsten Gießing, Jale Özyurt, Rebecca Carroll, Sebastian Puschmann, Christiane M Thiel
Noise-vocoded speech is commonly used to simulate the sensation after cochlear implantation as it consists of spectrally degraded speech. High individual variability exists in learning to understand both noise-vocoded speech and speech perceived through a cochlear implant (CI). This variability is partly ascribed to differing cognitive abilities like working memory, verbal skills or attention. Although clinically highly relevant, up to now, no consensus has been achieved about which cognitive factors exactly predict the intelligibility of speech in noise-vocoded situations in healthy subjects or in patients after cochlear implantation...
2017: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/28634459/cognitive-correlates-of-different-mentalizing-abilities-in-individuals-with-high-and-low-trait-schizotypy-findings-from-an-extreme-group-design
#5
Krisztina Kocsis-Bogár, Simone Kotulla, Susanne Maier, Martin Voracek, Kristina Hennig-Fast
Mentalizing or Theory of Mind (ToM) deficits in schizophrenia have been studied to great extent, but studies involving samples of trait schizotypy yield ambiguous results. Executive functions like cognitive inhibition, cognitive flexibility, and agency are all prerequisites of mentalizing, and it is assumed that the impairment of these functions contributes to ToM deficits in schizophrenia. Whether these impairments influence the ToM performance of people with high trait schizotypy remains unclear. Although impaired self-agency has repeatedly been identified in people with schizotypy, its role in mentalizing is yet to be investigated...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28629965/%C3%A2-cortical-atrophy-is-associated-with-accelerated-cognitive-decline-in-mild-cognitive-impairment-with-subsyndromal-depression
#6
Mitzi M Gonzales, Philip S Insel, Craig Nelson, Duygu Tosun, Niklas Mattsson, Susanne G Mueller, Simona Sacuiu, David Bickford, Michael W Weiner, R Scott Mackin
OBJECTIVES: To investigate the association between cognitive decline and cortical atrophy in individuals with mild cognitive impairment (MCI) and chronic subsyndromal symptoms of depression (SSD) over a 4-year period. DESIGN: Prospective cohort study. SETTING: Multicenter, clinic-based. PARTICIPANTS: Within the Alzheimer's Disease Neuroimaging Initiative repository, the Neuropsychiatric Inventory was used to identify individuals with MCI and stable endorsement (SSD group N = 32) or no endorsement (non-SSD group N = 69) of depressive symptoms across time points...
April 20, 2017: American Journal of Geriatric Psychiatry
https://www.readbyqxmd.com/read/28626328/differences-in-attention-hand-dexterity-and-lower-extremity-activities-in-the-presence-or-absence-of-a-time-limit
#7
Hyo-Lyun Roh
[Purpose] The purpose of this study was to investigate how a time limit affects day-to-day tasks such as attention, hand dexterity, and sit to standing and sitting activity. The grounds for using a time limit as a method of learning tasks related to daily living are examined based on the results of this investigation. [Subjects and Methods] The subjects consisted of 51 healthy college students (20 males and 31 females). The task performance time for SESSION 1, in which there was no time limit, was measured and the task duration privately recorded...
June 2017: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/28622557/the-executive-profile-of-children-with-benign-epilepsy-of-childhood-with-centrotemporal-spikes-and-temporal-lobe-epilepsy
#8
Ellen M Lima, Patricia Rzezak, Catarina A Guimarães, Maria A Montenegro, Marilisa M Guerreiro, Kette D Valente
RATIONALE: Benign Epilepsy of Childhood with Centrotemporal Spikes (BECTS) and temporal lobe epilepsy (TLE) represent two distinct models of focal epilepsy of childhood. In both, there is evidence of executive dysfunction. The purpose of the present study was to identify particular deficits in the executive function that would distinguish children with BECTS from children with TLE. METHODS: We prospectively evaluated 19 consecutive children and adolescents with TLE with hippocampal sclerosis (HS) (57...
June 13, 2017: Epilepsy & Behavior: E&B
https://www.readbyqxmd.com/read/28621495/the-spectrum-of-pre-dementia-stages-cognitive-profile-of-motoric-cognitive-risk-syndrome-and-relationship-with-mild-cognitive-impairment
#9
H Sekhon, G Allali, C P Launay, J Chabot, O Beauchet
BACKGROUND AND PURPOSE: Motoric cognitive risk (MCR) syndrome is a pre-dementia syndrome. There is little information on the cognitive profile of individuals with MCR syndrome and its overlap with mild cognitive impairment (MCI) syndrome. This study aimed to examine and compare the cognitive performance of non-demented older community dwellers with and without MCR and MCI syndromes. METHODS: A total of 291 non-demented individuals were selected from the Gait and Alzheimer Interactions Tracking study, which is a cross-sectional study...
