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.
Belgian Malinois. The Belgian Malinois is a medium sized dog breed weighing between 50 and 65 pounds. The Belgian Malinois was once considered a part of the Belgian Sheepdog breed, until it was recognized as a separate type in America in 1959.