Athymhormia: Difference between revisions
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{{Search infobox}} | {{Search infobox}} | ||
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==Overview== | |||
'''Athymhormia''' is a ''disorder of [[motivation]]'', one of that class of [[neurology|neuro]]-[[psychiatry|psychiatric]] [[condition]]s marked by abnormalities or deficiencies in [[motivation]]. Symptoms include the loss or reduction of desire and interest toward previous motivations, loss of drive and the desire for satisfaction, curiosity, the loss of [[taste]]s and preferences, and [[flat affect]]. In athymhormia, however, these phenomena are not accompanied by the characterizing features of [[depression (mood)|depression]] nor by any notable abnormality in intellectual or [[cognitive]] function. | '''Athymhormia''' is a ''disorder of [[motivation]]'', one of that class of [[neurology|neuro]]-[[psychiatry|psychiatric]] [[condition]]s marked by abnormalities or deficiencies in [[motivation]]. Symptoms include the loss or reduction of desire and interest toward previous motivations, loss of drive and the desire for satisfaction, curiosity, the loss of [[taste]]s and preferences, and [[flat affect]]. In athymhormia, however, these phenomena are not accompanied by the characterizing features of [[depression (mood)|depression]] nor by any notable abnormality in intellectual or [[cognitive]] function. | ||
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The [[etiology]] of this condition has been [[hypothesis]]ed to derive from abnormalities in the [[limbic system|limbic]] [[frontal cortex]], the [[striatum]], [[globus pallidus]], and [[Dorsum (biology)|dorso]]-[[medial]] [[thalamus|thalamic nucleus]]. In the context of the theory of those who propose the existence of a distinct [[neural pathway]] for mood and interest, or the ''"hormothymic" system'', athymhormia may be a disorder of this system. | The [[etiology]] of this condition has been [[hypothesis]]ed to derive from abnormalities in the [[limbic system|limbic]] [[frontal cortex]], the [[striatum]], [[globus pallidus]], and [[Dorsum (biology)|dorso]]-[[medial]] [[thalamus|thalamic nucleus]]. In the context of the theory of those who propose the existence of a distinct [[neural pathway]] for mood and interest, or the ''"hormothymic" system'', athymhormia may be a disorder of this system. | ||
== Further | == Further Reading == | ||
* Patrick Verstichel and Pascale Larrouy. "Drowning Mr. M." ''Scientific American Mind''. April 2005. | * Patrick Verstichel and Pascale Larrouy. "Drowning Mr. M." ''Scientific American Mind''. April 2005. | ||
== External | == External Links == | ||
* [http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=3194605&dopt=Abstract Habib M, Poncet M. Loss of vitality, of interest and of the affect (athymhormia syndrome) in lacunar lesions of the corpus striatum. ''Rev Neurol (Paris).'' 1988;144(10):571-7.] (article in French, abstract in English) | * [http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=3194605&dopt=Abstract Habib M, Poncet M. Loss of vitality, of interest and of the affect (athymhormia syndrome) in lacunar lesions of the corpus striatum. ''Rev Neurol (Paris).'' 1988;144(10):571-7.] (article in French, abstract in English) | ||
*[http://www.co-neurology.com/pt/re/coneuro/fulltext.00019052-200202000-00010.htm Current Journal: ''Current Opinion in Neurology'' - Volume 15(1)] | *[http://www.co-neurology.com/pt/re/coneuro/fulltext.00019052-200202000-00010.htm Current Journal: ''Current Opinion in Neurology'' - Volume 15(1)] | ||
*[http://stroke.ahajournals.org/cgi/content/full/34/4/1046 Text of the ''William Feinberg Lecture'' 2002] | *[http://stroke.ahajournals.org/cgi/content/full/34/4/1046 Text of the ''William Feinberg Lecture'' 2002] | ||
*[http://neuro.psychiatryonline.org/cgi/content/full/16/4/509 "Athymhormia and Disorders of Motivation in Basal Ganglia Disease"] | *[http://neuro.psychiatryonline.org/cgi/content/full/16/4/509 "Athymhormia and Disorders of Motivation in Basal Ganglia Disease"] | ||
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[[Category:Neuropsychology]] | [[Category:Neuropsychology]] | ||
[[Category:Neurobiological brain disorder]] | [[Category:Neurobiological brain disorder]] | ||
[[Category:Ddx]] | [[Category:Ddx]] | ||
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Latest revision as of 13:06, 18 June 2015
Template:Search infobox Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]
Overview
Athymhormia is a disorder of motivation, one of that class of neuro-psychiatric conditions marked by abnormalities or deficiencies in motivation. Symptoms include the loss or reduction of desire and interest toward previous motivations, loss of drive and the desire for satisfaction, curiosity, the loss of tastes and preferences, and flat affect. In athymhormia, however, these phenomena are not accompanied by the characterizing features of depression nor by any notable abnormality in intellectual or cognitive function.
Historical Perspective
The diagnostic category was coined in 1922 by the French psychiatrists Dide and Guiraud, originally in reference to the behavior identified in some schizophrenic patients.
Etiology
The etiology of this condition has been hypothesised to derive from abnormalities in the limbic frontal cortex, the striatum, globus pallidus, and dorso-medial thalamic nucleus. In the context of the theory of those who propose the existence of a distinct neural pathway for mood and interest, or the "hormothymic" system, athymhormia may be a disorder of this system.
Further Reading
- Patrick Verstichel and Pascale Larrouy. "Drowning Mr. M." Scientific American Mind. April 2005.
External Links
- Habib M, Poncet M. Loss of vitality, of interest and of the affect (athymhormia syndrome) in lacunar lesions of the corpus striatum. Rev Neurol (Paris). 1988;144(10):571-7. (article in French, abstract in English)
- Current Journal: Current Opinion in Neurology - Volume 15(1)
- Text of the William Feinberg Lecture 2002
- "Athymhormia and Disorders of Motivation in Basal Ganglia Disease"