1 Certain parts of the brain shrink, especially the prefrontal cortex (an area at the front of the frontal lobe) and the hippocampus. 2  Both areas are important to learning, memory, planning, and other complex mental activities.
A strong work ethic dog, the Bergamasco is a big fluffy breed with distinguishing characteristics of its coat. The hairs seem to be âdog hairs, âgoat hairs, while wool can also be noticed. These hairs combine to form black or gray mats which grow throughout Read More. Image.
Most Popular Dog Breeds Pugs. The other names of this most popular dog breeds are Chinese pug, Dutch bulldog, Dutch mastiff, Mini mastiff and its country of origin is China. Pugs are very small dogs with a wrinkly, short-muzzled face, and curled tail. It has developed muscles and comes in different colors. 9.