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stereotyped movement

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https://www.readbyqxmd.com/read/28323685/ipsilateral-tremor-like-grasp-reaction-in-a-patient-with-ischemic-stroke
#1
Yuichiro Inatomi, Makoto Nakajima, Toshiro Yonehara, Yukio Ando
Reports of involuntary ipsilateral movements after a stroke are rare, and none have described a patient with both an instinctive grasp reaction and tremor-like movement ipsilateral to the acute stroke lesion. We here report such a patient. A 76-year-old right-handed woman with a past history of left thalamic hemorrhage developed left hemiparesis, an instinctive grasp reaction, and a peculiar involuntary movement of her right arm. This involuntary movement was stereotyped and sometimes rhythmical, with a groping or picking-like action...
March 2017: Cognitive and Behavioral Neurology: Official Journal of the Society for Behavioral and Cognitive Neurology
https://www.readbyqxmd.com/read/28291301/-acute-dystonia-due-to-aripiprazole-use-in-two-children-with-autism-spectrum-disorder-in-the-first-five-years-of-life
#2
Mustafa Küçükköse, Bürge Kabukçu Başay
Autism spectrum disorders (ASD) are neuropsychiatric disorders characterized by impairment in social interactions, in verbal and non-verbal communication, and restricted and stereotyped patterns of interest and behavior within the first 3 years of life. Pharmacologic interventions may be needed for the treatment of temper tantrums, aggression, hyperactivity, and stereotypes in children with ASD. The approval of aripiprazole by the United States Food and Drug Administration (USFDA) for the treatment of temper tantrums in children and adolescents with ASD has gained increased interest for the use in these patients...
2017: Türk Psikiyatri Dergisi, Turkish Journal of Psychiatry
https://www.readbyqxmd.com/read/28277553/the-impact-of-dynamic-seating-on-classroom-behavior-of-students-with-autism-spectrum-disorder
#3
Nader Matin Sadr, Hojjat Allah Haghgoo, Sayyed Ali Samadi, Mehdi Rassafiani, Enayatollah Bakhshi, Hossein Hassanabadi
OBJECTIVE: Children with autism have sitting and on-task behavior problems in class. In this study, the effect of three alternative classroom-seating devices such as regular classroom chairs, therapy balls, and air cushions were examined on students' classroom behavior. MATERIALS & METHODS: 15 students with autism participated in this A1-B-A2-C multiple treatments study from Mashhad's Tabasom School, Mashhad, Iran in 2014. Students' behaviors were video recorded in three phases: sitting on their common chairs during phase A, air-sit cushioned in phase B, and ball chairs in phase C...
2017: Iranian Journal of Child Neurology
https://www.readbyqxmd.com/read/28276538/valbenazine-for-the-treatment-of-tardive-dyskinesia
#4
N Barquero
Valbenazine (NBI-98854, Ingrezza) is a highly selective vesicular monoamine transporter 2 (VMAT2) inhibitor that modulates dopamine release during nerve communication. The pharmacological target VMAT2 may play an important role in the treatment of tardive dyskinesia (TD), an iatrogenic condition associated with the administration of antipsychotic medication for long periods and characterized by rapid, repetitive, stereotypic, involuntary movements of the face and extremities. There are currently no Food and Drug Administration (FDA)-approved drugs for the treatment of TD...
December 2016: Drugs of Today
https://www.readbyqxmd.com/read/28272783/variations-of-stereotypies-in-individuals-with-rett-syndrome-a-nationwide-cross-sectional-study-in-taiwan
#5
Lee Chin Wong, Pi-Lien Hung, Tz-Yun Jan, Wang-Tso Lee
Individuals with Rett syndrome (RTT) can have variable manifestations of stereotypies. In this nation-wide cross-sectional study, we recruited all individuals with RTT in Taiwan diagnosed as RTT by neurologists based on genetic findings and diagnostic criteria. The data were collected using questionnaire. A total 43 cases of typical RTT and 15 cases of atypical RTT, aged from 2.1 to 40.1 years, were enrolled. They included 3 (5.2%) in stage II, 42 (72.4%) in stage III, and 13 (22.4%) in stage IV. All individuals presented with at least one stereotypy...
