Ontology highlight
ABSTRACT:
SUBMITTER: Zenon A
PROVIDER: S-EPMC4142600 | biostudies-literature | 2014
REPOSITORIES: biostudies-literature
Frontiers in behavioral neuroscience 20140825
It has long been established that the pupil diameter increases during mental activities in proportion to the difficulty of the task at hand. However, it is still unclear whether this relationship between the pupil size and effort applies also to physical effort. In order to address this issue, we asked healthy volunteers to perform a power grip task, at varied intensity, while evaluating their effort both implicitly and explicitly, and while concurrently monitoring their pupil size. Each trial s ...[more]