One of the disorders in the differential diagnosis of stereotypy is a tic. These two conditions can often be differentiated if the patient is carefully examined.
Parameter
Stereotypy
Tic
behavior
rhythmic
nonrhythmic
premonitory urge
absent
present
feeling of relief afterward
absent
present
site
fairly constant for patient, fixed pattern
may change
wax and wane
absent
present
To read more or access our algorithms and calculators, please log in or register.