- Rarely used term for a mental disorder in which certain objects or ideas fail to arouse an emotional response in the individual. [G. a- priv. + kathexis, retention]
* * *ac·a·thex·is (ak″ə-thekґsis) [a-1 + Gr. kathexis a retention] a lack of the emotional charge (cathexis) with which an object or idea would normally be invested; detachment of feelings from thoughts and ideas.
Medical dictionary. 2011.