Alar central lobule

Alar central lobule is a part of the cerebellum, specifically located in the anterior lobe of the cerebellum. It is a small, centrally located lobule that plays a crucial role in the coordination of voluntary movements and motor learning.

Anatomy

The alar central lobule is situated in the anterior lobe of the cerebellum, which is the part of the brain responsible for coordinating voluntary movements. It is surrounded by the primary fissure anteriorly and the precentral fissure posteriorly. The alar central lobule is composed of two parts: the culmen and the declive.

Function

• The alar central lobule, like other parts of the cerebellum, plays a crucial role in the coordination of voluntary movements. It receives input from the spinal cord, brainstem, and cerebral cortex, and sends output to the motor cortex and brainstem. This allows it to integrate sensory information and coordinate the timing and force of movements.
• In addition to its role in movement coordination, the alar central lobule is also involved in motor learning. It helps to fine-tune movements and adapt them based on feedback from the environment.

Clinical significance

Damage to the alar central lobule can result in a variety of movement disorders, including ataxia, dysmetria, and tremor. These conditions can significantly impact a person's ability to perform daily activities and maintain independence.

See also

• Cerebellum
• Anterior lobe of cerebellum
• Culmen
• Declive