<instructions>Your goal is to analyze the following comment and estimate how highly it will be upvoted by the Hacker News community.</instructions><comment><author>MagnumPIG</author><text>This is not really &amp;quot;huge&amp;quot;, sorry.&lt;p&gt;For one thing, it&amp;#x27;s still an intrusive method which requires &lt;i&gt;brain surgery&lt;/i&gt;. I expected something like radioactive isotopes but no, this is easily summed up as &amp;quot;better electrodes&amp;quot;. As good thing for sure, not a game changer.&lt;p&gt;For another, the writer is a tech journalist and therefore more than likely wrong or inaccurate on important facts.</text><parent_chain></parent_chain></comment><story><title>Real-time tracking of serotonin, dopamine opens new window to the brain</title><url>https://newatlas.com/medical/serotonin-dopamine-real-time-tracking-brain/</url></story>
<instructions>Your goal is to analyze the following comment and estimate how highly it will be upvoted by the Hacker News community.</instructions><comment><author>hexxiiiz</author><text>This is huge. So much of what we seem to know about these neuromodulation systems amounts to a number of &amp;quot;has to do with ...&amp;quot;s. Dopamine has to do with reward; serotonin has to do with happiness; etc... Knowing how these modulators actually modulate in response to circumstances may give us a much better sense of what they are actually doing.</text><parent_chain></parent_chain></comment><story><title>Real-time tracking of serotonin, dopamine opens new window to the brain</title><url>https://newatlas.com/medical/serotonin-dopamine-real-time-tracking-brain/</url></story>