How Yoga Change Your Brain Functions

We all know that yoga does wonders for the mind. Even novices of asana, pranayama, meditation report feeling increased mental stability and clarity during and after practice. Now, thanks to sophisticated brain imaging technologies, neuroscience is proving what teachers and practitioners have known for ages – that Yoga and meditation can literally change your brain. But what exactly is going on up there? Take a peek inside – a basic understanding of brain anatomy and function can serve as a handy road map for your inner journey. ( Kathryn Heagberg)

The frontal lobe is the hub of higher cognitive functions – including planning, discriminating, abstract thinking, personality and behavior. The Bihar School refers to the breathing practice of kapalabhati as – frontal brain purification, due to the juvenating effects it has on this area of the brain.

The anterior part of the frontal lobe, the prefrontal cortex is the most evolved part of the brain and is responsible for positive capacities like concentration, happiness, creativity and rational thinking. Studies using EEG have shown that meditation strengthens communication between the prefrontal cortex and other area of the brain.

Known as the seat of conscious functioning, the cerebrum is the largest part of the brain, it is divided into right and left hemispheres. On the physical level, the right hemisphere controls the left side of the body, and the left hemisphere controls the right side. On the level of the subtle body, ida nadi (the lunar energy channel) is connected to the right half of the brain, and pingala nadi(the solar energy channel) is connected to the left side of the brain.

Roughly the size of a pea, the pituitary gland is the endocrine system`s master gland, producing and releasing hormones that control growth, metabolism and the function of other hormones. On a more subtle level, the pituitary gland is related to the sixth, or ajna , chakra. Ajna, literally means „command center”

The brain stem, which connects the brain and the spinal cord, plays a crucial role in digestion, heart rate, and diaphragmatic breathing. Neurons found in the brain stem send a nerve impulse to the diaphragm, which causes it to contract, thereby initiating inhalation.

The cerebellum controls balance, muscle coordination, reflexes and movement. Asana would be impossible without it.

The limbic system is comprised of structures related to memory and emotion, such as the hippocampus, amygdala, thalamus and hypothalamus. A 2010 study found that subjects that meditate 30 minutes a day for eight weeks had a reduction of gray matter in the amygdala – which is linked to the fear and anxiety – and an increase of gray matter in the hippocampus, which plays a vital role in memory formation.

As the primary visual processing center of the brain, the occipital lobe helps you follow along visually in yoga class. And you can thank the temporal lobe for your ability to process verbal asana cues – it is responsible for auditory perception.

The parietal lobe is associated with limb movement, understanding speech, and sensing pain. According to a study published in Journal of Neuroscience in April 2011, brain scans of the region demonstrated that mindfulness meditation can dramatically reduce sensitivity to pain – even more so than morphine.

The neurotransmitters serve as the brain`s chemical messengers, relaying informations between nerve cells. Neurological disorders are often the result of a neurotransmitter snafu – for instance, low levels of a neurotransmitter known as GABA are linked to depression and anxiety. Recent studies show an association between regular asana practice and increased GABA levels.

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