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.
Some big, fluffy dog breeds are the chow chow, the samoyed, the standard poodle, the old English sheepdog and the keeshond. The abundant, fluffy coats of these dogs require constant care. Keep Learning.
The Goldendoodle is a designer dog, a hybrid dog breed resulting from breeding a Poodle with a Golden Retriever. Like all other designer breeds, the Goldendoodle is not truly a breed of its own, but is a crossbreed â and in this case, a cross that is enjoying growing popularity.he average height for a Small Standard Goldendoodle is 17 to 20 inches; the weight is 40 to 50 pounds. The Large Standard Goldendoodle averages 20 to 24 inches in height and weighs 50 to 90 pounds.