keyword
MENU ▼
Read by QxMD icon Read
search

lobule

keyword
https://www.readbyqxmd.com/read/29691945/altered-intra-and-inter-network-functional-coupling-of-resting-state-networks-associated-with-motor-dysfunction-in-stroke
#1
Zhiyong Zhao, Jie Wu, Mingxia Fan, Dazhi Yin, Chaozheng Tang, Jiayu Gong, Guojun Xu, Xinjie Gao, Qiurong Yu, Hao Yang, Limin Sun, Jie Jia
Motor functions are supported through functional integration across the extended motor system network. Individuals following stroke often show deficits on motor performance requiring coordination of multiple brain networks; however, the assessment of connectivity patterns after stroke was still unclear. This study aimed to investigate the changes in intra- and inter-network functional connectivity (FC) of multiple networks following stroke and further correlate FC with motor performance. Thirty-three left subcortical chronic stroke patients and 34 healthy controls underwent resting-state functional magnetic resonance imaging...
April 24, 2018: Human Brain Mapping
https://www.readbyqxmd.com/read/29686177/bilateral-giant-renal-angiomyolipoma-in-a-patient-with-tuberous-sclerosis-complex-a-case-report
#2
Andika Afriansyah, Abdul M Yusuf, Harry Nusaly
Tuberous sclerosis complex (TSC) has several renal manifestations including angiomyolipomas (AML) and renal epithelial neoplasms. A bilateral giant renal AML is extremely rare. We report a case of giant bilateral AML and discuss the diagnosis and treatment of it. The 22-year-old man was admitted due to bilateral flank pain, gross hematuria, and abdominal fullness. He had history of epilepsy, mental retardation, and delayed development during childhood. He had angiofibroma on his face since 10 years ago. Abdominal CT and MRI revealed large lobulated heterogeneous mass with fatty content...
January 2018: Acta Medica Indonesiana
https://www.readbyqxmd.com/read/29686047/neural-representations-of-sensorimotor-memory-and-digit-position-based-load-force-adjustments-before-the-onset-of-dexterous-object-manipulation
#3
Michelle Marneweck, Deborah A Barany, Marco Santello, Scott T Grafton
Anticipatory load forces for dexterous object manipulation in humans are modulated based on visual object properties cues, sensorimotor memories of previous experiences with the object, and, when digit positioning varies from trial-to-trial, the integrating of this sensed variability with force modulation. Studies of the neural representations encoding these anticipatory mechanisms have not considered these mechanisms separately from each other or from feedback mechanisms emerging after lift onset. Representational similarity analyses of fMRI data were used to identify neural representations of sensorimotor memories and the sensing and integration of digit position...
April 23, 2018: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/29685540/resting-state-functional-connectivity-mri-analysis-in-human-immunodeficiency-virus-and-hepatitis-c-virus-co-infected-subjects-a-pilot-study
#4
Simone Corgiolu, Luigi Barberini, Jasjit S Suri, Antonella Mandas, Diego Costaggiu, Paola Piano, Fulvio Zaccagna, Pierleone Lucatelli, Antonella Balestrieri, Luca Saba
BACKGROUND AND PURPOSE: Hepatitis C virus (HCV) co-infection's role on cognitive impairment of human immunodeficiency virus (HIV) positive patients is still debated and functional neuroimaging evaluation on this matter is lacking. To provide further insight about HCV's neuro-effects on HIV associated neurocognitive disorder (HAND), we performed a pilot resting state (RS) functional connectivity magnetic resonance imaging (fcMRI) study to find eventual functional connectivity alteration that could reflect HCV related cognitive performance degradation...
May 2018: European Journal of Radiology
https://www.readbyqxmd.com/read/29685414/a-novel-capn3-mutation-in-late-onset-limb-girdle-muscular-dystrophy-with-early-respiratory-insufficiency
#5
Jennifer M Martinez-Thompson, Steven A Moore, Teerin Liewluck
We describe a 70 year-old independently ambulatory man with a 10-year history of progressive axial and limb-girdle weakness, hyperCKemia, and a 5-year history of dyspnea requiring nocturnal ventilatory support due to a known c.1309C>T (p.Arg437Cys) variant and a novel in-frame deletion of exons 17-19 in the calpain-3 encoding gene (CAPN3). Pulmonary function tests revealed neuromuscular respiratory weakness. Biceps femoris biopsy showed chronic myopathic changes, numerous lobulated fibers, and reduced calpain-3 immunoreactivity...
April 20, 2018: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/29684997/protective-effect-of-erythropoietin-against-lipopolysaccharide-induced-inflammation-and-mitochondrial-damage-in-liver
