There are over 2,900 species of snakes ranging as far northward as the Arctic Circle in Scandinavia and southward through Australia. Snakes can be found on every continent except Antarctica, in the sea, and as high as 16,000 feet (4,900 m) in the Himalayan Mountains of Asia.
The negative symptoms of schizophrenia are passive in nature. They affect the personâs thinking, emotion and behavior and can be the most devastating of all the symptoms. Three of the most common are flat affect, alogia, and avolition.
There is a wide variety of signs and symptoms associated with schizoaffective disorder. Symptoms of this disorder vary with the severity of the illness and from person to person. Some of the symptoms of schizoaffective disorder may include: 1  Irritability.  Anger outbursts.