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The Impact of Socioeconomic and Stimulus Inequality on Human Brain Physiology by Parameshwaran, Dhanya (author);Sathishkumar, S. (author);Thiagarajan, Tara C. (author) is a Biochemistry, Genetics and Molecular Biology article available to read on EtoBox.

What is The Impact of Socioeconomic and Stimulus Inequality on Human Brain Physiology about?

The brain undergoes profound structural and dynamical alteration in response to its stimulus environment. In animal studies, enriched stimulus environments result in numerous structural and dynamical changes along with cognitive enhancements. In human society factors such as education, travel, cell phones and motorized transport dramatically expand the rate and complexity of stimulus experience but diverge in access based on income. Correspondingly, poverty is associated with significant structural and dynamical differences in the brain, but it is unknown how this relates to disparity in stimulus access. Here we studied consumption of major stimulus factors along with measurement of brain signals using EEG in 402 people in India across an income range of $0.82 to $410/day. We show that the complexity of the EEG signal scaled logarithmically with overall stimulus consumption and income and linearly with education and travel. In contrast phone use jumped up at a threshold of $30/day corresponding to a similar jump in key spectral parameters that reflect the signal energy. Our results suggest that key aspects of brain physiology increase in lockstep with stimulus consumption and that

Who reads The Impact of Socioeconomic and Stimulus Inequality on Human Brain Physiology?

Author

Parameshwaran, Dhanya (author);Sathishkumar, S. (author);Thiagarajan, Tara C. (author)

Publisher

Springer Science and Business Media LLC

Published

2021

Language

EN

Field

Biochemistry, Genetics and Molecular Biology (Life Sciences)