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Brain and Behavior

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https://www.readbyqxmd.com/read/28032011/erratum-brain-metabolite-levels-and-language-abilities-in-preschool-children
#1
Catherine Lebel, Frank P MacMaster, Deborah Dewey
[This corrects the article DOI: 10.1002/brb3.547.].
December 2016: Brain and Behavior
https://www.readbyqxmd.com/read/28032010/erratum-relationship-between-dyslipidemia-and-carotid-plaques-in-a%C3%A2-high-stroke-risk-population-in-shandong-province-china
#2
Te Mi, Shangwen Sun, Guoqing Zhang, Yaser Carcora, Yifeng Du, Shougang Guo, Mingfeng Cao, Qiang Zhu, Yongxiang Wang, Qinjian Sun, Xiang Wang, Chuanqiang Qu
[This corrects the article DOI: 10.1002/brb3.473.].
December 2016: Brain and Behavior
https://www.readbyqxmd.com/read/28032009/assessment-of-feigned-cognitive-impairment-in-severe-traumatic-brain-injury-patients-with-the-forced-choice-graphics-memory-test
#3
Zilong Liu, Juan Dong, Xiaohong Zhao, Xiaorui Chen, Sara M Lippa, Jerome S Caroselli, Xiang Fang
INTRODUCTION: The Forced-choice Graphics Memory Test (FGMT) is a newly developed measure to assess feigned cognitive impairment. This study investigated the ability and reliability of FGMT for identification of malingering in patients with traumatic brain injury (TBI). METHODS: The FGMT was administered to 40 healthy volunteers instructed to respond validly (Healthy Control, H-C), 40 healthy volunteers instructed to feign cognitive impairment (Healthy Malingering, H-M), 40 severe TBI patients who responded validly (TBI control, TBI-C), and 30 severe TBI patients who evidenced invalid performance (TBI malingering, TBI-M)...
December 2016: Brain and Behavior
https://www.readbyqxmd.com/read/28032008/effects-of-isoflurane-anesthesia-on-resting-state-fmri-signals-and-functional-connectivity-within-primary-somatosensory-cortex-of-monkeys
#4
Tung-Lin Wu, Arabinda Mishra, Feng Wang, Pai-Feng Yang, John C Gore, Li Min Chen
INTRODUCTION: Correlated low-frequency fluctuations of resting-state functional magnetic resonance imaging (rsfMRI) signals have been widely used for inferring intrinsic brain functional connectivity (FC). In animal studies, accurate estimate of anesthetic effects on rsfMRI signals is demanded for reliable interpretations of FC changes. We have previously shown that inter-regional FC can reliably delineate local millimeter-scale circuits within digit representations of primary somatosensory cortex (S1) subregions (areas 3a, 3b, and 1) in monkeys under isoflurane anesthesia...
December 2016: Brain and Behavior
https://www.readbyqxmd.com/read/28032007/cognition-depression-fatigue-and-quality-of-life-in-primary-sj%C3%A3-gren-s-syndrome-correlations
#5
Belgin Koçer, Mehmet Engin Tezcan, Hale Zeynep Batur, Şeminur Haznedaroğlu, Berna Göker, Ceyla İrkeç, Rümeysa Çetinkaya
OBJECTIVE: The aim of the present study was to investigate the prevalence and pattern of cognitive dysfunction observed in primary Sjögren's syndrome (PSS) and to examine the relationships between cognitive abilities, depression, fatigue, and quality of life. MATERIALS AND METHODS: Thirty-two subjects with PSS were compared with 19 healthy controls on comprehensive neuropsychological, depression, fatigue, health state, and daily-life activities tests. RESULTS: There was low performance in Clock Drawing, COWAT, Paced Auditory Serial Addition Test (PASAT), Colorless Word Reading (Stroop1) and Recognizing Colors (Stroop2) Patterns of STROOP test, SDLT, Auditory-Verbal Learning Test (AVLT), immediate and long-term verbal memory, Benton Judgment of Line Orientation Test (BJLOT), and in all the patterns of RCFT in PSS patients compared to the healthy control group (p < ...
