Black-necked Stilt (Himantopus mexicanus). Family Recurvirostridae, order Charadriiformes.
Brazoria NWR, Texas, USA. April 2026.
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Black-necked Stilt (Himantopus mexicanus). Family Recurvirostridae, order Charadriiformes.
Brazoria NWR, Texas, USA. April 2026.
Parent and fledgling
Black-necked Stilt
Don Edwards San Francisco Bay National Wildlife Refuge
Fremont, CA
Black-necked Stilt fledgling
Don Edwards San Francisco Bay National Wildlife Refuge
Fremont, CA
Ansia e paura stimolano gli stessi circuiti neurali del cervello
I circuiti cerebrali condivisi da paura e ansia. Le reazioni psicologiche e quelle comportamentali alle minacce – concrete o anche solo ipotetiche – sono controllate da circuiti neurali comuni: lo rivela un nuovo studio sperimentale che smentisce un modello consolidato delle neuroscienze. Paura e ansia condividono gli stessi circuiti cerebrali, contrariamente a quanto ritenuto finora. Lo rivela un nuovo studio sperimentale pubblicato sul “Journal of Neuroscience” da Alexander Shackman, dell’Università del Maryland, e colleghi di una collaborazione internazionale, che apre la strada alla revisione almeno parziale di alcuni modelli neurobiologici. Nel linguaggio comune, paura e ansia vengono spesso confuse. In neuropsicologia, vengono considerate entrambe reazioni a un pericolo, ma mentre nel caso della paura si tratta di una minaccia presente e concreta, nel caso dell’ansia la minaccia è solo ipotetica. Studi condotti in passato hanno portato a concludere che la paura sia controllata dall'amigdala, una struttura situata nel lobo temporale del cervello, coinvolta nell’elaborazione di processi superiori, come le emozioni e la memoria delle emozioni. Quando il soggetto percepisce un pericolo attraverso gli organi di senso, l’amigdala innesca il rilascio degli ormoni associati alla reazione di attacco e fuga, attivando il sistema circolatorio e quello muscolare, nonché l’intestino. Read the full article
Oxytocin Turns Up the Volume of Your Social Environment
Oxytocin Turns Up the Volume of Your Social Environment
Before you shop for the “cuddle” hormone oxytocin to relieve stress and enhance your social life, read this: A new study from the University of California, Davis, suggests that sometimes, blocking the action of oxytocin in the brain may be a better option. The results are published online in the journal Biological Psychiatry.
Sometimes popularly called the “love hormone,” oxytocin is a hormone…
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soft-oh-keys replied to your post “I haven't seen the Bill Nye thing. So, I don't know how they framed...”
i mean, i watched 2 eps of BNSTW and it just,,,didnt feel good to me, I'm sure that affects my opinion, but he brought Karlie in to explain an engineering segment about lochs in Venice (cause, Venice, Italy, fashion, Karlie was the implicit connection) not anything coding related.
More perspectives! Thank you! (Also, like, it’s not even that I just don’t want to watch it but sometimes after a long day of science, the last thing I want is science entertainment, but something less work-y.)
Sitting at the demo booth with the amazingly talented @amybeckergels and admiring this view 👌✨ 💗 #bnst @bestnailshowtx (at Humble Civic Center & Arena Complex)
On our way to Houston for @bestnailshowtx #bnst #orlando #florida #sunrise #TGIF #MCO (at Orange County, Florida)