Accession Number:

ADA050029

Title:

Pupillometric Signs of Brain Activation Vary with Level of Cognitive Processing.

Descriptive Note:

Interim technical rept.,

Corporate Author:

CALIFORNIA UNIV LOS ANGELES DEPT OF PSYCHOLOGY

Personal Author(s):

Report Date:

1977-07-19

Pagination or Media Count:

10.0

Abstract:

The idea that hierarchically higher brain processes require greater amounts of CNS vigilance or activation for their execution was tested in two experiments measuring pupillary dilation during the decision interval of a hierarchically-structured letter-matching task. Larger dilations indicative of increased activation were observed for letter pairs requiring higher levels of processing. Author

Subject Categories:

  • Psychology
  • Biomedical Instrumentation and Bioengineering

Distribution Statement:

APPROVED FOR PUBLIC RELEASE