Amnesia classification: Difference between revisions
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**[[Post-traumatic Amnesia]]: Amnesia that follows [[head]] [[trauma]] could be temporary or permanent. The span of memory loss is uncertain it could present with retrograde, anterograde or combined. Extent of [[injury]] and duration of [[loss of consciousness]] are important [[prognostic]] factors in determining the severity of amnesia. <ref name="pmid11475324">{{cite journal| author=Leclerc S, Lassonde M, Delaney JS, Lacroix VJ, Johnston KM| title=Recommendations for grading of concussion in athletes. | journal=Sports Med | year= 2001 | volume= 31 | issue= 8 | pages= 629-36 | pmid=11475324 | doi=10.2165/00007256-200131080-00007 | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=11475324 }} </ref> | **[[Post-traumatic Amnesia]]: Amnesia that follows [[head]] [[trauma]] could be temporary or permanent. The span of memory loss is uncertain it could present with retrograde, anterograde or combined. Extent of [[injury]] and duration of [[loss of consciousness]] are important [[prognostic]] factors in determining the severity of amnesia. <ref name="pmid11475324">{{cite journal| author=Leclerc S, Lassonde M, Delaney JS, Lacroix VJ, Johnston KM| title=Recommendations for grading of concussion in athletes. | journal=Sports Med | year= 2001 | volume= 31 | issue= 8 | pages= 629-36 | pmid=11475324 | doi=10.2165/00007256-200131080-00007 | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=11475324 }} </ref> | ||
**[[Infantile]] Amnesia: Also known as childhood amnesia. Early childhood memory is lost, usually up to the age of fours year. Influenced by cultural norms and [[sexual]] [[repression]].<ref name="pmid12653489">{{cite journal| author=Wang Q| title=Infantile amnesia reconsidered: a cross-cultural analysis. | journal=Memory | year= 2003 | volume= 11 | issue= 1 | pages= 65-80 | pmid=12653489 | doi=10.1080/741938173 | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=12653489 }} </ref> | **[[Infantile]] Amnesia: Also known as childhood amnesia. Early childhood memory is lost, usually up to the age of fours year. Influenced by cultural norms and [[sexual]] [[repression]].<ref name="pmid12653489">{{cite journal| author=Wang Q| title=Infantile amnesia reconsidered: a cross-cultural analysis. | journal=Memory | year= 2003 | volume= 11 | issue= 1 | pages= 65-80 | pmid=12653489 | doi=10.1080/741938173 | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=12653489 }} </ref> | ||
**[[Drug]]-Induced Amnesia: [[Benzodiazepine]] are the most common group of [[drugs]] that can cause [[drug]]-induced amnesia.<ref> Sadock, Benjamin J., and Virginia A. Sadock. Kaplan & Sadock's concise textbook of clinical psychiatry. Philadelphia: Wolters Kluwer/Lippincott Williams & Wilkins, 2008. Print</ref> | **[[Drug]]-Induced Amnesia: [[Benzodiazepine]] are the most common group of [[drugs]] that can cause [[drug]]-induced amnesia, especially if used with [[alcohol]]. [[Memory]] loss could be long term or short term.<ref> Sadock, Benjamin J., and Virginia A. Sadock. Kaplan & Sadock's concise textbook of clinical psychiatry. Philadelphia: Wolters Kluwer/Lippincott Williams & Wilkins, 2008. Print</ref> | ||
**Amnesia in [[Korsakoff’s Syndrome]] | **Amnesia in [[Korsakoff’s Syndrome]] | ||
**[[Selective Amnesia]] | **[[Selective Amnesia]] |
Revision as of 18:58, 8 March 2021
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief: Zehra Malik, M.B.B.S[2]
Overview
Amnesia can be divided into two broad groups, retrograde amnesia and anterograde amnesia. Anterograde amnesia is the inability to form new memory and retrograde amnesia is the loss of memory prior to the onset of amnesia.
Classification
- Amnesia can be divided into two broad groups:
- Anterograde amnesia: The inability to form new memory. Past memory is intact.
- Retrograde amnesia: The loss of memory prior to the onset of amnesia. Patient can form new memories.
- Following are types of amnesia, these can features of anterograde, retrograde or both:
- Dissociative Amnesia: Temporary, episodic retrograde memory loss. Cause is psychological in origin. Dissociative Amnesia is also referred to as psychological amnesia. It has variable presentation:
- Repressed amnesia is seen in patients where they are unable to recall a stressful or traumatic incident from the past due to psychological defense mechanism.
- Dissociative fugue has been observed in these patients where the identity and memory is lost. It is reversible and has variable time duration.[1][2]
- Infantile Amnesia: Also known as childhood amnesia. Early childhood memory is lost, usually up to the age of fours year. Influenced by cultural norms and sexual repression.[3]
- Drug-Induced Amnesia: Benzodiazepine are the most common group of drugs that can cause drug-induced amnesia, especially if used with alcohol. Memory loss could be long term or short term.[4]
- Amnesia in Korsakoff’s Syndrome
- Selective Amnesia
- Epileptic Amnesia
- Lacunar amnesia
- Dissociative Amnesia: Temporary, episodic retrograde memory loss. Cause is psychological in origin. Dissociative Amnesia is also referred to as psychological amnesia. It has variable presentation:
References
- ↑ Bourget D, Whitehurst L (2007). "Amnesia and crime". J Am Acad Psychiatry Law. 35 (4): 469–80. PMID 18086739.
- ↑ Khalili M, Wong RJ (2018). "Underserved Does Not Mean Undeserved: Unfurling the HCV Care in the Safety Net". Dig Dis Sci. 63 (12): 3250–3252. doi:10.1007/s10620-018-5316-9. PMC 6436636. PMID 30311153.
- ↑ Wang Q (2003). "Infantile amnesia reconsidered: a cross-cultural analysis". Memory. 11 (1): 65–80. doi:10.1080/741938173. PMID 12653489.
- ↑ Sadock, Benjamin J., and Virginia A. Sadock. Kaplan & Sadock's concise textbook of clinical psychiatry. Philadelphia: Wolters Kluwer/Lippincott Williams & Wilkins, 2008. Print