Current Olfactory News and Events | Page 21

Current Olfactory News and Events, Olfactory News Articles.
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Assaulting the mosquito's sense of smell
The mosquito may be nature's most effective bioterrorist, accounting for millions of deaths each year. But the end of its eons' long reign of terror may be in sight. Scientists have begun to apply the power of genomics and molecular biology to understand how the mosquito detects the subtle chemical cues that lead it to its targets. (2001-11-26)

Researchers discover precise olfactory map
HHMI researchers discover how signals from different odor receptors are arranged in the brain's olfactory cortex. The findings provide new insights into the processes that underlie odor perception. (2001-11-07)

Does the Pill affect libido by blunting a woman's sense of smell?
Italian scientists have confirmed that the Pill appears to affect a woman's sensitivity to smells In Human Reproduction they suggest this could affect libido and also that the concept of hidden ovulation in humans may need to be rethought. (2001-10-25)

APS Sodium-Calcium Exchange conference featured research
The American Physiological Society highlights some of the featured research from its upcoming conference - (2001-10-05)

Growth factor stimulation leads to increase in new neurons in the brain
Emory University researchers have demonstrated that several regions of the adult rat brain have the capacity to acquire new neurons following the introduction of a growth factor into the brain's lateral ventricle, located in the depths of the cerebral cortex. The study is the first to show the presence of numerous new neurons in certain regions of the brain where they previously have not been found, and suggests that the adult brain may be able to replace neurons lost due to injury or disease. (2001-09-01)

Both smells and pheromones may arouse instinctive behaviors in mammals
In the July 12 issue of Nature, scientists at Indiana University and Harvard Medical School report that the vomeronasal organ in the mammalian nose, which was believed to detect only pheromones, can also detect a variety of smells. (2001-07-16)

'Perfume' lures flies into trap
A Groningen research team has investigated how flies react to the odours of such things as old pork, bread and chicken manure. The findings will be used to develop more effective flytraps, for example for use in stables. (2001-05-29)

Eavesdropping on the brain
At a given moment, the brain knows instantly how to classify what information it wants, and discard or store the rest. If we could get our sensors to do it just as well and just as fast, then problems might be solved that today defeat even the fastest computers. (2001-05-09)

Scientists find just how discriminating a worm can be: Unique system of overlapping odor sensors discovered
With only 32 of its 302 nerves dedicated to detecting the odors that drift through its world, the lowly roundworm seems hard pressed to smell food, let alone discriminate friend from foe. But researchers have discovered a unique system of overlapping sensors that enables the creature to tell smells apart. (2001-04-04)

Researchers identify fly genes governing taste, smell
HHMI scientists have identified a large family of fruitfly genes involved in taste and smell. The research could lead to improved understanding of the molecular logic underlying odor and taste perception. (2001-03-08)

Genome project opens the book on human evolution
University of Chicago scientists have confirmed and expanded our view of one of the puzzles of human evolution -- so- called (2001-02-11)

Odor test may help doctors more accurately predict Alzheimer's disease
A simple odor identification test might help doctors more accurately predict which individuals with mild cognitive impairment will go on to develop Alzheimer's disease, according to research funded by the National Institute on Aging and the National Institute of Mental Health, two components of the National Institutes of Health in Bethesda, Maryland. (2000-08-27)

Dogs have a nose for it
American researchers are unlocking the secrets of a dog's amazing sense of smell to develop an artificial nose for sniffing out landmines. The machine mimics the way a dog samples air by 'breathing' air in and out, instead of drawing it straight through. (2000-08-22)

Parents' escape drinking evokes children's negative response to alcohol smell
Researchers at the Monell Chemical Senses Center in Philadelphia report in today's Alcoholism: Clinical and Experimental Research that children between the ages of 3 and 6 years are likely to dislike the smell of beer if their parents report drinking to escape feelings of unhappiness. (2000-08-13)

Gene found responsible for social amnesia
Reporting in the July issue of Nature Genetics, scientists at the Center for Behavioral Neuroscience at the Yerkes Regional Primate Research Center at Emory University have discovered in mouse studies that the oxytocin gene is necessary for forming social memories -- allowing you to recognize an individual you've seen before. (2000-06-18)

Blister beetles use sex and subterfuge to infiltrate bee's nests
Researchers from San Francisco State University report the first case of parasitic insects cooperating to mimic female host species. Forming wriggling masses that resemble and perhaps smell like female bees, newborn blister beetle larvae from the Mojave Desert seduce male bees into pseudocopulation as part of a three-step strategy to take over their nests. (2000-05-02)

Creating a standard spectrum of smell
Some people have a heightened sense of smell and can be overwhelmed by aromas. Some people suffer from smell blindness, a condition appropriately called (2000-03-25)

