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User:Sandisk9045/Evaluate an Article

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Which article are you evaluating?

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Vagus nerve stimulation

Why you have chosen this article to evaluate?

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I chose this article to evaluate because the lab I am in does work on vagus nerve stimulation, and I am writing about it as a topic for a hopeful review paper. With that in mind, I figured I had enough general expertise to notice if anything seems plainly incorrect or insufficient explanation-wise.


Evaluate the article

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I think the lead section is relatively insufficient to describe vagus nerve stimulation as a treatment. While indeed the most commonly applied form of it is through direct/invasive stimulation by an implanted electrode system, it is ALSO delivered non-invasively through the skin. There is enough research available to discuss its basics and the article even mentions later that VNS can be performed non-invasively in the context of stroke/cluster headaches so it seems odd that it is not mentioned at the beginning.

The content of the article is generally good; everything is correct/in line with current research and not plainly out-of-date. That being said, acetylcholine should be mentioned as one of the 'neurotransmitter systems' affected by VNS, but it is not. Additionally, so me of the sections on 'mechanisms of action' are so short (literally a single sentence) that I'd wonder why they even bothered to mention it if they're not going to explain, for example, what the role is of the vagus nerve in the gut-brain axis.

The writing quality is generally good enough. There is not much to write in this field as far as what is accepted fact--especially with mechanisms--so the writing is appropriately curt and vague. However, it is sometimes definitively not good. For example, in "Impacting the gut-brain axis" section it states "VNS may influence the vagus nerve" rather than "does"--well duh. Since when was that up for debate?

Image-wise the article is sufficient; however, going back to my first point, it would be good to have another image of non-invasive vagal stimulation. There are commercial devices approved and available for this, so it would not be difficult to find.

Overall, I think the article is serviceable but somewhat underdeveloped. There are certain points where quite a bit more information could be shared while remaining close to what is in fact known without straying to far into topics that are actively being debated/studied.