The slow or shuffling gait is caused by gradual progressive loss of control over moments due to inadequate (decreased) levels of the neurotransmitter dopamine in the brain.
What is are neurotransmitters?
These are body's chemical messangers which are released at the end of a nerve fibre by the arrival of a nerve impulse and, by diffusing across the synapse
So therefore, the slow gait is caused by gradual progressive loss of control over moments due to inadequate (decreased) levels of the neurotransmitter dopamine in the brain.
Learn more about neurotransmitters:
https://brainly.com/question/12718731
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