DALLAS: About half of all patients with Alzheimer’s disease develop symptoms of psychosis, such as delusions or hallucinations.
But the pathological mechanisms that underlie psychotic symptoms are unclear, limiting the ability to manage and treat them. Some studies have suggested they are related to the underlying causes of Alzheimer’s disease such as the protein deposits found in the brains of Alzheimer’s patients, but others found no correlation.
A study has found that cerebrovascular disease is a major determinant of psychosis in people with Alzheimer’s disease. Cerebrovascular disease is a group of conditions that restrict the circulation of blood to the brain…