Difference between Tics and stimming.

Hi My 10 year old daughter has started showing signs of puberty from last t 15 days she constantly stimming like doing a particular neck movement and doing a humming soung ah ah...ah.. We went to her doctor he said it's a repetitive behaviour as she following instructions talking doing all her regular activities... I asked doctor about tics he said it's not tics, earlier also in past 2 years back same behaviour came and went in two / three months. The doctor increased her resperidone from 1.0 mg to 1.5 mg ( o.5 mg thrice in a day) My question it's 10 days I have increased dosage I cam see she calm happy playful but that behaviour is not settled,yes the sound is now in low volume but the frequency of doing is somedays same sometimes more. So very confused... If it's tics which temporary same medicine is der...