International Journal of Yoga Therapy
December 1, 2024
Shirley Telles, Sachin Kumar Sharma, Kumar Gandharva et al.
Abstract Changes in breathing during pranayama (yoga breathwork) are usually inferred from practice guidelines in traditional texts or contemporary writings. These changes point to understanding the effects of pranayama and indicate applications of pranayama in health. Previously, a pilot study on a single participant suggested that each pranayama changes breathing uniquely. To extend this...
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)...
Clinical EEG and Neuroscience
October 1, 2015
Shirley Telles, Singh Deepeshwar, Kalkuni Visweswaraiah Naveen et al.
The auditory sensory pathway has been studied in meditators, using midlatency and short latency auditory evoked potentials. The present study evaluated long latency auditory evoked potentials (LLAEPs) during meditation. Sixty male participants, aged between 18 and 31 years (group mean ± SD, 20.5 ± 3.8 years), were assessed in 4 mental states based on descriptions in the traditional texts. They...
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 psychophysiology : official journal of the International Organization of Psychophysiology
November 1, 2013
Luis Carlos Delgado-Pastor, Pandelis Perakakis, Pailoor Subramanya et al.
The concept of mindfulness is based on Vipassana, a Buddhist meditation technique. The present study examines the physiological indices of attention and autonomic regulation in experienced Vipassana meditators to test the claim that mindfulness is an effective therapeutic tool due to its effects on increasing awareness of present experience and emotional self-regulation. Ten male experienced...
Clinical EEG and Neuroscience
April 1, 2012
Shirley Telles, Bhat Ramachandra Raghavendra, Kalkuni Visweswaraiah Naveen et al.
Mid-latency auditory evoked potentials (MLAEPs) were assessed in 60 participants during 4 mental states described in traditional yoga texts. These 4 mental states are random thinking, nonmeditative-focused thinking, meditative focusing, and meditation. Assessments were made before (5 minutes), during (20 minutes), and after (5 minutes) each of the 4 states, on 4 separate days. There were...
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,...
BioPsychoSocial Medicine
August 13, 2009
P. Subramanya, S. Telles
BackgroundA yoga practice involving cycles of yoga postures and supine rest (called cyclic meditation) was previously shown to improve performance in attention tasks more than relaxation in the corpse posture (shavasana). This was ascribed to reduced anxiety, though this was not assessed.MethodsIn fifty-seven male volunteers (group average age ± S.D., 26.6 ± 4.5 years) the immediate effect of...
The International journal of neuroscience
December 2006
S P Sarang, Shirley Telles
Cyclic meditation (CM) is a technique that combines "stimulating" and "calming" practices, based on a statement in ancient yoga texts suggesting that such a combination may be especially helpful to reach a state of mental equilibrium. The changes in the peak latency and peak amplitude of P300 auditory event-related potentials were studied before and after the practice of cyclic meditation...
The International journal of neuroscience
May 1994
S Telles, R Nagarathna, H R Nagendra et al.
Middle latency auditory evoked potentials were recorded in 18 male volunteers with ages between 25 and 45 years, 9 of whom had more than 10 years of experience in "Om" meditation (senior subjects), whereas the other 9 had no meditation experience (naive subjects). Both groups were studied in two types of sessions. (1) Before, during, and after 20 minutes of mentally repeating "one" (control...
International journal of psychophysiology : official journal of the International Organization of Psychophysiology
September 1993
Shirley Telles, T Desiraju
This report presents the changes in various autonomic and respiratory variables during the practice of Brahmakumaris Raja yoga meditation. This practice requires considerable commitment and involves concentrated thinking. 18 males in the age range of 20 to 52 years (mean 34.1 +/- 8.1), with 5-25 years experience in mediation (mean 10.1 +/- 6.2), participated in the study. Each subject was...