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.
These two breeds compliment each other so well and produce intelligent puppies that are simple to train and easy to love. Mal-Shi is a small breed excellent for individuals of all ages. They respond well with responsible children. Below you will find information about both breeds.Maltese. A toy dog covered from head to toe with a mantle of long, silky white hair, the Maltese is gentle-mannered and affectionate, known for being lively, playful and fearless despite its small size.elow you will find information about both breeds. Maltese. A toy dog covered from head to toe with a mantle of long, silky white hair, the Maltese is gentle-mannered and affectionate, known for being lively, playful and fearless despite its small size.