You were either born with it (due to genetics), or you have suffered some kind of brain injury as a result of trauma or lack of Oxygen. Even people with dementia and Traumatic Brain Injury later in life can resemble someone who's "retarded".
Personally, I prefer the term "mentally disabled".
mentally retarded person causes are epilepsy ,infection ,heredity,
Mentally retarded is not a medical term. A brain hemorrhage may cause brain damage that could affect one or many functions of the brain.
As in mentally retarded, yes, only something with a brain can be mentally retarded. The GROWTH of plants can be retarded, which means they are not growing as fast as they should.
Marriage is a social custom designed to form a family unit. Retarded is a brain damaged in some way that affects the thinking process.
The Brain Damaged Horse is on the episode "Family Gay" when peter buys a mentally retarded horse instead of Lois' Groceries.
If the reason for the retardation is Down's Syndrome, the children have slanted eyes, flat faces, and small ears. Others that became mentally retarded because their brain was deprived of oxygen at birth have no features that show they are different.
second example: the brain of the questioner can be used for exhibition when pickled in formalin as an example of retarded brain sample and it can be used as a paper weight when shrunk.
There is no such thing as a retarded dog, only impatient owners who use the wrong tactics to train their dogs. And with some dogs learning something just takes more time than with others. If you think that your dog is stuupid or retarded just take some extra time to work with her/him.
brain damage is rare people hardly die from brain damage but damage of the nerves well you might become retarded like mohamed ali
Retardation is holding something back. In a way, applying the brakes in a car is retardation.
About 10% of the mentally retarded population is considered moderately retarded.
Approximately 85% of the mentally retarded population is in the mildly retarded category.
To start out, nothing, either animal or human, should be called retarded in ANY case. There are animals, however, born with mutations or that could be injured in accidents, so in that way, yes, there are squirrels that could be brain damaged or be a mutation so they might act differently.