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For example, for certain stimuli, the most powerful responses in area V1 are caused by lights that excite opponent color mechanisms. Measurements with contrast reversing lights and simple rectangular patterns reveal powerful color opponent signals along the pathway from V1 to V2 and V4/V8. Moreover, moving stimuli, seen only by opponent color mechanisms, evoke powerful activations in motion selective areas located in the lateral portion of the parietooccipital sulcus. CONCLUSIONSSeveral general organization principles can be extracted from the data summarized in this entry. First, the occipital lobe is composed of a number of distinct visual areas. Second, several of these stages contain a retinotopic representation of the visual eld. However, ascending through the processing stages the retinotopic mapping becomes coarser, whereas the functional properties of these areas become more complex. Third, all visual tasks activate an extended network of visual areas, including V1/V2. This is consistent with the idea that processing of visual information requires both local processing in lower visual areas and more complex operations extracting global attributes in high level stages. Fourth, there is a general tendency of motion and depth processing to activate the dorsal processing stream extending into parietal and midtemporal cortex, whereas color and form processing tend to activate the ventral processing stream, extending to ventral occipitotemporal areas. Kalanit Grill Spector,Department of Psychology,Stanford University,Jordan Hall, Bldg.

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4. They will send a form for details about your gold and a gold or silver return pack. One can complete the form, put the items in the gold return pack and send it via the self addressed envelope sent by the buyer. As soon as the online buyers receive your gold return packet; they assess the value of the gold or silver item and offer a price to the seller. If the seller is satisfied, he can sell the items, or refuse the offer, in which case the items will immediately be returned to the seller. If the seller accepts the offer, the payment is immediately transferred to the seller's bank account.

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6 million women ages 30 to 65. There is approximately a three fold improvement in the cancer detection rate of co testing compared to HPV only. Current guidelines recommend that women first start getting the Pap test alone when they turn 21 and repeat every three years if the test is normal until age 30. A Pap plus HPV test, or co testing, is recommended for women ages 30 to 65, and if both are negative repeated every five years, regardless of whether they have received HPV vaccination. "However, there is compelling scientific evidence that co testing every three years misses less cases of cancer and pre cancer than every five year co testing," Dubin noted. While HPV is typically associated with females, it is the most common sexually transmitted infection. The majority of sexually active people in the United States male and female will have HPV at some time in their lives, but most will not experience any symptoms. In a small portion of women, it can result in cervical cancer and warts; in men, it can cause penile and cancer and according to the NIH. Both genders can develop sexually transmitted diseases, including herpes, gonorrhea and according to the National Institutes of Health NIH. HIV/AIDS, a disease of the immune system, is not exclusively transmitted through contact; activity is one of the ways that the HIV virus is spread. For females, severe menstrual cramping, or dysmenorrheal, is the most common disease of the reproductive system occurs with a woman's monthly menstrual period, according to Dr.

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C 20594Safety Recommendationhk December 13, 1995In Reply Refer To: H 95 452The April 1995 National Transportation Safety Board investigative conference Mobile Collision Warning Technology for Low Visibility bw Awareness Collisions observed that the tail lamp low luminance of 2 18 candela does not increase the visibility of a vehicle in typical daylight fog conditions. Flasher lamps have a luminance of 80 300 candela. Researchers indicated that in daylight when the nominal visibility range of a vehicle is 300 feet, the use of flasher lamps with a luminance of 80 candela can increase the visibility range to 450 feet. The Safety Board concluded that the use of four way hazard flashers can increase the visibility of stopped or slow moving vehicles in fog conditions. The increased visibility allowed driver 5 to see and avoid a collision with the rear of vehicle 4. The Safety Board also concluded that the use of emergency flashers by vehicles 1, 2, or 3 may have allowed the following drivers enough time to have avoided striking preceding vehicles. The measure of the tendency for an object to be easily seen is conspicuity. However, conspicuity does not refer simply to the physical state of an object or hazard but has another component. For the hazard to be perceived, it must be filtered through the senses and past experiences of the driver. A driver can begin the process that leads to addressing a hazard only when that individual attends to sensory input. The increased luminance of hazard flashers increases visibility about 50 percent over taillight use alone.

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The Sesame Street curriculum focuses on mere technical skills, the tools of mental cultivation rather than mental cultivation itself, the building blocks of thought rather than thought. Why anyone would want to read, what wider world literacy might unlockon these questions of the purpose and value of the skills it teaches, Sesame Street is silent. Worse, the show's anti intellectualism and its glorification of television culture over print send the implicit message that the skills of literacy have no meaningful purpose. Stripped of all the noise and color, the fun and the speed, the sophisticated design school aesthetic and the unfailing wittiness, it is nothing more than a disjointed series of animated flash cards about 40 per one hour show, whose inherent blandness and triviality the producers spend millions trying to disguise. In one small fraction of one show, the three year old might be treated to a 30 second flash of the letter T, a 30second rap on littering, a 30 second Chinese design of the numbers one through eight, a one minute skit by Muppets, on the number eight, a two minute song on cooperation, a 30 second film clip of kids cooperating during a game, a one minute rock song animation of squares and triangles. Although the subject list has changed a bit over the years to include things like recycling and the increasingly fine points of self esteem, the show's basic formulabreathing life into a bloodless curriculum through television glitzhas remained untouchable. How bloodless?Take just one eloquent example: a Muppet holds up a picture of the Coliseum and pronounces it "a very old building that lots of people visit. " Then she goes on to another tenuously related picture completely missing the opportunity to kindle children's unfailing fascination with gladiators, perhaps even to tell the story of Androcles and the lion, and bring history to life. But by now it should be clear that the creators of Sesame Street don't think much of children's curiosity. They inevitably strip the interest out of sequences concerned with subjects like animals or how things are made. The contrast between one Sesame Street segment and another by the hopelessly square Mister Rogers captures the extent to which Sesame Street relies on seductive distracters instead of finding the interest in inherently interesting subjects.