Related Experiment Video
Updated: Sep 16, 2025
13:00
Measuring Attention and Visual Processing Speed by Model-based Analysis of Temporal-order Judgments
Published on: January 23, 2017
10.0K
Comparison of Post-Consumption Attention Between Two Different Aroma Types of Baijiu Using the Stroop Task
Jie Li1,2,3,4, Cheng Wang2, Pei Sun5,6
1School of Food Science and Engineering, South China University of Technology, Guangzhou 510640, China.
Foods (Basel, Switzerland)
|July 12, 2025
Summary
Different Chinese Baijiu aromas affect attention differently, even with equal alcohol content. Electroencephalogram (EEG) measures reveal objective cognitive changes, aiding product quality assessment.
Area of Science:
- Neuroscience
- Cognitive Psychology
- Sensory Science
Background:
- Consumers seek mental clarity post-consumption, necessitating objective measures of cognitive states.
- Traditional sensory panels offer subjective assessments, lacking objective quantification of attention changes.
- Existing methods struggle to objectively measure cognitive effects of beverages like Chinese Baijiu.
Purpose of the Study:
- To validate an electroencephalogram (EEG)-based index for quantifying post-consumption attention.
- To investigate differential effects of two Chinese Baijiu aroma types on attention.
- To establish objective metrics for beverage-induced cognitive quality.
Main Methods:
- Utilized an established EEG-based behavioral index.
- Administered the color-word Stroop task to 21 adults before and after Baijiu consumption.
- Recorded behavioral performance and neural responses (EEG) to assess attention.
Main Results:
- Baijiu aroma type significantly influenced Stroop task accuracy for incongruent stimuli.
- Different aroma types differentially affected the P200 component (an attention-related EEG signal).
- Light-aroma Baijiu (Sample 2) decreased task accuracy and P200 amplitude; Qingya-flavored Baijiu (Sample 1) had no significant effect.
Conclusions:
- EEG-based metrics offer an objective approach to evaluate post-consumption cognitive quality.
- Baijiu aroma type impacts attention and cognitive processing, independent of alcohol content.
- Findings can inform Baijiu product optimization and consumer-centered quality standards.
