schizothymia n : resembling schizophrenia but remaining within the bounds of normality
Schizothymia is a temperament related to schizophrenia in a way analogous to cyclothymia's relationship with bipolar disorder. A schizothymic individual displays a flat affect and a high degree of introversion, withdrawing from social relations generally; nevertheless, some individuals with this characteristic may be able to achieve a relatively affable social relations and a measure of affectivity in some situations. As a kind of temperament, schizothymic personality traits are thought to be more or less innate rather than the result of socialization (or a lack thereof).
schizothymia in Polish: Schizotymia