J Korean Neuropsychiatr Assoc.  2012 Sep;51(5):335-341.

The Influence of Bilateral Eye Movement on Recognition Memory Task Performance

• Lee BR
• Kim JW
• Kwon SW
• Kwon HC
• Kim KW
• Kim MY
• Kim JE
• Yu KK
• Lee YH
• Lim SH

Abstract

OBJECTIVES
Recently, Interest has been increase on the cognitive and emotional effects of bilateral eye movement. However, there is little research related to the subject in Korea. In this study, we evaluated the effects of bilateral eye movement to memory.
METHODS
There were a total of 24 subjects between the ages of 18 and 45. All were right-handed. The subjects first studied words, and then performed recognition memory task about the words after bilateral eye movement and eye fixation. The results (recognition accuracy, response bias, mean response to hits) were compared and analyzed. In addition, We evaluated whether the results differ according to the type of word. Repeated measure analysis of variance was performed for statistical analysis.
RESULTS
The main effects on condition [F(1, 23)=9.39, p<0.05] and word type [F(1, 23)=33.727, p<0.05] in recognition accuracy were statistically significant. Also main effect of mean response time to hits was observed [F(1, 23)=66.482, p<0.05].
CONCLUSION
These results suggest that bilateral eye movement enhance recognition accuracy than eye fixation. In this study, bilateral eye movement that affects cognition were investigated.

Keyword

Bilateral eye movement; Recognition memory task; Recall

MeSH Terms

Bias (Epidemiology)
Cognition
Eye
Eye Movements
Korea
Memory
Reaction Time
Task Performance and Analysis

Figure

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  Fig. 1 Recognition accuracy (Pr) for word type and eye movement condition. * : p<0.05.

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  Fig. 2 Mean response time to hits for word type and eye movement condition. * : p<0.05.

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