Search Results for "Explain The Olfactory Pathway To The Brain"

14:11 EST 31st January 2015 | BioPortfolio

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Smell is the sense that is concerned with the odor of things. It is perceived by receptors in the olfactory apparatus in the roof of ones nose. Signals here are transmitted along the Olfactory Nerve...

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The female nose always knows: Do women have more olfactory neurons?

(Publicase Comunicação Científica) Using a new method called isotropic fractionator, a group of researchers has found biological evidence that may explain the superior olfactory abilities that wome...

New Neurons Needed to Maintain Smell Circuits

Scientists have previously described the continuous generation of newborn neurons in restricted regions of the adult mammalian brain, a process referred to as adult neurogenesis. Investigators at the ...

What the Nose Knows

The nose, of course, knows nothing. The information we gather from the basic odor-detection task performed by molecular receptors in the nose needs to be processed in the brain’s olfactory bulb and ...

An olfactory cocktail party: figure-ground segregation of odorants in rodents

Being able to perceive an individual odor in a continually changing and rich olfactory environment is a challenging task. Here, Rokni and colleagues find that this olfactory cocktail party problem can...

Olfactory bulb coding of odors, mixtures and sniffs is a linear sum of odor time profiles

Due to their volatility, olfactory inputs are spatially and temporally dynamic. Here the authors find that, in contrast to previous studies, mitral/tufted cells of the olfactory bulb can sum inputs li...

New brain pathway offers hope for treating hypogylcemia

(University of Michigan Health System) A novel pathway buried deep within a region of the brain produces a brain hormone that acts as a crucial sensor of blood glucose levels. Learning how the hormon...

Medical News Today: Impaired brain signaling pathway 'may be a cause of Alzheimer's'

Mayo Clinic researchers say a brain signaling defect in the Wnt pathway may be a cause of Alzheimer's, and boosting Wnt signaling could prevent the disease.

Inside the teenage brain: New studies explain risky behavior

It's common knowledge that teenage boys seem predisposed to risky behaviors. Now, a series of new studies is shedding light on specific brain mechanisms that help to explain what might be going on ins...

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Roles of olfactory system dysfunction in depression.

The olfactory system is involved in sensory functions, emotional regulation and memory formation. Olfactory bulbectomy in rat has been employed as an animal model of depression for antidepressant disc...

Pregnancy and olfaction: a review.

Many women report a heightened sense of smell during pregnancy. Accounts of these anecdotes have existed for over 100 years, but scientific evidence has been sparse and inconclusive. In this review, I...

Allosteric Modulation of GABAA Receptors by an Anilino Enaminone in an Olfactory Center of the Mouse Brain.

In an ongoing effort to identify novel drugs that can be used as neurotherapeutic compounds, we have focused on anilino enaminones as potential anticonvulsant agents. Enaminones are organic compounds ...

Olfactory neuroblastoma behavior inside and outside the olfactory cleft.

Olfactory neuroblastoma (ONB) is a rare malignant tumor of the nose. The currently available evidence links this disease with cells of the olfactory epithelium. The detailed description of tumor site ...

Greater addition of neurons to the olfactory bulb than to the cerebral cortex of eulipotyphlans but not rodents, afrotherians or primates.

The olfactory bulb is an evolutionarily old structure that antedates the appearance of a six-layered mammalian cerebral cortex. As such, the neuronal scaling rules that apply to scaling the mass of th...

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