نتایج جستجو برای: lc network

تعداد نتایج: 700446  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس - دانشکده علوم پزشکی 1389

یافته ها نقش اورکسین را در وابستگی به اوپیات ها و بروز سندرم محرومیت از مورفین نشان می دهند. هسته لوکوس سرولئوس (lc) نیز یکی از نواحی مهم مغزی است که در وابستگی به اوپیات ها و بروز علائم رفتاری محرومیت از آن ها ایفای نقش می کند. این هسته در بسیاری از گونه ها متراکم ترین استطاله های اورکسینرژیک را از هیپوتالاموس دریافت می کند. بعلاوه تراکم بالایی از گیرنده نوع 1 اورکسین در هسته lc دیده شده است. ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس 1389

درد باعث بروز پاسخهای فازیک در هسته لوکوس سرولئوس (lc) می شود. افزایش این پاسخها باعث ایجاد بی دردی بواسطه اثر نور آدرنالین مترشحه از نورونهایlc بر نورونهای شاخ خلفی نخاع می گردد. مسیر عصبی اورکسینی هیپوتالاموس به lc در تغذیه، سیکل خواب و بیداری و اعمال شناختی دخالت دارند، گزارشات جدید بر اثرات تعدیل دردی اورکسین و همچنین بر اثر این ماده بر فعالیت lc دلالت دارد، با توجه به اینکه lc بیشترین میزا...

2014
Christoph Born Benedikt L Amann Heinz Grunze Robert M Post Lars Schärer

BACKGROUND Careful observation of the longitudinal course of bipolar disorders is pivotal to finding optimal treatments and improving outcome. A useful tool is the daily prospective Life-Chart Method, developed by the National Institute of Mental Health. However, it remains unclear whether the patient version is as valid as the clinician version. METHODS We compared the patient-rated version ...

Journal: :The Journal of neuroscience : the official journal of the Society for Neuroscience 2009
Philip Eckhoff K F Wong-Lin Philip Holmes

The locus ceruleus (LC) can exhibit tonic or phasic activity and release norepinephrine (NE) throughout the cortex, modulating cellular excitability and synaptic efficacy and thus influencing behavioral performance. We study the effects of LC-NE modulation on decision making in two-alternative forced-choice tasks by changing conductances in a biophysical neural network model, and we investigate...

2017
O Eschenko P B Mello-Carpes N Hansen

From an evolutionary perspective, perception and memory are fundamental capacities of living beings providing adaptive behavior that is necessary for survival in ever-changing environment. Conscious and unconscious perception is generated by the interaction between many brain regions following the transduction of sensory stimuli. Sensory processing leads to cortical integration of the sensory i...

Journal: :Journal of applied physiology 2008
Shereé M Johnson Musa A Haxhiu George B Richerson

The locus ceruleus (LC) contains neurons that increase their firing rate (FR) in vitro when exposed to elevated CO(2)/H(+) and have been proposed to influence the respiratory network to make compensatory adjustments in ventilation. Prp57 transgenic mice express green fluorescent protein (GFP) in the LC and were used to isolate, culture, and target LC neurons for electrophysiological recording. ...

2000
Masami Hyodo Koji Kitao Takafumi Furukawa

It is very important to reduce drilling costs because the cost of drilling the wells is approximately 50% in geothermal energy development for electric power generation. Lost Circulation (LC) is serious problem that contributes greatly to the cost of drilling and completion of the geothermal wells. LC also can be the cause of formation collapse and/or stuck drill strings as well as failure in c...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2014
Christina B Cooley Lisa M Ryno Lars Plate Gareth J Morgan John D Hulleman Jeffery W Kelly R Luke Wiseman

Light-chain amyloidosis (AL) is a degenerative disease characterized by the extracellular aggregation of a destabilized amyloidogenic Ig light chain (LC) secreted from a clonally expanded plasma cell. Current treatments for AL revolve around ablating the cancer plasma cell population using chemotherapy regimens. Unfortunately, this approach is limited to the ∼ 70% of patients who do not exhibit...

Journal: :Alzheimers & Dementia 2023

Background The locus coeruleus (LC) is critical for late-lift cognitive processing by modulating the norepinephrine system, which often first place Alzheimer’s pathology appears. Previous researches have identified that LC was associated with late-life ability. This study aims to investigate whether intrinsic functional connectivity (LC-FC) altered in older adults subjective memory complaints (...

Journal: :Journal of immunology 2007
Clare L Bennett Madelon Noordegraaf Cerithsa A E Martina Björn E Clausen

Dendritic cells (DC) play a pivotal role in the control of T cell immunity due to their ability to stimulate naive T cells and direct effector function. Murine and human DC are composed of a number of phenotypically, and probably developmentally, distinct subsets, which may play unique roles in the initiation and regulation of T cell responses. The skin is populated by at least two subsets of D...

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