Search results for olfactory bulb:
Olfactory bulb size may change as sense of smell changes
Jun 16, 2008 |
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The olfactory bulb in the brain appears to change in size in a way that corresponds to individual alterations in sense of smell, according to a report in the June issue of Archives of Otolaryngology–Head & Neck Surgery.
How fast can a rat smell?
Biology /
Apr 08, 2008 |
5 / 5 (1) |
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Using an ethologically relevant task—exploratory sniffing—Daniel Wesson and colleagues from Boston University discovered that rats are able to discriminate odors much more quickly than previously thought, ...
Neuroscientists discover long-term potentiation in the olfactory bulb
Medicine & Health / Neuroscience
May 03, 2009 |
4.8 / 5 (6) |
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Ben W. Strowbridge, Ph.D, associate professor of Neuroscience and Physiology/Biophysics, and Yuan Gao, a Ph.D. student in the neurosciences program at Case Western Reserve University School of Medicine, are the first to discover ...
Neural mapping paints a haphazard picture of odor receptors
Feb 03, 2009 |
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Despite the striking aromatic differences between coffee, peppermint, and pine, a new mapping of the nose's neural circuitry suggests a haphazard patchwork where the receptors for such disparate scents are as likely as not ...
The brain is more adept at using the nose than previously realized
Medicine & Health / Psychology & Psychiatry
Apr 28, 2007 |
3.4 / 5 (7) |
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Brains are able to adjust automatically to the demands of distinguishing between small differences in smell, new research at the University of Chicago shows.
Pregnant mice block out unwelcome admirers to protect their pups
Biology /
Jul 20, 2008 |
4.6 / 5 (7) |
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Mouse mothers-to-be have a remarkable way to protect their unborn pups. Because the smell of a strange male's urine can cause miscarriage and reactivate the ovulatory cycle, pregnant mice prevent the action of such olfactory ...
Do birds have a good sense of smell?
Biology /
Jul 16, 2008 |
4 / 5 (6) |
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The sense of smell might indeed be as important to birds as it is to fish or even mammals. This is the main conclusion of a study by Silke Steiger (Max Planck Institute for Ornithology) and her colleagues. ...
Growth hormone found to have new role in development of brain's smell center
Mar 26, 2008 |
5 / 5 (4) |
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A human hormone known to stimulate the growth of cells throughout the body has a new role - helping to set up the proper nerve connections in the odor center of the brain, according to University of California, ...
Mice have biological clock for smell
Biology /
Dec 14, 2006 |
4 / 5 (8) |
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Biologists at Washington University in St. Louis have discovered a large biological clock in the smelling center of mice brains and have revealed that the sense of smell for mice is stronger at night, peaking ...
Impaired sense of smell may be early indicator of Parkinson's disease
Mar 20, 2008 |
4.3 / 5 (4) |
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Impaired sense of smell occurs in the earliest stages of Parkinson’s disease (PD) and there is mounting evidence that it may precede motor symptoms by several years, although no large-scale studies had confirmed this. In ...
Study: Stem cells report olfactory nerves
Apr 30, 2007 |
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U.S. researchers identified a "backup supply" of stem cells that can repair the most severely damaged nerves responsible for human olfactory sense.
Study on olfactory nerve cells shows why we smell better when we sniff
Mar 13, 2007 |
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Unlike most of our sensory systems that detect only one type of stimuli, our sense of smell works double duty, detecting both chemical and mechanical stimuli to improve how we smell, according to University ...
Researchers Show How Brain Decodes Complex Smells
Jun 14, 2006 |
4 / 5 (13) |
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Duke University Medical Center researchers have discovered how the brain creates a scent symphony from signals sent by the nose.
Scientists find how neural activity spurs blood flow in the brain
Jun 26, 2008 |
4.5 / 5 (8) |
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New research from Harvard University neuroscientists has pinpointed exactly how neural activity boosts blood flow to the brain. The finding has important implications for our understanding of common brain imaging techniques ...
Neuronal circuits able to rewire on the fly to sharpen senses
Dec 16, 2007 |
4.2 / 5 (29) |
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Researchers from the Center for the Neural Basis of Cognition (CNBC), a joint project of Carnegie Mellon University and the University of Pittsburgh, have for the first time described a mechanism called “dynamic ...
