Exploring the Effects of Gratitude Voice Waves on Cellular Behavior: A Pilot Study in Affective Mechanotransduction
2024
Rosario Gilabert, David del | Carbajo, Jesús | Valenzuela-Miralles, Antonio | Vigué-Guix, Irene | Ruiz-Fernandez, Daniel | Esquiva, Gema | Gómez-Vicente, Violeta | Carbajo, Jesús | Esquiva, Gema | Gómez-Vicente, Violeta | Ruiz-Fernandez, Daniel | Universidad de Alicante. Departamento de Óptica, Farmacología y Anatomía | Universidad de Alicante. Departamento de Física, Ingeniería de Sistemas y Teoría de la Señal | Universidad de Alicante. Departamento de Tecnología Informática y Computación | Genética Humana y de Mamíferos (GHM) | Acústica Aplicada | Ingeniería Bioinspirada e Informática para la Salud | Grupo de Óptica y Percepción Visual (GOPV)
Emotional communication is a multi-modal phenomenon involving posture, gestures, facial expressions, and the human voice. Affective states systematically modulate the acoustic signals produced during speech production through the laryngeal muscles via the central nervous system, transforming the acoustic signal into a means of affective transmission. Additionally, a substantial body of research in sonobiology has shown that audible acoustic waves (AAW) can affect cellular dynamics. This pilot study explores whether the physical–acoustic changes induced by gratitude states in human speech could influence cell proliferation and Ki67 expression in non-auditory cells (661W cell line). We conduct a series of assays, including affective electroencephalogram (EEG) measurements, an affective text quantification algorithm, and a passive vibro-acoustic treatment (PVT), to control the CO2 incubator environment acoustically, and a proliferation assay with immunolabeling to quantify cell dynamics. Although a larger sample size is needed, the hypothesis that emotions can act as biophysical agents remains a plausible possibility, and feasible physical and biological pathways are discussed. In summary, studying the impact of gratitude AAW on cell biology represents an unexplored research area with the potential to enhance our understanding of the interaction between human cognition and biology through physics principles.
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