If the "norm" for a particular behaviour is judged from the perspective of a certain culture, then any cultural differences in behaviour that deviate from this will be seen as "abnormal" or "inferior"
In western societies hearing voices or visual hallucinations is abnormal and would be labelled as symptoms of schizophrenia
In other societies hearing voices is seen as a great gift to be welcomed and embraced and seeing visions is applauded, not labelled an abnormal behaviour
This definition demonstrates cultural relativism as it appreciates that an individual should be diagnosed with an appreciation from the culture someone is from