Ageing Pattern (ageing + pattern)

Distribution by Scientific Domains


Selected Abstracts


Changes in explicit memory associated with early dementia in adults with Down's syndrome

JOURNAL OF INTELLECTUAL DISABILITY RESEARCH, Issue 3 2002
S. J. Krinsky-McHale
Abstract Background A modified version of the Selective Reminding Test (SRT) (Buschke 1973) was used to examine the changes in memory that occur with early-stage dementia of the Alzheimer's type (DAT) in adults with intellectual disability (ID) and Down's syndrome (DS), and to compare these changes to those occurring with ,normal' ageing. Method Hierarchical linear modelling analyses showed steep declines in the performance of participants who had met the criteria for the onset of DAT. Non-demented participants also showed declines in performance which were related to their age. However, the absolute magnitude of these declines was consistent with a ,normal' ageing pattern and not with undetected dementia. Results In analysing the specific memory components that are compromised, the present authors found that participants with early-stage DAT showed severely diminished long-term storage and retrieval processing abilities compared to their non-demented peers. Notably, these declines preceded other symptoms of dementia, in most cases by more than a full year and sometimes by as much as 3 years. Conclusions Thus, the present results clearly confirm that memory processes are affected during early dementia in adults with DS, and that the SRT has promise as a clinical tool. [source]


Multiple senile lentigos of the face, a skin ageing pattern resulting from a life excess of intermittent sun exposure in dark-skinned caucasians: a case,control study

BRITISH JOURNAL OF DERMATOLOGY, Issue 3 2006
S. Monestier
Summary Background, Different patterns of skin ageing can be described depending on the predominant lesions, i.e. wrinkles, laxity, atrophy, senile lentigos (SLs), etc. They may correspond to different epidemiological contexts. Objectives, To identify and assess the epidemiological factors for a skin ageing pattern characterized by a high density of SLs on the face, or ,lentigo ageing pattern' (LAP). Methods, An age- and sex-matched case,control study was conducted in individuals aged between 60 and 80 years, comparing cases (n = 118) with a very high number of SLs on the face for their age, and controls (n = 118) with no or very few SLs for their age. The cases and controls were recruited in two hospitals. Results, In univariate and multivariate analysis, LAP was associated with skin types III and IV, with frequent sunburns, and with the part of the lifetime cumulative sun exposure which was received during vacations. Conversely, there was no link with the occupational and everyday exposures and the total cumulative exposure. LAP was associated with multiple solar lentigos of the upper back. No relationship was found with postmenopausal hormonal therapy, number of naevi, or freckles. Conclusions, Different epidemiological factors may account for the different skin ageing patterns. LAP seems to develop preferentially in dark-skinned caucasians who have repeatedly received intermittent and intense sun irradiations throughout their life, and have often developed solar lentigos on the upper back earlier in life, whereas the ,prominent wrinkling' pattern is known to affect light-skinned people and smokers with a life excess of continuous exposure. [source]