Eye Behavior Associated with Internally versus Externally Directed Cognition

What do our eyes do when we are focused on internal representations such as during imagination or planning? Evidence from mind wandering research suggests that spontaneous shifts from externally directed cognition (EDC) to internally directed cognition (IDC) involves oculomotor changes indicative of...

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Main Authors: Mathias Benedek, Robert Stoiser, Sonja Walcher, Christof Körner
Format: Article
Language:English
Published: Frontiers Media S.A. 2017-06-01
Series:Frontiers in Psychology
Subjects:
Online Access:http://journal.frontiersin.org/article/10.3389/fpsyg.2017.01092/full
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author Mathias Benedek
Robert Stoiser
Sonja Walcher
Christof Körner
author_facet Mathias Benedek
Robert Stoiser
Sonja Walcher
Christof Körner
author_sort Mathias Benedek
collection DOAJ
description What do our eyes do when we are focused on internal representations such as during imagination or planning? Evidence from mind wandering research suggests that spontaneous shifts from externally directed cognition (EDC) to internally directed cognition (IDC) involves oculomotor changes indicative of visual disengagement. In the present study, we investigated potential differences in eye behavior between goal-directed forms of IDC and EDC. To this end, we manipulated the focus of attention (internal versus external) in two demanding cognitive tasks (anagram and sentence generation). IDC was associated with fewer and longer fixations and higher variability in pupil diameter and eye vergence compared to EDC, suggesting reduced visual scanning and higher spontaneous eye activity. IDC was further related to longer blinks, lower microsaccade frequency, and a lower angle of eye vergence. These latter changes appear conducive to attenuate visual input and thereby shield ongoing internal processes from external distraction. Together, these findings suggest that IDC is accompanied by characteristic eye behavior that reflects a decoupling of attention from external events and serves gating out visual input.
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spelling doaj.art-497872cebadb4789886fe6f6846adf832022-12-22T03:32:37ZengFrontiers Media S.A.Frontiers in Psychology1664-10782017-06-01810.3389/fpsyg.2017.01092268531Eye Behavior Associated with Internally versus Externally Directed CognitionMathias BenedekRobert StoiserSonja WalcherChristof KörnerWhat do our eyes do when we are focused on internal representations such as during imagination or planning? Evidence from mind wandering research suggests that spontaneous shifts from externally directed cognition (EDC) to internally directed cognition (IDC) involves oculomotor changes indicative of visual disengagement. In the present study, we investigated potential differences in eye behavior between goal-directed forms of IDC and EDC. To this end, we manipulated the focus of attention (internal versus external) in two demanding cognitive tasks (anagram and sentence generation). IDC was associated with fewer and longer fixations and higher variability in pupil diameter and eye vergence compared to EDC, suggesting reduced visual scanning and higher spontaneous eye activity. IDC was further related to longer blinks, lower microsaccade frequency, and a lower angle of eye vergence. These latter changes appear conducive to attenuate visual input and thereby shield ongoing internal processes from external distraction. Together, these findings suggest that IDC is accompanied by characteristic eye behavior that reflects a decoupling of attention from external events and serves gating out visual input.http://journal.frontiersin.org/article/10.3389/fpsyg.2017.01092/fullinternal attentiongoal-directed cognitioneye-tracking
spellingShingle Mathias Benedek
Robert Stoiser
Sonja Walcher
Christof Körner
Eye Behavior Associated with Internally versus Externally Directed Cognition
Frontiers in Psychology
internal attention
goal-directed cognition
eye-tracking
title Eye Behavior Associated with Internally versus Externally Directed Cognition
title_full Eye Behavior Associated with Internally versus Externally Directed Cognition
title_fullStr Eye Behavior Associated with Internally versus Externally Directed Cognition
title_full_unstemmed Eye Behavior Associated with Internally versus Externally Directed Cognition
title_short Eye Behavior Associated with Internally versus Externally Directed Cognition
title_sort eye behavior associated with internally versus externally directed cognition
topic internal attention
goal-directed cognition
eye-tracking
url http://journal.frontiersin.org/article/10.3389/fpsyg.2017.01092/full
work_keys_str_mv AT mathiasbenedek eyebehaviorassociatedwithinternallyversusexternallydirectedcognition
AT robertstoiser eyebehaviorassociatedwithinternallyversusexternallydirectedcognition
AT sonjawalcher eyebehaviorassociatedwithinternallyversusexternallydirectedcognition
AT christofkorner eyebehaviorassociatedwithinternallyversusexternallydirectedcognition