Title: वैकल्पिक

Text: If you had to make a rat depressed, how do you think you'd go about it? To test your new antidepressant, you need an efficient method of making a lot of rats exhibit anhedonia - that is, making them lose interest in things they used to enjoy, like sugar. It turns out you don't need to traumatize them. The most reliable protocol is "chronic mild stress." ... remove all predictability and control from the animal's life. Then take notes as they gradually lose interest in being alive. प्रत्येक पराग्राफले परीक्षण हुनेछ।

Save test: यदि तपाईं यो टाइपिङ परीक्षणलाई साझा गर्न चाहानुहुन्छ भने यो प्रयोग गर्नुहोस् (केवल प्रमाणीकृत प्रयोगकर्ताहरूको लागि)।