6️⃣ Motor Cortex
🔹 Disorders: Focal motor seizures, apraxia, myoclonus
🔹 Clues: Cortical signs, seizures, contralateral weakness
🔹 Common causes: Stroke, tumors, encephalitis
7️⃣ Peripheral Nerves
🔹 Disorders: Fasciculations, weakness, occasional tremor
🔹 Clues: LMN signs including atrophy and fasciculations
🔹 Common causes: Peripheral neuropathy, entrapment, motor neuron disease
8️⃣ Neuromuscular Junction / Muscle
🔹 Disorders: Fatigable weakness, myopathies
🔹 Clues: Ptosis, diplopia, proximal weakness, fatigability
🔹 Common causes: Myasthenia gravis, inflammatory myopathies, muscular dystrophies
