But defining what the condition of madness is, and what its boundaries are, is extremely problematic, and to a large extent depends on who is asking the questions. It also depends upon what notions of normality are being adopted at the time in that particular place and whether or not there are identifiable behaviours and thoughts that are universally describable as strange.Sociologists have quite often been skeptical of psychiatrists’ tendency to look for a physical basis of mental disorders and have drawn on labeling theory to interpret the nature of mental illness.