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.
The Belgian Laekenois is a medium sized dog that weighs between 50 and 65 pounds. The rarest of the four Belgian Shepherd dogs, the Belgian Laekenois is a sturdy, well-proportioned medium-sized dog with a rough wire coat that easily distinguishes it. This breed was actually used as army dogs in the World Wars.