Memory allows us to preserve and later recover information in our minds. This complex system wraps up factual information with physical sensations, emotions, and interpretations that build an understanding of the world and ourselves, which is why deteriorating memory functionality can be so terrifying. Many things can affect our memory—experience, illness, age, stories, feelings, and sensation triggers—and we can help keep our memory functioning well through exercises and lifestyle choices that promote overall brain health.
What we do know about the brain is that it gets less sharp and productive with age. In this clip from our Alzheimers and dementia series, the doctor asks Kyle example questions from a mental screening test for dementia called "the mini cognitive assessment."