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.
This jumbo-sized dog breed is a mix of Newfie, longhaired Saint Bernard, and Great Pyrenees. He needs a good deal of exercise, attention, and space, but with the right owner, he can be a friend like no other. With his lion-like looks and deep bark, he makes an intimidating watch dog. See below for complete list of Leonberger characteristics!