Encyclopedia of Clinical Neuropsychology

2018 Edition
| Editors: Jeffrey S. Kreutzer, John DeLuca, Bruce Caplan


  • Kelly BroxtermanEmail author
  • Natalie Wahmhoff
  • Elaine Clark
  • Alyssa Beukema
Reference work entry
DOI: https://doi.org/10.1007/978-3-319-57111-9_1433


Mathematics disability


Acalculia is an acquired impairment in which people have difficulty performing mathematical tasks, such as adding, subtracting, multiplying, and dividing. Acalculia deficits can manifest in a wide variety of number processing and calculation abilities.


Generally, authors have agreed on two major distinctions: primary and secondary acalculia (Growth-Marnat 2000). These terms were first described by Berger in 1926 (Boller and Grafman 1983). Primary acalculia refers to a basic defect in computational abilities, not resulting from separate cognitive deficits. It is also known as anarithmetia. Deficits in primary acalculia include poor estimation, number comparison difficulties, and difficulty understanding procedural rules and numerical signs. In primary acalculia, these deficits will exist regardless of whether tasks are presented in an oral or written format (Ardila and Rosselli 2002).

Secondary acalculia refers to calculation...

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References and Readings

  1. Ardila, A., Matute, E., & Inozemtseva, O. (2003). Progressive agraphia, acalculia, and anomia: A single-case report. Applied Neuropsychology, 10, 205–214.PubMedCrossRefGoogle Scholar
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  7. Grafman, J., & Rickart, T. (2000). Acalculia. In M. J. Farah & T. E. Fienberg (Eds.), Patient based approaches to cognitive neurosciences: Issues in clinical and cognitive neuropsychology. Cambridge, MA: MIT.Google Scholar
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Copyright information

© Springer International Publishing AG, part of Springer Nature 2018

Authors and Affiliations

  • Kelly Broxterman
    • 1
    Email author
  • Natalie Wahmhoff
    • 2
  • Elaine Clark
    • 2
  • Alyssa Beukema
    • 1
  1. 1.School PsychologyThe Chicago School of Professional PsychologyChicagoUSA
  2. 2.Department of Educational PsychologyThe University of UtahSalt Lake CityUSA