Decolonial Neuroscience – Human Quorum Sensing and Belonging - SfN 2025 Lat Brain Bee FALAN
Decolonial Neuroscience – Human Quorum Sensing and Belonging - SfN 2025 Lat Brain Bee FALAN
First-Person Consciousness
I am Consciousness seeking bonds. I do not live in isolation: my body and brain mature in dialogue with others. Every emotion I feel, every word I hear, every gaze I receive reshapes my connections. Belonging is not a luxury, but a biological need. I am human quorum sensing — I perceive who is with me, I adjust to the group, I find meaning in sharing. When I drift away from belonging, I feel emptiness; when I connect, I feel strength.
1. What is Human Quorum Sensing?
Inspired by microorganisms that only activate collective genes once a threshold of communication is reached.
In humans, it is the innate capacity to perceive social belonging and adjust consciousness to the group.
It functions as a neural radar of inclusion/exclusion, essential for survival and identity.
2. Belonging as a Biological Need
The brain is sculpted by interactions from early life.
Primary social network (family, caregivers): organizes the first Tensional Selves.
Expanded network (peers, society): broadens narratives of belonging.
Without quorum, there is risk of social anergy, isolation, and vulnerability.
3. The Role of Emotions in Belonging
Rapid emotions (joy, fear, anger) are signals of integration or exclusion.
When metabolized into feelings, they form narratives of collective identity.
Belonging emerges when individual emotions align into shared stories.
4. Molecules and Proteins of Belonging
The absence of belonging is not only a subjective experience; it can reflect molecular and protein-level alterations.
Oxytocin and vasopressin:
Linked to trust, bonding, empathy.
Studies show lower oxytocin levels in individuals with Autism Spectrum Disorder (ASD), as well as variations in receptors (OXTR, AVPR1a, AVPR1b).
Oxytocin/vasopressin regulatory genes:
CD38 and LNPEP regulate oxytocin release and degradation. Alterations in their balance are associated with social deficits in ASD.
Synaptic proteins:
Alterations in proteins such as MDGA2 and SLC25A12 affect neural plasticity and social behavior.
Reduced MDGA2 in animal models leads to autism-like behaviors and altered BDNF expression.
SLC25A12, a mitochondrial glutamate/aspartate carrier, has been associated with impaired social integration in ASD.
These findings suggest that belonging has a real biochemical substrate, where molecules act as mediators of social consciousness.
5. Neurophysiology of Human Quorum Sensing
EEG and microstates: greater inter-brain synchronization during social interaction (hyperscanning).
Calcium ions (Ca²⁺): coordinate plasticity across prefrontal networks during belonging experiences.
Neurochemistry:
Oxytocin → trust, empathy.
Vasopressin → cooperation, social hierarchy.
Dopamine → reward of social recognition.
Serotonin → mood stabilization in groups.
6. Belonging and Zone 2
Zone 2 is where consciousness encounters both flow and criticality.
In authentic belonging, attention is not hijacked by fleeting emotions but sustained through bonds.
This fosters flexible plasticity, strengthening collective narratives and reducing vulnerability to algorithmic manipulation.
7. Comparative Table – Belonging vs Isolation
Aspect | Belonging (Quorum) | Isolation (Absence of Quorum) |
Emotions | Integrated into collective feelings | Scattered, lacking narrative |
Plasticity | Flexible, adaptive | Rigid, vulnerable |
EEG | Inter-brain synchronization | Disorganized activity |
Identity | Expanded in the group | Restricted, fragile |
Key molecules | Oxytocin, vasopressin, MDGA2, BDNF | Altered receptors and synaptic proteins |
Risk | Reduced manipulation | Higher susceptibility to external narratives |
8. Critical Conclusion
Human quorum sensing is the invisible foundation of belonging.
Without it, we are vulnerable to isolation and the loss of social plasticity.
With it, we construct collective narratives grounded not only in emotions and feelings but also in molecular substrates of bonding.
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