“…By contrast, visual hallucinations, seldom regarded as characteristic of, or frequent in, schizophrenia, are more common among African schizophrenics. Social withdrawal and emotional flattening, both accepted as important symptomatic facets of schizophrenia in the European tradition, appear to be less frequent in some cultures-for example, among the Bahians in Brazil (Stainbrook, 1952), or quite frequent in others (India, Mauritius, Japan) but of less ominous prognostic significance. The frequent occurrence of confusion, visual hallucinations, emotional lability, and disturbances of motility in acute schizophrenic states in cultures as wide apart as Nigeria and Indonesia makes the differential diagnosis from organic disorders a particularly difficult task.…”