Encyclopedia of Clinical Neuropsychology

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

Perceptual Organization Index

  • Rael T. LangeEmail author
  • Sara M. Lippa
Reference work entry
DOI: https://doi.org/10.1007/978-3-319-57111-9_1065


POI; Perceptual Reasoning Index (WISC-IV); Perceptual Reasoning Scale (WAIS-IV)


A score derived from administration of selected subtests from the third and fourth edition Wechsler Adult Intelligence Scale (WAIS) and Wechsler Intelligence Scale for Children (WISC). The Perceptual Organization Index (POI) provides a measure of nonverbal fluid reasoning, visual-motor integration, and visual-spatial problem-solving.

Current Knowledge

Wechsler Intelligence Scales (WIS)

The WAIS and WISC are two of the most widely used tests to assess general intellectual ability in adults aged 16 years or higher (WAIS) and children aged 6–16 years (WISC). Since the original development of these scales (WAIS 1955; WISC 1949), both tests have been revised on several occasions. The most recent revisions were published in 2014 (WISC-V) and 2008 (WAIS-IV).


Originally, one of the most prominent features of the WIS was the derivation and interpretation of IQ scores. Using this...

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Further Readings

  1. Atkinson, L. (1991). Some table for statistically based interpretation of WAIS-R factor scores. Psychological Assessment, 3(2), 288–291.CrossRefGoogle Scholar
  2. Kaufman, A. S., & Lichtenberger, E. O. (2006). Assessing adolescent and adult intelligence (3rd ed.). Hoboken: Wiley.Google Scholar
  3. Sattler, J. M. (2008). Assessment of children: Cognitive foundations (5th ed.). San Diego: Author.Google Scholar
  4. Tulsky, D. S., Saklofske, D. H., & Zhu, J. (2003). Revising a standard: An evaluation of the origin and development of the WAIS-III. In D. S. Tulsky et al. (Eds.), Clinical interpretation of the WAIS-III and WMS-III (pp. 43–92). San Diego: Academic.CrossRefGoogle Scholar

Copyright information

© Springer International Publishing AG, part of Springer Nature 2018

Authors and Affiliations

  1. 1.Defense and Veterans Brain Injury CenterWalter Reed National Military Medical CenterBethesdaUSA