December 2016: Brain and Behavior
https://www.readbyqxmd.com/read/28032006/brain-functional-connectivity-abnormalities-in-attention-deficit-hyperactivity-disorder
#6
Richard B Silberstein, Andrew Pipingas, Maree Farrow, Florence Levy, Con K Stough, David A Camfield
INTRODUCTION: Recent evidence suggests that attention-deficit hyperactivity disorder (ADHD) is associated with brain functional connectivity (FC) abnormalities. METHODS: In this study, we use steady-state visually evoked potential event-related partial coherence as a measure of brain FC to examine functional connectivity differences between a typically developing (TD) group of 25 boys and an age/IQ-matched group of 42 drug naive boys newly diagnosed with ADHD (ADHD group)...
December 2016: Brain and Behavior
https://www.readbyqxmd.com/read/28032005/dopaminergic-modulation-of-default-mode-network-brain-functional-connectivity-in-attention-deficit-hyperactivity-disorder
#7
Richard B Silberstein, Andrew Pipingas, Maree Farrow, Florence Levy, Con K Stough
INTRODUCTION: Recent evidence suggests that attention deficit hyperactivity disorder (ADHD) is associated with a range of brain functional connectivity abnormalities, with one of the most prominent being reduced inhibition of the default mode network (DMN) while performing a cognitive task. In this study, we examine the effects of a methylphenidate dose on brain functional connectivity in boys diagnosed with ADHD while they performed a cognitive task. METHOD: Brain functional connectivity was estimated using steady-state visual evoked potential partial coherence before and 90 min after the administration of a methylphenidate dose to 42 stimulant drug-naïve boys newly diagnosed with ADHD while they performed the A-X version of the continuous performance task (CPT A-X)...
December 2016: Brain and Behavior
https://www.readbyqxmd.com/read/28032004/orbitofrontal-cortical-thinning-and-aggression-in-mild-traumatic-brain-injury-patients
#8
Daniel J Epstein, Margaret Legarreta, Elliot Bueler, Jace King, Erin McGlade, Deborah Yurgelun-Todd
INTRODUCTION: Although mild traumatic brain injury (mTBI) comprises 80% of all TBI, the morphological examination of the orbitofrontal cortex (OFC) in relation to clinical symptoms such as aggression, anxiety and depression in a strictly mTBI sample has never before been performed. OBJECTIVES: The primary objective of the study was to determine if mTBI patients would show morphological differences in the OFC and if the morphology of this region would relate to clinical symptoms...
December 2016: Brain and Behavior
https://www.readbyqxmd.com/read/28032003/a-rare-association-between-multiple-sclerosis-and-charcot-marie-tooth-type-1b
#9
Rosa Cortese, Stefano Zoccolella, Maria Muglia, Alessandra Patitucci, Antonio Scarafino, Damiano Paolicelli, Isabella Laura Simone
The association between multiple sclerosis (MS) and hereditary and sporadic demyelinating disorders of the peripheral nervous system is extremely rare. We herein report a case of Charcot-Marie-Tooth disease type 1B with p.Val102fs mutation in the MPZ gene that developed relapsing remitting MS.
December 2016: Brain and Behavior
https://www.readbyqxmd.com/read/28032002/fmri-functional-connectivity-of-the-periaqueductal-gray-in-ptsd-and-its-dissociative-subtype
#10
Sherain Harricharan, Daniela Rabellino, Paul A Frewen, Maria Densmore, Jean Théberge, Margaret C McKinnon, Allan N Schore, Ruth A Lanius
BACKGROUND: Posttraumatic stress disorder (PTSD) is associated with hyperarousal and active fight or flight defensive responses. By contrast, the dissociative subtype of PTSD, characterized by depersonalization and derealization symptoms, is frequently accompanied by additional passive or submissive defensive responses associated with autonomic blunting. Here, the periaqueductal gray (PAG) plays a central role in defensive responses, where the dorsolateral (DL-PAG) and ventrolateral PAG (VL-PAG) are thought to mediate active and passive defensive responses, respectively...
