, Skip to content Menu Follow us on Threads Our Bloggers Google News Substack FaceBook Contribute Contact Search When needs compete , love trumps thirst September 28, 2023 Cornell University Zebra finch While many studies have investigated the neuroscience behind how an animal learns to achieve a goal , such as obtaining water when thirsty , none have understood how animals choose between several competing needs â until . now A Cornell University-led study, published Sept . 27 in the journal Nature used advanced techniques developed by researchers to track the brainâ s dopamine reward system and found â for the first time Ââ this system flexibly retunes toward the most important goal when faced with multiple competing . needs In the study , when a lonely and thirsty male zebra