Physiology Revision long

What does EPSP stand for?

• Exclusive postsynaptic potential

• Excitatory postsynaptic potential

• Erratic postsynaptic potential

Which neurons innervate the muscle spindle?

• Alpha neurons

• Beta neurons

• Gamma neurons

Voluntary movement is initiated in the …

• Motor cortex

• Occipital cortex

• Temporal cortex

What is a somatotopic map?

• The removal of body parts by the motor/sensory cortex

• The representation of body parts across the motor/sensory cortex

• The inhibition of body parts by the motor/sensory cortex

What stage of movement generation is the premotor cortex involved in?

• Execution of movement

• Inhibition of movement

• Preparation of movement

Where do the majority of layer 5 primary motor cortex neurons project to?

• Hippocampus

• Spinal cord

• Amygdala

Activating the direct pathway of the basal ganglia leads to…

• Inhibition of the motor cortex

• Excitation of the motor cortex

• Excitation of the cerebellum

Which brain areas are part of the basal ganglia?

• Cerebellum, Substantia nigra, Putamen

• Amygdala, Striatum, Putamen

• Putamen, Substantia nigra, Putamen

Which brain structures provide major inputs to the motor thalamus?

• Motor cortex, Cerebellum, Basal ganglia

• Motor cortex, Amygdala, Basal ganglia

• Motor cortex, Hippocampus, Amygdala

What is the main pathology in Parkinson’s Disease?

• Degeneration of inhibitory neurons in the basal ganglia

• Degeneration of dopaminergic neurons in the substantia nigra

• Degeneration of layer 5 neurons in the motor cortex