The disorder is characterized by one or more bizarre delusions lasting at least a month. Delusions are not caused by schizophrenia or mood disorders and do not affect psychosocial function apart from the effects of … Read more
Catatonia is a complex neuropsychiatric syndrome characterized by a range of motor abnormalities and behavioral disturbances. The term has been in use since it was first introduced by German psychiatrist Karl Kahlbaum in 1874. Since … Read more
Paranoia is an intense fear or anxious thought or feeling that is often associated with persecution, conspiracy, or threat. It can become a deception when irrational beliefs or thoughts are fixed, because nothing, not even … Read more