Alzheimer S Brain Vs Normal Brain
Normal brain aging vs.
Alzheimer s brain vs normal brain. The cerebellum is located at the back of the head just below the brain. Dementia is the term for a group of symptoms that occur when the brain is damaged by diseases. There is simply no way to. Shrinkage is especially severe in the hippocampus an area of the cortex that plays a key role in forming new memories.
Ventricles fluid filled spaces within the brain grow larger. It is the part that controls cognitive functions such as problem solving remembering thinking. These diseases can cause a significant decline in a person s mental abilities or cognitive function our capacity for things like memory thinking and. It controls the ability to balance and controls general.
The grooves or furrows in the brain called sulci plural of sulcus are noticeably widened and there is shrinkage of the gyri plural of gyrus the well developed folds of the brain s outer layer. Alzheimer s disease is a type of. We know that you lose one third of your. The cortex shrivels up damaging areas involved in thinking planning and remembering.
The brain of an alzheimer s patient is considerably smaller than the brain of a healthy individual. Alzheimer s disease shrinks the brain. The cerebrum is the largest part of the brain. This includes alzheimer s disease or diseases of the blood vessels that can cause a stroke.
Aging with alzheimer s and other dementias. Alzheimer s and dementia normal aging in the brain. Unfortunately a significant portion of the population will be stricken with. In the alzheimer s brain.
Alzheimer s disease is not normal aging said heather snyder senior associate director of medical and scientific relations at the alzheimer s association. In fact the brain shrinks down to as little as one third its normal size as the disease progresses. Medical scientists who examine the brain affected by alzheimer s through microscopic slides will often notice changes that differentiate it from that of a normal brain. In alzheimer s disease there is an overall shrinkage of brain tissue.
The cross section on the left represents a normal brain and the one on the right represents a brain with alzheimer s disease.