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Neuropsychology. 2008 Jan;22(1):136-45. doi: 10.1037/0894-4105.22.1.136.

Effects of bilateral eye movements on the retrieval of item, associative, and contextual information.

Author information

1
School of Psychology and Social Change, Manchester Metropolitan University, Manchester, United Kingdom. a.parker@mmu.ac.uk

Abstract

Two experiments are reported that investigate the effects of saccadic bilateral eye movements on the retrieval of item, associative, and contextual information. Experiment 1 compared the effects of bilateral versus vertical versus no eye movements on tests of item recognition, followed by remember-know responses and associative recognition. Supporting previous research, bilateral eye movements enhanced item recognition by increasing the hit rate and decreasing the false alarm rate. Analysis of remember-know responses indicated that eye movement effects were accompanied by increases in remember responses. The test of associative recognition found that bilateral eye movements increased correct responses to intact pairs and decreased false alarms to rearranged pairs. Experiment 2 assessed the effects of eye movements on the recall of intrinsic (color) and extrinsic (spatial location) context. Bilateral eye movements increased correct recall for both types of context. The results are discussed within the framework of dual-process models of memory and the possible neural underpinnings of these effects are considered.

PMID:
18211163
DOI:
10.1037/0894-4105.22.1.136
[Indexed for MEDLINE]

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