This is stated on page 176 of Dr. Brooks' book. The Brain, It Can Cause Seizures And Epilepsy. This is very possible today. Dr. Brooks shows a picture on page 179 of the brain of a 40 year-old man who died from myocardial failure. Another problem that the pork tapeworm can cause is epilepsy.
Symptoms depend on the number and location of the larva in the brain.
One of the most frequent manifestations is epileptiform seizure, sometimes referred to as verminous epilepsy. The fish tapeworm is the largest of the human tapeworms. A fully developed worm may reach the length of 33 feet or more. There can be 3,000 to 4,000 segments in one worm. The adult fish tapeworm may live in man for 20 years or more.