Sensory and motor differences between young and older adults: somatosensory contribution to postural control. Diana R. Barela II. Correspondence to. Key words: proprioceptive system; postural control; aging. The increase in the older adult population has been occurring at unprecedented rates. Projections indicate that by the elderly population will reach 2 billion people worldwide 1. Along with these demographic changes, diseases associated with ageing will represent a burden to society, for example by an increase in demand for health services.
Your account is not active. We have sent an email to the address you provided with an activation link. Check your inbox, and click on the link to activate your account. So, he did what you normally do in these situations. Ask Twitter about it. More info: Twitter. Image credits: BMcCarthy Image credits: rockiepie Image credits: DickBuffman A study of nearly one thousand year-olds revealed that while most had biological ages close to the number of birthdays they had notched up, others were quite younger or older.
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Imagine, for a moment, that you had no birth certificate and your age was simply based on the way you feel inside. How old would you say you are? Like your height or shoe size, the number of years that have passed since you first entered the world is an unchangeable fact. Scientists are increasingly interested in this quality. Various studies have even shown that your subjective age also can predict various important health outcomes , including your risk of death. Given these enticing results, many researchers are now trying to unpick the many biological, psychological, and social factors that shape the individual experience of ageing — and how this knowledge might help us live longer, healthier lives. This new understanding of the ageing process has been decades in the making. Some of the earliest studies charting the gap between felt and chronological age appeared in the s and s. That trickle of initial interest has now turned into a flood.
Since the second half of the 20th century survival has been democratised in most countries. More and more people reach an advanced age. The objective of this paper is to discuss how phases of the life cycle are being re-defined in the context of a world in transformation: the universalization of social security that guarantees income for older people; technological advances that have increased the velocity of communication and the demand for continuing education; medical advances; and changes in family organization such as an increase in divorce rates, re-marriage and unions between people of the same sex. Even so, the biological changes that accompany ageing have not changed since Antiquity, in spite of hopes for a longer life. These changes occur later in life and more people live through them. Yet people continue to retire at more or less the same age.