The cortical reorganization causes a reciprocal shift of psychological attitudes. It is the physical aspect of a simultaneous mental reformation. The reorganization is automatic; it depends on conditions and the subject does not apprehend it directly. Deficiency of the same receptors and the same environment tend to evoke identical cortical and psychological change. The direction and rate of development of the brain’s latent abilities depend on the environment and practice. Although cortical reorganization is unconscious the environmental conditions direct it.
A widespread cortical reorganization manifests itself as group attitudes. It is not a subject of comparison and cannot be realized within the group. Eventually it becomes a national trait. A widespread loss of receptors especially such that relate to pleasure can be a powerful psychosocial factor.
The loss of pleasure indefinitely postpones the present. The loss of identical pleasure feeds strong hopes for a similarly delightful future. Undoubtedly, it tends to cultivate strong collectivism especially concerning moral values, ideology and abstractions that naturally lead to religious ethnocentrism and clannishness.