 
 <prompt> Wetin be di advantage of testing brain function for animals? Based on di previous question, write a context wey contain di answer. E fit be 1 - 20 sentences. Context: <response>: Another way to look at how brain dey work na to check wetin dey happun when specific parts of the brain dey damage. Even though e dey protected by skull and meninges, surrounded by cerebrospinal fluid, and isolated from blood by blood-brain barrier, the brain dey delicate and fit get wahala from plenty diseases and different types of damage. For humans, the effects of strokes and other brain damage don dey important source of information about how brain dey work. But because we no fit control the type of damage wey go happun, e dey hard to interpret the information. For animal studies, we fit use rats mostly, we fit use electrodes or inject chemicals for specific areas to cause damage and then check how e go affect behavior. 