Can eye movements bias memory recall?

Wantz, Andrea Laura; Mast, Fred W.; Lobmaier, Janek (7 April 2014). Can eye movements bias memory recall? (Unpublished). In: Annual meeting of the Cognitive Neuroscience Society. Boston, USA. 05.-08.04.2014.

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A large body of research suggests that when we retrieve visual information from memory, we look back to the location where we encoded these objects. It has been proposed that the oculomotor trace we act out during encoding is stored in long-term memory, along other contents of the episodic representation. If memory recall triggers the eyes to revisit the location where the stimulus was encoded, is there also an effect in the reverse direction? Can eye movements trigger memory recall? In Experiment 1 participants encoded two faces at two different locations on the computer screen. Then, the average face (morph) of these two faces appeared in either of the two encoding locations and participants had to indicate whether it resembles more the first or second face. In Experiment 2 the morph appeared in a new location, but participants had to repeat one of the oculomotor traces that was used during encoding. Participants’ morph perception was influenced both by the location and the eye-movement it was presented with. Our results suggest that eye-movements can bias memory recall, but only in a short-lasting and rather fragile way.

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