The American Psychiatric Publishing Textbook of Clinical Psychiatry, 5th Edition Chapter 8. Delirium, Dementia, and Amnestic and Other Cognitive Disorders Sections: Delirium, Dementia, and Amnestic and Other Cognitive Disorders: Introduction, Delirium, Dementia, Amnestic and Other Cognitive Disorders, Conclusion, Key Points, Suggested Readings, References. Topics Discussed: amnestic disorder; cognitive impairment; delirium; dementia. Excerpt: "Delirium, dementia, and amnestic and other cognitive disorders are classified as cognitive disorders in DSM-IV-TR (American Psychiatric Association 2000). As a group, they represent psychiatric disturbances formerly described as exclusively due to "organic" as opposed to "functional" etiological factors. As research into the etiology and treatment of other psychiatric disorders has progressed, the artificial distinction between organic (an anachronistic term in current clinical practice) and functional psychiatric illness has blurred substantially. Nonetheless, these cognitive disorders generally have clear structural and functional disturbances in brain function as their primary causes. Psychological factors are still very relevant in the patient's experience of symptoms and his or her behavioral and emotional response to illness. Delirium, dementia, and the other cognitive disorders make clear the need for psychiatric evaluation based on the biopsychosocial model of psychiatric illness.In..." DOI: 10.1176/appi.books.9781585623402.292211 The content above is only an excerpt. For full access subscribe now or log into your account below. You can also purchase 24- or 48-hour access; learn more Username: Password:     Athens Login FORGOT your subscriber username and/or password? Get a reminder via email: The email I registered with is:  Not a subscriber? Subscribe Today PsychiatryOnline is a powerful website that features DSM-IV-TR® and The American Journal of Psychiatry as the cornerstones of an unsurpassed collection of psychiatric references, including books, journals, and self-assessment tools. PsychiatryOnline’s innovative platform makes these resources easy and convenient to use, offering Precise and powerful searching across books and journals. Quick pathways to related material. Mobile access from any computer with a Web connection. Ability to download any book section to PDA. Links from bibliographic references to the full text of journal articles. References to material not located in the PsychiatryOnline collection lead you to PubMed. Learn more about PsychiatryOnline Need more help? PsychiatryOnline Customer Service may be reached by emailing PsychiatryOnline@psych.org or by calling 800-368-5777 (in the U.S.) or 703-907-7322 (outside the U.S.).