“…That observation that Alzheimer's people have drastically reduced living variety, they tend not to socialize as much as people who are resistant to Alzheimer's, that started me thinking about the general range of stimulation and animal studies beyond simple more or less voluntary isolation that old people often develop the habit of just staying at home and watching television or something. Beyond that, animal studies did various things, isolation at different ages, separating the baby animals from their mothers right after weaning, giving them solitary confinement until they're middle-aged,”