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https://www.readbyqxmd.com/read/28441773/overview-of-four-functional-classification-systems-commonly-used-in-cerebral-palsy
#1
REVIEW
Andrea Paulson, Jilda Vargus-Adams
Cerebral palsy (CP) is the most common physical disability in childhood. CP comprises a heterogeneous group of disorders that can result in spasticity, dystonia, muscle contractures, weakness and coordination difficulty that ultimately affects the ability to control movements. Traditionally, CP has been classified using a combination of the motor type and the topographical distribution, as well as subjective severity level. Imprecise terms such as these tell very little about what a person is able to do functionally and can impair clear communication between providers...
April 24, 2017: Children
https://www.readbyqxmd.com/read/28441420/mapping-of-the-brain-hemodynamic-responses-to-sensorimotor-stimulation-in-a-rodent-model-a-bold-fmri-study
#2
Salem Boussida, Amidou S Traoré, Franck Durif
Blood Oxygenation Level Dependent functional MRI (BOLD fMRI) during electrical paw stimulation has been widely used in studies aimed at the understanding of the somatosensory network in rats. However, despite the well-established anatomical connections between cortical and subcortical structures of the sensorimotor system, most of these functional studies have been concentrated on the cortical effects of sensory electrical stimulation. BOLD fMRI study of the integration of a sensorimotor input across the sensorimotor network requires an appropriate methodology to elicit functional activation in cortical and subcortical areas owing to the regional differences in both neuronal and vascular architectures between these brain regions...
2017: PloS One
https://www.readbyqxmd.com/read/28440746/dual-interaction-of-scaffold-protein-tim44-of-mitochondrial-import-motor-with-channel-forming-translocase-subunit-tim23
#3
See-Yeun Ting, Nicholas L Yan, Brenda A Schilke, Elizabeth A Craig
Proteins destined for the mitochondrial matrix are targeted to the inner membrane Tim17/23 translocon by their presequences. Inward movement is driven by the matrix-localized, Hsp70-based motor. The scaffold Tim44, interacting with the matrix face of the translocon, recruits other motor subunits and binds incoming presequence. The basis of these interactions and their functional relationships remains unclear. Using site-specific in vivo crosslinking and genetic approaches in Saccharomyces cerevisiae, we found that both domains of Tim44 interact with the major matrix-exposed loop of Tim23, with the C-terminal domain (CTD) binding Tim17 as well...
April 25, 2017: ELife
https://www.readbyqxmd.com/read/28440477/synchronized-dual-pulse-gastric-electrical-stimulation-improves-gastric-emptying-and-activates-enteric-glial-cells-via-upregulation-of-gfap-and-s100b-with-different-courses-of-subdiaphragmatic-vagotomy-in-rats
#4
Nian Wang, Shuangning Song, Jie Chen
Previous research and clinical practice have indicated that damage to the vagal nerve may seriously affect gastrointestinal physiological movement behavior. The aim of the current study was to observe the change of gastric motility, as well as enteric glial cells (EGCs) in the stomach with different courses of vagal nerve transection in rats prior to and following synchronized dual pulse gastric electrical stimulation. The gastric emptying rates were measured to assess the gastric motility. The glial markers, containing calcium binding protein (S100B) and glial fibrillary acidic protein (GFAP), were detected by reverse transcription‑quantitative polymerase chain reaction and double‑labeling immunofluorescence analysis...
April 12, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28435846/psychometric-properties-and-characteristics-of-the-north-east-visual-hallucinations-interview-in-parkinson-s-disease
#5
Kelsey A Holiday, Eva Pirogovsky-Turk, Vanessa L Malcarne, J Vincent Filoteo, Irene Litvan, Stephanie L Lessig, David Song, Dawn M Schiehser
BACKGROUND: Visual Hallucinations (VH) are a common symptom experienced by individuals with Parkinson's disease (PD); however, a validated measure of VH has yet to be established for this population. The North-East Visual Hallucinations Interview (NEVHI), a promising VH measure, has not been well validated in PD. The aim of this study was to evaluate the convergent and discriminant validity of the NEVHI as well as the proportional identification and characteristics of VH in PD. METHODS: One hundred seventeen individuals with PD completed the NEVHI as well as evaluations of psychological, cognitive, motor, and visual functioning as measures of convergent and divergent validity...
