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Primitive reflexes

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https://www.readbyqxmd.com/read/29123489/plasmapheresis-responsive-rapid-onset-dementia-with-predominantly-frontal-dysfunction-in-the-context-of-hashimoto-s-encephalopathy
#1
Dominique Endres, Magnus S Vry, Petra Dykierek, Anne N Riering, Eva Lüngen, Oliver Stich, Rick Dersch, Nils Venhoff, Daniel Erny, Irina Mader, Philipp T Meyer, Ludger Tebartz van Elst
Background: Hashimoto's encephalopathy (HE) is a rare immunological neuropsychiatric disorder characterized by increased antithyroid antibodies and mixed neurological and psychiatric symptoms. HE has been previously discussed as a differential diagnosis for rapid progressive dementia. However, most of these patients suffered from additional neurological symptoms, like ataxia or seizures. Case presentation: Here, we present the case of a 59-year-old female patient suffering rapid onset dementia with salient frontal executive dysfunction...
2017: Frontiers in Psychiatry
https://www.readbyqxmd.com/read/28981226/-balance-disorders
#2
C Van Nechel
Balance disorders may result from an impairment of one of the sensorial modalities involved in the perception of the self-location in space: vestibular, proprioception and vision, a deficit of the neuronal multisensorial integration, a less effective motor or loco-motor system, the medication side effects or psychological interferences. The basic examination of a dizzy patient implies the assessment of these different aspects. The balance is not restricted to à set of reflexes. It is a distinctive expression of the sixth sense : the sense of orientation...
2017: Revue Médicale de Bruxelles
https://www.readbyqxmd.com/read/28759492/chronic-hiccups-an-underestimated-problem
#3
REVIEW
Eva K Kohse, Markus W Hollmann, Hubert J Bardenheuer, Jens Kessler
Persistent singultus, hiccupping that lasts for longer than 48 hours, can have a tremendous impact on a patient's quality of life. Although involved neurologic structures have been identified, the function of hiccups remains unclear-they have been controversially interpreted as a primitive reflex preventing extent swallowing of amniotic fluid in utero, an archaic gill ventilation pattern, or a fetus' preparation for independent breathing. Persistent singultus often presents as a symptom for various diseases, most commonly illnesses of the central nervous system or gastrointestinal tract; they can also be evoked by a variety of pharmacological agents...
October 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/28743454/convergence-of-primary-sensory-cortex-and-cerebellar-nuclei-pathways-in-the-whisker-system
#4
REVIEW
Carmen B Schäfer, Freek E Hoebeek
To safely maneuver through the environment the brain needs to compare active sensory information with ongoing motor programs. This process occurs at various levels in the brain: at the lower level, i.e., in the spinal cord, reflexes are generated for the most primitive motor responses; at the intermediate level, i.e., in the brainstem, various nuclei co-process sensory- and motor-related inputs; and, at the higher level cerebellum and thalamo-cortical networks individually compute suitable commands for fine-tuned motor output...
July 22, 2017: Neuroscience
https://www.readbyqxmd.com/read/28709767/obstetrical-brachial-plexus-palsy
#5
Patricia O'Berry, Mackenzie Brown, Leslie Phillips, Sarah Helen Evans
Obstetrical brachial plexus palsy is a disorder of the peripheral nervous system and occurs in as many as 0.4% of infants born. It is associated with shoulder dystocia, use of mechanical extraction, and macrosomia; it occurs more frequently in infants born by vaginal delivery. The unilateral injury to the brachial plexus complex occurs during the delivery phase as lateral traction is applied to the head to permit shoulder clearance. The infant typically presents in the delivery room with decreased active movements of the affected arm and asymmetrical primitive reflex responses...
