PZ Myers had a good take on this a few days ago -
<a href="http:&#x2F;&#x2F;scienceblogs.com&#x2F;pharyngula&#x2F;2016&#x2F;01&#x2F;29&#x2F;how-can-you-protect-a-brain-by-destroying-it&#x2F;" rel="nofollow">http:&#x2F;&#x2F;scienceblogs.com&#x2F;pharyngula&#x2F;2016&#x2F;01&#x2F;29&#x2F;how-can-you-pr...</a><p>&gt; What I didn’t do with my experiments in aldehyde-preserved brains was claim that I was preserving all the information necessary for nervous system function. I was quite aware that I was chemically nuking all the proteins in the tissue; I was washing out most of the chemistry; I was destroying most of the physiological information to preserve a structural skeleton of what was there, so I could see the physical arrangement of the pieces. Nothing more.