Neuroanatomy
How to study neuroanatomy: making the tracts click.
Neuroanatomy is my favourite subject. That is mostly because I had a brilliant teacher who explained it in the simplest way possible. Most students meet it differently: a wall of names, then tracts that cross over at different levels. The good news is that neuro has a logic. Once you learn it in the right order, it stops being a list and starts making sense.
The short answer
Study neuroanatomy from the outside in: start with the lobes of the brain, then the fissures and sulci that separate them, then each part in detail. For tracts, draw every one as a flowchart and quiz yourself on three things: what the tract carries, where each neuron (first, second and third order) sits, and where it crosses.
Start with the map: lobes, then fissures and sulci
Many students open their notes at whatever the lecture covered and get lost in names. Build the map first.
- The lobes: frontal, parietal, temporal and occipital. Know roughly what each one does.
- The borders between them: the longitudinal fissure splits the two hemispheres, the central sulcus separates the frontal and parietal lobes, and the lateral sulcus sits above the temporal lobe.
- Then the detail: one part at a time, always placed back on the map.
When every new structure has a place on the map, you remember it as “the one next to” something you already know, not as a random name.
Draw every tract as a flowchart
Tracts are where most students struggle, and every health-science student who takes neuro has to learn them. Reading tract descriptions doesn’t work, because a tract is a journey, and text hides the route.
Draw each one as a flowchart: where it starts, where it synapses, where it crosses to the other side, and where it ends. Then study from your flowcharts, not your notes.
Example: two sensory tracts side by side
Drawn as flowcharts, these two tracts look similar, and the one difference is exactly what exams test.
- Dorsal column pathway (fine touch, vibration, position sense): first-order neuron enters the spinal cord and travels up the same side → synapses in the medulla → second-order neuron crosses in the medulla → thalamus → third-order neuron to the sensory cortex.
- Spinothalamic tract (pain and temperature): first-order neuron synapses in the spinal cord as soon as it enters → second-order neuron crosses in the spinal cord → thalamus → third-order neuron to the sensory cortex.
Both pathways cross, but at different levels: the dorsal column crosses in the medulla, the spinothalamic tract crosses in the spinal cord. That is why a spinal cord injury on one side can affect touch on that side and pain on the opposite side. Draw both flowcharts next to each other and the difference is obvious.
The 3 questions to ask about every tract
Once your flowcharts are drawn, cover them and ask yourself:
- What does this tract carry?
- Where are the first-, second- and third-order neurons?
- Where does it cross?
Ask them while you study, and again after the lecture. This is how you retain neuro: lots of questions, asked again and again, until the answer comes without the flowchart.
For more on why this works, read active vs passive studying.