#6
G X Zhang, Y D Du, X H Li, Z T Feng, H Zhao, Y Sun, J J Jin, X J Li
Recent studies have shown that liver dysfunction is an early event in sepsis. Pre-existing liver dysfunction is a risk factor for progression of infection to sepsis. However, the mechanism of the liver immune response in promoting sepsis and the importance of liver function are not completely understood. In the present study, we investigated the protective effect of erythropoietin (EPO) against mitochondrial dysfunction in a lipopolysaccharide (LPS)-induced sepsis model, and examined the underlying signaling mechanisms...
March 2018: Journal of Biological Regulators and Homeostatic Agents
https://www.readbyqxmd.com/read/29679735/age-dependent-effects-of-brain-stimulation-on-network-centrality
#7
Daria Antonenko, Till Nierhaus, Marcus Meinzer, Kristin Prehn, Axel Thielscher, Bernd Ittermann, Agnes Flöel
Functional magnetic resonance imaging (fMRI) studies have suggested that advanced age may mediate the effects of transcranial direct current stimulation (tDCS) on brain function. However, studies directly comparing neural tDCS effects between young and older adults are scarce and limited to task-related imaging paradigms. Resting-state (rs-) fMRI, that is independent of age-related differences in performance, is well suited to investigate age-associated differential neural tDCS effects. Three "online" tDCS conditions (anodal, cathodal, sham) were compared in a cross-over, within-subject design, in 30 young and 30 older adults...
April 18, 2018: NeuroImage
https://www.readbyqxmd.com/read/29679722/pulmonary-lymphatic-vessel-morphology-a-review
#8
REVIEW
E Weber, F Sozio, A Borghini, P Sestini, E Renzoni
Our understanding of lymphatic vessels has been advanced by the recent identification of relatively specific lymphatic endothelium markers, including Prox-1, VEGFR3, podoplanin and LYVE-1. The use of lymphatic markers has led to the observation that, contrary to previous assumptions, human lymphatic vessels extend deep inside the pulmonary lobule, either in association with bronchioles, intralobular arterioles or small pulmonary veins. Pulmonary lymphatic vessels may thus be classified into pleural, interlobular (in interlobular septa) and intralobular...
April 18, 2018: Annals of Anatomy, Anatomischer Anzeiger: Official Organ of the Anatomische Gesellschaft
https://www.readbyqxmd.com/read/29675496/macroscopic-features-of-the-kidneys-of-fetuses-and-newborns-in-preeclampsia-postmortem-observational-study
#9
Iryna Sorokina, Tetyana Ospanova, Mykhailo Myroshnychenko, Iryna Korneyko
Background: The state of the mother health is of great importance in the development of children renal pathology. Objective: To reveal macroscopic features of the fetuses and newborns kidneys of the mothers whose pregnancy was complicated by preeclampsia. Materials and Methods: The study involved the kidneys of 106 full-term fetuses and newborns of mothers with physiological pregnancy, complicated pregnancy by preeclampsia. During the autopsies, the shape, texture, surface, color were assessed in each kidney, and then its weight, length, width and thickness were measured...
February 2018: International Journal of Reproductive Biomedicine (Yazd, Iran)
https://www.readbyqxmd.com/read/29675389/altered-intrinsic-functional-connectivity-of-the-primary-visual-cortex-in-youth-patients-with-comitant-exotropia-a-resting-state-fmri-study
#10
Pei-Wen Zhu, Xin Huang, Lei Ye, Nan Jiang, Yu-Lin Zhong, Qing Yuan, Fu-Qing Zhou, Yi Shao
AIM: To evaluate the differences in the functional connectivity (FC) of the primary visual cortex (V1) between the youth comitant exotropia (CE) patients and health subjects using resting functional magnetic resonance imaging (fMRI) data. METHODS: Totally, 32 CEs (25 males and 7 females) and 32 healthy control subjects (HCs) (25 males and 7 females) were enrolled in the study and underwent the MRI scanning. Two-sample t -test was used to examine differences in FC maps between the CE patients and HCs...
2018: International Journal of Ophthalmology
https://www.readbyqxmd.com/read/29673322/the-spatio-temporal-dynamics-of-deviance-and-target-detection-in-the-passive-and-active-auditory-oddball-paradigm-a-sloreta-study
#11
Christoph Justen, Cornelia Herbert
BACKGROUND: Numerous studies have investigated the neural underpinnings of passive and active deviance and target detection in the well-known auditory oddball paradigm by means of event-related potentials (ERPs) or functional magnetic resonance imaging (fMRI). The present auditory oddball study investigates the spatio-temporal dynamics of passive versus active deviance and target detection by analyzing amplitude modulations of early and late ERPs while at the same time exploring the neural sources underling this modulation with standardized low-resolution brain electromagnetic tomography (sLORETA) ...
