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Taghaddossi, mahdi, Moradi, Poorya, Moradi, Mohammad Hasan. (1401). Brain Effective Connectivity Comparison in the Four States of Confrontation to the Brands During Shopping. نشریه مهندسی عمران امیرکبیر, 54(2), 185-198. doi: 10.22060/eej.2022.21097.5457
mahdi Taghaddossi; Poorya Moradi; Mohammad Hasan Moradi. "Brain Effective Connectivity Comparison in the Four States of Confrontation to the Brands During Shopping". نشریه مهندسی عمران امیرکبیر, 54, 2, 1401, 185-198. doi: 10.22060/eej.2022.21097.5457
Taghaddossi, mahdi, Moradi, Poorya, Moradi, Mohammad Hasan. (1401). 'Brain Effective Connectivity Comparison in the Four States of Confrontation to the Brands During Shopping', نشریه مهندسی عمران امیرکبیر, 54(2), pp. 185-198. doi: 10.22060/eej.2022.21097.5457
Taghaddossi, mahdi, Moradi, Poorya, Moradi, Mohammad Hasan. Brain Effective Connectivity Comparison in the Four States of Confrontation to the Brands During Shopping. نشریه مهندسی عمران امیرکبیر, 1401; 54(2): 185-198. doi: 10.22060/eej.2022.21097.5457

Brain Effective Connectivity Comparison in the Four States of Confrontation to the Brands During Shopping

AUT Journal of Electrical Engineering
مقاله 3، دوره 54، شماره 2، اسفند 2022، صفحه 185-198    اصل مقاله (1.42 M)
نوع مقاله: Research Article
شناسه دیجیتال (DOI): 10.22060/eej.2022.21097.5457
نویسندگان
mahdi Taghaddossi1؛ Poorya Moradi2؛ Mohammad Hasan Moradi* 1
1Biomedical Engineering Faculty, Amirkabir University of Technology, Tehran, Iran
2Industrial Engineering, Engineering Faculty, Khatam University, Tehran, Iran
چکیده
Neuromarketing assists us to uncover the subconscious effects of marketing stimuli on consumers' brains from a neuroscientific perspective. One of the important effects of brands on human brain is in the level of directed relations between brain areas which were less considered in neuromarketing studies. In this paper, we used the EEG signals recorded during the confrontation of participants to the brands in the virtual shopping center. 20 participants (10 females and 10 men) were contributed to the experiment. After preprocessing, extracted brain sources were clustered to brain areas. Effective connectivity between brain areas was calculated using the Generalized Partial Directed Coherence (GPDC) index in four different states of watching brands (1. unfamiliar and undesired brands 2. familiar and undesired brands 3. unfamiliar and desired brand 4. desired and familiar brands). Statistical analysis of these states in watching familiar brands showed that almost all of the brain areas have stronger relation to each other. Watching unfamiliar brands between hemispheric relations showed that they are stronger when brands are desired, and interhemispheric relations are stronger when brands are not desired. Additionally, in watching familiar brands, left-brain relations are stronger when the brands are desired and right-brain relations are stronger when the brands are undesired. As the brands were shown for 2 seconds, the connectivity values in 1st second and 2nd second of watching brands do not have significant differences. Additionally, connectivity values are stronger in lower frequency bands of the brain during watching the brands in the shopping center. 
کلیدواژه‌ها
Neuromarketing؛ EEG signals؛ K-mean clustering؛ Brain directed relations؛ Statistical analysis
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