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WordNet-Online
Definitions from WordNet
Noun motor cortex has 1 sense
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Definitions from the WebMotor CortexThe motor cortex refers to a region in the brain responsible for planning, controlling, and executing voluntary movements. It plays a crucial role in coordinating motor functions and transmitting signals to the muscles. The motor cortex can be divided into two main areas: the primary motor cortex and the supplementary motor area. Primary Motor CortexThe primary motor cortex, located in the frontal lobe, is involved in the initiation and execution of voluntary movements. It receives input from other areas of the brain and sends signals to the muscles through the spinal cord, enabling precise and coordinated movements. Damage to the primary motor cortex can result in difficulties with movement control. Supplementary Motor AreaThe supplementary motor area, located adjacent to the primary motor cortex, is involved in the planning and coordination of movements. It assists in the initiation of complex movements, sequences, and the anticipation of upcoming actions. Dysfunction in the supplementary motor area can cause impairments in motor planning and coordination. Sample Sentences
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