Child (15) Has Urges To Bite Hand And Twiddle Fingers

Child (15) has urges to bite hand and twiddle fingers rapidly. Also lacks social communication skills towards other people aside from family. She's not good at listening likes to do things and figure things out for herself. Also likes to jump and squeeze eyes and fists when excited. She likes to play though she is fifteen. She is very interested in trains and elevator buttons. She gets really excited if she sees an elevator and she loves the buttons she doesn't touch but she looks and shakes in excitement she does like to touch the buttons though. She doesn't socialize much at school she prefers to be alone and she is sensitive to sound and touch. She doesn't like liquid soap and she hates loud sounds. She obsesses over trains and buttons and that's usually all she cares to Talk about when she does have a conversation. She can't communicate very well she likes to talk loud and doesn't allow people to get a word in when she does have conversations. Though she cannot comprehend verbal directions and gets irritated when she cannot understand.