Puppy Development Fear Periods. The fear can be of. The human socialization period begins at seven weeks and ends at 12 weeks.
The most critical period for puppy development is the age six to eight weeks (everything that happens prior to this is to do with setting the foundations of the animal & why it is essential that you have chosen a good breeder). A second fear period can happen during the fifth of sixth month of development, but can happen a bit later, during puppy’s adolescent period (any time between 6 to 12 months of age). The puppy now has the brain waves of an adult dog, but the attention span is short.
Concurrently, the fear impact period begins at eight weeks and ends at 11 weeks.
They already have a fur coat but they cannot yet control their own body temperature. Fear periods are a normal part of puppy development, but they also can be overwhelming for dogs. Most dog owners will never witness this very first fear period considering that most puppies go to their new homes at 8 weeks, so it's worth noting that when referring to the first fear period, it's the one taking place at 8 to 10 weeks as described below. Veterinary behaviorists, this first fear period takes place between the ages of 8 to 10 weeks.