March 8, 2017: Autism Research: Official Journal of the International Society for Autism Research
https://www.readbyqxmd.com/read/28261082/automated-detection-of-stereotypical-motor-movements-in-autism-spectrum-disorder-using-recurrence-quantification-analysis
#6
Ulf Großekathöfer, Nikolay V Manyakov, Vojkan Mihajlović, Gahan Pandina, Andrew Skalkin, Seth Ness, Abigail Bangerter, Matthew S Goodwin
A number of recent studies using accelerometer features as input to machine learning classifiers show promising results for automatically detecting stereotypical motor movements (SMM) in individuals with Autism Spectrum Disorder (ASD). However, replicating these results across different types of accelerometers and their position on the body still remains a challenge. We introduce a new set of features in this domain based on recurrence plot and quantification analyses that are orientation invariant and able to capture non-linear dynamics of SMM...
2017: Frontiers in Neuroinformatics
https://www.readbyqxmd.com/read/28241979/effects-of-%C3%AF-3-fatty-acids-on-stereotypical-behavior-and-social-interactions-in-wistar-rats-prenatally-exposed-to-lipopolysaccarides
#7
Jucélia Jeremias Fortunato, Naiana da Rosa, Ana Olívia Martins Laurentino, Marina Goulart, Camila Michalak, Lidiane Pinto Borges, Evandro da Cruz Cittadin Soares, Patricia Alves Reis, Hugo Caire de Castro Faria Neto, Fabrícia Petronilho
OBJECTIVE: Supplementation with ω-3 polyunsaturated fatty acids (PUFAs) can positively contribute to neurologic development, modulating inflammatory responses, promoting homeostasis, and having a positive effect on animal behaviors associated with mental disorders. The aim of this study was to evaluate behavioral and biochemical effects of ω-3 fatty acid supplementation in an animal model for mental disorders by prenatal maternal exposure to lipopolysaccardies (LPS) from the maternal immune activation...
March 2017: Nutrition
https://www.readbyqxmd.com/read/28228639/grin1-mutation-associated-with-intellectual-disability-alters-nmda-receptor-trafficking-and-function
#8
Wenjuan Chen, Christine Shieh, Sharon A Swanger, Anel Tankovic, Margaret Au, Marianne McGuire, Michele Tagliati, John M Graham, Suneeta Madan-Khetarpal, Stephen F Traynelis, Hongjie Yuan, Tyler Mark Pierson
N-methyl-d-aspartate receptors (NMDARs) play important roles in brain development and neurological disease. We report two individuals with similar dominant de novo GRIN1 mutations (c.1858 G>A and c.1858 G>C; both p.G620R). Both individuals presented at birth with developmental delay and hypotonia associated with behavioral abnormalities and stereotypical movements. Recombinant NMDARs containing the mutant GluN1-G620R together with either GluN2A or GluN2B were evaluated for changes in their trafficking to the plasma membrane and their electrophysiological properties...
February 23, 2017: Journal of Human Genetics
https://www.readbyqxmd.com/read/28222331/the-moro-reaction-more-than-a-reflex-a-ritualized-behavior-of-nonverbal-communication
#9
Pierre V Rousseau, Florence Matton, Renaud Lecuyer, Willy Lahaye
OBJECTIVE: To propose a phylogenetic significance to the Moro reflex which remains unexplained since its publication in 1918 because both hands are free at the end of the gesture. METHOD: Among the 75 videos of healthy term newborns we have filmed in a research project on antenatal education to parenthood, we describe a sequence that clearly showed the successive movements of the Moro reflex and we report the occurrence of this reflex in the videos that were recorded from Time 0 of birth defined as the moment that lies between the birth of the thorax and the pelvis of the infant...
February 18, 2017: Infant Behavior & Development
https://www.readbyqxmd.com/read/28202362/effects-of-crude-extracts-of-a-saxitoxin-producer-strain-of-the-cyanobacterium-cylindrospermopsis-raciborskii-on-the-swimming-behavior-of-wild-and-laboratory-reared-guppy-poecilia-vivipara
#10
Karina C Lopes, Aloysio da S Ferrão-Filho, Everton G N Dos Santos, Rodolfo A Cunha, Cláudia P Santos
The cyanobacterium Cylindrospermopsis raciborskii is an invasive species in water supply reservoirs worldwide, which can produces cylindrospermopsins and saxitoxins. In the wild, guppy (Poecilia vivipara) can be exposed to cyanotoxins, but those born and reared in laboratory are free of this contact. The aim of this paper was to comparatively measure the locomotor activity of 'wild' and 'lab' P. vivipara before and after exposure to crude extracts of two different cultures of C. raciborskii (CYRF-01), a saxitoxin-procucer strain...
