Study reveals why eyes in some paintings seem to follow viewers
...unique perceptual aspects of viewing a picture. We perceive the object depicted in a painting as a surface in 3-dimensional space, but we also perceive that the painting itself is a 2-dimensional surface that is hanging on the wall. "When we look at a ...Brain has center for detecting sound motion
...l tests before the operation showed her ability to perceive sound location and motion to be normal. In those t...ss." During perceptual tests, she stated "I do not perceive the sounds as moving at all, but rather as being completely stable." In contrast, she could still pe...British scientists exclude 'maverick' colleagues, says report
...ir own protection, whereas Swedish interviewees to perceive such procedures as a sign of increasing bureaucracy. British scientists felt a greater need for claims to be 'watertight', imagining a potentially hostile response....The amendment to the law on green Genetic Engineering inhibits innovation and research in Germany
...ave relevant technical expertise. The DFG does not perceive a need for new boards, new bureaucratic regulations or additional authorities. The envisaged establishment of a federal register for recording the location of GMOs and registers for each of the 16 states, as well as the long lead times prior to sowi...UCSD study shows how we perceive world depends on precise division of labor among cells in brain
...ized. If it were not, then one might, for example, perceive someone's lips move before hearing the words being spoken--like a badly dubbed foreign film. The brain also needs to know how intense a stimulus is because intensity will influence what action needs to be taken. For example, an uncomfortable shoe ...Moving targets: when it comes to patterns, motion gets factored in
...ings that challenge a commonly held view of how we perceive patterns. The work is reported by Shin'ya Nishida ...ation. In contrast to general beliefs about how we perceive patterns, these findings indicate that the human brain uses the whole visual motion system to integr...Many physicians misperceive radiation risks to developing fetuses from X-rays and CT scans
Physicians who care for pregnant women perceive the risks to developing fetuses in early pregnancy from abdominal X-rays and CT scans to be unrealistically high, says a new study from researchers at the Hospital for Sick Children and the University of Toronto in Canada. For the study, the research...Human brain works heavy statistics learning language
...n syllables. They wanted to know how it is that we perceive breaks between spoken words, when in fact there ar...reign languages are talking very quickly; we don't perceive pauses. So how is a baby supposed to make out where one word begins and another ends? Newport and As...How we perceive the brightness of light may reveal how the brain is wired to handle the wide ranges of light stimulation we encounter every minute. A Salk Institute study, published in the April 15 issue of Nature , shows that timing as well as the intensity of a ...Food tastes stronger when you're hungry
...ceptors on your tongue, or by changing the way you perceive the same taste stimuli, the author suggests. Professor Zverev from the University of Malawi persuaded 16 male undergraduates to forgo breakfast, having eaten a set dinner at 6.30 the previous evening. He then asked the students to sip sugar, salt or ...Monkey talk, human speech share left-brain processing
...ar than from the left. Also, a monkey's ability to perceive such calls is impaired if it lacks the left auditory cortex, but not the right. To find out how this works, the researchers used PET (positron emission tomography) scanning. A radioactive tracer visualized the parts of the brain that were active whi...Chimp vs. human DNA: what's in the 1% difference
...lly, two key differences are how humans and chimps perceive smells and what we eat. A massive gene-comparison project involving two Cornell University scientists, and reported in the latest issue of the journal Science (Dec. 12, 2003), found these and many other differences in a search for evidence of accel...Lifestyle accounts for difference in chimp, human genome
...lly, two key differences are how humans and chimps perceive smells and what we eat. A massive gene-comparison project involving two Cornell University scientists, and reported in the latest issue of the journal Science (Dec. 12, 2003), found these and many other differences in a search for evidence of accel...Purdue biologists expose the inner workings of viral machine
... has a double-stranded structure that a host could perceive as a threat. RNA is a molecule closely related to DNA and exists in a form known as the "messenger molecule" that leads to the translation of genetic information within cells. "If a reovirus exposed its strands of RNA to a cell's cytoplasm directly, ...Brain's 'master molecule' produces same behavior in mice from three different psychostimulant drugs
...rs, including those related to mood and the way we perceive the world," says Svenningsson....Researchers home in on obesity gene and offer explanation for overeating
...eal an inability to control their food intake, and perceive high levels of hunger. Authors of this research are based at Imperial College London, Hammersmith Hospital, London, the Institut Pasteur de Lille, France, the University of Washington, USA, Paul Brousse Hospital, and Paris VI University, France....Researchers define molecular basis of human 'sweet tooth'
...aste cells of mice, thereby producing animals that perceive a previously tasteless molecule as sweet. Both of ...astes all the way to the centers in the brain that perceive those tastes. The findings also suggest that individual variations in the "sweet tooth" response may...Newly identified gene may halt fuzzy, moldy fruit
...Botrytis, what biological events occur when plants perceive that this fungus or other necrotrophic pathogens are present," Mengiste said. Botrytis is a necrotrophic pathogen, meaning it obtains nutrients from dead cells. That is why the fungus kills the plant cell or invades through injured or dead parts of p......odors that smell the same to us, or that we cannot perceive at all, are quickly recognizable as distinct and meaningful odors to rodents and other animals in which the Nose Knows. But just how quick? By measuring the speed of smell, researchers at Cold Spring Harbor Laboratory have now found that unlike human...Purdue biologists' spotlight solves mysteries of photosynthesis, metabolism
...ould see merely the tip of the iceberg, we can now perceive the entire mechanism of photosynthesis," said Cramer, the Henry Koffler Distinguished Professor of Biological Sciences in Purdue's School of Science. "Before we found a way to crystallize the cytochrome, we had a general picture of the photosynthetic...