<p>Episode Description: The Dzogchen Ponlop Rinpoche, one of the foremost teachers in the Nyingma and Kagyu schools of Tibetan Buddhism, joins</p>
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The amygdalae are important, if not critical, brain regions for many affective, attentional and memorial processes, and dysfunction of the amygdalae has been a consistent finding in the study of clinical depression. Theoretical models of the functional neuroanatomy of both normal and psychopathological affective processes which posit cortical hemispheric specialization of functions have been supported by both lesion and functional neuroimaging studies in humans. Results from human neuroimaging studies in support of amygdalar hemispheric specialization are inconsistent. However, recent results from human lesion studies are consistent with hemispheric specialization. An important, yet largely ignored, feature of the amygdalae in the primate brain--derived from both neuroanatomical and electrophysiological data--is that there are virtually no direct interhemispheric connections via the anterior commissure (AC). This feature stands in stark contrast to that of the rodent brain wherein virtually all amygdalar nuclei have direct interhemispheric connections. We propose this feature of the primate brain, in particular the human brain, is a result of influences from frontocortical hemispheric specialization which have developed over the course of primate brain evolution. Results consistent with this notion were obtained by examining the nature of human amygdalar interhemispheric connectivity using both functional magnetic resonance imaging (FMRI) and positron emission tomography (PET). We found modest evidence of amygdalar interhemispheric functional connectivity in the non-depressed brain, whereas there was strong evidence of functional connectivity in the depressed brain. We interpret and discuss the nature of this connectivity in the depressed brain in the context of dysfunctional frontocortical-amygdalar interactions which accompany clinical depression.
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We conducted assessments of 28 children with impaired vision (VI group), with ages ranging from 12 to 17 years, and an equal number of age-matched, normal-sighted children (NS group). The VI group had significantly higher rates of breathing, heart rates, and diastolic blood pressure values compared to the NS group (Mann–Whitney U test). Twenty-four of the VI group formed pairs matched for age and degree of blindness, and we randomly assigned members of the pairs to two groups, viz., yoga and physical activity. Both groups spent an hour each day practicing yoga or working in the garden, depending on their group. After 3 weeks, the yoga group showed a significant decrease in breath rate (Wilcoxon paired signed ranks test). There was no change after the physical activity program. The results showed that children with visual impairment have higher physiological arousal than children with normal sight, with a marginal reduction in arousal following yoga.
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- Practices Specific to Tibetan Buddhism,
- Literature Specific to Tibetan Buddhism,
- Contemplation by Tradition,
- Avalokiteshvara (Chenrezik),
- Means of Accomplishment (sadana, druptap),
- Literature of Buddhist Contemplation,
- Practices of Buddhist Contemplation,
- Generation phase (utpattikrama, kyerim),
- Deity yoga (devata-yoga, lhé nenjor),
- Buddhist Contemplation
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<p>A key early fifteenth-century Tibetan historical work that includes all the main schools of Tibetan Buddhism as they existed up to the fifteenth-century, but mainly focused on the Kagyü (bka' brgyud) schools. (BJN)</p>
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<p>Professor George has ventured into a comparatively unchartered area seeking, as he does, to explore the art and concept of performance in Buddhism -- more specially in the context of Buddhist meditation and theatre. Spelling out the epistemology of performance in all its different connotations and definitional nuances, his study opens out an astonishingly vast panorama of the Buddhist theatrical practices in Sri Lanka, China, Japan, Nepal, Tibet . . . and goes on to demonstrate how, within this panorama, three kinds of theatrical practice can be identified, each corresponding to one of the three paths open to a Buddhist: the karma path, the Bodhisattva option, and enlightenment, and each representative of one of the three main cultures of Buddhism -- the Hinayana, Mahayana, Vajrayana. Supported by extensive endnotes and bibliographic references, Dr. George's book also carries a range of case studies of the art of performance in Buddhism, with definitive examples, among others, of the Sri Lankan Kandy dance and Karma drama, Tibetan Chams and Chod, and Japanese Noh.</p>
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This study aims at investigating changes in heart rate variability (HRV) measured during meditation. The statistical and spectral measures of HRV from the RR intervals were analyzed. Results indicate that meditation may have different effects on health depending on frequency of the resonant peak that each meditator can achieve. The possible effects may concern resetting baroreflex sensitivity, increasing the parasympathetic tone, and improving efficiency of gas exchange in the lung.
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<p>The aim of this article is threefold: It attempts to 1) identify the characteristics of East Asian forms of meditation, as compared to meditation in other parts of the Eurasian continent; 2) test the usefulness of a definition of meditation as a self-administered technique for inner transformation; and 3) test the usefulness of a classification of meditation techniques based on generic features of the meditation object, in particular location (external vs. internal), agency (spontaneous vs. produced), and faculty (cognitive vs. sensory). While the variation among East Asian forms of meditation is considerable, they (along with Indic forms) are often more technical and less consistently devotional than their Western counterparts, and less often sound-based than their Indic counterparts. In a number of ways, both the definition and classification system suggested turn out to be helpful in the analysis of East Asian forms of meditation. Keywords: meditation, mental attitude, meditation object, body, breathing, subtle body, visualisation, direct contemplation, keyword meditation, devotion</p>
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- Practices Specific to Tibetan Buddhism,
- Literature Specific to Tibetan Buddhism,
- Contemplation by Tradition,
- Tara (Drolma),
- Means of Accomplishment (sadana, druptap),
- Literature of Buddhist Contemplation,
- Practices of Buddhist Contemplation,
- Generation phase (utpattikrama, kyerim),
- Deity yoga (devata-yoga, lhé nenjor),
- Buddhist Contemplation
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