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What are the only neurons of cerebellar cortex that send their axons outside of cerebellar cortex?
purkinje cells
The cortex is divided into two sections referred to as?
The cortex is divided into two sections referred to as the cerebral cortex and the cerebellar cortex.
Cerebellar hemispheres are separated by a band of cortex called?
vermis
What are the only excitatory neurons in cerebellar cortex?
Granule cells are the only excitatory neurons in the cerebellar cortex. They receive input from mossy fibers and synapse onto Purkinje cells and Golgi cells.
What is the gray matter on the surface of the brain called?
Grey matter is distributed at the surface of the cerebral hemispheres (cerebral cortex) and of the cerebellum (cerebellar cortex), as well as in the depths of the cerebrum (thalamus; hypothalamus; subthalamus, basal ganglia - putamen, globus pallidus, nucleus accumbens; septal nuclei), cerebellar (deep cerebellar nuclei - dentate nucleus, globose nucleus, emboliform nucleus, fastigial nucleus), brainstem (substantia nigra, red nucleus, olivary nuclei, cranial nerve nuclei) and spinal grey matter (anterior horn, lateral horn, posterior horn).
Is Huntington's Disease a defect of the cerebellar cortex?
No. Huntington's Disease is a pathological process affecting subcortical structures, not the cerebellar cortex. It does cause generalized atrophy of the cerebral cortex, over time, however. It is a genetic disorder, autosomal dominant in its transmission process, and occurring on chromosome number 4.
The cerebellar hemispheres are separated by a band of cortex called?
corpus callosum
Does the cortex of the cerebellum consist of gray or white matter?
Yes. Your cerebellum is actually made up of very tightly folded outer layer of grey matter, and you can find the white matter lies underneath it.
What is the function of cerebellar peduncles of the hindbrain?
The cerebellar peduncles are fiber tracts that connect the cerebellum to the brainstem. They serve as the main communication pathways for transmitting information between the cerebellum and other parts of the brain, such as the cerebral cortex, spinal cord, and brainstem. This communication is essential for coordinating motor movements, balance, and posture.
What spinal tract damage tremors jerky movements?
Damage to the cerebellar pathways can result in tremors and jerky movements. Specifically, damage to the spinocerebellar pathway or cerebellar cortex can lead to uncoordinated and irregular movements. These movements are often seen in conditions such as cerebellar ataxia.
What are the key differences between the frontal cortex and the prefrontal cortex in terms of their functions and roles in cognitive processes?
The frontal cortex is a larger region of the brain that includes the prefrontal cortex. The prefrontal cortex is specifically responsible for higher-level cognitive functions such as decision-making, planning, and impulse control. It plays a crucial role in executive functions and social behavior. The frontal cortex, on the other hand, is involved in a wider range of functions including motor control, language, and emotion regulation.
Connects cerebellar hemispheres at midline?
It is the cerebellar vermis.
