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.
Symptoms of psychosis. Someone who develops psychosis will have their own unique set of symptoms and experiences, according to their particular circumstances. However, four main symptoms are associated with a psychotic episode. They are: 1  hallucinations. 2  delusions. 3  confused and disturbed thoughts.4  lack of insight and self-awareness.onfused and disturbed thoughts. People with psychosis often have disturbed, confused and disrupted patterns of thought. Signs of this include: 1  rapid and constant speech. 2  random speech â for example, they may switch from one topic to another mid-sentence.