This study aims to examine the acute neurobiological effects of reciting the Quran from the Mushaf on salivary BDNF, Apelin, and Cortisol levels and their relationship with emotional state. The study employed a randomized pre-test post-test control group design conducted in Türkiye. The sample consisted of 100 healthy theology students (50 females, 50 males) aged 18–25, proficient in reciting the Quran in accordance with Tajweed rules. Participants were randomly assigned to either the experimental group (reciting the first nine verses of Surah Al-Imran, n = 50) or the control group (standardized passive resting, n = 50). Salivary BDNF, apelin, and cortisol levels were measured using the ELISA technique before and after the intervention. Emotional states were assessed using the Mood Scale and the Psychological Well-being Scale. The experimental group exhibited a statistically significant increase in mean salivary BDNF and apelin levels and a significant decrease in cortisol levels following recitation compared to the passive control group (p .05). Correlation analysis revealed a significant “biological reciprocity,” where cortisol showed a negative correlation with apelin (r = -0.436, p < 0.001) and BDNF, while correlating positively with negative emotions. Reciting the Quran aloud acts as a rapid psychophysiological intervention that downregulates the HPA axis (reduced cortisol) and upregulates neurotrophic factors (increased BDNF and apelin). These findings suggest that structured recitation functions as a restorative neuroplasticity practice, promoting biological stress resilience associated with psychological well-being.
Okur et al. (Mon,) studied this question.
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