Related Experiment Video
Updated: Aug 26, 2025
Eye Movement Monitoring of Memory
Published on: August 15, 2010
Prospective memory performance and its improvement in individuals with high schizotypal traits: Evidence from
Xiao-Jing Qin1, Jia-Li Liu2, Ji-Fang Cui3
1Neuropsychology and Applied Cognitive Neuroscience Laboratory, Key Laboratory of Mental Health, Institute of Psychology, Chinese Academy of Sciences, Beijing, China; Department of Psychology, University of Chinese Academy of Sciences, Beijing, China; Guangxi Medical University, Nanning, China.
Objective:
This study aimed to examine prospective memory (PM) performance and the potential effect of implementation intention on PM performance and the underlying mechanisms in individuals with high schizotypyal traits (HSTs) using eye-tracking paradigms.
Methods:
In Experiment 1, 30 individuals with HSTs and 30 individuals with low schizotypal traits (LSTs) underwent a visual search task that involved PM cues, and participants' eye movements were recorded. In Experiment 2, 50 individuals with HSTs were randomly assigned to the implementation intention group and typical instruction group.
Results:
In Experiment 1, individuals with HSTs had a lower PM accuracy and performed less PM cue monitoring (indicated by fewer total fixation counts on distractor words) than individuals with LSTs. In Experiment 2, implementation intention significantly improved PM accuracy and increased total fixation counts on distractor words in individuals with HSTs compared to the HST group with typical instruction.
Conclusions:
Individuals with HSTs were impaired in PM and showed reduced cue monitoring compared to individuals with LSTs. Implementation intention improved PM performance and facilitated cue monitoring in individuals with HSTs.
Significance:
Our findings indicate that cue monitoring may be an important process of intervention target for PM for individuals in the schizophrenia spectrum.
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