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Dissociative amnesia or psychogenic amnesia is a dissociative disorder "characterized by retrospectively reported memory gaps. These gaps involve an inability to recall personal information, usually of a traumatic or stressful nature." [ 1] In a change from the DSM-IV to the DSM-5, dissociative fugue is now subsumed under dissociative amnesia. [ 2]
Memory loss in patients with temporally graded RA strongly follows Ribot's law, meaning that one will experience more memory loss for events closer to the injury or disease onset. [4] This type of RA is commonly triggered in individuals with Korsakoff syndrome due to a combination of long-term alcohol use and Wernicke encephalopathy . [ 7 ]
False memory syndrome. In psychology, false memory syndrome ( FMS) was a proposed "pattern of beliefs and behaviors" [ 1] in which a person's identity and relationships are affected by false memories of psychological trauma, recollections which are strongly believed by the individual, but contested by the accused. [ 2]
The character Dory, from the movie Finding Nemo, shows severe short-term memory loss. The celebrity and actor Michael J. Fox has been diagnosed with Parkinson's disease. In the movie Memento, the main character, Leonard Shelby, has a short-term memory condition (anterograde amnesia) in which he can't form new memories.
A person experiencing a TEA episode has very little short-term memory, so that there is profound difficulty remembering events in the past few minutes (anterograde amnesia), or of events in the hours before the onset of the attack, and even memories of important events in recent years may not be accessible during the amnestic event (retrograde amnesia). [6]
Specialty. Psychiatry, neurology. Amnesia. Amnesia is a deficit in memory caused by brain damage or brain diseases, [ 1] but it can also be temporarily caused by the use of various sedative and hypnotic drugs. The memory can be either wholly or partially lost due to the extent of damage that is caused. [ 2]
Dyschronometria, also called dyschronia, is a condition of cerebellar dysfunction in which an individual cannot accurately estimate the amount of time that has passed (i.e., distorted time perception ). It is associated with cerebellar ataxia, [ 1][ 2] when the cerebellum has been damaged and does not function to its fullest ability.
sudden, unexpected travel away from home or one's customary place of work, with inability to recall one's past. confusion about personal identity, or the assumption of a new identity. significant distress or impairment. The Merck Manual [ 17] defines "dissociative fugue" as: One or more episodes of amnesia in which the inability to recall some ...