objective brain abscesses represent organized foci of suppuration within the parenchyma. here we report a 3 month-old girl with a very huge complicated cerebral abscess, and the course of treatment given. the patient's recovery was excellent. the follow up mri showed only subtle porencephalic changes as the only parenchymal sequelae, which may be due to cns plasticity in infants.

migraine is a primary headache which is very common in the society. although it is usually starts in a salient point in life span of an individual diagnostically, the repetition of acute stress response such as sleep abnormalities, anxiety, and depression are not new in this population. therefore, they have had almost a long diary of these abnormalities. in order to understand the role/s of str...

The molecule calcium calmodulin kinase II ( CaMKII) is known to play a fundamental role in the induction of many forms of synaptic plasticity. A major theory of CaMKII function proposes that autophosphorylation of the molecule mediates not only the induction but also the maintenance of synaptic plasticity. To test this hypothesis, we assessed ocular dominance plasticity in genetically engineere...

A model for the elastic-viscoplastic response of metallic single crystals is developed on the basis of the modern finite-deformation theory of plasticity combined with considerations of material symmetry. This is proposed as an alternative to conventional crystal plasticity theory, based on a decomposition of the plastic deformation rate into a superposition of slips on active slip systems. A s...

We review the classical theory of static and quasi-static plasticity in an abstract framework of convex analysis. It can be shown that the extended use of orthogonal projections onto closed convex sets simplifies the analysis substantially. We present new characterizations of the primal problem in plasticity. The abstract setting is applied to problems in perfect plasticity and to plasticity wi...