History
Emil Kraepelin in the 1920s noted that mania episodes were rare before puberty. In general BD in children was not recognized in the first half of the 20th century with first reviews of cases being published in the 1960s. True recognition came twenty years after, with epidemiological studies showing that in approximately 20% of adults with BD already had symptoms in childhood or adolescence. Nevertheless onset before age 10 was thought to be rare, below 0.5% of the cases. During the second half of the century misdiagnosis with schizophrenia was not rare in the non-adult population due to common co-occurrence of psychosis and mania, this issue diminishing with an increased following of the DSM criteria in the last part of the 20th century.
Read more about this topic: Bipolar Disorder In Children
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