When we dance, the journey itself is the point, as when we play music the playing itself is the point, and exactly the same thing is true in meditation. Meditation is the discovery that the point of life is always arrived at in the immediate moment

Alan Watts

Stimuli too Nervous System

Each moment we are surrounded by stimuli; the way we relate to those stimuli weather internal or external determines the direction our nervous system takes. The more active, stimulating side of our nervous system is the sympathetic whereas the more passive, calming parasympathetic side brings balance. Both sides coexist within every moment, just at varying degrees; throughout the day the body enters a more sympathetic state as we work, while at night we enter into parasympathetic which can be thought of as ‘rest and digest’.

The nervous encapsulates our body via the nerves, broken down into 12 primary cranial nerves that branch out further covering each dermatone; each sensation is feed back to the brain. The brain is also able to promote the sensations to the nerves, that is, when we consciously decide to meditate; the mind over matter. The vagus nerve is fundamentally linked to the parasympathetic nervous system; longer exhalations than inhalations lower the heart rate while breathing into the lower abdomen stimulates the sensory pathways of the vagus nerve, enhancing its tone. Increasing the vagus tone enhances feelings of safety, groundedness and calm; read further down to explore what the science has to say about different types of mediation on health

10 Types of Meditation

1. Concentration Meditation

Concentration meditation focuses on singular sensations, one of the main focal points may be on the breath, this enhances parasympathetic tone; relaxing the body’s physiological functions as seen in the lungs and the heart. Synchronisation is seen in the heartbeat, blood pressure and respiration. As the awareness seats itself on the breath the oxygen perfusion is increased

2. Heart Centred Meditation

Their is complexities of the nervous system surrounding the heart, so much so that its been denoted as having its own “heart-brain”. Open up your awareness to the heart centre through having the heart as the main focal point of your meditation. This meditation allows you to connect inwards with the boundaries of the ‘self’; allowing space for compassion and reflection of the emotional boundaries of the heart

3. Insight meditation

When insightfuly meditating you simply observe what ever stimuli there is around you, focusing in on the experience rather than the thoughts in your mind that surround that ‘thing’ or ‘stimuli’. Regularly practising insight meditation has been shown to slow cortical thinning, thereby, slowing cognitive ageing and enhancing the capacity to maintain attention and memory. Below is one of my favourite Alan Watts documentary’s that focuses on insight meditation, simply sit back and watch, let the stimuli take over, enjoy!

The Art Of Meditation (1971) Alan Watts

4. Kundalini Meditation

The kundalini is thought to live at the base of the spin, activated through movement of the limbic system, breath-work and mantra. Studies show the kundalini offers a parasympathetic dominance, thereby reducing the systolic blood pressure and respiratory rate. Activity of the hypothalamic-hypophyseal-adrenal axis is modulated, metabolic rates are lowered, and beta-endorphins are elevated; these are the ones responsible for the calm relaxed states of mind, however, they also improve immunity. Overall, kundalini alleviates hypertension, type 2 diabetes and asthma. One of my personal favourite YouTube channels is Kimilla

5. Mindfullness Meditation

Over-thinking, worrying and negative thoughts can lead to increased sympathetic drive; wakeful nights, appetite changes and heightened stress responses. Stepping back and de-centering from through thoughts allows detachment, opening space to let go; opening space for calmness in states of anxiety and depression.

6. Pranayama Breathing

Commonly known as box breathing; active, continuous regularity of inhalation, holding breath and exhalation. Pranayama enhances parasympathetic balance; through regulating the breath, blood circulation is improves and functions better at removing carbon dioxide and other toxins from the venous system, thereby, enhancing immunity. Space is opened for positive thinking and energy, this translates through the lowering of high pulse rates, insomnia and anger.

7. Raja Yoga Meditation

Raja Yoga supports the balance of the parasympathetic and the sympathetic nervous system throughout daily activity; relaxing the mind while engaging in day-to-day work minimises sympathetic activity on the cardiovascular system. Peripheral resistance in the blood vessels is lowered, as well as basal metabolic rates and resting oxygen consumption.

8. Tai Chi

In comparison to the other meditations mentioned, Tai Chi increases sympathetic activity, this may be due to the flowing physical movements that accompany the focused breathing. The health benefits match those of brisk walking; in the cells lipolysis is increased.

9. Transcendental Meditation

Transcendental meditation is a vocal form that incorporates repetition of mantras, chants, word phrases or sounds to allow the mind and body to enter a states of ‘oneness’ otherwise known as the Tao. This states of mind induces parasympathetic tone, while the sympathetic tone is decreased. The heart entered a state of calmness, blood pressure decreases denoting its benefits to those who have a minor risk of disease

10. Qigong

Similar to Tai Chi, Qigong involves flowing movements accompanied by focused concentration and intention on the breath. Through moving the Qi or Chi sensations present themselves at the fingertips; science now recognises this as our sensitivity to the parasympathetic activation of the blood vessels dilating. This meditation reduces depression and diabetes and induces calmness.

Sources
Changes in heart rate variability during concentration meditation
Effect of kundalini meditation on some physiological variables indicating relaxed state and parasympathetic dominance
Effect of Yoga on Pulse rate and Oxygen Saturation: Analysis of Psychophysiological Parameters
Efficacy of Tai Chi, brisk walking, meditation, and reading in reducing mental and emotional stress
Heart Shield Meditation – Kunadalini Yoga
Investigating the effect of transcendental meditation on blood pressure: a systematic review and meta-analysis
Now and Zen
Meditation: A saviour for balancing the autonomic functions

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