Meg Davis
@brainsrus.bsky.social
120 followers 100 following 95 posts
Neuroanatomist who’s seen it all, occasional biochemist, lover of SciArt, cyclist, adventurer, and mostly retired. The rest of the brain isn’t just covering for your favorite part.
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Reposted by Meg Davis
davidbaranger.bsky.social
Our article exploring the neurobiological correlates of prenatal cannabis exposure is now out! "Prenatal cannabis exposure, the brain, and
psychopathology during early adolescence" https://rdcu.be/dMJqH
Reposted by Meg Davis
jeremymberg.bsky.social
My quote of the day

For a successful technology, reality must take precedence over public relations, for Nature cannot be fooled.

Richard Feynman
brainsrus.bsky.social
Parvalbumin in blue, NK1R in green. Note the matrix enrichment of the interneurons expressing these markets in DMS.
brainsrus.bsky.social
If you inject a CaMk promoter controlled or D1-cre dependent virus into PFC, you get anterograde viral transport AND frequently infect D1 expressing cells in striosomes in medial striatum (red). This is a D1-Cre mouse with a cre dependent AAV9 virus. CaMK is less selective.
brainsrus.bsky.social
Perfect. ❤️
brainsrus.bsky.social
Nice work, but what about PrL cortex to DM striosomes vs M1 projections to matrix? Maybe that’s coming… www.science.org/doi/pdf/10.1...
www.science.org
brainsrus.bsky.social
Cannabinoid receptors in basket cell axons surrounding a hippocampal pyramidal cell. The CB1 receptor is presynaptic and expressed at high levels on GABAergic axons. Not necessarily ‘excitatory’ for the PC. It’s the oscillations!
brainsrus.bsky.social
Addition to the oddities of transgenics: When breeding NR2A knockouts back in the day, they would have seizures upon introduction. They recovered quickly and resumed the task, but weren’t great breeders or mothers. (Thinking of those of you forced to cull your mice. They have no idea…)
brainsrus.bsky.social
Useful information for those new to mice. See Jax Labs for more excellent information on all things mouse.
brainsrus.bsky.social
This is actually a mini paper shredder for sale at Target. I had to do a double-take. IYKYK
brainsrus.bsky.social
I’ve attributed the vglut1/2 in the ventral shell to thalamus vs cortex but this could explain why things are weird in medial shell.
Reposted by Meg Davis
notmiddlec.bsky.social
Dr. Francis Collins, a man of science, music, and evangelical Christianity, retired from the NIH yesterday.

This video encapsulates so much of what our country has lost in the first 2 months of 2025.

m.youtube.com/watch?v=kDfN...
Hallelujah - Renee Fleming, Francis Collins & the National Symphony Orchestra
YouTube video by The Kennedy Center
m.youtube.com