One of his dissociative identity personalities for Justin was Pheobe who was 6 years old and did not age with Justin, Phoebe will be known as a child alter.
A dissociative identity disorder can be described as a personality disorder in which a person thinks to have two or more then two identities. The nature of these identities is different and an alter can occur if a person suffers from trauma.
A child alter is a type of dissociative identity disorder in which a personality considers itself to be the age of 6 or under the age of 6. This alter is also referred to as 'little'.
In the case above, Pheobe is a dissociative identity personality of Justin who is 6 years old. Hence, Pheobe will be known as a child alter.
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