![]() The cerebral cortex forms extensive connections and is involved in multitudinous brain functions. It is the most prominent visible feature of the human brain, and although it is only a few millimeters thick, it comprises about half of the weight of the brain. Cerebral CortexĬortex means "bark" in Latin and appropriately the cerebral cortex is the outermost layer of the brain, made up primarily of grey matter. The frontal lobe also contains Broca's area (expressive language area) which is controls speech and the frontal eye fields that help direct eye movements. The medial prefrontal cortex, orbitofrontal area, and the medial frontal area are responsible for motivation and social information processing and regulating emotions, behavior, and personality. The main crossing location of these motor fibers occurs in the brainstem. The left side of the brain controls movement for the right side of the body, and vice-versa. The primary motor cortex controls the majority of movement. It is primarily responsible for the planning and execution of actions as well as inhibition. The frontal lobe is the largest area of the brain. The occipital lobe is critical for vision and visual processing. ![]() ![]() The parietal lobe is critical for sensory processing. ![]() The temporal lobe is critical for auditory processing and visual and language memory. The frontal lobe is critical for motor execution and eye movement. On a broad level, the cerebral cortex is divided into four main areas (termed lobes). The "brain" as we tend to refer to it is a structure of densely packed nerve cells (neurons) called the cerebral cortex. ![]()
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