It had run this maze dozens of times and currently it took it 55 seconds to reach the end. But five minutes after massaging the drug in, Eric put Neville in the maze and hit the start button on his watch. The mouse was totally lost. It took over 5 minutes to find the cheese and then only by accident. After several other tests it was clear the mouse had regressed, but otherwise had no ill side effects, no twitiching or agitation, nothing. Eric took down his notes and forwarded them to Dr. Tyler then left for the night.

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