MOTOR AREAS Meaning and
Definition
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Motor areas refer to specific regions of the brain that are primarily associated with the control and coordination of voluntary movements. These areas are responsible for planning, initiating, and executing motor activities in the body. The motor areas receive information from other parts of the brain and body to generate signals that are transmitted to the muscles, enabling purposeful movement.
One of the key motor areas in the brain is the primary motor cortex, located in the precentral gyrus of the frontal lobe. It is primarily responsible for generating neural signals that control the body's voluntary movements. Another important motor area is the premotor cortex, which is involved in organizing and planning movements before initiation. Other motor areas include the supplementary motor area and the cingulate motor area, each contributing to different aspects of motor control.
Motor areas are intricately interconnected with other regions of the brain, including the sensory areas, basal ganglia, and cerebellum. These connections enable the integration of sensory information to guide motor behavior and maintain coordination. Dysfunction or damage to motor areas can result in various movement disorders, such as paralysis, tremors, or loss of coordination.
Researchers have made significant progress in understanding the functions of motor areas, utilizing neuroimaging techniques such as functional magnetic resonance imaging (fMRI) to identify and map these regions. This knowledge has not only aided in diagnosing and treating motor disorders but has also shed light on how the brain orchestrates voluntary movements.
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Etymology of MOTOR AREAS
The word "motor" comes from the Latin word "motorius", which means "pertaining to motion" or "that which imparts motion". It is derived from the Latin verb "movere", which means "to move".
The word "area" is derived from the Latin word "area", which signifies an open space or a level surface. It has been adopted into English directly from Latin.
Therefore, the term "motor areas" is a combination of these two words, referring to specific regions of the brain or the body that are responsible for controlling and initiating voluntary movements.
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