April 19, 2018: BMC Neuroscience
https://www.readbyqxmd.com/read/29670548/neural-correlates-of-semantic-inhibition-in-relation-to-hypomanic-traits-an-fmri-study
#12
Delphine Raucher-Chéné, Sarah Terrien, Fabien Gierski, Alexandre Obert, Stéphanie Caillies, Chrystel Besche-Richard, Arthur Kaladjian
Objectives: Language modifications are a core feature of mania, but little is known about the semantic mechanisms behind these disturbances. The aim of the present study was thus to identify deficits in semantic inhibition and their respective neural activation patterns in a sample of individuals assessed for hypomanic personality traits. Methods: Thirty-six young adults with no neurological or psychiatric diagnoses were assessed for hypomanic personality traits with the Hypomanic Personality Scale (HPS) and underwent an fMRI task of semantic ambiguity resolution...
2018: Frontiers in Psychiatry
https://www.readbyqxmd.com/read/29670138/differential-medial-temporal-lobe-and-parietal-cortical-contributions-to-real-world-autobiographical-episodic-and-autobiographical-semantic-memory
#13
Thackery I Brown, Jesse Rissman, Tiffany E Chow, Melina R Uncapher, Anthony D Wagner
Autobiographical remembering can depend on two forms of memory: episodic (event) memory and autobiographical semantic memory (remembering personally relevant semantic knowledge, independent of recalling a specific experience). There is debate about the degree to which the neural signals that support episodic recollection relate to or build upon autobiographical semantic remembering. Pooling data from two fMRI studies of memory for real-world personal events, we investigated whether medial temporal lobe (MTL) and parietal subregions contribute to autobiographical episodic and semantic remembering...
April 18, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29668613/brain-mapping-for-long-term-recovery-of-gait-after-supratentorial-stroke-a-retrospective-cross-sectional-study
#14
Dae Hyun Kim, Sunghyon Kyeong, Kyung Hee Do, Seong Kyu Lim, Hyong Keun Cho, Suk Jung, Hye Won Kim
The recovery of independent gait after stroke is a main goal of patients and understanding the relationship between brain lesions and the recovery of gait can help physicians set viable rehabilitation plans. Our study investigated the association between variables of gait parameters and brain lesions.Fifty poststroke patients with a mean age of 67.5 ± 1.3 years and an average duration after onset of 62.2 ± 7.9 months were included. Three-dimensional gait analysis and magnetic resonance imaging were conducted for all patients...
April 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29667267/the-cerebellum-after-trauma-resting-state-functional-connectivity-of-the-cerebellum-in-posttraumatic-stress-disorder-and-its-dissociative-subtype
#15
Daniela Rabellino, Maria Densmore, Jean Théberge, Margaret C McKinnon, Ruth A Lanius
The cerebellum plays a key role not only in motor function but also in affect and cognition. Although several psychopathological disorders have been associated with overall cerebellar dysfunction, it remains unclear whether different regions of the cerebellum contribute uniquely to psychopathology. Accordingly, we compared seed-based resting-state functional connectivity of the anterior cerebellum (lobule IV-V), of the posterior cerebellum (Crus I), and of the anterior vermis across posttraumatic stress disorder (PTSD; n = 65), its dissociative subtype (PTSD + DS; n = 37), and non-trauma-exposed healthy controls (HC; n = 47)...
April 17, 2018: Human Brain Mapping
https://www.readbyqxmd.com/read/29666688/synovial-haemangioma-of-the-elbow-a-rare-paediatric-case-and-imaging-dilemma
#16
Han G Hoe, Faizah M Zaki, Abdul H A Rashid
Synovial haemangiomas are rare benign vascular proliferations arising in synovium-lined surfaces. While the knee is by far the joint most commonly involved, this condition can also occur in the elbow. We report an eight-year-old boy who presented to the National University of Malaysia Medical Centre, Kuala Lumpur, Malaysia, in 2016 with a left elbow swelling of one year's duration. Magnetic resonance imaging showed a lobulated intra-articular mass with intermediate signal intensity on T1-weighted imaging and low signal punctate and linear structures within the hyperintense mass on T2-weighted imaging...
February 2018: Sultan Qaboos University Medical Journal
