Delirium has been for years the Cinderella of English-language psychiatry: taken for granted, ignored, and not considered worthy of study. Whatever the reasons for this neglect might be, several recent developments in psychiatry and psychology fully justify a reexamination of this syndrome and its conceptual framework.
Mental Health Pathophysiology-Chapter 23. STUDY . PLAY. delirium. A state of frenzied excitement that occurs rapidly and is characterized by difficulty maintaining and shifting attention. bipolar disorder. A psychological disorder characterized by episodes of mania, depression, alternating between the two, or a mixture of the two moods simultaneously. phobic disorder. An anxiety disorder ...
Delirium often arises quickly, fades away within days or weeks, and fluctuates in character. Dementia develops more slowly than delirium, is usually permanent, and causes consistent symptoms. Disorientation and short-term memory loss can be some of the early signs of dementia.
Tumors in some parts of the brain can cause hallucinations of smell and taste. Charles Bonnet syndrome. This condition causes people with vision problems like macular degeneration, glaucoma, or cataracts to see things. At first, you may not realize it's a hallucination, but eventually, you figure out that what you're seeing isn't real. Epilepsy.
Delirium is associated with a wide range of factors (box 2), and hypoactive delirium is particularly associated with some of them (such as organ failure, prior cognitive impairment, and dehydration). Ultimately, the chance of an event triggering delirium varies according to a person’s threshold for developing delirium.