Looking After Your Brain. Neural Correlates of Thoughtless Awareness.
Dear Friend,
If you were to have a brain scan would anything show up corresponding to the state of thoughtless awareness?
And how might this account for the extraordinary sense of wellbeing you’re getting from your meditation practice?
Anticipating that you might get into a lively discussion about Sahaja yoga with someone at the bus-stop or at a dinner party, I’ve used Google AI below to produce for you an overview answer to the above two questions.
For the full AI response along with links to sources, they are shared here.
“The neural correlates of thoughtless awareness (or mental silence) in Sahaja Yoga meditation involve a unique combination of increased frontal midline theta wave activity, activation of attention and emotional control networks, and the deactivation of regions responsible for irrelevant sensory processing and social narration. [1, 2, 3]
🧠Brainwave Activity (EEG Signatures)
Frontal Midline Theta Waves: When practitioners report entering a state of thoughtless awareness, EEG readings show a prominent shift to frontal midline theta activity. “...studies of Sahaja meditation have found that when the meditators signaled that they had reached a state of thoughtless awareness or “oneness,” theta activity appeared in the frontal mid-line areas of the brain...” as documented by Sahaja Online. This specific wave activity is strongly associated with deep positive emotional states and focused attention. [1]
Enhanced Alpha Power: Alongside theta bursts, an overall increase in alpha power is observed across the brain, which correlates to a state of highly alert, yet relaxed contemplation. [1]
🗺️ Functional Brain Mapping (fMRI Data)
Sustained Attention Network Activation: Neuroimaging indicates significant activation in the fronto-parieto-temporal regions. These networks handle sustained attention and cognitive control skills, allowing practitioners to block intrusive thoughts. [1, 2, 3]
Limbic and Insula Activation: The limbic regions, which control emotional state and mood, activate during the initial self-control process. This correlates with the subjective experience of bliss and positive mood. [1, 2, 3, 4]
The "Effortless" Drop in Activity: Once mental silence is achieved, neuroimaging reveals a drop in activity across the right inferior frontal cortex and the insula. “After passing through an initial intense neural self-control process necessary to silence the mind, Sahaja meditators experienced reduced brain activity... reflecting the effortless process of attentional contemplation...” according to data from Sahaja Online. [1, 2, 3]
Thalamic and Frontal Deactivation: Recent studies show a noticeable deactivation of the bilateral thalamus and frontal areas. This helps to diminish the perception of external environmental distractions and tones down social judgment or narrative "mentalizing". [1, 2]
🧬 Structural Changes (Grey Matter Changes)
Long-term practitioners display distinct anatomical differences compared to non-meditators:
Your Brain’s Grey Matter is linked to your creativity. More below.
Also below: Making the most of sleep; and, getting to peace even when you’re not asleep.
Best wishes
P.
PS.
Moon Calendar (at end) this coming week: Tue. 11th August - Shivaratri( Inner Truth); Wed. 12th - New Moon / Amavasya (New beginnings).