Even with significant clinical experience,  reliably identifying Williams syndrome based on facial features alone is difficult.This is particularly the case in individuals of non-white backgrounds, where typical WS facial features (such as full lips) are more prevalent. Treatment
No cure for Williams syndrome has been found. Suggested treatments include avoidance of extra calcium and vitamin D, and treating high levels of blood calcium. Blood-vessel narrowing can be a significant health problem and is treated on an individual basis. Physical therapy is helpful to patients with joint stiffness and low muscle tone. Developmental and speech therapy can also help children and increase the success of their social interactions. Other treatments are based on a patients particular symptoms.The American Academy of Pediatrics recommends annual cardiology evaluations for individuals with WS. Other recommended assessments include ophthalmologic evaluations, an examination for inguinal hernia, objective hearing assessment, blood-pressure measurement, developmental and growth evaluation, orthopedic assessments on joints and muscle tone, and ongoing feeding and dietary assessments to manage constipation and urinary problems.Behavioral treatments have been shown to be effective. In regards to social skills, it may be effective to channel their nature by teaching basic skills. Some of these are the appropriate way to approach someone, how and when to socialize in settings such as school or the workplace, and warning of the signs and dangers of exploitation. For the fear that they demonstrate cognitive-behavioral approaches, such as therapy, they are the recommended treatments.
Thus, people with WS are often able to visually identify and recognize whole objects, and refer to them by name, but struggle with visuospatial construction (seeing an object as being composed of many smaller parts, and recreating it) and orienting themselves in space.People with WS are often affable and hyperverbal, demonstrating the decreased inhibition ability that stems from dorsal-frontal deficits. Some studies suggest that the amygdala of a person with Williams syndrome has greater volume than the average persons (though it is smaller than average in childhood). In general, neuroimaging studies demonstrate that people with WS have diminished amygdala reactivity in response to socially frightening stimuli (such as disapproving faces), but demonstrate hyperreactivity in the amygdala when presented with nonsocial fear stimuli (such as frightening animals). This may partially account for the apparent absence of social inhibition observed in people with the syndrome, as well as the prevalence of anxious symptoms (but see fear for details on the relationship between the amygdala and fear response). Also, some evidence indicates that people with WS exhibit  amygdalal hyperactivity when viewing happy facial expressions. They are talkative and eager to please, indicating a cocktail party personality.Increased volume and activation of the left auditory cortex has been observed in people with WS, which has been interpreted as a neural correlation of patients rhythm propensity and fondness of music. Similar sizes of the auditory cortex have been previously reported only in professional musicians.