A feeling of detachment from own body and a sense of unreality is called as:
**Core Concept**
Depersonalization is a psychological phenomenon characterized by a feeling of detachment from one's own body or self, often accompanied by a sense of unreality. This condition can be a symptom of various psychiatric disorders, including anxiety disorders, post-traumatic stress disorder (PTSD), and dissociative disorders.
**Why the Correct Answer is Right**
The correct answer is a feeling of detachment from one's own body and a sense of unreality, which is a hallmark symptom of depersonalization. This phenomenon can be attributed to the disruption of normal functioning of the brain's default mode network, which is responsible for self-referential processing and self-awareness. The default mode network includes regions such as the medial prefrontal cortex, posterior cingulate cortex, and temporoparietal junction, which are involved in self-referential processing and self-awareness.
**Why Each Wrong Option is Incorrect**
* **Option A:** This is not a valid option.
* **Option B:** This option is not relevant to the concept of depersonalization.
* **Option C:** This option is incorrect because derealization is a related but distinct phenomenon characterized by a feeling of unreality in the external world, rather than a detachment from one's own body.
**Clinical Pearl / High-Yield Fact**
Depersonalization can be a symptom of various psychiatric disorders, and it is essential to distinguish it from other dissociative symptoms, such as derealization and dissociative amnesia.
**Correct Answer: D. Depersonalization**