A small carriage propelled by a steam turbine powered engine was apparently invented by Ferdinand Verbiest, a Belgian, in 1672 while in China. It is argued that this constitutes the first 'car' ever invented, but the design was only 65cm long, had no seats or pilot controls, and was intended as little more than a toy.
The adolescent with bipolar disorder is more likely to have depression and mixed episodes, with rapid changes in mood. Symptoms of bipolar disorder in women tend to include more depression and anxiety as well as a rapid-cycling pattern compared to symptoms in men.
A person with bipolar disorder may have distinct manic or depressed states. A person with mixed episodes experiences both extremes simultaneously or in rapid sequence. Severe bipolar episodes of mania or depression may also include psychotic symptoms such as hallucinations or delusions. Usually, these psychotic symptoms mirror a personâs extreme mood.