December 2016: Brain and Behavior
https://www.readbyqxmd.com/read/28032001/sensory-reanimation-of-the-hand-by-transfer-of-the-superficial-branch-of-the-radial-nerve-to-the-median-and-ulnar-nerve
#11
Thilo L Schenck, Shenyu Lin, Jessica K Stewart, Konstantin C Koban, Michaela Aichler, Farid Rezaeian, Riccardo E Giunta
BACKGROUND: It remains a surgical challenge to treat high-grade nerve injuries of the upper extremity. Extra-anatomic reconstructions through the transfer of peripheral nerves have gained clinical importance over the past decades. This contribution outlines the anatomic and histomorphometric basis for the transfer of the superficial branch of the radial nerve (SBRN) to the median nerve (MN) and the superficial branch of the ulnar nerve (SBUN). METHODS: The SBRN, MN, and SBUN were identified in 15 specimens and the nerve transfer performed...
December 2016: Brain and Behavior
https://www.readbyqxmd.com/read/28032000/reduced-brain-activation-during-inhibitory-control-in-children-with-comt-val-val-genotype
#12
Lora M Cope, Jillian E Hardee, Mary E Soules, Margit Burmeister, Robert A Zucker, Mary M Heitzeg
INTRODUCTION: Behavioral undercontrol is a well-established risk factor for substance use disorder, identifiable at an early age well before the onset of substance use. However, the biological mechanistic structure underlying the behavioral undercontrol/substance use relationship is not well understood. The enzyme catechol O-methyltransferase (COMT) catabolizes dopamine and norepinephrine in the prefrontal cortex and striatum, brain regions involved in behavioral control. The goal of this work was to investigate the association between genetic variation in COMT functioning and fronto-striatal brain functioning during successful inhibitory control, a critical aspect of behavioral control...
December 2016: Brain and Behavior
https://www.readbyqxmd.com/read/28031999/sleep-duration-and-resting-fmri-functional-connectivity-examination-of-short-sleepers-with-and-without-perceived-daytime-dysfunction
#13
Brian J Curtis, Paula G Williams, Christopher R Jones, Jeffrey S Anderson
BACKGROUND: Approximately 30% of the U.S. population reports recurrent short sleep; however, perceived sleep need varies widely among individuals. Some "habitual short sleepers" routinely sleep 4-6 hr/night without self-reported adverse consequences. Identifying neural mechanisms underlying individual differences in perceived sleep-related dysfunction has important implications for understanding associations between sleep duration and health. METHOD: This study utilized data from 839 subjects of the Human Connectome Project to examine resting functional connectivity associations with self-reported short sleep duration, as well as differences between short sleepers with versus without reported dysfunction...
December 2016: Brain and Behavior
https://www.readbyqxmd.com/read/28031998/different-mechanosensory-stimulations-of-the-lower-back-elicit-specific-changes-in-hemodynamics-and-oxygenation-in-cortical-sensorimotor-areas-a-fnirs-study
#14
Andrea Vrana, Michael L Meier, Sabina Hotz-Boendermaker, Barry K Humphreys, Felix Scholkmann
BACKGROUND AND OBJECTIVES: This study aimed at investigating the feasibility of functional near-infrared spectroscopy (fNIRS) to measure changes in cerebral hemodynamics and oxygenation evoked by painful and nonpainful mechanosensory stimulation on the lower back. The main objectives were to investigate whether cortical activity can be (1) detected using functional fNIRS, and (2) if it is possible to distinguish between painful and nonpainful pressure as well as a tactile brushing stimulus based on relative changes in oxy- and deoxyhemoglobin ([O2Hb] and [HHb])...
December 2016: Brain and Behavior
https://www.readbyqxmd.com/read/28031997/cortical-asymmetry-in-parkinson-s-disease-early-susceptibility-of-the-left-hemisphere
#15
Daniel O Claassen, Katherine E McDonell, Manus Donahue, Shiv Rawal, Scott A Wylie, Joseph S Neimat, Hakmook Kang, Peter Hedera, David Zald, Bennett Landman, Benoit Dawant, Swati Rane
BACKGROUND AND PURPOSE: Clinically, Parkinson's disease (PD) presents with asymmetric motor symptoms. The left nigrostriatal system appears more susceptible to early degeneration than the right, and a left-lateralized pattern of early neuropathological changes is also described in several neurodegenerative conditions, including Alzheimer's disease, frontotemporal dementia, and Huntington's disease. In this study, we evaluated hemispheric differences in estimated rates of atrophy in a large, well-characterized cohort of PD patients...
