PSIKhASTENIYa (az psikho… va yunoni astheneia — zaf, bequvvati), yak navi nevrozro guyand, ki az goyati bejurati, vahmaki, galabai khayoloti tavahhumomez, khavfu badgumoni, nobovari ba khud va gayra iborat ast. Bino ba talimoti I. P. Pavlov ruhsusti natijai sustkorii zerqishru sistemai signalii yakum va bartarii faoliyati qishri maynayu sistemam signali duyum meboshad. Bemoroni ruhashon zaif bisyor notinju sertashvish, khijolatmandu shubhabar, kamhavsalayu khurdagir meshavand.
M u o l i j a: asosan ruhshifoi (psikhoterapiya); mehnatshifoist. Iloji adviyoti (doruhoi orombakhsh) niz ravost.