July 2017: Current Problems in Pediatric and Adolescent Health Care
https://www.readbyqxmd.com/read/28518104/neurodevelopmental-reflex-testing-in-neonatal-rat-pups
#6
Antoinette T Nguyen, Edward A Armstrong, Jerome Y Yager
Neurodevelopmental reflex testing is commonly used in clinical practice to assess the maturation of the nervous system. Neurodevelopmental reflexes are also referred to as primitive reflexes. They are sensitive and consistent with later outcomes. Abnormal reflexes are described as an absence, persistence, reappearance, or latency of reflexes, which are predictive indices of infants that are at high risk for neurodevelopmental disorders. Animal models of neurodevelopmental disabilities, such as cerebral palsy, often display aberrant developmental reflexes, as would be observed in human infants...
April 24, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28409761/the-question-of-whether-or-not-to-perform-therapeutic-hypothermia-a-case-of-neonatal-spinal-cord-injury
#7
K Yokoi, S Kobayashi, K Muramatsu, S Suzuki, H Gotou
Neonatal spinal cord injury is an extremely rare perinatal complication that often occurs concurrently with hypoxic ischemic encephalopathy (HIE), further complicating diagnosis of spinal cord injury. Although therapeutic hypothermia for moderate to severe HIE is widely recommended in Japan, it is difficult to determine whether it satisfies the neurological findings-related entry criteria in some patients.We describe a female infant with neonatal spinal cord injury after forceps delivery, who underwent therapeutic hypothermia upon diagnosis of HIE...
2017: Journal of Neonatal-perinatal Medicine
https://www.readbyqxmd.com/read/28343847/global-developmental-delay-and-intellectual-disability-associated-with-a-de-novo-top2b-mutation
#8
Ching-Wan Lam, Wai-Lan Yeung, Chun-Yiu Law
BACKGROUND: More than 100 genes had been identified for autism spectrum disorder (ASD). With the advancement of whole-exome/genome sequencing (WES/WGS), disease-causing gene in ASD can be identified in a holistic and unbiased approach. The identification of new ASD genes can further explore the molecular basis of ASD. METHODS: We report a 15yo girl with developmental delay, intellectual disability, hypotonia, microcephaly and autistic feature. She first presented at 6months old with primitive response to noise...
March 23, 2017: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://www.readbyqxmd.com/read/28241263/bridging-knowledge-gaps-to-understand-how-zika-virus-exposure-and-infection-affect-child-development
#9
Bill G Kapogiannis, Nahida Chakhtoura, Rohan Hazra, Catherine Y Spong
Importance: The Zika virus (ZIKV) epidemic has profoundly affected the lives of children and families across the Americas. As the number of children born with ZIKV-related complications continues to grow, the long-term developmental trajectory for these children and the effect on their families remains largely unknown. In September 2016, the Eunice Kennedy Shriver National Institute of Child Health and Human Development and partner National Institutes of Health institutes convened a workshop to develop a research agenda to improve the evaluation, monitoring, and management of neonates, infants, or children affected by ZIKV and its complications...
May 1, 2017: JAMA Pediatrics
https://www.readbyqxmd.com/read/27966319/the-frequency-of-buccopalpebral-reflex-in-parkinson-disease
#10
Hülya Eser, Yasemin Ünal, Gülnihal Kutlu, Ruhsen Öcal, Levent Ertuğrul İnan
BACKGROUND/AIM: This study aimed to define the frequency of a primitive reflex, the buccopalpebral reflex (BPR), and its association with the clinical situation in patients with Parkinson disease. MATERIALS AND METHODS: Between May 2010 and May 2011, 222 patients, 115 with Parkinson disease and 107 patients without any sign of neurodegenerative disease, were included in the study. All included patients were examined for BPR and snout reflex and were also evaluated with the Mini Mental State Examination...
