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Why Lower Sensorimotor Functions are Important

Humans tend to view cortical mechanisms as preeiminent, probably because we are the species with the largest cortexes. However, you could make the argument that the lower sensorimotor functions are more important. What are some of those arguments?

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Brain functions can be roughly divided into lower sensorimotor functions (e.g. grasping and other basic movements, vision, hearing, etc.) and higher cognitive functions (e.g. thinking, planning, regulating behavior, etc.).

The cortical functions are important to our lives. The cortical functions are what ...