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Pupil Dilation and Task Adaptation

  • Cyrus K. ForoughiEmail author
  • Joseph T. Coyne
  • Ciara Sibley
  • Tatana Olson
  • Cory Moclaire
  • Noelle Brown
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 10284)

Abstract

Individuals adapt to tasks as they repeatedly practice them resulting in increased overall performance. Historically, time and accuracy are two metrics used to measure these adaptations. Here we show preliminary evidence that changes in pupil dilation may be able to capture within-task learning changes. A group of enlisted Sailors and Marines completed forty-eight trials of a cognitive task while their pupils were recorded with a low-cost eye tracking system. As expected, accuracy increased across trials while reaction times significantly decreased. We found a strong, negative correlation of pupil size across the trials. These data suggest that changes in pupil dilation can be used to measure within-task adaptations.

Keywords

Pupillometry Pupil dilation Task adaptation 

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Copyright information

© Springer International Publishing AG 2017

Authors and Affiliations

  • Cyrus K. Foroughi
    • 1
    Email author
  • Joseph T. Coyne
    • 1
  • Ciara Sibley
    • 1
  • Tatana Olson
    • 2
  • Cory Moclaire
    • 2
  • Noelle Brown
    • 3
  1. 1.U.S. Naval Research LaboratoryWashington, DCUSA
  2. 2.Naval Aerospace Medical InstitutePensacolaUSA
  3. 3.U.S. Naval Research LaboratoryStennis Space CenterUSA

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