Effects of material deprivation on neurological functioning

Area of Science:

• Neuroscience
• Developmental Psychology
• Sociology

Background:

• Intellectual deficits are prevalent in low socio-economic strata, particularly in underdeveloped nations.
• Socio-cultural retardation (S-CR) in industrialized countries is debated, with theories of psychosensory deprivation versus culturally biased testing.
• Malnutrition and infection in underdeveloped countries may exacerbate intellectual deficits, potentially altering their nature.

Purpose of the Study:

• To explore the neurological perspective on intellectual deficits in low socio-economic populations.
• To propose that Western technological lifestyles influence brain organization, potentially leading to specific functional deficiencies.
• To investigate the role of incomplete neural maturation in these deficits.

Main Methods:

• Clinical neurological perspective.
• Analysis of neurodevelopmental factors.
• Examples of specific cognitive and motor function deficiencies.

Main Results:

• The technological Western lifestyle may promote a brain organization absent in less sophisticated cultures.
• Individuals in low socio-economic strata may exhibit multiple mild deficiencies in specific brain functions.
• Incomplete maturation of neural mechanisms is hypothesized as the core issue.
• Observed examples include facial dyspraxia, persistence of primitive reflexes, and issues with body image and sensory integration.

Conclusions:

• The organization of the brain is influenced by the mode of life, with technological societies potentially fostering different neural structures.
• Incomplete neural maturation is a likely cause of specific functional deficits observed in low socio-economic populations.
• Educational systems based on middle-class values in developing countries may contribute to academic failure due to a mismatch with the cognitive organization of students.