نتایج جستجو برای: mental delay

تعداد نتایج: 385961  

Journal: :iranian journal of child neurology 0
mahmoud reza ashrafi professor of pediatric neurology, growth and development research center, department of pediatric neurology, tehran university of medical sciences, tehran, iran

objective mental retardation (mr) or intellectual disability is one of three chronic and disabling neurological disorders of children and adolescents. its prevalence is estimated 1-3% of the population. mr is defined as significant sub-average intellectual functioning and adaptive behavior that become detectable before the age of 18. mr may come into view before 5 years as delay in at least two...

Journal: :iranian journal of child neurology 0
parvaneh karimzadeh associate professor of pediatric neurology, pediatric neurology research center, shahidbeheshti university of medical sciences, mofid children hospital, tehran, iran

this condition is due to deficiency in electron transport flavoprotein or electron transport fluvoprotein dehydrogenase.the clinical presentation is characteristic of fatty acid oxidation disorders. this disorder is poor prognostic and death in infancy is common.the central nervous system involving causes neurodevelopmental delay, hypotonia, and head lag. different type of seizures such as infa...

Journal: :iranian journal of child neurology 0
enayatollah abbas nejad professor of neurosurgery, iran university of medical sciences, tehran, iran mehdi nikoobakhat resident of neurosurgery, iran university of medical sciences, tehran, iran

objective to evaluate the developmental situation of children that undergo operation because of syndromic and non-syndromic craniosynostosis. materials & methods in this prospective study, 24 children (4 to 16 months of age) who underwent neurosurgeryical intervention because of non-syndromic (79%) and syndromic (21%) craniosynostosis were recruited. for psychological evaluation, the bayley sca...

Journal: :international journal of preventive medicine 0
seyedeh sahar hosseini mehri rejali gholam reza kheirabadi roqayeh aliyari

background:the different duration of delay to first contact with a psychiatrist in depressive disordered patients has been observed in western and non western cultures. this study aimed to examine the duration and predictive factors of delay in contact with a psychiatrist in depressive patients in isfahan city of iran. methods:in this cross sectional study 156 depressive patients were recruited...

Journal: :Hong Kong medical journal = Xianggang yi xue za zhi 2008
Kitty M L Tang Theresa Y K Chen Vanessa W Y Lau Morris M F Wu

OBJECTIVE To report the clinical profile of children with mental retardation and developmental delay diagnosed by the Child Assessment Service. DESIGN Retrospective study. SETTING Child Assessment Service, Department of Health, Hong Kong. PARTICIPANTS Data pertaining to the children with mental retardation and developmental delay were drawn from an in-house clinical information system in ...

2006

Networked games are susceptible to delays which degrade the playing experience. A version of Pong was developed to test how delay and delay visualization affect gamers’ mental effort, enjoyment and task performance. A predictor display shadowing the paddle was contrasted experimentally to no visualization at two levels of delay. The experiment showed that higher levels of delay increase the men...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه علوم پایه دامغان 1389

in this thesis, ‎‎using‎‎ ‎concept‎s‎ ‎of‎ ‎wavelet‎s‎ ‎theory ‎‎‎som‎e‎ ‎methods‎‎ ‎of‎ ‎th‎e ‎solving‎‎ ‎optimal‎‎ ‎‎con‎tr‎ol‎ problems ‎(ocps)‎‎. ‎g‎overned by time-delay systems is investigated. ‎th‎is‎ thesis contains ‎tw‎o parts. ‎‎first, the method of obtaining ‎o‎f ‎the‎ ‎‎ocps‎ in time delay systems by linear legendre multiwavelets is ‎ ‎presented‎.‎‎‎‎ the main advantage of the meth...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تبریز 0

a semi-empirical mathematical model for predicting physical part of ignition delay period in the combustion of direct - injection diesel engines with swirl is developed . this model based on a single droplet evaporation model . the governing equations , namely , equations of droplet motion , heat and mass transfer were solved simultaneously using a rung-kutta step by step unmerical method . the...

2004
Giacomo Morabito Ian F. Akyildiz Sergio Palazzo

AbstructABR service relies on a feedback from the network, therefore i t strongly suffers from the long propagation delays characterizing satellite networks. In fact, i t has been shown that the high delay, in combination with high bandwidth, can deceive ABR sources and make them falsely believe that a break occurred somewhere in the path. Since ABR sources respond to breaks by reducing their c...

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