News tagged with olfactory bulb

Related topics: brain , neurons




Temporal processing in the olfactory system

The neural machinery underlying our olfactory sense continues to be an enigma for neuroscience. A recent review in Neuron seeks to expand traditional ideas about how neurons in the olfactory bulb might encode information about ...

Neuroscience created 19 hours ago | popularity not rated yet | comments 0 | with audio podcast report

New research examines connection between inflammatory stimulus and Parkinson's disease

Parkinson's disease (PD) is a progressive degenerative disease affecting a person's ability to coordinate and control their muscle movement. What starts out as a tremor in a finger will eventually lead to difficulty in writing ...

Parkinson's & Movement disorders created Apr 23, 2013 | popularity 5 / 5 (1) | comments 0

Helping the nose know: Researcher answers 100-year-old question about how olfactory feedback mechanism works

More than a century after it was first identified, Harvard scientists are shedding new light on a little-understood neural feedback mechanism that may play a key role in how the olfactory system works in the brain.

Neuroscience created Dec 19, 2012 | popularity 5 / 5 (1) | comments 3 | with audio podcast

Mice have distinct subsystem to handle smell associated with fear

A new study finds that mice have a distinct neural subsystem that links the nose to the brain and is associated with instinctually important smells such as those emitted by predators. That insight, published ...

Neuroscience created Jul 23, 2012 | popularity not rated yet | comments 0 | with audio podcast

Simple mathematical pattern describes shape of neuron 'jungle'

Neurons come in an astounding assortment of shapes and sizes, forming a thick inter-connected jungle of cells. Now, UCL neuroscientists have found that there is a simple pattern that describes the tree-like shape of all neurons.

Neuroscience created Jun 20, 2012 | popularity 4.6 / 5 (7) | comments 2 | with audio podcast

No new neurons in the human olfactory bulb

(Medical Xpress) -- Research from Karolinska Institutet shows that the human olfactory bulb - a structure in the brain that processes sensory input from the nose - differs from that of other mammals in that no new neurons ...

Neuroscience created May 24, 2012 | popularity 4.5 / 5 (4) | comments 1 | with audio podcast

Weight struggles? Blame new neurons in your hypothalamus

New nerve cells formed in a select part of the brain could hold considerable sway over how much you eat and consequently weigh, new animal research by Johns Hopkins scientists suggests in a study published in the May issue ...

Neuroscience created May 21, 2012 | popularity 5 / 5 (1) | comments 6 | with audio podcast

New model show how the brain is organized to process odor information

Just like a road atlas faithfully maps real-word locations, our brain maps many aspects of our physical world: Sensory inputs from our fingers are mapped next to each other in the somatosensory cortex; the ...

Neuroscience created Mar 19, 2012 | popularity 4.7 / 5 (3) | comments 5 | with audio podcast

Bone marrow-derived cells differentiate in the brain through mechanisms of plasticity

Bone marrow-derived stem cells (BMDCs) have been recognized as a source for transplantation because they can contribute to different cell populations in a variety of organs under both normal and pathological conditions. Many ...

Medical research created Dec 19, 2011 | popularity not rated yet | comments 0 | with audio podcast

Neuronal filters for broadband information transmission in the brain

(Medical Xpress) -- As in broadband information technology, the nervous system transmits different messages simultaneously from one brain region to others. But how are messages retrieved at the other end without ...

Neuroscience created Nov 21, 2011 | popularity 5 / 5 (4) | comments 0 | with audio podcast

Sensory experience and rest control survival of newborn neurons in adults

When it comes to the circuits that make up the olfactory system, it seems that less is more. Much like the addition and elimination of extra synapses that helps fine-tune brain circuitry, the olfactory system continues to ...

Neuroscience created Sep 07, 2011 | popularity 5 / 5 (1) | comments 0 | with audio podcast

Major discovery explains how adult brain cleans out dead brain cells, produces new ones

(Medical Xpress) -- Adult brains generate thousands of new brain cells called neurons each day; however only a small fraction of them survive. The rest die and are consumed by scavenger cells called phagocytes. Until now, ...

Neuroscience created Aug 10, 2011 | popularity 4.9 / 5 (20) | comments 8 | with audio podcast

Genetic 'conductor' involved with new brain cell production in adults

A team of North Carolina State University researchers has discovered more about how a gene connected to the production of new brain cells in adults does its job. Their findings could pave the way to new therapies for brain ...

Neuroscience created Jun 29, 2011 | popularity 5 / 5 (1) | comments 1 | with audio podcast