ANAT 321 Lecture Notes - Lecture 12: Inferior Frontal Gyrus, Medial Longitudinal Fissure, Auditory Cortex
4 Oct 2016
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Document Summary
E. g. primary somatic sensory cortex is the lowest level in processing sensory information. In the case of movement systems, the hierarchical organization is the opposite, since you need an idea first that needs to be translated into a complex movement that commands specific muscles to do specific actions. It"s function is not just sensory - it also has functions in controlling finer voluntary movements: also functions in cognition that requires sensory and motor information. Large area in the front called the frontal association cortex: much larger in humans than in any other animal. Involved in executive functions: decision making, controlling behaviour, planning. Inhibition of inappropriate responses, especially in social situations: highest-order cortical areas, continuation of the motor cortex - but it is not directly involved in movement. But related to action, so an indirect connection. Enormous groove called the longitudinal fissure that separates the two hemispheres of the brain. The corpus collosum connects the two cerebral hemispheres.
