- 🧠🌟🐭 Excited to share some of my postdoc work on the evolution of dexterity! We compared deer mice evolved in forest vs prairie habitats. We found that forest mice have: (1) more corticospinal neurons (CSNs) (2) better hand dexterity (3) more dexterous climbing, which is linked to CSN number🧵
- Evolutionary expansion of the corticospinal system is linked to dexterity in Peromyscus mice biorxiv.org/content/10.1101/202…
- Congratulations 🥳 @kelseytea.bsky.social So happy to see the work in this format 🦾 Is there a bodysize difference between the two mice?
- thank you!! general body size is similar, but there are some morphological differences. most notably longer tails in forest mice. tail length doesn't correlate with climbing in our assay (in F2s), but long tails are common in forest animals, so it likely is important for some kinds of climbing
- Very cool work, congrats!
- thank you!!
- Amazing, congrats Kelsey!
- thanks, Felix!!
