Oliver Sacks on what hallucination says about our minds
Oliver Sacks on How Much a Dementia Patient Needs to Know
https://www.newyorker.com/magazine/2019/03/04/how-much-a-dementia-patient-needs-to-know
https://www.newyorker.com/magazine/2019/03/04/how-much-a-dementia-patient-needs-to-know