The spelling of the word "motor area" can be explained using the International Phonetic Alphabet (IPA) transcription. The word is pronounced as /ˈmoʊ.tər ˈɛr.i.ə/ with the stress placed on the first syllable. The "m" sound is followed by a long "o" sound, while the "t" and "r" sounds are pronounced distinctly. The final syllable contains a schwa sound (/ə/) followed by the "r" sound and the short "i" sound. Overall, this word reflects the complexity of English spelling rules and the importance of phonetic transcription.
Motor area refers to a specific region or a group of brain regions responsible for the initiation, coordination, and control of voluntary movements in the body. It is a key component of the motor cortex, located in the frontal lobe of the brain. The motor area is involved in the planning, execution, and modulation of both simple and complex motor behaviors.
Within the motor area, there are two main subdivisions: the primary motor cortex (also known as M1) and the supplementary motor area (SMA). The primary motor cortex is primarily responsible for the initiation and execution of voluntary movements, with each area controlling specific parts of the body. It receives information from other brain regions and translates signals into appropriate motor actions.
The supplementary motor area, on the other hand, is involved in the organization and coordination of motor actions, particularly for more complex and sequential movements. It contributes to the planning and initiation of movements, as well as the integration of sensory feedback to refine motor control.
The motor area plays a crucial role in motor learning and adaptability. Through practice and repetition, the motor area can refine motor skills and allow for more precise and coordinated movements. Dysfunction or damage to the motor area can result in various motor impairments, such as muscle weakness, loss of coordination, or difficulties in initiating movements.
In summary, the motor area encompasses brain regions responsible for voluntary movement control. It consists of the primary motor cortex and the supplementary motor area, working together to plan, execute, and refine motor actions throughout the body.
• The cortical portion of the brain embraced in the frontal and parietal ascending convolutions.
• The cerebral cortex of the ascending frontal and parietal convolutions.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
The word "motor" comes from the Latin word "motorius", which means "mover" or "driver". The term "area" has its roots in Latin, where it denotes a vacant piece of land or a room. Therefore, "motor area" refers to a specific region within the brain that is responsible for controlling movement and motor functions.