Answer :
The substrate providing energy for the brain of the infant experiencing seizures and diagnosed with GLUT 1 deficiency is: ketone bodies.
Seizures are the sudden disturbances in the brain due to uncontrolled electrical disturbances. Seizures can affect the emotional behavior, feelings etc. of the affected person. The electrical disturbances are due to the interruption in the connections of the nerve cells.
Ketone bodies are produced by the fatty acids. These are water soluble and have the potential to replace glucose as the main fuel of the body for energy requirements. This can occur due to prolonged fasting, diabetes, extensive exercise, etc.
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