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.
Longhaired St. Bernard Dog. The St. Bernard is a giant dog, with the largest individuals reaching over 140 kg (310 lb). The average weight of the breed is between 65â120 kg (140â260 lb) or more and the approximate height at the withers is 70 to 90 cm (28 to 35 in). The coat can be either smooth or rough, with the smooth coat close and flat. The rough coat is dense but flat, and more profuse around the neck and legs.