Part 1 of Essay
Waking from a frightening dream, hearing noises; how far does it go when your scared and alone. With all the hidden terrors in all world hallucination is far most the worst. One day realizing that your conscience has gotten louder has got to be the most frightening sounds you could ever experience. Hallucination is defined ....

Part 2 of Essay
.... sailors may visualize boats coming to their rescue well before this actually happens. The fanciful elaboration of perception of external stimuli-for example, faces seen in the fire-is illusion. A patient who suffers from delirium tremens as a result of alcoholism may see such frightening things as red spiders or pink elephants, or they may feel that lice are crawling over their skin, because hallucination although usually visual may be experienced through any of the senses. The imagery of a vision is experienced ....