820 Glossary of Technical Terms
somatic A delusion whose main content pertains  to the appearance or functioning
of one’s body.
thought broadcasting A delusion that one’s thoughts are being broadcast out loud
so that they can be perceived by others.
thought insertion A delusion that certain of one’s thoughts are not one´s own, but
rather are inserted into one’s mind.
depersonalization The experience of feeling detached from, and as if one is an outside
observer of, one’s mental processes, body, or  actions (e.g., feeling like one is in a dream;
a sense of unreality of self, perceptual al terations; emotional and/or physical numbing;
temporal distortions; sense of unreality).
depressivity Feelings of being intensely sad, mise rable, and/or hopeless. Some patients
describe an absence of feelings and/or dy sphoria; difficulty recovering from such
moods; pessimism about the fu ture; pervasive shame and/or guilt; feelings of inferior
self-worth; and thoughts of suicide and suicid al behavior. Depressivity is a facet of the
broad personality trait domain D ETACHMENT .
derealization The experience of feeling detached from, and as if one is an outside ob-
server of, one’s surroundings  (e.g., individuals or obje cts are experienced as unreal,
dreamlike, foggy, lifeless, or visually distorted).
detachment Avoidance of socioemotional experience, including both WITHDRAWAL  from
interpersonal interactions (rangi ng from casual, daily interactions to friendships and inti-
mate relationships [i.e., INTIMACY  AVOIDANCE ]) and RESTRICTED  AFFECTIVITY , particularly
limited hedonic capacity. Detachment is one of the five pathological PERSONALITY  TRAIT