by Craig Canby, PhD

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      Slides 16 Diencephalon BrainAndNervousSystem.pdf
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    00:00 Next and final structure is the subthalamus. This structure is not shown but I do want you to understand the function of the subthalamus. This is a structural member of the basal ganglia.

    00:19 So as a result, it’s going to help to control motor movements in their precision during voluntary movements. If there’s a lesion of the subthalamus, this lesion would result in a contralateral hemiballism. What are some of the potential causes of a lesion of the subthalamus? There are four that I want you to know. One may be vascular in cause, a stroke for example.

    00:52 HIV infection can also cause a lesion of the subthalamus. Another possible cause is tumors or neoplasms. These are always a consideration when we’re thinking about lesions of brain structures. Then our last possible cause is somewhat of an unusual cause that could result in a lesion of the subthalamus and that is nonketotic hyperglycemia.

    About the Lecture

    The lecture Subthalamus by Craig Canby, PhD is from the course Diencephalon.

    Included Quiz Questions

    1. Hemiballismus
    2. Hemiplegia
    3. Hemineglect
    4. Hemianopsia
    5. Hemiparesis
    1. Basal ganglia
    2. Cerebrum
    3. Medulla oblongata
    4. Cerebellum
    5. Internal capsule

    Author of lecture Subthalamus

     Craig Canby, PhD

    Craig Canby, PhD

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