Mental or Behavioral Dysfunction
amnesia
am·ne·sia [ am-nee-zhuh ]
Subclass of:
Neurocognitive Disorders;
Memory Disorders
Etymology:
Greek a = not + mne- = memory + -sia
The closely related word, amnestia, in Greek was used in the sense of our amnesty, meaning a forgiving or forgetting of wrong.
The closely related word, amnestia, in Greek was used in the sense of our amnesty, meaning a forgiving or forgetting of wrong.
Definitions related to amnesia:
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Partial or total inability to recall past experiences; may be organic (amnestic disorder) or emotional (dissociative amnesia) in origin.Sadock's Comprehensive Glossary of Psychiatry and PsychologyBJ Sadock Titles Press, 2012
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Pathologic partial or complete loss of the ability to recall past experiences (AMNESIA, RETROGRADE) or to form new memories (AMNESIA, ANTEROGRADE). This condition may be of organic or psychologic origin. Organic forms of amnesia are usually associated with dysfunction of the DIENCEPHALON or HIPPOCAMPUS. (From Adams et al., Principles of Neurology, 6th ed, pp426-7)NLM Medical Subject HeadingsU.S. National Library of Medicine, 2021
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Systematic and extensive loss of memory caused by organic or psychological factors. The loss may be temporary or permanent, and may involve old or recent memories.NCI ThesaurusU.S. National Cancer Institute, 2021
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Unusual memory loss or forgetfulness.Harvard Dictionary of Health TermsHarvard Medical Publishing, 2011
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(memory loss/impairment) Systematic and extensive loss or impairment of memory caused by organic or psychological factors. This may be temporary or permanent, and may involve old or recent memories.U.S. FDA GlossaryU.S. Food & Drug Administration, 2021
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A disorder characterized by systematic and extensive loss of memory.Common Terminology Criteria for Adverse EventsU.S. National Institutes of Health, 2021
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Amnesia is partial or total inability to recall past experiences or inability to store new memories after the causative event. It may result from traumatic brain injury, degeneration, metabolic disorders, seizures, or psychologic disturbances. Diagnosis is clinical but often includes neuropsychologic testing and brain imaging (eg, CT,...Merck & Co., Inc., 2020
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Amnesia refers to the loss of memories, such as facts, information and experiences. Though forgetting your identity is a common plot device in movies and television, that's not generally the case in real-life amnesia.Mayo Foundation for Medical Education and Research
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Amnesia, loss of memory occurring most often as a result of damage to the brain from trauma, stroke, Alzheimer disease, alcohol and drug toxicity, or infection. Amnesia may be anterograde, in which events following the causative trauma or disease are forgotten, or retrograde, in which events...Encyclopedia Britannica, Inc., 2020
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