Fractal dimension of EEG signals and heart dynamics in discrete emotional states
| Autor: | Elisabeth Ruiz-Padial, Antonio J. Ibáñez-Molina |
|---|---|
| Rok vydání: | 2018 |
| Předmět: |
Male
medicine.medical_specialty Emotions Electroencephalography Audiology Autonomic Nervous System Fractal dimension 050105 experimental psychology 03 medical and health sciences Young Adult 0302 clinical medicine Fractal Heart Rate Emotion perception Heart rate medicine Heart rate variability Humans 0501 psychology and cognitive sciences medicine.diagnostic_test General Neuroscience 05 social sciences Heart Vagus Nerve Fear Disgust Healthy Volunteers Neuropsychology and Physiological Psychology Fractals Detrended fluctuation analysis Female Psychology 030217 neurology & neurosurgery Wit and Humor as Topic |
| Zdroj: | Biological psychology. 137 |
| ISSN: | 1873-6246 |
| Popis: | In this study, we explored the fractal dimension (FD; a measure of signal complexity) of 28 EEG channels with positive and negative emotional states. The EEG of participants and their ECG were registered while watching short video clips that induced fear, disgust, humour, or neutral emotions. In order to better understand the nature of these emotions, the Higuchi FD of EEG segments and the heart rate variability (HRV) of the ECG associated with each emotion were obtained. Our results exhibited similar patterns of results with both measures. Humour elicited the highest FD scores in most EEG channels and the highest HRV, while fear, among all emotions, produced the lowest scores in both measures. These results may contribute to the understanding of the relationship between cortical and heart dynamics and their role on emotion perception. |
| Databáze: | OpenAIRE |
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