نتایج جستجو برای: brain and neural system development

تعداد نتایج: 17420861  

Journal: :iranian journal of pharmaceutical research 0
mr zarrindast a rezayof

this review gives an overview of our recent findings and developments in research on brain mechanisms of morphine reward from studies using the place preference conditioning paradigm. intracranial place conditioning methodology has become a valuable and firmly established and very widely used tool in behavioural pharmacology and drug reward mechanisms. several studies have established that morp...

پایان نامه :موسسه آموزش عالی غیر دولتی و غیرانتفاعی علامه محدث نوری (ره) - پژوهشکده اقتصاد 1393

dynamic assessment according to vygotskys sociocultural theory, states that instruction and assessment are interrelated. using static forms of assessment with second and foreign language students could do more harm than good. many teachers neglect to take account of the complexity involved in learning a second or foreign language and often wonder why learning of a language take so long. thi...

2017
Philipp Lehmann Sören Nylin Karl Gotthard Mikael A Carlsson

Diapause is an important escape mechanism from seasonal stress in many insects. A certain minimum amount of time in diapause is generally needed in order for it to terminate. The mechanisms of time-keeping in diapause are poorly understood, but it can be hypothesized that a well-developed neural system is required. However, because neural tissue is metabolically costly to maintain, there might ...

2017
Fernanda Gubert Camila Zaverucha-do-Valle Michelle Furtado Pedro M Pimentel-Coelho Nicoli Mortari Ana C M Leão Elize A Hayashi Alberto Nobrega Rosalia Mendez-Otero Marcelo F Santiago

CD60b antigens are highly expressed during development in the rat nervous system, while in the adult their expression is restricted to a few regions, including the subventricular zone (SVZ) around the lateral ventricles-a neurogenic niche in the adult brain. For this reason, we investigated whether the expression of C60b is associated with neural stem/progenitor cells in the SVZ, from developme...

Abstract— In order to provide complete security in a computer system and to prevent intrusion, intrusion detection systems (IDS) are required to detect if an attacker crosses the firewall, antivirus, and other security devices. Data and options to deal with it. In this paper, we are trying to provide a model for combining types of attacks on public data using combined methods of genetic algorit...

Journal: :journal of biomedical physics and engineering 0
s amiri department of medical physics and biomedical engineering, school of medicine, shiraz university of medical sciences, shiraz, iran mm movahedi department of medical physics and biomedical engineering, school of medicine, shiraz university of medical sciences, shiraz, iran k kazemi department of electrical and electronics engineering, shiraz university of technology, shiraz, iran h parsaei department of medical physics and biomedical engineering, school of medicine, shiraz university of medical sciences, shiraz, iran

background: brain tissue segmentation for delineation of 3d anatomical structures from magnetic resonance (mr) images can be used for neuro-degenerative disorders, characterizing morphological differences between subjects based on volumetric analysis of gray matter (gm), white matter (wm) and cerebrospinal fluid (csf), but only if the obtained segmentation results are correct. due to image arti...

Djamil Rezki Laid Kahloul Leila Hayet Mouss Nafissa Rezki Okba Kazar

The objective of the current paper is to present an intelligent system for complex process monitoring, based on artificial intelligence technologies. This system aims to realize with success all the complex process monitoring tasks that are: detection, diagnosis, identification and reconfiguration. For this purpose, the development of a multi-agent system that combines multiple intelligences su...

Journal: :مجله علوم اعصاب شفای خاتم 0
yasaman behmanesh islamic azad university, mashhad branch, mashhad, iran

multiple sclerosis is an autoimmune disease of the central nervous system which its main characteristic is an inflammation and demyelination and subsequent, neural degeneration. many studies have shown that inflammation causing neuronal demyelination. ms is the most common cause of chronic neurological disability in during youth which the prognosis is that can be death. platelet activating fact...

2013
Elodie Lanet Alex P. Gould Cédric Maurange

Systemic signals provided by nutrients and hormones are known to coordinate the growth and proliferation of different organs during development. However, within the brain, it is unclear how these signals influence neural progenitor divisions and neuronal diversity. Here, in the Drosophila visual system, we identify two developmental phases with different sensitivities to dietary nutrients. Duri...

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید