(Cugnotâs second model weighed 8,000 pounds and had a tendency to tip forward when it wasnât hauling heavy artillery behind it.) As a result, some observers argue that the first true automobile was gasoline-powered. They point to not one but two inventors: Karl Friedrich Benz and Gottlieb Daimler.
Pediatric bipolar disorder is commonly characterized by outbursts of anger, irritability and psychosis, rather than euphoric mania, which is more likely to be seen in adults. Early onset bipolar disorder is more likely to manifest as depression rather than mania or hypomania.
10 Warning Signs of Bipolar Disorder: Depression and Mania Symptoms. Bipolar disorder is a mood disorder that is also known as manic-depressive disorder. This illness is a mood disorder which carries a psychiatric diagnosis. A person who is bipolar may experience deep depression with breaks of mania as a complete mood shift.