March 16, 2017: Movement Disorders Clinical Practice
https://www.readbyqxmd.com/read/28435631/the-impact-of-kinesio-taping-technique-on-children-with-cerebral-palsy
#6
REVIEW
Alireza Shamsoddini, Zabihallah Rasti, Minoo Kalantari, Mohammad Taghi Hollisaz, Vahid Sobhani, Hamid Dalvand, Mohammad Kazem Bakhshandeh-Bali
Cerebral palsy (CP) is the most common movement disorder in children that is associated with life-long disability and multiple impairments. The clinical manifestations of CP vary among children. CP is accompanied by a wide range of problems and has a broad spectrum. Children with CP demonstrate poor fine and dross motor function due to psychomotor disturbances. Early rehabilitation programs are essential for children with CP and should be appropriate for the age and functional condition of the patients. Kinesio taping (KT) technique is a relatively new technique applied in rehabilitation programs of CP...
October 7, 2016: Iranian Journal of Neurology
https://www.readbyqxmd.com/read/28434495/dysfunction-of-the-cerebral-glucose-transporter-slc45a1-in-individuals-with-intellectual-disability-and-epilepsy
#7
Myriam Srour, Noriaki Shimokawa, Fadi F Hamdan, Christina Nassif, Chantal Poulin, Lihadh Al Gazali, Jill A Rosenfeld, Noriyuki Koibuchi, Guy A Rouleau, Aisha Al Shamsi, Jacques L Michaud
Glucose transport across the blood brain barrier and into neural cells is critical for normal cerebral physiologic function. Dysfunction of the cerebral glucose transporter GLUT1 (encoded by SLC2A1) is known to result in epilepsy, intellectual disability (ID), and movement disorder. Using whole-exome sequencing, we identified rare homozygous missense variants (c.526C>T [p.Arg176Trp] and c.629C>T [p.Ala210Val]) in SLC45A1, encoding another cerebral glucose transporter, in two consanguineous multiplex families with moderate to severe ID, epilepsy, and variable neuropsychiatric features...
April 18, 2017: American Journal of Human Genetics
https://www.readbyqxmd.com/read/28434057/predictive-control-of-intersegmental-tarsal-movements-in-an-insect
#8
Alicia Costalago-Meruelo, David M Simpson, Sandor M Veres, Philip L Newland
In many animals intersegmental reflexes are important for postural and movement control but are still poorly undesrtood. Mathematical methods can be used to model the responses to stimulation, and thus go beyond a simple description of responses to specific inputs. Here we analyse an intersegmental reflex of the foot (tarsus) of the locust hind leg, which raises the tarsus when the tibia is flexed and depresses it when the tibia is extended. A novel method is described to measure and quantify the intersegmental responses of the tarsus to a stimulus to the femoro-tibial chordotonal organ...
April 22, 2017: Journal of Computational Neuroscience
https://www.readbyqxmd.com/read/28433741/loss-of-the-neurodevelopmental-gene-zswim6-alters-striatal-morphology-and-motor-regulation
#9
David J Tischfield, Dave K Saraswat, Andrew Furash, Stephen C Fowler, Marc V Fuccillo, Stewart A Anderson
The zinc-finger SWIM domain-containing protein 6 (ZSWIM6) is a protein of unknown function that has been associated with schizophrenia and limited educational attainment by three independent genome-wide association studies. Additionally, a putatively causal point mutation in ZSWIM6 has been identified in several cases of acromelic frontonasal dysostosis with severe intellectual disability. Despite the growing number of studies implicating ZSWIM6 as an important regulator of brain development, its role in this process has never been examined...
April 19, 2017: Neurobiology of Disease
https://www.readbyqxmd.com/read/28433109/pathogenesis-of-wilson-disease
#10
Ivo Florin Scheiber, Radan Brůha, Petr Dušek
Wilson disease is an autosomal-recessive disorder originating from a genetic defect in the copper-transporting ATPase ATP7B that is required for biliary copper secretion and loading of ceruloplasmin with copper. Impaired ATP7B function in Wilson disease results in excessive accumulation of copper in liver, brain, and other tissues. Toxic copper deposits may induce oxidative stress, modify expression of genes, directly inhibit proteins, and impair mitochondrial function, leading to hepatic, neuropsychiatric, renal, musculoskeletal, and other symptoms...
