Schizotypal Personality Disorder

Schizotypal Personality Disorder is often times seen as a much more mild or a latent form of Schizophrenia. Some of the major symptoms include:

1) Inappropriate reactions to surroundings meaning person usually looks cold or out of place.
2) Odd actions
3) Poor rapport with other usually leading to social withdraw
4) Odd beliefs or magical thinking
5) Paranoid ideas
6) Occasional hallucinations usually auditory

Sometimes this disorder has "evolved" into schizophrenia. There are said to be two types of Schizotypal Disorder Timorous and Insipid.

http://www.mayoclinic.com/health/schizotypal-personality-disorder/DS00830