Frank, SL;
(2013)
Uncertainty reduction as a measure of cognitive load in sentence comprehension.
Top Cogn Sci
, 5
(3)
475 - 494.
10.1111/tops.12025.
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Abstract
The entropy-reduction hypothesis claims that the cognitive processing difficulty on a word in sentence context is determined by the word's effect on the uncertainty about the sentence. Here, this hypothesis is tested more thoroughly than has been done before, using a recurrent neural network for estimating entropy and self-paced reading for obtaining measures of cognitive processing load. Results show a positive relation between reading time on a word and the reduction in entropy due to processing that word, supporting the entropy-reduction hypothesis. Although this effect is independent from the effect of word surprisal, we find no evidence that these two measures correspond to cognitively distinct processes.
| Type: | Article |
|---|---|
| Title: | Uncertainty reduction as a measure of cognitive load in sentence comprehension. |
| Location: | United States |
| Open access status: | An open access version is available from UCL Discovery |
| DOI: | 10.1111/tops.12025 |
| Publisher version: | http://dx.doi.org/10.1111/tops.12025 |
| Language: | English |
| Additional information: | © 2013 Cognitive Science Society, Inc.Full text made available to UCL Discovery by kind permission of Wiley. |
| Keywords: | Cognitive load, Entropy reduction, Recurrent neural network, Self-paced reading, Sentence comprehension, Surprisal, Word information, Comprehension, Humans, Language, Reading, Time Factors, Uncertainty |
| UCL classification: | UCL UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Brain Sciences |
| URI: | https://discovery-pp.ucl.ac.uk/id/eprint/1356806 |
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