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

06:21 EDT 23rd September 2014 | 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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Map of brain connections provides insight into olfactory system

The processing of sensory information in the brain involves a complex network of neural connections specific to each type of sensory input. Much is known about the neural wiring associated with most s...

Finding the target: How timing is critical in establishing an olfactory wiring map

The human nose expresses nearly 400 odorant receptors, which allow us to distinguish a large number of scents. In mice the number of odor receptors is closer to 1000. Each olfactory neuron displays on...

Signaling pathway may explain the body clock's link to mental illness

(Wiley) Alterations in a cellular signaling pathway called cAMP-CREB may help explain why the body clocks of people with bipolar disease are out of sync, according to a new European Journal of Neurosc...

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...

Variations in Neuronal Networks Could Explain Traumatic Brain Injury Outcomes

A team of researchers at the Neuroscience Institute at Georgia State University has discovered that hidden differences in the properties of neural circuits can account for whether animals are behavior...

Study suggests nestin+ cholinergic neurons may have closer connection to olfactory bulb neurons

Dr. Yuhong Zhao and co-workers from Sun Yat-sen University in China explored the projection of nestin+ neurons to the olfactory bulb and the time course of nestin+ neurons in the medial septum-diagona...

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.

Ultrasound tracks odor representation in brain

A new ultrasound imaging technique has provided the first ever in vivo visualization of activity in the piriform cortex of rats during odor perception. This deep-seated brain structure plays an import...

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Electrophoretic particle guidance significantly enhances olfactory drug delivery: a feasibility study.

Intranasal olfactory drug delivery provides a non-invasive method that bypasses the Blood-Brain-Barrier and directly delivers medication to the brain and spinal cord. However, a device designed specif...

Olfactory-related cortical atrophy is associated with olfactory dysfunction in Parkinson's disease.

Olfactory dysfunction is often associated with Parkinson's disease (PD) and can precede characteristic motor symptoms by several years. Olfactory-related cortical atrophy has been reported in PD, alth...

Long distance interferon signaling within the brain blocks virus spread.

Serious permanent neurological or psychiatric dysfunction may result from virus infections in the central nervous system (CNS). Olfactory sensory neurons are in direct contact with the external enviro...

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...

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