June 16, 2017: European Journal of Neurology: the Official Journal of the European Federation of Neurological Societies
https://www.readbyqxmd.com/read/28615758/regional-cerebral-glucose-metabolism-and-its-association-with-phenotype-and-cognitive-functioning-in-patients-with-autism
#10
B N Anil Kumar, Savita Malhotra, Anish Bhattacharya, Sandeep Grover, Y K Batra
INTRODUCTION: In spite of three decades of neuroimaging, we are unable to find consistent and coherent anatomical or pathophysiological basis for autism as changes are subtle and there are no studies from India. AIM: To study the regional cerebral glucose metabolism in children with autism using positron emission tomography (PET) scan and to study the behavior and cognitive functioning among them. MATERIALS AND METHODS: Ten subjects (8-19 years) meeting Diagnostic and Statistical Manual of Mental Disorders, Fourth Edition criteria for autism were evaluated on Childhood Autism Rating Scale (CARS), trail making test (TMT) A and B, Wisconsin card sorting test, Raven's progressive matrices, and PET scan...
May 2017: Indian Journal of Psychological Medicine
https://www.readbyqxmd.com/read/28615756/neurocognitive-impairments-in-unaffected-first-degree-relatives-of-schizophrenia
#11
Virupaksha Shanmugam Harave, Venkataram Shivakumar, Sunil V Kalmady, Janardhanan C Narayanaswamy, Shivarama Varambally, Ganesan Venkatasubramanian
BACKGROUND: Neurocognitive impairments of attention and executive functioning are trait abnormalities in schizophrenia, and these are considered to be endophenotypes. These deficits have been convincingly linked to prefrontal cortical functioning. In this study, we examined the cognitive performance in the domains of attention and executive functioning among first-degree relatives of Indian people with schizophrenia (high-risk [HR] patients) compared to healthy controls (HC). MATERIALS AND METHODS: Siblings of patients with DSM-IV schizophrenia, HR patients (n = 17), were compared with HC (n = 30) (matched as a group for age, sex, years of education, and handedness) using the following neurocognitive tests for attention and executive function - digit span test (DST), trail making test, letter-number sequencing (LNS), and spatial span test...
May 2017: Indian Journal of Psychological Medicine
https://www.readbyqxmd.com/read/28613138/a-neuropsychological-study-of-older-adult-first-time-sex-offenders
#12
Marcelo Rodriguez, Philip Boyce, John Hodges
BACKGROUND/AIMS: The issue of whether sex offenders have cognitive deficits remains controversial. The objective of this study was to compare the neuropsychological function of older adult first time sex-offenders (FTSO), who had not previously been charged with a sexual offence prior to the age of 50, to historical long-term sex offenders (HSO) and non-sex offenders (NSO). The hypotheses were (a) that FTSO would demonstrate greater deficits in executive function, decision-making, and memory compared to non-sex offenders; and (b) the HSOs would present similar neuropsychological deficits to non-sex offenders...
June 14, 2017: Neurocase
https://www.readbyqxmd.com/read/28604410/feasibility-and-neurobehavioral-changes-of-10-day-simulated-microgravity-in-acute-ischemic-stroke-patients
#13
Kyo-In Koo, Dae Kwon Park, Chang Ho Hwang
OBJECTIVE: The aim of the study was to investigate feasibility and functional changes of simulated microgravity with 6-degree head-down-tilt (HDT) bed rest in acute ischemic stroke. DESIGN: Patients without lesions in the cingulate cortex and/or cerebellum were enrolled. They underwent HDT for 30 minutes twice per day for 10 weekdays. Systolic blood pressure, diastolic blood pressure, and heart rate were measured before the HDT, immediately after, and also 30 minutes after the stop...
June 9, 2017: American Journal of Physical Medicine & Rehabilitation
https://www.readbyqxmd.com/read/28601572/corpus-callosum-atrophy-as-a-marker-of-clinically-meaningful-cognitive-decline-in-secondary-progressive-multiple-sclerosis-impact-on-employment-status
#14
Athanasios Papathanasiou, Lambros Messinis, Petros Zampakis, Panagiotis Papathanasopoulos
Cognitive impairment in Multiple Sclerosis (MS) is more frequent and pronounced in secondary progressive MS (SPMS). Cognitive decline is an important predictor of employment status in patients with MS. Magnetic Resonance Imaging (MRI) markers have been used to associate tissue damage with cognitive dysfunction. The aim of the study was to designate the MRI marker that predicts cognitive decline in SPMS and explore its effect on employment status. 30 SPMS patients and 30 healthy participants underwent neuropsychological assessment using the Trail Making Test (TMT) parts A and B, semantic and phonological verbal fluency task and a computerized cognitive screening battery (Central Nervous System Vital Signs)...
