Eye-tracking reveals the cost of switching between self and other perspectives in a visual perspective-taking task.
Ferguson, HJ, Apperly, IA and Cane, JE (2017). Eye-tracking reveals the cost of switching between self and other perspectives in a visual perspective-taking task. Quarterly Journal of Experimental Psychology. 70 (8). https://doi.org/10.1080/17470218.2016.1199716
|Authors||Ferguson, HJ, Apperly, IA and Cane, JE|
Previous studies have shown that while people can rapidly and accurately compute their own and other people's visual perspectives, they experience difficulty ignoring the irrelevant perspective when the two perspectives differ. We used the 'avatar' perspective-taking task to examine the mechanisms that underlie these egocentric (i.e. interference from their own perspective) and altercentric (i.e. interference from the other person's perspective) tendencies. Participants were eye-tracked as they verified the number of discs in a visual scene according to either their own or an on-screen avatar's perspective. Crucially in some trials the two perspectives were inconsistent (i.e. each saw a different number of discs), while in others they were consistent. To examine the effect of perspective switching, performance was compared for trials that were preceded with the same versus different perspective cue. We found that altercentric interference can be reduced or eliminated when participants stick with their own perspective across consecutive trials. Our eye- tracking analyses revealed distinct fixation patterns for self and other perspective-taking, suggesting that consistency effects in this paradigm are driven by implicit mentalising of what others can see, and not automatic directional cues from the avatar.
|Journal||Quarterly Journal of Experimental Psychology|
|Journal citation||70 (8)|
|Digital Object Identifier (DOI)||https://doi.org/10.1080/17470218.2016.1199716|
|30 Jun 2016|
|Publication process dates|
|Deposited||11 Apr 2017|
|Accepted||27 May 2016|
|Accepted author manuscript|
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