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Updated: Jun 21, 2026
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Brain asymmetry measurement using EMISU (embedded interactive stimulation unit) in applied brain biophysics
Murat Ozgoren1, Ugras Erdogan, Onur Bayazit
1Department of Biophysics, Faculty of Medicine, Dokuz Eylul University, Izmir, Turkey. murat.ozgoren@deu.edu.tr
This study investigated brain asymmetry using a dichotic paradigm and developed an interactive stimulus system. Results showed significant right ear advantage, validating the new system for real-time EEG data collection.
Area of Science:
- Neuroscience
- Cognitive Psychology
Background:
- Brain asymmetry research often employs dichotic listening paradigms.
- Real-time registration of stimuli and responses with EEG data is crucial for accurate analysis.
Purpose of the Study:
- To develop and validate an embedded interactive stimulation unit (EMISU) for brain asymmetry studies.
- To integrate behavioral and evoked potential data collection in real-time.
Main Methods:
- An embedded interactive stimulation unit (EMISU) was designed and implemented.
- EEG data, behavioral responses, and evoked potentials were collected from 20 volunteers during a dichotic listening task.
Main Results:
- A significant factor of laterality was observed, favoring right ear responses (p<0.001).
- The EMISU demonstrated applicability for real-time data acquisition.
Conclusions:
- The developed EMISU is effective for studying brain asymmetry with real-time EEG.
- The system enhances the accuracy and efficiency of dichotic listening paradigms.
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