👉 Opisthotonus is a medical condition that occurs when the left and right hemispheres of the brain are not working together properly. This can lead to difficulties with speech, language, memory, and other cognitive functions. It's called "opisthotonus" because it resembles the shape of an opisthosaurus (a dinosaur), which is a type of reptile that once lived on Earth. The symptoms of opisthotonus include difficulty speaking, hearing, understanding words, remembering things