نتایج جستجو برای: marr mutation
تعداد نتایج: 292154 فیلتر نتایج به سال:
• Comparisons of the models Marr, Ito and Albus for motor learning control. A review synaptic plasticity in achieving supervised learning. Condon theory may be relevant to newer functions cerebellum. Computational roles cerebellar internal models. Hierarchical reinforcement with multiple as a new computational Fifty years have passed since David Masao Ito, James proposed seminal functions. Thes...
Marr's distinction between three levels of explanation of a computational system has become a familiar part of the methodology of cognitive science. Marr distinguishes between the top level of computational theory, the middle level of representation and algorithm, and the bottom level of hardware implementation, and claims that we understand an information-processing system completely only when...
The contribution of regulatory genes to fluoroquinolone resistance was studied with clinical Escherichia coli strains bearing mutations in gyrA and parC and with different levels of fluoroquinolone resistance. Expression of marA and soxS was evaluated by Northern blot analysis of isolates that demonstrated increased organic solvent tolerance, a phenotype that has been linked to overexpression o...
David Marr's book Vision attempted to formulate athoroughgoing formal theory of perception. Marr borrowed much of the "computational" level from James Gibson: a proper understanding of the goal of vision, the natural constraints, and the available information are prerequisite to describing the processes and mechanisms by which the goal is achieved. Yet, as a research program leading to a comput...
Bacteroides fragilis is the strict anaerobic bacteria most commonly found in human infections, and has a high mortality rate. Among other virulence factors, the remarkable ability to acquire resistance to a variety of antimicrobial agents and to tolerate nanomolar concentrations of oxygen explains in part their success in causing infection and colonizing the mucosa. Much attention has been give...
the miru-vntr polymorphism and katg463 mutation are used to genotype the mycobacterium tuberculosis, but the correlation between them and inh-resistance were unknown. this study was aimed to explore whether etre polymorphism and katg463 mutation could predict the inh-resistance, and the relationship between etre polymorphism and katg463 mutation.the etre, katg463 mutation and drug resistance in...
background: about 10% of infertilities with obstructive azoospermia are congenital and caused by cf gene mutations. m469i mutation was observed for the first time in taiwanese patients. this mutation not only causes cf, but also may be the origin of infertility too. objective: in this study, we aimed in designing a rapid, reliable rflp-pcr procedure for detection of m469i mutation. the correlat...
Background and Objective: Profound hearing loss is one of the most prevalent congenital disorders affecting about 1 in 1000 newborns. Autosomal recessive non-syndromic hearing loss (ARNSHL) is the predominant form of the severe inherited childhood deafness. This type of hearing loss in one-half of the cases is caused by mutations in GJB2 (connexin 26) and GJB6 (connexin 30) genes located at DFN...
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