Scalar expectancy theory and peak-interval timing in humans.


Journal Article

The properties of the internal clock, temporal memory, and decision processes used to time short durations were investigated. The peak-interval procedure was used to evaluate the timing of 8-, 12-, and 21-s intervals, and analyses were conducted on the mean response functions and on individual trials. A distractor task prevented counting, and visual feedback on accuracy and precision was provided after each trial. Mean response distributions were (a) centered at the appropriate real-time criteria, (b) highly symmetrical, and (c) scalar in their variability. Analysis of individual trials indicated more memory variability relative to response threshold variability. Taken together, these results demonstrate that humans show the same qualitative timing properties that other animals do, but with some quantitative differences.

Full Text

Cited Authors

  • Rakitin, BC; Gibbon, J; Penney, TB; Malapani, C; Hinton, SC; Meck, WH

Published Date

  • January 1998

Published In

Volume / Issue

  • 24 / 1

Start / End Page

  • 15 - 33

PubMed ID

  • 9438963

Pubmed Central ID

  • 9438963

Electronic International Standard Serial Number (EISSN)

  • 1939-2184

International Standard Serial Number (ISSN)

  • 0097-7403

Digital Object Identifier (DOI)

  • 10.1037//0097-7403.24.1.15


  • eng