despite the many studies about timing for surgery in subarachnoid hemorrhage (sah), the optimum time is still unclear. the aim of this study was to determine the results of early and late surgery for aneurysmal subarachnoid hemorrhage. in this cross-sectional study we evaluated the results of 70 consecutive surgery for aneurysmal subarachnoid hemorrhage in in firuzgar hospital from 2005 to 2008...

Many physiological events require an accurate timing signal, usually generated by neural networks called central pattern generators (CPGs). On the other hand, properties of neurons and neural networks (e.g. time constants of neurons and weights of network connections) alter with time, resulting in gradual changes in timing of such networks. Recently, a synaptic weight adjustment mechanism has b...

human’s conception and cognition of art takes place in their communication with the work of art. these works’ hidden concepts and values which have been beyond their creators’ thoughts manifest in relation with the works. the process of cognition is conceiving the creator’s thought which manifests in a physical body. communication process is one of the most important aspects in the value of a p...

the conception and creation of eternal samples is one of the most evident efforts made by man from the very beginning of human life when he observed death and mortality and found all the world's manifestations prone to collapse and destruction. one of the most significant images related to the concept of externality and immortality is circular symbols. in fact, man has represented the conc...

Pregnancy in end stage renal disease women who are on Hemodialysis has been considered a challenging event for both mother and fetus. Generally, outcomes of pregnancy in patients with end-stage renal disease (ESRD) have been considered to be extremely poor, and pregnancy in this group of patients is rather scarce. The frequency of conception is ranged from 0.3% per year in Belgium to 1.4% per y...

By interpreting the basic concepts of Kant?s definition enlightenment, as well pointing out importance discussion for development understanding and explaining role state power in educating citizens, author argues that enlightenment ought to be understood an imperfect duty every human being. This belongs virtue according which we are obligated, among other things, advance our own perfection. In ...