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The Use of Pupillometry in Autobiographical Implicit Association Test
Tokihiro Ogawa1, Natsu Todoriki2, Michiko Tsuneoka1
1National Institute of Police Science, Chiba, Japan.
Frontiers in Psychology
|October 18, 2021
Summary
Pupillometry, measuring pupil size, can enhance the Autobiographical Implicit Association Test (aIAT). This method effectively distinguishes between true and false autobiographical statements, offering a new way to assess memory.
Area of Science:
- Cognitive Psychology
- Neuroscience
- Psychophysiology
Background:
- The Autobiographical Implicit Association Test (aIAT) measures truth recognition for autobiographical propositions using reaction times.
- Existing methods for aIAT may benefit from additional physiological measures.
Purpose of the Study:
- To investigate the utility of pupillometry as an additional measure for the aIAT.
- To determine if pupil diameter changes correlate with the truth value of autobiographical statements during an aIAT.
Main Methods:
- Participants memorized a chosen card and then completed an aIAT assessing their chosen card.
- Pupil diameter was recorded during the aIAT to correlate with response accuracy and statement truthfulness.
Main Results:
- Larger pupil diameter was observed when statements about the chosen card shared response keys with false events compared to true events.
- Pupil measurement demonstrated high efficiency in discriminating the initially chosen card.
Conclusions:
- Pupillometry serves as a viable and effective additional measure for the aIAT.
- Pupil dilation patterns can reflect the processing of truth values in autobiographical memory.
Keywords:
autobiographical implicit association testforensic settingsmemory detectionpupil diameterreaction timeMore Related Videos
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