Tag: "visual" at biology news
Research shows how visual stimulation turns up genes to shape the brain
...lfactory system, maintain lifelong plasticity. The visual
system provides an exemplary model for studying de...hers David Hubel and Torsten Wiesel describing the visual
system's structure, prerequisite knowledge for investigating its flexibility. Although visual
News tips from the Journal of Neuroscience
...J. Linden According to the "domain-specific" view, visual
working memory tasks are separated in the lateral prefrontal cortex into functional subdivisions: dorsal areas handle the spatial features of a task, and ventral areas take on object and color information. The "process-specific" account, in contrast,...
Even at small scales, the big decisions are made at the water cooler
...rve cells along the back of our eyes that transmit visual
signals to the brain, organize their actions based on communications they have with other individual cells rather than on group-style discussions. The findings, derived from experiments with and mathematical models of groups of 40 cells in the retina...
'Word-vision' brain area confirmed
... extensively than the perception of other types of visual
stimuli, our patient presented a clear-cut reading impairment following surgery, while his performance remained flawless in object recognition and naming, face processing, and general language abilities," reported the researchers. "Such selectivity m...
Salk research challenges concept that motion perception is all black and white
...it that is likely to play an important role in the visual
perception of moving objects. Their finding, publi...s. "There are many different kinds of cues in the visual
environment that can be used to detect motion basically anything that is moving," says Edward M. Ca...
News Tips from The Journal of Neuroscience
...GN. The authors recorded spike rates of individual visual
TRN neurons in monkeys. These neurons had a high b...hort latency (∼25 ms) transient responses to visual
stimuli. Because the TRN receives multimodal input, the authors examined responses in which monkeys ...
Animal brains 'hard-wired' to recognize predator's foot movements, Queen's study suggests
...y be due to an innate "life detector" tuned to the visual
movements of an approaching predator's feet, says ...versity psychologist Niko Troje. "We believe this visual
filter is used to signal the presence of animals that are propelled by the motion of their feet and ...
Cuttlefish masters of disguise despite colorblindness
...sters of disguise change their appearance based on visual
cues, they do so while being completely colorblind... whose color intensities were matched to the Sepia visual
system, suggesting that these checkerboards appeared to their eyes as uniform backgrounds. However, ...
New groundbreaking findings in taste, smell and chemical irritation
... What possibly can mutant zebrafish tell us about visual
and other behaviors -- Zebrafish exhibit robust l...c analysis of vision. Behavioral tests can uncover visual
system mutations that yield totally, partially and color blind fish as well as fish that demonstrate...
News tips from The Journal of Neuroscience
...lrike Grnert The primate midget-parvocellular (PC) visual
system contributes to redgreen color detection. In...in the lateral geniculate nucleus, and finally the visual
cortex. To determine whether color selectivity arises from cone-selective contacts, the authors exam...
Friedemann Schrenk receives the 2006 Communicator Award
...s on casts of hominid finds which are available as visual
aids. This allows the school children to obtain in.... In addition to making use of the educational and visual
aids this also boosts contact and interaction between European and African schools. The award panel...
Targeted drug delivery now possible with 'pHLIP' peptide
... "freezes" the cellular skeleton giving a distinct visual
pattern under the microscope....
People with near death experiences can differ in sleep-wake control
...of being surrounded by light could be based on the visual
activity that occurs during the REM state, Nelson said. During the REM state, the muscles can lose their tone, or tension. "During a crisis that occurs with REM state intrusion, this lack of muscle tone could reinforce a person's sense of being dead ...
Plants used to detect gas leaks, from outer space!
...on should identify gas leaks at least as well as a visual
report from a helicopter, which is the current method, and would be safer and possibly cheaper." Steven will present his research on Thursday 6th April at the Society for Experimental Biology's Annual Main Meeting in Canterbury [session P3] In the...
Blind mice recover visual responses using protein from green algae
...nals through the retina and the optic nerve to the visual
cortex of the brain, where visual
images are formed. Unfortunately, photoreceptors degenerate and die in some genetic diseases, such a...
'Prosthetic' retinal cells let blind mice see light
...ons generated signals that were transmitted to the visual
cortex of the animals' brains. "With this strategy... determined whether the light signals reaching the visual
cortex could be interpreted as vision. Also, the algal protein is less sensitive to light than is th...
Pine nut oil boosts appetite suppressors up to 60 percent for 4 hours
... subjective feelings of appetite were evaluated by visual
analog scales, a validated scoring system. The experiment found a parallel and significant increase in cholecystokinin (CCK) of 60% and glucagon-like peptide 1 (GLP1) of 25% that remained as long as four hours after ingestion. CCK and GLP1 are appeti...
Anti-inflammatory effects of omega 3 fatty acid in fish oil linked to lowering of prostaglandin
... 3 fatty acids' impact on neuronal development and visual
acuity -- are probably due to effects on biochemical pathways regulating nerve transmission. Understanding the different pathways through which omega 3 works to convert prostaglandin helps explain why the plant-based omega 6 fatty acids don't simply ...
Why are letters and other human visual signs shaped the way that they are?
...te of Technology explore the hypothesis that human visual
signs have been cross-culturally selected to refle...ng systems, Chinese characters, and non-linguistic visual
signs, and found that these very different types of human visual
signs possess a similar shape struc...
News tips from the Journal of Neuroscience
...ed synapses were more likely to retract. Patterned visual
stimulation both stabilized branches containing mo...asping, whereas other studies have interpreted the visual
sensitivity of PPC neurons as an indication of a role in attention to the target location. The autho...
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