Definition of "cortexes" []

• Plural form of cortex. (noun)

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• "The study, funded by Tetris 'makers and authored by investigators at the Mind Research Network in New Mexico, shows that playing the classic puzzle game had two distinct effects on the brains of research subjects: some areas in the brain showed greater efficiency (the blue areas in the diagram above), and different areas showed thicker cortexes, which is a sign of more grey matter (red)."
• "Without a feeling of safety and community, these kids cannot get their pre-frontal cortexes engaged in learning."
• "The potent cocktail of hormones, the fact that our prefrontal cortexes aren't quite developed, and the instant publicity the Internet can provide have all contributed to an unprecedented era of sex blogging."