Anatomy & Physiology › Section M · Somatic and autonomic nervous systems › Topic M.3
Motor responses and reflexes
Picking up a cup feels effortless, yet it runs through a chain from planning areas of the frontal lobe down to single motor neurons in the spinal cord. Reflexes take a shortcut through the same final neurons, which is why clinicians can use them to test the system piece by piece.
In this topic
- A chain of command
- Motor areas of the frontal lobe
- The corticospinal and corticobulbar tracts
- Worked example: a stroke in the hand area
- Modulating movement
- Lower motor neurons: the final common pathway
- The reflex arc
- The stretch reflex
- Worked example: stepping on a tack
- The corneal and other cranial reflexes
- Common mistakes to avoid
- Key takeaways
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