November 17, 2016: Turkish Journal of Medical Sciences
https://www.readbyqxmd.com/read/27848255/prognostic-predictors-for-ambulation-in-children-with-cerebral-palsy-a-systematic-review-and-meta-analysis-of-observational-studies
#11
Orawan Keeratisiroj, Nuanlaor Thawinchai, Wantana Siritaratiwat, Montana Buntragulpoontawee, Chayanin Pratoomsoot
PURPOSE: The purpose of this study is to investigate the prognostic predictors for ambulation in children with cerebral palsy using meta-analysis of observational studies. METHOD: Electronic searches were conducted in PubMed, SCOPUS, CINAHL, ProQuest, Ovid, Wiley InterScience, and ScienceDirect databases from their start dates to December 2015. RESULTS: Of the 1123 identified articles, 12 met the inclusion criteria for qualitative synthesis, eight of which were deemed appropriate for meta-analysis...
November 16, 2016: Disability and Rehabilitation
https://www.readbyqxmd.com/read/27595468/persistent-primary-reflexes-affect-motor-acts-potential-implications-for-autism-spectrum-disorder
#12
Alice Chinello, Valentina Di Gangi, Eloisa Valenza
In typical motor development progress in use of goal-directed actions and communicative gestures depends on the inhibition of several primitive reflexes, especially those that involve the hand or mouth. This study explored the relationship between the persistence of primitive reflexes that involve the hand or mouth and the motor repertoire in a sample of 12- to 17-month-old infants. Moreover, since children with Autism Spectrum Disorders (ASD) often have difficulty in performing skilled movements and show poor gesture repertoire, and since ASD represents the upper extreme of a constellation of traits that may be continuously distributed in the general population, we investigated the relationship between the persistence of primitive reflexes in the same sample of infants and the subclinical autistic traits measured in their parents...
August 29, 2016: Research in Developmental Disabilities
https://www.readbyqxmd.com/read/27570791/somatic-stimulation-causes-frontoparietal-cortical-changes-in-neonates-a-functional-near-infrared-spectroscopy-study
#13
Nasser H Kashou, Irfaan A Dar, Kathryn A Hasenstab, Ramzi W Nahhas, Sudarshan R Jadcherla
Palmar and plantar grasp are the foremost primitive neonatal reflexes and functions. Persistence of these reflexes in infancy is a sign of evolving cerebral palsy. Our aims were to establish measurement feasibility in a clinical setting and to characterize changes in oxyhemoglobin (HbO) and deoxyhemoglobin (HbD) concentration in the bilateral frontoparietal cortex in unsedated neonates at the crib-side using functional near-infrared spectroscopy (fNIRS). We hypothesized that bilateral concentration changes will occur upon somatic central and peripheral somatic stimulation...
January 2017: Neurophotonics
https://www.readbyqxmd.com/read/27196946/movement-assessment-of-children-mac-validity-reliability-stability-and-sensitivity-to-change-in-typically-developing-children
#14
L S Chandler, L Terhorst, J C Rogers, M B Holm
AIM: The purpose of this study was to establish the validity, reliability, stability and sensitivity to change of the family-centred Movement Assessment of Children (MAC) in typically developing infants/toddlers from 2 months (1 month 16 days) to 2 years (24 months 15 days) of age. BACKGROUND: Assessment of infant/toddler motor development is critical so that infants and toddlers who are at-risk for developmental delay or whose functional motor development is delayed can be monitored and receive therapy to improve their developmental outcomes...
July 2016: Child: Care, Health and Development
https://www.readbyqxmd.com/read/27071788/psycho-cognitive-intervention-for-asd-from-cross-species-behavioral-analyses-of-infants-chicks-and-common-marmosets
#15
COMPARATIVE STUDY
Mamiko Koshiba, Genta Karino, Koki Mimura, Shun Nakamura, Kunio Yui, Tetsuya Kunikata, Hideo Yamanouchi
Educational treatment to support social development of children with autism spectrum disorder (ASD) is an important topic in developmental psychiatry. However, it remains difficult to objectively quantify the socio-emotional development of ASD children. To address this problem, we developed a novel analytical method that assesses subjects' complex behaviors using multivariate analysis, 'Behavior Output analysis for Quantitative Emotional State Translation' (BOUQUET). Here, we examine the potential for psycho-cognitive ASD therapy based on comparative evaluations of clinical (human) and experimental (animal) models...
