Billions of nerve cells form the brain and generate electric currents but at the cell to cell interface the message is transmitted chemically. She explained how new information memory compared with old well-learned memory. How factual memory compared to skilled memory, like typing. All these are headquartered at the inside part of the temporal lobe of the brain behind the skull's bony archway joining your ear to your eye. Many scattered parts of the brain, however, are used in remembering.
Visual memory involves the right side of the brain and verbal the left side.
Lack of concentration leads to poor remembering. About half of the older people with serious memory problems have Alzheimer's and they are not aware of their loss. There are other losses too in Alzheimer's Disease. The new CAT scanner called the PET scan which shows where energy molecules are used normally shows plenty of activity. The other half of the population with memory loss can be due to one of a dozen or more diseases such as multiple strokes or thyroid problems that will benefit from diagnosis and treatment.