This study investigated the impact of presentation video content and structure on viewers’ brain activity, attention, and subjective evaluations. The experiment involved 59 right-handed Japanese university students with intermediate English proficiency (CEFR B1-B2). Participants watched three presentation videos with distinct narrative styles: personal storytelling, objective explanations, and mixed formats. During the experiment, cerebral blood flow was measured using NIRS, and eye-tracking data were collected to assess visual attention. After viewing each video, participants completed comprehension tests with multiple-choice questions. At the end of the experiment, questionnaires were administered to evaluate participants’ perceptions of the presentations. The results revealed that personal narratives incorporating self-disclosure significantly increased cerebral blood flow, enhancing emotional resonance and deeper engagement. Visual elements, such as photographs, strengthened the perceived presence of the speaker and the connection with the audience. Additionally, negative information was found to be more memorable and influenced brain activity patterns. These findings suggest that combining personal narratives, visual aids, and balanced thematic progression can maximize the impact of presentations. This study provides practical insights for improving presentation design and emphasizes the need for future research under controlled conditions and across diverse communication settings.

Authors:
Fumiya Shinozaki, Osaka Kyoiku University, Japan

About the Presenter(s)
Mr. Fumiya Shinozaki is an Associate Professor in the Teacher Education Program at Osaka Kyoiku University. His research interests include secondary English education, speaking instruction, ICT, and computer-mediated communication (CMC).

Connect on ResearchGate
https://www.researchgate.net/profile/Fumiya-Shinozaki

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