Physical stimulation and mental stimulation is very important for a dog. Physical stimulation means just providing with their physical needs and to keep them fit and fine. Now the question is what is mental stimulation? Dogs are very intelligent species and need also to be mentally developed and exercised. Mentally Stimulate your dog helps them develop their senses and make them calmer for the future. It is important that your dog is mentally stimulated as it calms them and they will show expected good behavior.