Basal ganglia: From the bench to the bed

Area of Science:

• Neuroscience
• Evolutionary Biology
• Developmental Neurology

Background:

• The basal ganglia (BG) are evolutionarily conserved vertebrate brain structures.
• They are anatomically distributed from the telencephalon to the mesencephalon.
• Evidence suggests BG involvement in behavioral routines and habit formation.

Purpose of the Study:

• To examine the organization and physiology of the basal ganglia.
• To elucidate the role of the basal ganglia in behavior control.
• To explore the link between basal ganglia disruption and childhood dystonic syndromes.

Main Methods:

• Review of basal ganglia organization and physiology.
• Analysis of evidence linking basal ganglia function to behavior.
• Examination of the role of the putamen and cerebellum in dystonia.

Main Results:

• The basal ganglia play a critical role in behavioral monitoring and habit formation.
• Disruption of the putamen is significantly associated with dystonic syndromes.
• The cerebellum also contributes, to a lesser extent, to these syndromes.

Conclusions:

• The basal ganglia are vital for controlling behavior and establishing habits.
• Putamen dysfunction is a key factor in the etiology of childhood dystonia.
• Understanding basal ganglia function offers insights into neurological disorders.