sex and the brain

... and wakefulness due to age and gender. It is well known that general metabolism and the sleep–wake pattern in the very young and the aged differ from those in the adult and middle-aged. Nevertheless, TF1650_C02.fm ... research interests are brain metabolism, brain development, the effects of coffee and caffeine on the brain, and temporal lobe epilepsy. She has authored or co-authored approximately 200 articles, books, and book ... memory, and a letter cancellation task was maintained throughout the reminder of the night and morning; however, the exposure to light alone without the caffeine actually degraded the performance. The...

Ngày tải lên: 15/03/2014, 04:20

... are: the expression of the physiognomy, the gesture, the cry, and the speech; or the reflex action on the circulation, the pallor or blushing, the heat mounting to the head, or the cold of the ... defend the existence of the subject point out that this subject properly constitutes the Ego, and that the distinction of the subject and the object corresponds to the distinction of the Ego and ... referring to the visual and other sensations, raised for the occasion to the dignity of external and per[37]manent causes, the other sensations which are considered as the effects of the first...

Ngày tải lên: 29/03/2014, 12:20

... testing whether these examples can satisfy the definition given in §5 for a quantum switch. One question is whether the states ρ 1 and ρ 2 are sufficiently different, and the other is whether the quantum ... or quiescent. The input to the brain is through the firing of sensory neurons in the peripheral nervous system, caused by changes in the external world, and the output is through the firing of motor ... also benefit from the fact that there is no mathematics in the sections which aim to be comprehensible to biologists. 2. The Problems of Quantum Mechanics and the Relevance of the Brain. (This section...

Ngày tải lên: 18/04/2014, 15:28

Ngày tải lên: 29/06/2014, 09:20

Ngày tải lên: 04/07/2014, 20:45

Ngày tải lên: 27/07/2014, 00:31

Ngày tải lên: 13/08/2014, 08:20

... of GIF within the brain. Further studies are required to determine the function of GIF within the normal, injured and neurodegenerative brain, and to establish the therapeutic potential of the protein. Acknowledgements This ... the functional roles of this protein in the brain, and in particular its ability to inhibit neurite outgrowth (as described above). The functional role of GIF synthesis and secretion in the brain Taken ... sclerosis and Down syndrome, MT1 and MT2 levels are consider- ably elevated in all of these conditions [22]. In the trau- matically injured brain, however, the synthesis of MT1 and MT2, as well as the...

Ngày tải lên: 16/02/2014, 15:20

... provided by the Harvard Brain Tissue Resource Center (Belmont, MA, USA) and the Netherlands Brain Bank (Amsterdam, The Netherlands). Blocks of cortex, anterior amygdala, striatum and midbrain from ... low expression levels of these enzyme classes. Based on the Fig. 4. Dark field micrographs showing the expression of ADH mRNA in the rat brain: cells in the dentate gyrus (DG), the hilus and the cornu amonis fields ... ADH, the only ADH found also in lower animals, yeast and plants [3]. Table 1 shows the relation between the different ADH genes and proteins and the class-based nomenclature [4]. To simplify the...

Ngày tải lên: 21/02/2014, 00:20

... for the brain cancer analysis were: race, sex, age at diagnosis, histologic type, grade and primary site. The combinations of particular interest were: race and sex, histologic type and sex and ... stage and sex, SEER stage and grade, histologic type, race and sex and histologic type and SEER stage. Race and Sex For all race specific analyses of the 1,105 patients, only white and black ... there will be 18,820 new cases diagnosed of and 12,820 deaths from brain and other CNS cancer in the United States each year (1). The average annual age- adjusted incidence rate for brain and...

Ngày tải lên: 22/03/2014, 17:20

... and standard cytotoxic chemotherapies. The existence of blood -brain and blood-tumor barriers impede drug delivery to the tumor and adjacent brain infiltrated with tumor. In addition the low therapeutic ... 21:207–215 Evolution of the Molecular Biology of Brain Tumors and the Therapeutic Implications20 cies. Elevated versican production occurs in either the tumor cells or the stromal cells surrounding the tumor. ... transmembrane domain and cytoplasmic domain. The amino terminal domain can link to the ECM components such as HA and other GAGs. The stem structure domain binds the amino-terminal domain and transmembrane...

Ngày tải lên: 23/03/2014, 10:20

... d-serine in rat brain co-localized almost perfectly with that of NMDARs [33,34]. The density of d-serine is much lower in the caudal part of the brain, including the adult cerebellum and brainstem ... receptors in the brain and are involved in many physiological processes, including memory formation, synaptic plasticity and develop- ment [1]. The NMDARs are composed of multiple subunits and their ... neurons. On the other hand, neuronal synthesis of d-serine will require conversion of glycine into l-ser- ine by the serine hydroxymethyltransferase enzyme [74] or uptake of l-serine from the extracellular...

Ngày tải lên: 30/03/2014, 04:20