The study will make use of adult stem cells from humans with hereditary spastic paraplegia to new treatments to nerve function test restore damaged by the disease informations sildénafil .
The findings, reported in the November issue of Psychological Science, a journal of the Association for Psychological Science, the most important features for identifying both upper – and lowercase letters, the points where the letters end known as also known as line terminations. The researchers suggest horizontal lines in the letters was the second most important feature for letter recognition. To compare the use of human volunteers letter features with optimal use of the information provided, the researchers developed an ideal – observer model. All visual information for for letter identification There were some notable differences comparing the human results with those of the ideal observer. For example, the useful feature of letters for the ideal observer were vertical lines and curves open and not line terminations. The authors note that the human visual system is believed to be specialized for the processing of online contacts that allow us to recognize and distinguish surrounding objects. They suggest that the importance of the results layoffs for letter recognition to encode from an interaction between the relative usefulness of this feature and a strong natural tendency of the human visual system.
American foreign AIDS Treatment Program saved 1.2 million living in AfricaA new report, President Bush PEPFAR reduces AIDS care program, the total number of AID / HIV deaths by 1.2 million of 2004 to 2007. PEPFAR specific Africa countries most concerned. 2.2 billion condom were delivered16 million pregnancies were helping to try to to stop.