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Medical condition
Acalculia
Specialty
Psychiatry, Neurology
Acalculia is an acquired impairment in which people have difficulty performing simple mathematical tasks, such as adding, subtracting, multiplying, and even simply stating which of two numbers is larger. Acalculia is distinguished from dyscalculia in that acalculia is acquired late in life due to neurological injury such as stroke, while dyscalculia is a specific developmental disorder first observed during the acquisition of mathematical knowledge. The name comes from the Greek a- meaning "not" and Latin calculare, which means "to count".
Acalculia is an acquired impairment in which people have difficulty performing simple mathematical tasks, such as adding, subtracting, multiplying, and...
finger agnosia a year and a half later. There is a strong link between acalculia and finger agnosia. Early in development, calculation begins with our...
tetrad: Dysgraphia/agraphia: deficiency in the ability to write Dyscalculia/acalculia: difficulty in learning or comprehending mathematics Finger agnosia: inability...
occur as the result of some types of brain injury, in which case the term acalculia is used instead of dyscalculia, which is of innate, genetic or developmental...
syndrome: effects include finger agnosia, alexia (inability to read), acalculia (inability to use arithmetic operations), agraphia (inability to copy)...
sensory and cerebellar function Gerstmann syndrome – characterized by acalculia, agraphia, finger agnosia, and left-right disorientation Non-dominant...
appearing commonly with agraphia are alexia, aphasia, dysarthria, agnosia, acalculia and apraxia. The study of individuals with agraphia may provide more information...
career had - on average - better numeracy indicators (1 BCE to 3CE). Acalculia Approximate number system Bayesian inference Dyscalculia Graphicacy Health...
and 93% had some higher order dysfunction (cognitive impairments like acalculia, sensory loss, dementia, neglect, etc.). In a separate study of 14 patients...
report of an individual with calculation impairment due to brain damage (acalculia; the term would later be introduced by Salomon Eberhard Henschen in 1925)...
might affect other connected brain regions. Moreover, work with acquired acalculia suggested involvement of the left parietal lobe in the numerical Stroop...
papers. In 1919 he described dyscalculia, and later introduced the term acalculia to define the impairment of mathematical abilities in individuals with...
difficulty with writing (agraphia) and difficulty with mathematics (acalculia). It can also produce disorders of language (aphasia) and the inability...
samples must be representative of the larger population Mental disorder Acalculia – decrease in cognitive capacity for calculation resulting from damage...
intraparietal sulcus), and is compromised in developmental dyscalculia and acalculia. In recent years Henik pointed out the importance of non-countable dimensions...
a difficulty with writing Agraphia and a difficulty with mathematics Acalculia. In addition, it can also produce language deficiencies Aphasia and an...
Takayama, Y.; M. Sugishita; I. Akiguchi; J. Kimura (1994). "Isolated Acalculia due to Left Parietal Lesion". Arch. Neurol. 51 (3): 286–291. doi:10.1001/archneur...
B, Denes G. (1991) "A specific deficit for numbers in a case of dense acalculia" Brain.; 114-2619-37 Cipolotti, L.; Warrington, E. K.; Butterworth, B...
Véronique Masson, René Quiniou and Emmanuel Siou, "Expert Knowledge for Acalculia Assessment and Rehabilitation", Neurospychological Rehabilitation, 1997...
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