Not exact matches
Dr. Vaillancourt's study showed that a greater free water increase in the substantia nigra was associated with a decrease in dopamine
neuron activity in one
of these
nearby regions, supporting the idea that free water changes are related to progression
of the disease.
Next, the artificial
neuron will be connected over a wireless link to a simulation
of a
neuron in a
nearby computer.
His trick was to insert the gene coding for CREB into a version
of the herpesvirus that can infect
neurons without spreading to
nearby cells.
Now that the location and identity
of the wake - promoting
neurons are precisely defined, the supramammillary region joins other parts
of the brain known as being involved in keeping people awake, such as the
nearby lateral hypothalamus, the upper brain stem and basal forebrain.
This chemical conversation triggers an intricate cascade, inviting
nearby neurons to fire and ultimately creating a network
of connections with varying strengths.
The researchers measured electrical activity
of the
neurons within the ensemble and compared it with
nearby neurons that were not activated by the environmental cue.
When getting
nearby the «destination» (muscle) «postmen get out
of the van» (
neuron splits into few branches) and reach each «house» individually (individual muscle cells, fibers).
When stimulated, the channels open and sodium rushes in changing the chemical gradient (middle, below), which in turn causes
nearby channels to open and so on; if the
neuron reaches a certain threshold
of open channels, it fires an electrical impulse.