https://www.readbyqxmd.com/read/29660636/regional-homogeneity-and-functional-connectivity-patterns-in-major-depressive-disorder-cognitive-vulnerability-to-depression-and-healthy-subjects
#17
Hui Sun, Lizhu Luo, Xinru Yuan, Lu Zhang, Yini He, Shuqiao Yao, Jiaojian Wang, Jing Xiao
BACKGROUND: Cognitive vulnerability to depression (CVD) is a high risk for depressive disorder. Recent studies focus on individuals with CVD to determine the neural basis of major depressive disorder (MDD) neuropathology. However, whether CVD showed specific or similar brain functional activity and connectivity patterns, compared to MDD, remain largely unknown. METHODS: Here, using resting-state functional magnetic resonance imaging in subjects with CVD, healthy controls (HC) and MDD, regional homogeneity (ReHo) and resting-state functional connectivity (R-FC) analyses were conducted to assess local synchronization and changes in functional connectivity patterns...
April 7, 2018: Journal of Affective Disorders
https://www.readbyqxmd.com/read/29656497/altered-brain-function-in-persistent-postural-perceptual-dizziness-a-study-on-resting-state-functional-connectivity
#18
Jin-Ok Lee, Eek-Sung Lee, Ji-Soo Kim, Young-Beom Lee, Yong Jeong, Byung Se Choi, Jae-Hyoung Kim, Jeffrey P Staab
This study used resting state functional magnetic resonance imaging (rsfMRI) to investigate whole brain networks in patients with persistent postural perceptual dizziness (PPPD). We compared rsfMRI data from 38 patients with PPPD and 38 healthy controls using whole brain and region of interest analyses. We examined correlations among connectivity and clinical variables and tested the ability of a machine learning algorithm to classify subjects using rsfMRI results. Patients with PPPD showed: (a) increased connectivity of subcallosal cortex with left superior lateral occipital cortex and left middle frontal gyrus, (b) decreased connectivity of left hippocampus with bilateral central opercular cortices, left posterior opercular cortex, right insular cortex and cerebellum, and (c) decreased connectivity between right nucleus accumbens and anterior left temporal fusiform cortex...
April 15, 2018: Human Brain Mapping
https://www.readbyqxmd.com/read/29656437/structural-correlates-of-openness-and-intellect-implications-for-the-contribution-of-personality-to-creativity
#19
Oshin Vartanian, Christopher J Wertz, Ranee A Flores, Erin L Beatty, Ingrid Smith, Kristen Blackler, Quan Lam, Rex E Jung
Openness/Intellect (i.e., openness to experience) is the Big Five personality factor most consistently associated with individual differences in creativity. Recent psychometric evidence has demonstrated that this factor consists of two distinct aspects-Intellect and Openness. Whereas Intellect reflects perceived intelligence and intellectual engagement, Openness reflects engagement with fantasy, perception, and aesthetics. We investigated the extent to which Openness and Intellect are associated with variations in brain structure as measured by cortical thickness, area, and volume (N = 185)...
April 15, 2018: Human Brain Mapping
https://www.readbyqxmd.com/read/29642425/lutein-and-zeaxanthin-are-positively-associated-with-visual-spatial-functioning-in-older-adults-an-fmri-study
#20
Catherine M Mewborn, Cutter A Lindbergh, Talia L Robinson, Marissa A Gogniat, Douglas P Terry, Kharine R Jean, Billy Randy Hammond, Lisa M Renzi-Hammond, Lloyd Stephen Miller
Lutein (L) and zeaxanthin (Z) are two xanthophyll carotenoids that have antioxidant and anti-inflammatory properties. Previous work has demonstrated their importance for eye health and preventing diseases such as age-related macular degeneration. An emerging literature base has also demonstrated the importance of L and Z in cognition, neural structure, and neural efficiency. The present study aimed to better understand the mechanisms by which L and Z relate to cognition, in particular, visual-spatial processing and decision-making in older adults...
April 7, 2018: Nutrients
keyword
keyword
104698
1
2
Fetch more papers »
Fetching more papers... Fetching...
Read by QxMD. Sign in or create an account to discover new knowledge that matter to you.
Remove bar
Read by QxMD icon Read
×

Search Tips

Use Boolean operators: AND/OR

diabetic AND foot
diabetes OR diabetic

Exclude a word using the 'minus' sign

Virchow -triad

Use Parentheses

water AND (cup OR glass)

Add an asterisk (*) at end of a word to include word stems

Neuro* will search for Neurology, Neuroscientist, Neurological, and so on

Use quotes to search for an exact phrase

"primary prevention of cancer"
(heart or cardiac or cardio*) AND arrest -"American Heart Association"