Transient global amnesia (TGA) is a poorly understood condition. Your hippocampus plays an important role in forming memories. You can experience it if the area of your brain known as the hippocampus is damaged. For example, you can experience it during a blackout caused by too much alcohol. When you have anterograde amnesia, you can’t form new memories. Older memories, such as memories from childhood, are usually affected more slowly.Ĭonditions such as dementia cause gradual retrograde amnesia. This type of amnesia tends to affect recently formed memories first. When you have retrograde amnesia, you lose existing, previously made memories. The unspecified dissociative disorder category is used in situations when there is not enough information to make a more specific diagnosis, such as in emergency room settings.There are multiple types of amnesia, including the following: Retrograde amnesia What is the diagnosis for Unspecified Dissociative Disorder?Ī diagnosis of “unspecified dissociative disorder” applies to symptoms characteristic of a dissociative disorder that cause significant distress or impairment in social, occupational, or other important areas of functioning but do not meet the full criteria for any specific dissociative disorder. Dissociative trance is when an individual experiences a narrowing or complete loss of awareness of immediate surroundings.These conditions are characterized by a change of consciousness, depersonalization, derealization, perceptual changes (e.g., time slowing, macropsia), micro-amnesias, transient stupor, and/or alterations in sensory-motor functioning (e.g., paralysis or inability to feel pain). Acute dissociative reactions to stressful events typically last less than 1 month, and sometimes only a few days or hours.This may apply to individuals who have been subjected to intense coercive persuasion, including brainwashing, thought reform, indoctrination while captive, torture, long-term political imprisonment, or recruitment by sects/cults or terror organizations. Identity disturbance due to prolonged and intense coercive persuasion.This includes patients who may experience a less severe loss of sense of self or a changed identity with no dissociative amnesia. Chronic and recurrent mixed dissociative symptoms.Examples of situations where the “other” designation could be used include: These types of conditions would be diagnosed as “other specific dissociative disorders.” What is the diagnosis for Other Specified Dissociative Disorder?Ī diagnosis of “other specified dissociative disorder” is given when an individual has symptoms characteristic of a dissociative disorder that cause significant distress or impairment in social, occupational, or other important areas of functioning but do not meet the full criteria for any of specific dissociative disorder. Temporary periods of acute stress can also cause changes in consciousness, depersonalization, detachment from reality, perceptual disturbances, short-term amnesia, and/or changes in sensory-motor functioning (e.g., analgesia, paralysis). Examples of situations that can cause this include brainwashing, thought reform, indoctrination while captive, torture, long-term political imprisonment, and recruitment by sects/cults or terror organizations. Individuals who have been subjected to intense coercive persuasion may have prolonged changes in, or conscious questioning of, their identity. Can brainwashing, indoctrination, or acute stress cause a dissociative disorder? Treatments that may be helpful for amnesia include cognitive therapy, hypnosis, and group psychotherapy. What are the treatments for Dissociative Amnesia? The amnesia also is not better explained by dissociative identity disorder, post-traumatic stress disorder (PTSD), acute stress disorder, somatic symptom disorder, or other neurocognitive conditions. The symptoms cannot be attributable to the physiological effects of a substance (e.g., alcohol, another drug of abuse, or medication) or a neurological or other medical condition. A diagnosis of dissociative amnesia is given when the symptoms cause significant distress or impairment in social, occupational, or other important areas of functioning. The forgetting may be limited to a specific event or events, or resemble more of general amnesia, as when someone forgets their identity and life history. Dissociative amnesia is reported in approximately 2 to 6 percent of the general population. Dissociative amnesia is an inability to recall important biographical information, usually of a traumatic or stressful nature, that is inconsistent with ordinary forgetting.
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