What happens if a child is isolated from humans for 13 years?

In 1970, the mother, accompanied by her daughter, went to the Los Angeles Care Building to look for shelter because of domestic violence
The employee noted that the child had something suspicious and immediately informed the authorities
After investigation, the girl, 13, Chen was found
Her 13-year-old daughter was in a connecting room all day and slept in bed all night
She was not allowed to speak at all when her father was suffering from a mental disorder that made him unable to tolerate any loud voice
Hit her with a baseball stick if she makes any sound
So the girl did not talk because she was having serious problems communicating with society and the environment
She was urinating involuntarily because of her fear of everything

In addition to many psychological problems
She had been admitted to the clinic and had undergone many studies, but unfortunately her condition had not improved much
Where after several years of trying treatment
You can not create valid sentences
Research and studies were stopped and given to her mother, which was almost blind. Eventually, she entered a nursing home and still lives there until the age of 61.

Source
https://www.facebook.com/malamtrh/