2016: CNS & Neurological Disorders Drug Targets
https://www.readbyqxmd.com/read/27027608/prognostic-significance-of-neurological-signs-in-high-risk-infants-a-systematic-review
#16
REVIEW
Elisa G Hamer, Mijna Hadders-Algra
The aim of this paper was to systematically review the literature on the significance of specific neurological signs in infancy, in particular in infants at risk for developmental problems such as cerebral palsy (CP). A literature search was performed using the databases PubMed, Embase, Web of Science, and AMED. Papers on infantile reactions ('primitive reflexes') and postural reactions were included if data were available allowing for calculation of sensitivity, specificity, or positive and negative predictive value for CP or atypical developmental outcome...
March 2016: Developmental Medicine and Child Neurology
https://www.readbyqxmd.com/read/26639955/palmomental-reflex-a-relevant-sign-in-early-alzheimer-s-disease-diagnosis
#17
Audrey Gabelle, Laure-Anne Gutierrez, Jean-François Dartigues, Karen Ritchie, Jacques Touchon, Claudine Berr
BACKGROUND: Sophisticated and expensive biomarkers are proposed for the diagnostic of Alzheimer's disease (AD). The amyloid process seems to be early in AD, and brain amyloid load affects the frontal lobe. OBJECTIVE: To determine if certain simple clinical signs, especially frontal-related signs, could help reach an earlier and better diagnosis. METHODS: In the frame of the 3-City cohort, we conducted a nested case-control study comparing incident cases of AD to controls matched for age, gender, and education...
2016: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/26531285/influence-of-one-year-neurologic-outcome-of-treatment-on-newborns-with-moderate-and-severe-hypoxic-ischemic-encephalopathy-by-rhuep0-combined-with-ganglioside-gm1
#18
X-Y Zhu, M-Y Ye, A-M Zhang, W-D Wang, F Zeng, J-L Li, F Fang
OBJECTIVE: To observe the one-year neurologic prognostic outcome of newborns with moderate and severe hypoxic-ischemic encephalopathy (HIE) who received recombinant human erythropoietin (rhuEPO) combined with exogenous monosialotetrahexosylganglioside (GM1) treatment to provide new guidelines for clinical treatment. PATIENTS AND METHODS: Seventy-six newborns with moderate and severe HIE were selected from February 2011 to February 2014 in our hospital. This study received the informed consent of our hospital's Ethics Committee and the newborns' guardians...
October 2015: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/26250756/validation-and-adaptation-of-rapid-neurodevelopmental-assessment-instrument-for-infants-in-guatemala
#19
L Thompson, R A Peñaloza, K Stormfields, R Kooistra, G Valencia-Moscoso, H Muslima, N Z Khan
BACKGROUND: Timely detection of neurodevelopmental impairments in children can prompt referral for critical services that may prevent permanent disability. However, screening of impairments is a significant challenge in low-resource countries. We adapted and validated the rapid neurodevelopmental assessment (RNDA) instrument developed in Bangladesh to assess impairment in nine domains: primitive reflexes, gross and fine motor development, vision, hearing, speech, cognition, behaviour and seizures...
November 2015: Child: Care, Health and Development
https://www.readbyqxmd.com/read/26056310/calcium-activates-the-light-dependent-conductance-in-melanopsin-expressing-photoreceptors-of-amphioxus
#20
Gabriel Peinado, Tomás Osorno, María del Pilar Gomez, Enrico Nasi
Melanopsin, the photopigment of the "circadian" receptors that regulate the biological clock and the pupillary reflex in mammals, is homologous to invertebrate rhodopsins. Evidence supporting the involvement of phosphoinositides in light-signaling has been garnered, but the downstream effectors that control the light-dependent conductance remain unknown. Microvillar photoreceptors of the primitive chordate amphioxus also express melanopsin and transduce light via phospholipase-C, apparently not acting through diacylglycerol...
June 23, 2015: Proceedings of the National Academy of Sciences of the United States of America
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