Absence of the normal sensation of physical existence, or of the consciousness of visceral functioning. ... Origin: G. A-priv. + koinos, common, + aisthesis, feeling ... (05 Mar 2000) ... 
acenesthesia 1. Absence of the normal sense of physical existence and well-being and of the regular functioning of the bodily organs.2. Absence of any feeling of physical existence; a common symptom in many psychiatric conditions.
loss of the physical awareness of one's body.