# Globus Pallidus - Function

Function

The globus pallidus is a structure in the brain which is involved in the regulation of voluntary movement. It is part of the basal ganglia, which, among many other things, regulate movements which occur on the subconscious level. If the globus pallidus is damaged, it can cause movement disorders, as its regulatory function will be impaired. There may be cases in which damage is deliberately induced, as in a procedure known as a pallidotomy, in which a lesion is created to reduce involuntary muscle tremors. When it comes to regulation of movement, the globus pallidus has a primarily inhibitory action which balances the excitatory action of the cerebellum. These two systems are designed to work in harmony with each other to allow people to move smoothly, with even, controlled movements. Imbalances can result in tremors, jerks, and other movement problems, as seen in some people with progressive neurological disorders characterized by symptoms like tremors. The basal ganglia act on a subconscious level, requiring no conscious effort to function. When someone makes a decision to engage in an activity such as petting a cat, for example, these structures help to regulate the movement to make it as smooth as possible, and to respond to sensory feedback. Likewise, the globus pallidus is involved in the constant subtle regulation of movement which allows people to walk, talk, and engage in a wide variety of other activities with a minimal level of disruption.

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### Famous quotes containing the word function:

“... The state’s one function is to give.
The bud must bloom till blowsy blown
Its petals loosen and are strown;
And that’s a fate it can’t evade
Unless ‘twould rather wilt than fade.”
Robert Frost (1874–1963)

Science has fulfilled her function when she has ascertained and enunciated truth.
Thomas Henry Huxley (1825–95)

Our father has an even more important function than modeling manhood for us. He is also the authority to let us relax the requirements of the masculine model: if our father accepts us, then that declares us masculine enough to join the company of men. We, in effect, have our diploma in masculinity and can go on to develop other skills.
Frank Pittman (20th century)