June 7, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/28601380/reprint-of-trouble-on-takeoff-crude-oil-on-feathers-reduces-escape-performance-of-shorebirds
#15
Ivan Maggini, Lisa V Kennedy, Kyle H Elliott, Karen M Dean, Robert MacCurdy, Alexander Macmillan, Chris A Pritsos, Christopher G Guglielmo
The ability to takeoff quickly and accelerate away from predators is crucial to bird survival. Crude oil can disrupt the fine structure and function of feathers, and here we tested for the first time how small amounts of oil on the trailing edges of the wings and tail of Western sandpipers (Calidris mauri) affected takeoff flight performance. In oiled birds, the distance travelled during the first 0.4s after takeoff was reduced by 29%, and takeoff angle was decreased by 10° compared to unoiled birds. Three-axis accelerometry indicated that oiled sandpipers produced less mechanical power output per wingbeat during the initial phase of flight...
June 7, 2017: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/28596731/gait-is-associated-with-cognitive-flexibility-a-dual-tasking-study-in-healthy-older-people
#16
Markus A Hobert, Sinja I Meyer, Sandra E Hasmann, Florian G Metzger, Ulrike Suenkel, Gerhard W Eschweiler, Daniela Berg, Walter Maetzler
Objectives: To analyze which gait parameters are primarily influenced by cognitive flexibility, and whether such an effect depends on the walking condition used. Design: Cross-sectional analysis. Setting: Tübingen evaluation of Risk factors for Early detection of Neurodegenerative Disorders. Participants: A total of 661 non-demented individuals (49-80 years). Measurements: A gait assessment with four conditions was performed: a 20 m walk at convenient speed (C), at fast speed (F), at fast speed while checking boxes (FB), and while subtracting serial 7s (FS)...
2017: Frontiers in Aging Neuroscience
https://www.readbyqxmd.com/read/28596126/reaction-time-processing-speed-and-sustained-attention-in-schizophrenia-impact-on-social-functioning
#17
Guillermo Lahera, Alicia Ruiz, Antía Brañas, María Vicens, Arantxa Orozco
INTRODUCTION: Previous studies have linked processing speed with social cognition and functioning of patients with schizophrenia. A discriminant analysis is needed to determine the different components of this neuropsychological construct. This paper analyzes the impact of processing speed, reaction time and sustained attention on social functioning. MATERIAL AND METHODS: 98 outpatients between 18 and 65 with DSM-5 diagnosis of schizophrenia, with a period of 3 months of clinical stability, were recruited...
June 5, 2017: Revista de Psiquiatrí́a y Salud Mental
https://www.readbyqxmd.com/read/28595478/validating-multidimensional-outcome-assessment-using-the-tbi-common-data-elements-an-analysis-of-the-track-tbi-pilot-sample
#18
Lindsay D Nelson, Jana Ranson, Adam R Ferguson, Joseph Giacino, David O Okonkwo, Alex Valadka, Geoffrey Manley, Michael McCrea
The Glasgow Outcome Scale-Extended (GOSE) is often the primary outcome measure in clinical trials for traumatic brain injury (TBI). Although the GOSE's capture of global function outcome has several strengths, concerns have been raised about its limited ability to identify mild disability and failure to capture the full scope of problems patients exhibit after TBI. This analysis examined the convergence of disability ratings across a multidimensional set of outcome domains in the Transforming Research and Clinical Knowledge in Traumatic Brain Injury (TRACK-TBI) Pilot study...
June 8, 2017: Journal of Neurotrauma
https://www.readbyqxmd.com/read/28594189/shifting-between-mental-sets-an-individual-differences-approach-to-commonalities-and-differences-of-task-switching-components
#19
Claudia C von Bastian, Michel D Druey
Switching between mental sets has been extensively investigated in both experimental and individual differences research using a wide range of task-switch paradigms. However, it is yet unclear whether these different tasks measure a unitary shifting ability or reflect different facets thereof. In this study, 20 task pairs were administered to 119 young adults to assess 5 proposed components of mental set shifting: switching between judgments, stimulus dimensions, stimulus-response mappings, response sets, and stimulus sets...
June 8, 2017: Journal of Experimental Psychology. General
https://www.readbyqxmd.com/read/28592160/using-virtual-reality-to-investigate-multitasking-ability-in-individuals-with-frontal-lobe-lesions
#20
Tanya Denmark, Jessica Fish, Ashok Jansari, Jignesh Tailor, Keyoumars Ashkan, Robin Morris
Individuals with lesions in the prefrontal cortex often show impairments with the organisation of their behaviour in everyday life. These difficulties can be hard to detect using structured formal tests. The objective of this study was to use Virtual Reality (VR) to explore the multitasking performance of individuals with focal frontal lobe lesions, specifically using the Jansari assessment of Executive Functions (JEF(©)). Nineteen individuals with frontal lobe lesions were compared with 19 matched controls on the test and a group of commonly used clinical measures of neuropsychological functioning, as well as questionnaire measures of everyday activity, anxiety and depression...
June 8, 2017: Neuropsychological Rehabilitation
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