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basal ganglion

basal ganglion

1 8.2
A group of brain cells deep inside the brain that help control movement you do on purpose
  • noun
  • /ˈbeɪsəl ˈɡæŋɡliən/
  • Specialized
translation icon : ganglio basal
  • The basal ganglia are widely recognized as a network of nuclei supporting the planning and execution of movement.

And those brain circuits are the basal ganglia.

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Examples

  • The central pathology of PD is the progressive degeneration of dopaminergic cells of the substantia nigra of the basal ganglia.

    Academic text (2011)
  • Spontaneous and cognitive creativity involve the basal ganglia of the brain.

    Blog text (26)
  • And here are the basal ganglia, these deep nuclei of the brain.

  • The pattern of results provides additional evidence of basal ganglia involvement in the programming and coordination of speech movement sequences.

    Academic text (2011)
  • Our understanding of basal ganglia function has evolved, in part, through research from the last two decades of individuals with neurological diseases such as PD.

    Academic text (2011)
  • Other conditions causing progressive nervous system degeneration, such as Lewy body dementia, can also cause parkinsonism, as they can damage the basal ganglia.

    Academic text (2011)
  • It is widely accepted that lesions to the basal ganglia resulting from PD disrupt speech production.

    Academic text (2011)
  • Endogenous opioids are concentrated in structures of the basal ganglia and are known to interact with central dopaminergic neurons.

    Academic text (1997)
  • After the series of tests, the researchers had the students' brains scanned using magnetic resonance imaging technology, focusing on the basal ganglia structure and function of the brain.

    Academic text (2014)
  • The basal ganglia play a crucial role in regulating voluntary movements through a network of interconnected structures in the brain.

Surface Forms

basal ganglion singular
basal ganglia plural

Morphology

basal + ganglion

The term is compositionally regular: 'basal' (relating to a base or foundational part) modifies 'ganglion' (a cluster of nerve cells), so a learner who knows both words can infer it denotes a ganglion located at the base/deep part of the brain involved in movement. It is a technical biomedical term but its meaning is directly derivable from the constituents rather than being idiomatic.

Etymology

Basal ganglion comes from its parts: basal means 'base' and ganglion means 'a knot or group of nerve cells'. The name makes a simple picture of a group deep inside the brain that helps 'control movement', so it now refers to those deep brain groups that guide voluntary actions.