In addition, the syndrome causes limited movement in the shoulders as well as disturbances in balance. Besides this serious acne can occur during childhood which increases the psychic burden, first and foremost, during the sensetive adolescent years. That means about at least one child every other year. The syndrome is often caused by a temporary change in a hereditary factor and later becomes dominautly hereditary.
Mental ability varies from normal to low.
Most are however normally talented but are subjected to such great strains that some skills cannot develop at a normal pace. Many long and painful modes of tretment. Added to this, naturally is continnius contact with the lokal child rehabilization centers and clinics. These operations are carried out at the larger hospitals in Sweden. The children often develop inflammation of the ears and as a rule, are obliged to have a plastic tube operated into the ear during adolescence.