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S. Choudhury

5 papers in the library · 25 citations · publishing 2019-2026

Papers

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Decreased Beta and Gamma Band Power following Mantra Exposure: An EEG Analysis in Expectant Mothers

2026 IEEE Guwahati Subsection Conference June 1, 2026 Daisy Das, Nabamita Deb, S. Choudhury

Meditation and exposure to auditory mantra are increasingly being acknowledged for their ability to modulate neural activity and promote relaxation, particularly during pregnancy—a period marked by heightened emotional and physiological sensitivity. This EEG study looked at 43 pregnant women with their eyes closed in three different states: resting state (RS), while listening to a mantra (M),...

Tetrahedral feature map for analyzing meditative states in prenatal EEG

Engineering Research Express May 6, 2025 Daisy Das, Nabamita Deb, S. Choudhury

Purpose: Electroencephalography (EEG) is a widely used non-invasive method to explore brain activity and cognitive states, including the effects of meditation. The potential of prenatal EEG to understand the neural mechanisms underlying maternal brain activity makes it an exciting field of study. However, research on prenatal EEG during different stages of meditation is currently lacking....

Brief Mantra Meditation Increases Theta Power in Frontal Regions

2025 3rd International Conference on Intelligent Systems, Advanced Computing and Communication February 27, 2025 Daisy Das, Bhabesh Kalita, Nabamita Deb et al.

Meditation has been widely used to enhance cognitive health, particularly during pregnancy. θ-power, associated with cognitive processes such as attention and relaxation, is often prominent in the frontal region, which plays a critical role in executive functions and emotional regulation. This study investigated the effects of brief meditation on θ-power using EEG data from the PEM-43 dataset....

Investigating Alpha Power Variations Across Meditative States in Prenatal Women

2024 International Conference on Recent Progresses in Science, Engineering and Technology December 7, 2024 Daisy Das, Nabamita Deb, Gaurav Kakoti et al.

Prenatal women's mental condition found among various women in this modernized world, poses as one of the great public health issues because it significantly impacts maternal and fetal health. Since mental states might be one of the aspects affecting activities in the brain, researchers have proved that alpha frequency has particularly impacted it because this particular stage is linked with...

The influence of the host microbiome on 3,4-methylenedioxymethamphetamine (MDMA)-induced hyperthermia and vice versa

Scientific Reports March 13, 2019 Emily Ridge, Sudhan Pachhain, S. Choudhury et al. 25 citations

Hyperthermia induced by 3,4-methylenedioxymethamphetamine (MDMA) can be life-threatening. Here, we investigate the role of the gut microbiome and TGR5 bile acid receptors in MDMA-mediated hyperthermia. Fourteen days prior to treatment with MDMA, male Sprague-Dawley rats were provided water or water treated with antibiotics. Animals that had received antibiotics displayed a reduction in gut...