December 2016: Brain and Behavior
https://www.readbyqxmd.com/read/28031996/structural-and-functional-neural-correlates-of-spatial-navigation-a-combined-voxel-based-morphometry-and-functional-connectivity-study
#16
Xin Hao, Yi Huang, Xueting Li, Yiying Song, Xiangzhen Kong, Xu Wang, Zetian Yang, Zonglei Zhen, Jia Liu
INTRODUCTION: Navigation is a fundamental and multidimensional cognitive function that individuals rely on to move around the environment. In this study, we investigated the neural basis of human spatial navigation ability. METHODS: A large cohort of participants (N > 200) was examined on their navigation ability behaviorally and structural and functional magnetic resonance imaging (MRI) were then used to explore the corresponding neural basis of spatial navigation...
December 2016: Brain and Behavior
https://www.readbyqxmd.com/read/28031995/prevalence-of-progressive-supranuclear-palsy-in-yonago-change-throughout-a-decade
#17
Hiroshi Takigawa, Michio Kitayama, Kenji Wada-Isoe, Hisanori Kowa, Kenji Nakashima
BACKGROUND: Progressive supranuclear palsy (PSP) is a neurodegenerative disorder that is sometimes confused with Parkinson's disease, multiple system atrophy, and other disorders. The typical clinical features are categorized as Richardson's syndrome (RS), but other clinical subtypes include PSP-parkinsonism (PSP-P) and PSP-pure akinesia with gait freezing (PSP-PAGF). In this study, we determined the prevalence of PSP in a Japanese rural area compared to our previous 1999 report. METHODS: We collected data in Yonago City from 2009 to 2014 using a service-based study of PSP...
December 2016: Brain and Behavior
https://www.readbyqxmd.com/read/28031994/covariation-between-plasma-phosphate-and-daytime-cortisol-in-early-parkinson-s-disease
#18
Lena Håglin, Lennart Bäckman
BACKGROUND: Disturbed phosphate homeostasis in early Parkinson's disease (PD) may originate from a stress-related condition and nutritional status among other risk factors, age, and gender. METHODS: Risk of malnutrition using Mini-nutritional assessment (MNA score) and plasma levels of protein markers and daytime cortisol at the time of diagnosis in PD (n = 75) were compared with a control group (n = 24). Cognition was assessed using the Mini-Mental State Examination (MMSE score) and motor function using Unified Parkinson's Disease Rating Scale (UPDRS-part III scale)...
December 2016: Brain and Behavior
https://www.readbyqxmd.com/read/28031993/support-vector-machine-classification-of-arterial-volume-weighted-arterial-spin-tagging-images
#19
Yash S Shah, Luis Hernandez-Garcia, Hesamoddin Jahanian, Scott J Peltier
INTRODUCTION: In recent years, machine-learning techniques have gained growing popularity in medical image analysis. Temporal brain-state classification is one of the major applications of machine-learning techniques in functional magnetic resonance imaging (fMRI) brain data. This article explores the use of support vector machine (SVM) classification technique with motor-visual activation paradigm to perform brain-state classification into activation and rest with an emphasis on different acquisition techniques...
December 2016: Brain and Behavior
https://www.readbyqxmd.com/read/28031992/striatal-morphology-correlates-with-frontostriatal-electrophysiological-motor-processing-in-huntington-s-disease-an-image-hd-study
#20
Lauren M Turner, David Jakabek, Fiona A Wilkes, Rodney J Croft, Andrew Churchyard, Mark Walterfang, Dennis Velakoulis, Jeffrey C L Looi, Nellie Georgiou-Karistianis, Deborah Apthorp
BACKGROUND: Huntington's disease (HD) causes progressive atrophy to the striatum, a critical node in frontostriatal circuitry. Maintenance of motor function is dependent on functional connectivity of these premotor, motor, and dorsolateral frontostriatal circuits, and structural integrity of the striatum itself. We aimed to investigate whether size and shape of the striatum as a measure of frontostriatal circuit structural integrity was correlated with functional frontostriatal electrophysiological neural premotor processing (contingent negative variation, CNV), to better understand motoric structure-function relationships in early HD...
December 2016: Brain and Behavior
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