some people think that scientists experimenting with animal in a laboratory is the only way we can guarantee new products will be safe for human life to what extent do you agree or disagree with this opinion?

I would like to emphasize on two procedures conducted either in vivo or in biophysical simulation conditions. In order to,

then

, be able to determine whether there is

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resence of external factors in the electrophysiological recording and neurophysiological measures, and how they affect the properties of the original electrical activity. Methodology The

first

procedure is largely used for

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reatment of certain neurological diseases. It involves the administration of

proconvulsive

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convulsive

chemicals in specific areas of the mice'

brain

to find out whether astroglial networks control and decrease convulsion and paroxysmal events. Electroencephalographic recordings sessions and its properties are a key part in

this

study as they provide a better outlook of abnormal

brain

activity, the total number of seizures and duration of paroxysmal events (Chever et al.,2016).

Although

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these recording might be undertaking with the most accurate devices in the market and the most precise technique, it would be interesting to study whether the external factors are still affecting the electroencephalographic recording properties. mice. The

second

procedure is based on the induction of tiny current pulses into a certain region of the

brain

to determine the plasticity of the neurons.

This

process provides a better understanding of the learning and

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memory activity. In order to deliver

this

electrical stimulation, electrodes and intracellular screws are commonly placed in mice brains, allowing the current to flow from a power supply into the

brain

(Paille et la.,2013). To some extent,

this

process might be

also

affected by the presence of external factors and

therefore

, there might be an alteration in the electrical signal of the

brain

.