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.
One of the most popular toys for any type of large breed dog is the Kong. A Kong is made of sturdy rubber that is meant to be chewed. Though it makes a perfect chew toy, it is more popular for mentally stimulating dogs as a treat dispenser.