Functions of the Cerebellum, Lobes and Hemispheres

by Craig Canby, PhD

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    Welcome to this presentation on the cerebellum. First, what I want you to understand is the functions that relate to the cerebellum. We see the cerebellum in the image right in through here. One of the primary functions of the cerebellum is to modify motor output to ensure that it is smooth and moving in the right direction. It’s also involved in the maintenance of our balance and posture. It helps to coordinate our voluntary movements. It’s involved also in motor learning or motor skill learning. How to ride a bicycle, how to tie shoes are simple examples of motor learning. It’s also involved in cognitive functions. Next, I want you to understand the fact that the cerebellum is divided into lobes. We have a colored view of three lobes of the cerebellum. This is a sagittal view. The first lobe to identify is the anterior lobe. It’s identified by the number one in the light green area. The posterior lobe is the larger of the three lobes in this view and you can see it in the pinkish-red area. Then the third is much smaller in contrast to the larger anterior and posterior lobes. That’s identified here in the orange area. This is referred to as the flocculonodular lobe. Here is another view. This is an anterior view of the lobes. Here is the anterior lobe in through here and on the opposite side. The flocculonodular lobes are these extensions that we see here where it’s labeled. This is the opposite flocculonodular lobe over here. The large posterior lobes are shown here and over here. Then a division between the lobes in the midline is this structure referred to as the vermis and that extends here as well. The cerebellum can also be divided into hemispheres. We’re going to...

    About the Lecture

    The lecture Functions of the Cerebellum, Lobes and Hemispheres by Craig Canby, PhD is from the course Cerebellum. It contains the following chapters:

    • Cerebellum – Functions
    • Lobes
    • Hemispheres

    Included Quiz Questions

    1. …Truncal ataxia
    2. …Sensory ataxia
    3. …Friedreiche’s ataxia
    4. …Idiopathic ataxia
    5. …Limb ataxia
    1. Vermis
    2. Left cerebellar hemisphere
    3. Intermediate hemisphere
    4. Flocculonodular lobe
    5. Right cerebellar hemisphere
    1. …Dysmetria
    2. …Dysarthria
    3. …Agraphia
    4. …Alexia
    5. …Dysdiadochokinesia
    1. Tremor
    2. Nystagmus
    3. Dysmetria
    4. Hypotonia
    5. Ataxia of extremities

    Author of lecture Functions of the Cerebellum, Lobes and Hemispheres

     Craig Canby, PhD

    Craig Canby, PhD

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