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.
Quick Answer. The bipolar type of schizoaffective disorder is characterized by the symptoms of two combined mental illnesses: schizophrenia, marked by hallucinations, delusions and disordered thinking; and bipolar disorder, marked by mood changes that cycle from depression to mania, explains WebMD.