- Kelly BroxtermanAffiliated withSchool Psychology, The Chicago School of Professional Psychology Email author
- , Natalie WahmhoffAffiliated with Department of Educational Psychology, University of Utah
- , Elaine ClarkAffiliated with Department of Educational Psychology, University of Utah
- , Alyssa BeukemaAffiliated withSchool Psychology, The Chicago School of Professional Psychology
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 ...
Reference Work Entry Metrics
Date: 2017 (Latest)History
- 2017 (Latest)
- Reference Work Title
- Encyclopedia of Clinical Neuropsychology
- pp 1-3
- Print ISBN
- Online ISBN
- Springer International Publishing
- Copyright Holder
- Springer International Publishing AG
- Additional Links
- Industry Sectors
- eBook Packages
- Editor Affiliations
- 2. Kessler Foundation
- 3. Suite 200
- Author Affiliations
- 4. School Psychology, The Chicago School of Professional Psychology, Chicago, IL, USA
- 5. Department of Educational Psychology, University of Utah, 1705 Campus Center Drive, #327, Salt Lake City, UT, 84112-9255, USA
To view the rest of this content please follow the download PDF link above.