[Solved] What are the findings of the research conducted by Edward Donnerstein and his colleagues about the relationship between pornography and sexual behavior? Cognitive Changes: Refers to the alterations in cognitive functions such as memory, problem-solving, and attention that occur as a part of aging or due to neurological conditions. African-Americans: A term referring to Americans of African descent, especially those whose ancestors were enslaved and brought to the United States. Alzheimer's Disease: A progressive neurodegenerative disease that affects memory, thinking, and behavior, ultimately leading to severe cognitive decline. Empty Nest Syndrome: A feeling of grief and loneliness parents may feel when their children leave home for the first time, such as to live on their own or attend college.