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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]
The effects of stress on memory include interference with a person's capacity to encode memory and the ability to retrieve information. [ 1][ 2] Stimuli, like stress, improved memory when it was related to learning the subject. [ 3] During times of stress, the body reacts by secreting stress hormones into the bloodstream.
Antidepressants are common culprits. But sometimes the cause of memory lapses is inside your head because of how your brain is aging. As you get older, your brain gets “noisier.”. It’s like ...
Dissociative disorders ( DDs) are a range of conditions characterized by significant disruptions or fragmentation "in the normal integration of consciousness, memory, identity, emotion, perception, body representation, motor control, and behavior." Dissociative disorders involve involuntary dissociation as an unconscious defense mechanism ...
Transient global amnesia ( TGA) is a neurological disorder whose key defining characteristic is a temporary but almost total disruption of short-term memory with a range of problems accessing older memories. A person in a state of TGA exhibits no other signs of impaired cognitive functioning but recalls only the last few moments of ...
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.
Repressed memory. Repressed memory is a controversial, and largely scientifically discredited, psychiatric phenomenon which involves an inability to recall autobiographical information, usually of a traumatic or stressful nature. [ 1] The concept originated in psychoanalytic theory where repression is understood as a defense mechanism that ...
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]