Basal Ganglia Quiz

Which nuclei are part of the basal ganglia?

• Thalamus

• Hippocampus

• Cerebellum

• Caudate nucleus

What is the primary role of the caudate circuit?

• Cognitive control of voluntary movements

• Inhibition of muscle tone

• Execution of motor activity

• Regulation of heart rate

Which neurotransmitter is secreted by the nigro-striatal pathway?

• Serotonin

• Acetylcholine

• Dopamine

• GABA

What is the function of the putamen circuit?

• Inhibition of muscle tone

• Cognitive control of movements

• Execution of voluntary movements

• Regulation of emotions

Which part of the basal ganglia is responsible for maintaining inhibition?

• Globus pallidus

• Putamen

• Caudate nucleus

• Substantia nigra

What disorder is associated with lesions in the nigro-striatal pathway?

• Hemiballismus

• Athetosis

• Parkinsonism

• Huntington's disease

Which neurotransmitter is primarily involved in the striato-nigral pathway?

• Dopamine

• Noradrenaline

• Acetylcholine

• GABA

What is the net effect of the basal ganglia on muscle tone?

• Stimulation of muscle tone

• Inhibition of muscle tone

• Increase muscle tone

• No effect on muscle tone

Which circuit is involved in controlling the timing and intensity of movements?

• Striato-pallidal circuit

• Nigro-striatal circuit

• Caudate circuit

• Putamen circuit

What is the role of the basal ganglia in voluntary movements?

• Processing sensory information

• Execution of involuntary movements

• Cognitive control and execution of voluntary movements

• Regulation of breathing