نتایج جستجو برای: کنترل مستقیم نیروی الکترومغناطیسی dfc
تعداد نتایج: 137949 فیلتر نتایج به سال:
The purpose of the present study was to examine the extent to which Desire for Control (DFC) interacts with experimental manipulations of demand and control, and the consequences of these interactions on task satisfaction and perceived goal attainment (i.e. task performance and task mastery). It was expected that the proposed stress-buffering effects of control would be evident only for individ...
Exposure to acute stress induces multiple emotional responses, each with their own unique temporal dynamics. Dynamic functional connectivity (dFC) measures the temporal variability of network synchrony and captures individual differences in network neurodynamics. This study investigated the relationship between dFC and individual differences in emotions induced by an acute psychosocial stressor...
Resting-state functional magnetic resonance imaging (fMRI) has highlighted the rich structure of brain activity in absence of a task or stimulus. A great effort has been dedicated in the last two decades to investigate functional connectivity (FC), i.e. the functional interplay between different regions of the brain, which was for a long time assumed to have stationary nature. Only recently was...
زمینه و هدف : میدان های الکترومغناطیسی ضعیف (l.e.m.f) توسط دستگاه های مختلفی که با نیروی الکتریسیته کار می کنند؛ تولید می شوند. این مطالعه به منظور تعیین اثر میدان الکترومغناطیسی ضعیف بر مرگ جنینی داخل رحمی و مگاکاریوسیت های مغز استخوان نوزادان موش nmri انجام شد. روش بررسی : در این مطالعه تجربی 64 سر موش ماده نژاد nmri با سن حدود 8-6 هفته تهیه و در حیوان خانه دانشکده پزشکی دانشگاه علوم پزشکی ار...
This article describes a pattern classification algorithm for pediatric epilepsy using fMRI language-related activation maps. 122 fMRI datasets from a control group (64) and localization related epilepsy patients (58) provided by five children's hospitals were used. Each subject performed an auditory description decision task. Using the artificial data as training data, incremental Principal Co...
Distributed Feature Composition (DFC) is a modular architecture for building telecommunication services. It has been implemented and used to build two industrial-scale Voice-over-IP services, as well as many smaller prototype and demonstration services. With all this experience it is possible to assess how and how well DFC modularity works.
Exploring time-varying connectivity networks in neurodegenerative disorders is a recent field of research in functional MRI. Dementia with Lewy bodies (DLB) represents 20% of the neurodegenerative forms of dementia. Fluctuations of cognition and vigilance are the key symptoms of DLB. To date, no dynamic functional connectivity (DFC) investigations of this disorder have been performed. In this p...
Distributed Feature Composition (DFC) is a new technology for feature specification and composition, based on a virtual architecture offering benefits analogous to those of a pipe-and-filter architecture. In the DFC architecture, customer calls are processed by dynamically assembled configurations of filter-like components: each component implements an applicable feature, and communicates with ...
In the first part of this paper the decorrelation theory of Vaudenay is analysed. It is shown that the theory behind the proposed constructions does not guarantee security against state-of-the-art differential attacks. In the second part of this paper the proposed Decorrelated Fast Cipher (DFC), a candidate for the Advanced Encryption Standard, is analysed. It is argued that the cipher does not...
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