Dr - Najeeb Neuroanatomy Notes

And with that, the lights come on. You look at your notes: a single hand-drawn corticospinal tract, crossing at the medulla, synapsing on an anterior horn cell, reaching a muscle. And you realize—the deepest story is the one you can draw from memory, and then walk to a patient's bedside and see it living or dying in their body.

These sections focus on the "loops" of movement. The notes help clarify the direct and indirect pathways, making disorders like and Huntington’s disease much easier to differentiate. 4. The Limbic System and Cerebral Cortex dr najeeb neuroanatomy notes

| Feature | UMN Lesion (e.g., stroke) | LMN Lesion (e.g., nerve cut) | |--------|----------------------|----------------------| | Tone | Spastic | Flaccid | | Reflexes | Hyperreflexia | Hyporeflexia | | Babinski | Present (upgoing toe) | Absent (downgoing) | | Atrophy | None (late, from disuse) | Severe, early | | Fasciculations | No | Yes | And with that, the lights come on