February 12, 2017: Toxicon: Official Journal of the International Society on Toxinology
https://www.readbyqxmd.com/read/28182963/over-facilitation-of-unadapted-cognitive-processes-in-obsessive-compulsive-disorder-as-assessed-with-the-computerized-mirror-pointing-task
#11
Guillaume Dulude, Kieron O'Connor, Jean-Sebastien Audet, Marc-André Bedard
Response inhibition has been suggested to be dysfunctional in obsessive-compulsive disorder (OCD). However, this process involves intentional cognitive control, which does not correspond to the automatic emergence of stereotyped thoughts and behaviours usually reported by patients with OCD. In the present study, the excessive facilitation of unintentional processes was assessed in OCD by using the Computerized Mirror Pointing Task (CMPT). Seventy-six volunteers participated in this study, including 39 patients with OCD and 37 healthy controls...
January 31, 2017: Journal of Psychiatric Research
https://www.readbyqxmd.com/read/28132692/a-recurrent-de-novo-variant-in-nacc1-causes-a-syndrome-characterized-by-infantile-epilepsy-cataracts-and-profound-developmental-delay
#12
Kelly Schoch, Linyan Meng, Szabolcs Szelinger, David R Bearden, Asbjorg Stray-Pedersen, Oyvind L Busk, Nicholas Stong, Eriskay Liston, Ronald D Cohn, Fernando Scaglia, Jill A Rosenfeld, Jennifer Tarpinian, Cara M Skraban, Matthew A Deardorff, Jeremy N Friedman, Zeynep Coban Akdemir, Nicole Walley, Mohamad A Mikati, Peter G Kranz, Joan Jasien, Allyn McConkie-Rosell, Marie McDonald, Stephanie Burns Wechsler, Michael Freemark, Sujay Kansagra, Sharon Freedman, Deeksha Bali, Francisca Millan, Sherri Bale, Stanley F Nelson, Hane Lee, Naghmeh Dorrani, David B Goldstein, Rui Xiao, Yaping Yang, Jennifer E Posey, Julian A Martinez-Agosto, James R Lupski, Michael F Wangler, Vandana Shashi
Whole-exome sequencing (WES) has increasingly enabled new pathogenic gene variant identification for undiagnosed neurodevelopmental disorders and provided insights into both gene function and disease biology. Here, we describe seven children with a neurodevelopmental disorder characterized by microcephaly, profound developmental delays and/or intellectual disability, cataracts, severe epilepsy including infantile spasms, irritability, failure to thrive, and stereotypic hand movements. Brain imaging in these individuals reveals delay in myelination and cerebral atrophy...
February 2, 2017: American Journal of Human Genetics
https://www.readbyqxmd.com/read/28124193/-not-brain-washed-but-heart-washed-a-qualitative-analysis-of-benevolent-sexism-in-the-anti-choice-stance
#13
Kari N Duerksen, Karen L Lawson
PURPOSE: In recent years, anti-choice dialog has shifted from a focus on the fetus to a focus on the woman. This new movement constructs itself as positive and pro-woman, while perpetuating harmful stereotypes about women and the effects of abortion. Research has shown a relationship between benevolent sexism (beliefs that women are morally pure creatures in need of protection and nurturing) and restrictive attitudes towards abortion, although no research has qualitatively explored this relationship...
January 25, 2017: International Journal of Behavioral Medicine
https://www.readbyqxmd.com/read/28110694/tourette-syndrome-in-the-context-of-evolution-and-behavioral-ecology
#14
Jared Edward Reser
Tourette syndrome, and the closely related spectrum of tic disorders, are inherited neuropsychiatric conditions characterized by the presence of repetitive and stereotyped movements. Tics are elicited by either environmental experiences or internal signals that instruct the basal ganglia to initiate automatic or procedural movements. In most vertebrates the basal ganglia encode instructions for habitually used sequences of motor movements that are essential to survival. Tic disorders may represent evolved phenotypes with a lower threshold for basal ganglia-directed actions...
