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Dyscalculia
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[[File:Rijtjes sommen beloning.jpg|250px|thumb|right| Dyscalculia ICD-10 [http://apps.who.int/classifications/icd10/browse/2016/en#/F81.2 F81.2] [http://apps.who.int/classifications/icd10/browse/2016/en#/R48.8 R48.8]]] '''Dyscalculia''' is the medical term for experiencing severe difficulty in making mathematical calculations, for instance struggling to add up numbers or making more mistakes in math than in the past.<ref name=":0">{{Cite journal | last = Shanks | first = Lindzi | authorlink = Lindzi Shanks | last2 = Jason | first2 = Leonard A. | authorlink2 = Leonard Jason | last3 = Evans | first3 = Meredyth | authorlink3 = Meredyth Evans | last4 = Brown | first4 = Abigail | authorlink4 = Abigail Brown | authorlink5 = | date = 2013-05-16 | title = Cognitive impairments associated with CFS and POTS| url = https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3655280/|journal=Frontiers in Physiology|volume=4|issue= | pages = |doi=10.3389/fphys.2013.00113|issn=1664-042X|pmc=3655280|pmid=23720636|quote=|via=}}</ref><ref name=":1">{{Cite web | url=https://www.merriam-webster.com/medical/dyscalculia | title = Medical Definition of DYSCALCULIA|website=Merrian-Webster Dictionary|language=en|access-date=2018-11-15}}</ref> Dyscalculia is the result of a physical [[brain]] condition.<ref name=":1" /> Dyscalculia is a [[Cognitive dysfunction|cognitive symptom]] and is more common in people with [[Severe and very severe ME|severe M.E.]]<ref>{{Cite web | url=http://investinme.org/Article-020%20What%20is%20ME%20What%20is%20CFS.shtml | title = UK Charity for Myalgic Encephalomyelitis What is ME?|website=investinme.org|access-date=2018-11-15}}</ref> ==Presentation== == Dyscalculia in ME/CFS and Fibromyalgia == People with chronic fatigue syndrome were found to have difficulty even when adding up single digit numbers, a poor [[Memory problems|working memory]] and [[Difficulty with information processing|information processing]] contributed to the difficulties with numbers.<ref name=":0" /> Dyscalculia in [[ME/CFS]] is more severe than that found in [[depression]], and occurs in people with ME/CFS who do not have depression.<ref name=":0" /> [[ME/CFS]] and [[fibromyalgia]] patients report having trouble with arithmetic. ==Prevalence== *1995, Katrina Berne, PhD, reported a prevalence of 75-80% for '[[aphasia]]' ([[Word-finding problems|inability to find the right word]], saying the wrong word) and/or dyscalculia (difficulty with numbers) - although she notes that this symptom is probably underreported and more prevalent than indicated.<ref>{{Cite book | last = Berne | first = Katrina | author-link = Katrina Berne | date = Dec 1, 1995 | title = Running on Empty: The Complete Guide to Chronic Fatigue Syndrome (CFIDS)|edition= 2nd | url = https://www.amazon.co.uk/Running-Empty-Complete-Chronic-Syndrome/dp/0897931912/ | publisher = Hunter House | page = 59 |isbn= 978-0897931915}}</ref> *2001, In a Belgian study, 71.6% of patients meeting the [[Fukuda criteria]] and 75.1% of patients meeting the [[Holmes criteria]], in a cohort of 2073 [[Chronic fatigue syndrome|CFS]] patients, reported a difficulty with calculations.<ref>{{Cite journal | last = De Becker | first = Pascale | authorlink = Pascale De Becker | last2 = McGregor | first2 = Neil | authorlink2 = Neil McGregor | last3 = De Meirleir | first3 = Kenny | authorlink3 = Kenny De Meirleir | date = December 2001 | title = A definition‐based analysis of symptoms in a large cohort of patients with chronic fatigue syndrome | url =https://onlinelibrary.wiley.com/doi/full/10.1046/j.1365-2796.2001.00890.x?sid=nlm%3Apubmed|journal=Journal of Internal Medicine|volume=250|issue=3 | pages = 234–240|doi=10.1046/j.1365-2796.2001.00890.x|quote=|via=}}</ref> ==Symptom recognition== ==Research studies== *2013, Cognitive impairments associated with CFS and POTS<ref name=":0" /> - [https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3655280/ (Abstract)] ==Possible causes== ==Potential treatments== ==Learn more== * [https://en.wikipedia.org/wiki/Dyscalculia Wikipedia] ==See also== *[[Aphasia]] *[[Cognitive dysfunction]] *[[Dysphasia]] *[[Memory problems]] *[[Word-finding problems]] *[[List of symptoms in ME CFS|List of symptoms in ME/CFS]] ==References== {{reflist}} [[Category:Signs and symptoms]] [[Category:Cognitive signs and symptoms]]
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