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Researchers in the United States have developed a new method for controlling the brain circuits associated with complex animal behaviours, using genetic engineering to create a magnetised protein that activates specific groups of nerve cells from a distance.
Next, the researchers inserted the Magneto DNA sequence into the genome of a virus, together with the gene encoding green fluorescent protein, and regulatory DNA sequences that cause the construct to be expressed only in specified types of neurons. They then injected the virus into the brains of mice, targeting the entorhinal cortex, and dissected the animals’ brains to identify the cells that emitted green fluorescence. Using microelectrodes, they then showed that applying a magnetic field to the brain slices activated Magneto so that the cells produce nervous impulses.
In one final experiment, the researchers injected Magneto into the striatum of freely behaving mice, a deep brain structure containing dopamine-producing neurons that are involved in reward and motivation, and then placed the animals into an apparatus split into magnetised a non-magnetised sections. Mice expressing Magneto spent far more time in the magnetised areas than mice that did not, because activation of the protein caused the striatal neurons expressing it to release dopamine, so that the mice found being in those areas rewarding. This shows that Magneto can remotely control the firing of neurons deep within the brain, and also control complex behaviours.
Previous attempts [using magnets to control neuronal activity] needed multiple components for the system to work – injecting magnetic particles, injecting a virus that expresses a heat-sensitive channel, [or] head-fixing the animal so that a coil could induce changes in magnetism,he explained
These characteristics of magnetothermal stimulation simplifies a range of experimental assays, which are challenging to perform using current techniques, and permit new types of experiments: The absence of tethers will permit novel social behavioral assays in a group of animals freely interacting in an arena, while only a subgroup of them gets stimulated.
Similarly, magnetically stimulating multiple sites in one brain to study network connectivity requires only multiple injections of solutions
originally posted by: chr0naut
a reply to: sciencelol
Could it, like. attract women?
, just asking for a friend....
originally posted by: TheMirrorSelf
a reply to: Mandroid7
If you really want schizo stuff check out some of the elements used for the superparamagnetic materials.
Co5Fe2
Covfefe
Well that's nothing new. I already use coffee as a stimulant.
originally posted by: jerich0
originally posted by: chr0naut
a reply to: sciencelol
Could it, like. attract women?
, just asking for a friend....
Only if they have iron hearts...
originally posted by: jerich0
originally posted by: TheMirrorSelf
a reply to: Mandroid7
If you really want schizo stuff check out some of the elements used for the superparamagnetic materials.
Co5Fe2
Covfefe
Well that's nothing new. I already use coffee as a stimulant.
v in latin is 5.
fe is the element iron.
the human body is about 4% iron.
definite code detected.
originally posted by: chr0naut
originally posted by: jerich0
originally posted by: chr0naut
a reply to: sciencelol
Could it, like. attract women?
, just asking for a friend....
Only if they have iron hearts...
They have iron blood, so why not?