Only a few reports exist of plasma amino acid profiles in the oldest-old, and none exist of the oldest-old with cognitive problems. Therefore, we measured fasting plasma amino acid concentrations in twenty-three healthy community-dwellers aged 90-103 years (group A); eighteen community-dwellers with mild cognitive impairment without dementia aged 91-104 years (group B); thirty-three patients wi...

OBJECTIVE Little is known about the relationship of executive functioning with age-related increases in response time (RT) distribution indices (intraindividual standard deviation [ISD], and ex-Gaussian parameters mu, sigma, tau). The goals of this study were to (a) replicate findings of age-related changes in response time distribution indices during an engaging touch-screen RT task and (b) in...

background and aim: research shows that 13-18 percent of the people suffer from tinnitus, almost 5 percent of which, have chronic or bothersome tinnitus. chronic tinnitus may be accompanied by anxiety, depression, insomnia, and impairment in cognitive functions such as memory and attention. the purpose of this study was to compare the verbal auditory memory and divided attention between individ...

Adults believe that plagiarizing ideas is wrong, which requires an understanding that others can have ideas and that it is wrong to copy them. In order to test when this understanding emerges, we investigated when children begin to think plagiarism is wrong. In Study 1, children aged 7, 9 and 11 years old, as well as adults, disliked someone who plagiarized compared to someone who drew an origi...

With an activity inventory designed specifically for use among elderly people, detailed profiles of customary physical activity were obtained from 507 old (aged 65-74 years) and 535 very old (aged 75 years and over) individuals randomly sampled from the community. Participation in four categories of activity was assessed: outdoor productive activities; indoor productive activities; leisure acti...

Old-age and survivors insurance and two of the public assist ance programs-old-age assistance and aid to dependent children-have 4 common purpose in that they are income-maintenonce programs for aged persons and for children. For this reason the concurrent receipt of both types of payment has been a matter of continuing interest, and information on that subject has been reported annually in the...

measuring health related quality of life of old people has become an important public health issue with the aging of population in developing countries. the aim of this study was to examine the health related quality of life of old people living in bandar abbas, iran. this was a population-based study in which a random sample of 1000 individuals of the community aged over 60 years were intervie...

There are some conflicts about constancy of conduction velocity (CV) in a given tract of nervous system. By recording excitatory postsynaptic currents (EPSC) in layer IV of the somatosensory cortex we tried to clear changes in CV of thalamocortical tract of mice aged 3 to 50 days old. Field potentials and EPSC were recorded in the layer IV by stimulation of ventrobasal nucleus of thalamus (VB) ...

objective: the objectives of the study were to find out the prevalence of depression and to identify associated risk factors among community dwelling elderly in karachi. methods: it was a cross-sectional, descriptive study involving 284 community-dwelling elderly residing in karachi, pakistan. a non-probability convenience sampling was done. the geriatric depression scale (gds-15) was used to a...

This study used a video-based hazard perception dual task to compare the hazard perception skills of young drivers with middle aged, more experienced drivers and to determine if these skills can be improved with video-based road commentary training. The primary task required the participants to detect and verbally identify immediate hazard on video-based traffic scenarios while concurrently per...