The brain and the nervous system control all the activities of thebody such as movement, thinking, senses as well as the memory. Thenerves play a critical role in the transmission of nerve impulsesfrom all parts of the body in form of impulses. When a person startsto age, several changes take place in the nervous system. Since thenerves start aging due to the accumulation of worn out nerve cell,the rates at which nerve impulses are transmitted begins to slowdown. As the nerves break down, waste products are likely to bedeposited on the brain and nerve tissues causing the formation oftangles and plaques on the abdomen of the brain. Excessive breakdownof nerves results in losing of reflex actions, low sensation andultimately difficulties in locomotion of an individual (Sorond etal., 2015). Generally, the memory and the rate of thinking slowdown but the rate at which this occurs varies across different peopleas aging occurs.
Dementia is a disease which is normally associated with continuedloss of cognition as a result of loss of neural cells. Thisspecifically affects memory, the rate at which one pays attention,problem solving and speech. The Alzheimer’s disease is also likelyto result as a result of neurodegeneration of the brain cells asaging progresses. The cognition ability reduces as one is unable toengage in the normal daily activities that they were accustomed to.The plaques formed as a result of deposition of materials to thebrain elicits inflammation as an immune response in the brain thusworsening the condition of the patient. It is therefore advisable forthe elderly people to keep themselves preoccupied with physical andmental activities in order to slow down the rate of degeneration ofthe neurons and reduce the severity of the aging symptoms to thenervous system.
Sorond,F. A., Cruz-Almeida, Y., Clark, D. J., Viswanathan, A., Scherzer, C.R., De Jager, P., & Ferrucci, L. (2015). Aging, the centralnervous system, and mobility in older adults: neural mechanisms ofmobility impairment. The Journals of Gerontology Series A: BiologicalSciences and Medical Sciences, glv130.