2017: Handbook of Clinical Neurology
https://www.readbyqxmd.com/read/28432771/a-rare-variant-in-tor1a-exon-5-associated-with-isolated-dystonia-in-southwestern-chinese
#11
Yuzhou Long, Yang Chen, Yuan Qian, Jianlin Wang, Lihua Luo, Xiaoqin Huang, Li Li, Jiayou Chu, Zhaoqing Yang, Hao Sun
BACKGROUND: TOR1A has been proposed as an important genetic factor in early-onset isolated dystonia. Variants located in the 3' untranslated region of TOR1A are of particular importance because they may influence gene expression, although related studies are limited. The objectives of the present study focused on variants in the TOR1A 3' untranslated region. METHODS: The last exon of TOR1A was sequenced in 229 cases with isolated dystonia and in 210 controls. In addition, 471 controls were tested to determine the frequency of the variants in the 3' untranslated region...
April 22, 2017: Movement Disorders: Official Journal of the Movement Disorder Society
https://www.readbyqxmd.com/read/28431177/altered-functional-connectivity-in-idiopathic-rapid-eye-movement-sleep-behavior-disorder-a-resting-state-eeg-study
#12
Jun-Sang Sunwoo, Sanghun Lee, Jung-Hoon Kim, Jung-Ah Lim, Tae-Joon Kim, Jung-Ick Byun, Min Hee Jeong, Kwang Su Cha, Jeong Woo Choi, Kyung Hwan Kim, Soon-Tae Lee, Keun-Hwa Jung, Kyung-Il Park, Kon Chu, Manho Kim, Sang Kun Lee, Ki-Young Jung
Study Objectives: Idiopathic rapid eye movement sleep behavior disorder (iRBD) is considered as a prodromal stage of synucleinopathy. Although loss of functional connectivity is implicated in neurodegenerative diseases, network characteristics of electroencephalography (EEG) in iRBD are unknown. Therefore, we evaluated resting-state EEG functional connectivity to identify the brain network changes in patients with iRBD. Methods: We prospectively enrolled 20 patients with polysomnography-confirmed iRBD and 16 control subjects...
April 18, 2017: Sleep
https://www.readbyqxmd.com/read/28427388/movement-cognition-and-narration-of-the-emotions-treatment-versus-standard-speech-therapy-in-the-treatment-of-children-with-borderline-intellectual-functioning-a-randomized-controlled-trial
#13
V Blasi, G Baglio, F Baglio, M P Canevini, M Zanette
BACKGROUND: Borderline intellectual functioning (BIF) is defined as a "health meta-condition… characterized by various cognitive dysfunctions associated with an intellectual quotient (IQ) between 71 and 85 which determines a deficit in the individual's functioning both in the restriction of activities and in the limitation of social participation". It can be caused by many factors, including a disadvantaged background and prematurity. BIF affects 7-12% of primary school children that show academic difficulties due to poor executive functioning...
April 20, 2017: BMC Psychiatry
https://www.readbyqxmd.com/read/28420129/hand-motion-detection-in-fnirs-neuroimaging-data
#14
Mohammadreza Abtahi, Amir Mohammad Amiri, Dennis Byrd, Kunal Mankodiya
As the number of people diagnosed with movement disorders is increasing, it becomes vital to design techniques that allow the better understanding of human brain in naturalistic settings. There are many brain imaging methods such as fMRI, SPECT, and MEG that provide the functional information of the brain. However, these techniques have some limitations including immobility, cost, and motion artifacts. One of the most emerging portable brain scanners available today is functional near-infrared spectroscopy (fNIRS)...
April 15, 2017: Healthcare (Basel, Switzerland)
https://www.readbyqxmd.com/read/28420009/temporal-summation-and-motor-function-modulation-during-repeated-jaw-movements-in-patients-with-temporomandibular-disorder-pain-and-healthy-controls
#15
Yuanxiu Zhang, Sheng Shao, Jinglu Zhang, Lin Wang, Kelun Wang, Peter Svensson
Temporal summation of nociceptive inputs may be an important pathophysiological mechanism in temporomandibular disorders (TMD) pain; however, it remains unknown how natural jaw function relates to underlying pain mechanisms. This study evaluated changes in pain and movement patterns during repeated jaw movements in patients with painful temporomandibular joints (TMJ) compared with healthy controls. Twenty patients with TMD with TMJ pain, and an anterior disk displacement without reduction and 20 age- and gender-matched healthy volunteers were included...
