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Nick Petersen

@nickpetersen.bsky.social
61 followers 96 following 11 posts

Vandy MSTP. Aspiring neuroscientist. Proud dog and cat dad 🐕🐈‍⬛. 🇧🇷🇺🇸🏳️‍🌈 he/him/his

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Reposted by Nick Petersen
Maddy Jalbert @maddyjalbert.bsky.social · 31/01/2025
I am one of these NSF postdocs. NSF has frozen everyone’s access to their salaries and research stipends (that were already awarded) with no information about when they might be expected to be unfrozen. It still appears like we are expected to continue doing our work though.
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Reposted by Nick Petersen
Sam Centanni @samcentanni.bsky.social · 08/01/2025
Hello Bluesky! 👋 Excited to join this community. Interested in what the lab is working on? Instead of spending an hour perfecting/overthinking my first post, here's something even better: our lab's very first preprint! Just uploaded to @biorxiv-neursci.bsky.social www.biorxiv.org/content/10.1...
biorxiv.org
A stress-activated mid-insula to BNST pathway regulates susceptibility to abstinence-induced negative affect in female mice
Stress is central to many neuropsychiatric conditions, including alcohol use disorder (AUD). Stress influences the initiation and continued use of alcohol, the progression to AUD, and relapse. Identif...
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Nick Petersen @nickpetersen.bsky.social · 13/01/2025
I’m pumped to share that our new paper in Biological Psychiatry is out! We dissected a novel astrocyte-neuron interaction in the ventral periaqueductal gray (vPAG) that maintains wakefulness involving norepinephrine and dopamine neurons🧵: www.biologicalpsychiatryjournal.com/article/S000...
biologicalpsychiatryjournal.com
Adenosine A2A Receptors Link Astrocytic α1-Adrenergic Signaling to Wake-Promoting Dopamine Neurons
Sleep and arousal disorders are common, but the underlying physiology of wakefulness is not fully understood. The locus coeruleus promotes arousal via α1-adrenergic receptor (α1AR)–driven recruitment ...
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