Bitter taste receptors identified
HHMI researchers and their colleagues have identified a new family of genes that encode bitter taste receptors. The research unveils the molecular logic behind the sense of taste, and may allow scientists to probe how tongue and brain work together to discern a chemical's taste. (2000-03-16)

Don't slight the birdbrain
In the February Neuron, Macklis, a neuroscientist at Boston's Children's Hospital, reports with his collaborators Constance Scharff and Fernando Nottebohm of Rockefeller University and others that they have coaxed high-level neurons in adult zebra finches to be replaced by the bird's endogenous precursor cells. (2000-02-23)

Neurons produced during adulthood react to stimuli
Brain cells that are produced in adult mammals respond to sexual stimuli, according to a team of biologists at the University of Massachusetts. The finding may eventually help in finding treatments for disorders such as stroke, Alzheimer's disease, and Parkinson's disease. (1999-10-24)

Scientists find first molecule that guides nerve cells through the brain
When nerve cells migrate from their birthplace to their permanent home in the brain, how do they find their way? Researchers have discovered the first molecular guide, a known protein called Slit. This protein doesn't attract young cells to where they need to go. It repels them, like a dog herding a flock of sheep. (1999-07-22)

Scientists can now see sense of smell
Using a high-resolution video technique on laboratory rats, neurobiologists at Duke University Medical Center have captured the first detailed images of the living brain in the act of recognizing specific odor molecules. The scientists say their achievement will open the way to deciphering the brain's internal (1999-07-22)

How the nose knows
Weizmann Institute scientists have revealed how olfactory receptors work, a finding that helps explain how the human olfactory system distinguishes between millions of different smells. (1999-06-29)

Neurobiologists Show How The Brain Processes Signals From Pheromones
Researchers at The Rockefeller University have shown for the first time in mice how the brain processes signals from pheromones, essential chemicals used by animals to communicate with each other. Reported in the April 16 issue of Cell, the findings provide the first look at the (1999-04-16)

How The Nose Knows
Humans can perceive thousands of distinct odors, even though the nose has only about 1,000 odorant receptors. Linda Buck, a Howard Hughes investigator, postdoctoral fellow Bettina Malnic, and ther colleagues in Japan, have shown how the olfactory system distinguishes so many different odorants with a limited number of receptors. (1999-03-05)

Researchers Discover How Mammals Distinguish Different Odors
HHMI investigators at Harvard Medical School, working with colleagues in Japan, have solved some important mysteries of the mammalian sense of smell by discovering the alphabet that the olfactory system uses to spell various scents. (1999-03-05)

UCSD And NIH Researchers Isolate Candidates For Genetic Basis Of Human Taste
A collaborative effort between Howard Hughes Medical Institute researchers at the University of California, San Diego and scientists at the National Institute of Dental and Craniofacial Research (NIDCR), National Institutes of Health (NIH), have identified the genes likely responsible for the mammalian sense of taste. (1999-02-19)

Alzheimers Disease Could Soon Be Treated With Nose Drops
Alzheimer's disease and other neurodegenerative disorders could soon be treated with nose drops. Researchers in Minnesota say that the nasal passage holds great promise for delivering drugs to the brain, as olfactory nerves provide a direct link between the brain and the outside world. (1998-09-02)

Columbia Biologists Match Odor Receptor To Odor; Research Uncovers How Sense Of Smell Works; First Aroma Scientists Detect Is That Of Meat
Molecular biologists at Columbia University for the first time have linked a particular odor with the proteins in the human nose that detect it. The research, by a team of biologists led by Stuart Firestein, was called (1998-01-08)

Growth Factor Stimulation Leads To Increase In New Neurons In The Striatum And Cortex Of The Brain
The number of new neurons in the striatum and cortex, areas of the brain responsible for movement, vision and higher mental functions, an be increased in adult rats with a growth factor, Emory University and Regeneron Pharmaceuticals, Inc. report Oct. 26 at the Soceity for Neuroscience meeting. (1997-10-27)

Northwestern Neuroscientists Report Findings In Studies on Alzheimer's Disease
Research findings on Alzheimer's disease, stress and depression, alcoholism and addiction will be reported by scientists from Northwestern University at the Neuroscience Society annual conference in Washington, DC from Nov. 16-21. Other presentations by Northwestern researchers will cover: the cerebrocortex, genes and biorhythms, as well as reconstruction of neurocircuitry and motor, cellular and systems neuroscience (1996-11-16)

Neural Research Shows That The Nose Needs Time To Smell
Neural research from the California Institute of Technology shows that animals do some mental (1996-11-13)

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