February 2017: Medical Hypotheses
https://www.readbyqxmd.com/read/28093257/selective-preservation-of-cholinergic-mecp2-rescues-specific-rett-syndrome-like-phenotypes-in-mecp2-stop-mice
#15
Huanhuan Zhou, Wei Wu, Ying Zhang, Haiyang He, Zhefeng Yuan, Zhiwei Zhu, Zhengyan Zhao
RTT is a neurodevelopmental disorder characterized by growth regression, motor dysfunction, stereotypic hand movements, and autism features. Typical Rett syndrome (RTT) is predominantly caused by mutations in X-linked MeCP2 gene which encodes methyl-CpG-binding protein 2 (MeCP2). The brain-abundant MeCP2 protein mainly functions as a transcriptional regulator for neurodevelopment-associated genes. Specific functions of MeCP2 in certain neuron types remain to be known. Although cholinergic system is an important modulating system in brain, how MeCP2 in cholinergic neurons contribute to RTT has not been clearly understood...
January 16, 2017: Behavioural Brain Research
https://www.readbyqxmd.com/read/28090698/presentation-and-validation-of-the-duckees-child-and-adolescent-dynamic-facial-expressions-stimulus-set
#16
Nicole R Giuliani, John C Flournoy, Elizabeth J Ivie, Arielle Von Hippel, Jennifer H Pfeifer
The stimulus sets presently used to study emotion processing are primarily static pictures of individuals (primarily adults) making emotional facial expressions. However, the dynamic, stereotyped movements associated with emotional expressions contain rich information missing from static pictures, such as the difference between happiness and pride. We created a set of 1.1 s dynamic emotional facial stimuli representing boys and girls aged 8-18. A separate group of 36 individuals (mean [M] age = 19.5 years, standard deviation [SD] = 1...
January 16, 2017: International Journal of Methods in Psychiatric Research
https://www.readbyqxmd.com/read/28039782/reduced-sensitivity-to-social-priors-during-action-prediction-in-adults-with-autism-spectrum-disorders
#17
Valerian Chambon, Chlöé Farrer, Elisabeth Pacherie, Pierre O Jacquet, Marion Leboyer, Tiziana Zalla
An extensive amount of evidence has documented a diminished ability to predict and understand other people's action in individuals with autism spectrum disorders (ASD). Recently, two theoretical accounts, the "Hypo-priors" and the "Aberrant precision" hypotheses, have suggested that attenuated Bayesian priors or an imbalance of the precision ascribed to sensory evidence relative to prior expectations may be responsible for the atypical perceptual experience and difficulties with action understanding in ASD...
March 2017: Cognition
https://www.readbyqxmd.com/read/28018667/a-continuous-ideal-free-distribution-approach-to-the-dynamics-of-selfish-cooperative-and-kleptoparasitic-populations
#18
Ilona Reding, Michael Kelley, Jonathan T Rowell, Jan Rychtář
Population distributions depend upon the aggregate behavioural responses of individuals to a range of environmental factors. We extend a model of ideally motivated populations to describe the local and regional consequences of interactions between three populations distinguished by their levels of cooperation and exploitation. Inspired by the classic prisoner's dilemma game, stereotypical fitness functions describe a baseline non-cooperative population whose per capita fitness decreases with density, obligate co-operators who initially benefit from the presence of conspecifics, and kleptoparasites who require heterospecifics to extract resources from the environment...
November 2016: Royal Society Open Science
https://www.readbyqxmd.com/read/27993527/use-of-electric-field-sensors-for-recording-respiration-heart-rate-and-stereotyped-motor-behaviors-in-the-rodent-home-cage
#19
Donald J Noble, Camden J MacDowell, Michael L McKinnon, Tamra I Neblett, William N Goolsby, Shawn Hochman
BACKGROUND: Numerous environmental and genetic factors can contribute significantly to behavioral and cardiorespiratory variability observed experimentally. Affordable technologies that allow for noninvasive home cage capture of physio-behavioral variables should enhance understanding of inter-animal variability including after experimental interventions. NEW METHOD: We assessed whether EPIC electric field sensors (Plessey Semiconductors) embedded within or attached externally to a rodent's home cage could accurately record respiration, heart rate, and motor behaviors...
February 1, 2017: Journal of Neuroscience Methods
https://www.readbyqxmd.com/read/27940212/the-categories-frequencies-and-stability-of-idiosyncratic-eye-movement-patterns-to-faces
#20
Joseph Arizpe, Vincent Walsh, Galit Yovel, Chris I Baker
The spatial pattern of eye-movements to faces considered typical for neurologically healthy individuals is a roughly T-shaped distribution over the internal facial features with peak fixation density tending toward the left eye (observer's perspective). However, recent studies indicate that striking deviations from this classic pattern are common within the population and are highly stable over time. The classic pattern actually reflects the average of these various idiosyncratic eye-movement patterns across individuals...
December 16, 2016: Vision Research
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