Signs of Cerebellar dysfunction & How to examine them (with mnemonic)
The cerebellum is a major part of the brain located in the posterior cranial fossa, behind the pons and medulla oblongata. It is the largest part of the hindbrain and sits astride the main sensory and motor systems in the brainstem. Image of cerebellum (purple colored) - From Wikipedia The signs of Cerebellar dysfunction can be memorized with the mnemonic "DANISH" . D - Dysdiadochokinesia, Dysmetria A - Ataxia N - Nystagmus I - Intention tremor S - Slurred speech H - Hypotonia Let's discuss more about the signs in detail and ways to examine it on a patient. Signs of Cerebellar Dysfunction and how to examine them Dysdiadochokinesia Dysdiadochokinesia is the inability to perform rapidly alternating opposite movements in a regular and coordinated manner . This difficulty arises when the motor control system fails to accurately predict the position of different body parts during rapid movements. As a result, the subseq...
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