Clinical EEG and Neuroscience
May 1, 2019
Shirley Telles, Deepeshwar Singh, Kv Naveen et al.
Sympathetic activation is required for attention. Separate studies have shown that meditation ( a) improves attention and ( b) reduces sympathetic activity. The present study assessed attention with the P300 and sympathetic activity with heart rate variability (HRV). Forty-seven male subjects (group mean age ± SD, 21.6 ± 3.4 years) were assessed in 4 mental states: ( a) random thinking, ( b)...
2014
Shirley Telles, Nilkamal Singh, Kv Naveen et al.
Objectives: Meditation is described in traditional yoga texts as three stages, which follow each other in sequence: (i) Focused attention (FA), (ii) Focused attention on the object of meditation (MF), and (iii) Meditation with one-pointed focused attention without effort (ME). When not in meditation the mind is considered to be in a state of normal consciousness characterized by random thinking...
International Journal of Yoga
July 1, 2010
Sanjay Kumar, Hr Nagendra, Kv Naveen et al.
Practicing mental repetition of "OM" has been shown to cause significant changes in the middle latency auditory-evoked potentials, which suggests that it facilitates the neural activity at the mesencephalic or diencephalic levels. The aim of the study was to study the brainstem auditory-evoked potentials (BAEP) in two meditation states based on consciousness, viz. dharana, and dhyana. Thirty...
International Journal of Yoga
2010
Sanjay Kumar, Hr Nagendra, Nk Manjunath et al.
In Indian scriptures the sacred syllable Om is the primordial sound from which all other sounds and creation emerge which signifies the Supreme Power. To explore the significance of the syllable OM from ancient texts and effects of OM meditation in contemporary science. DESCRIPTIONS FROM ANCIENT TEXTS: The descriptions of Om have been taken from four Upanisads (Mundaka, Mandukya, Svetasvatara,...