March 31, 2017: Pain
https://www.readbyqxmd.com/read/28418326/artifact-in-pediatric-oculomotor-findings-during-videonystagmography-a-retrospective-analysis
#16
Steven M Doettl, Patrick N Plyler, Devin L McCaslin
BACKGROUND: Accurate measurement of oculomotor function using videonystagmography (VNG) is imperative for diagnosis and management of patients with reported dizziness. The oculomotor evaluation during VNG utilizes video-oculography providing valuable information regarding the central structures and pathways that control eye movements. Artifact may have an effect on the overall validity and reliability of VNG oculomotor tracings and can result from patient and/or recording errors. It is postulated that artifact could occur more frequently in the pediatric population due to both patient and equipment factors...
April 2017: Journal of the American Academy of Audiology
https://www.readbyqxmd.com/read/28415008/bipolar-mood-state-reflected-in-cortico-amygdala-resting-state-connectivity-a-cohort-and-longitudinal-study
#17
Roscoe O Brady, Allison Margolis, Grace A Masters, Matcheri Keshavan, Dost Öngür
BACKGROUND: Using resting-state functional magnetic resonance imaging (rsfMRI), we previously compared cohorts of bipolar I subjects in a manic state to those in a euthymic state to identify mood state-specific patterns of cortico-amygdala connectivity. Our results suggested that mania is reflected in the disruption of emotion regulation circuits. We sought to replicate this finding in a group of subjects with bipolar disorder imaged longitudinally across states of mania and euthymia METHODS: We divided our subjects into three groups: 26 subjects imaged in a manic state, 21 subjects imaged in a euthymic state, and 10 subjects imaged longitudinally across both mood states...
March 28, 2017: Journal of Affective Disorders
https://www.readbyqxmd.com/read/28412603/impairments-of-balance-stepping-reactions-and-gait-in-people-with-cervical-dystonia
#18
Christopher Barr, Rhiannon Barnard, Lauren Edwards, Sheila Lennon, Lynley Bradnam
BACKGROUND: Impaired balance is common in neurological disorders. Cervical dystonia is a neurological movement disorder affecting the neck. The effect of this aberrant head posture on physical function is unknown. OBJECTIVES: To compare balance, mobility, gait and stepping reactions between ten people with cervical dystonia and ten control adults. METHODS: Spatiotemporal gait parameters and walking speed were assessed using a computerised walkway...
April 4, 2017: Gait & Posture
https://www.readbyqxmd.com/read/28410805/startle-responses-in-functional-jerky-movement-disorders-are-increased-but-have-a-normal-pattern
#19
Y E M Dreissen, T Boeree, J H T M Koelman, M A J Tijssen
BACKGROUND: Exaggerated startle reactions have been frequently described in patients with functional movement disorders (FMD). Long onset latencies and inconsistent recruitment pattern are thought to be a hallmark in these patients. The auditory startle reflex has not been systematically assessed though. OBJECTIVES: Assessing the frequency and pattern of the early and late component of the auditory startle response in patients with functional jerky movement disorders...
April 6, 2017: Parkinsonism & related Disorders
https://www.readbyqxmd.com/read/28410662/lewy-body-disorders
#20
REVIEW
Douglas Galasko
Dementia syndromes associated with Lewy bodies are subdivided into dementia with Lewy bodies (DLB), an underdiagnosed cause of dementia in the elderly, and Parkinson disease with dementia (PDD), cognitive impairment appearing in people diagnosed with Parkinson disease. Their neuropathologic substrates are the widespread distribution of aggregates of the protein α-synuclein in neurons in cortical brain regions, accompanied by variable Alzheimer pathology. Clinical features of DLB and PDD include distinctive changes in cognition, behavior, movement, sleep, and autonomic function...
May 2017: Neurologic Clinics
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