The Brain: The Cerebellum

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Presentation transcript:

The Brain: The Cerebellum By: Olivia Parker, Valerie Vargas, Jonathan Willis, Jacklyn Palacios, Emily Herberg

Location of the Cerebellum Located at the bottom toward the back of the brain (touches brain stem) Important but very small (tenth of the weight in proportion to whole brain) Holds half the brain neurons https://www.healthline.com/human-body- maps/cerebellum

What are the functions of the cerebellum? The cerebellum receives information from the sensory systems, spinal cord, and other parts of the brain. Functions: -Responsible for muscle coordination and smoothing out movement -Maintenance of balance, equilibrium -motor learning -Cognitive learning

How Can the Cerebellum Become Damaged There are many different ways the cerebellum can become damaged: Traumatic brain injury Alcohol abuse Some forms of cancer A lot of the damage happens because of blood flow interruption to that part of the brain. http://m.wisegeekhealth.com/what-are-the- common-causes-of-cerebellum-damage.htm

There are also a number of degenerative diseases and progressive disorders that can cause damage to the cerebellum. Multiple Sclerosis Transmissible spongiform encephalopathies Acute and hemorrhagic strokes Cerebellar cortical atrophy https://rarediseases.info.nih.gov/diseases/6019/cerebellar- degeneration

What happens when the cerebellum gets damaged? No motor coordination Cerebellitis Severity depends on how much tissue has been damaged Movement tremors Gait abnormality https://www.neuroskills.com/brain-injury/cerebellum.php

How can drugs affect the cerebellum? (Valerie Vargas) Cerebellum’s response to a drug is how movement is affected Cerebellum has many THC receptors Mixing marijuana with alcohol can also affect movement Alcohol can affect movement temporarily Chronic consumption of alcohol can lead to long term effects Consuming alcohol during pregnancy can affect baby’s cerebellum (Alcohol and Cerebellum)

Living without the cerebellum One woman suffered from nausea and dizziness She discovered she was missing her cerebellum She has trouble with walking steadily She had speech problems until she was six The missing cerebellum is instead filled with “cerebrospinal fluid” https://www.newscientist.com

Testing for a damaged cerebellum Nerve Conduction Study Electromyography (EMG) Spinal Tap Complete Blood Count CT/MRI Scan Urinalysis Ultrasound https://www.youtube.com/watch?v=Imu1kk_gOKA#action=share

Treating a damaged cerebrum Surgery Antibiotics (infectious cause) Blood Thinners (stroke cause) Medications

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