On the Actions of Muscles passing over more than One Joint.
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Journal Article↗
Biomedical subjects
J Cleland
Publications and source records attributed to J Cleland.
Developmental aspects of kin recognition.
The ability to recognise kin requires the individual to possess a variety of abilities. Individuals must produce a cue which indicates relatedness, they must process this cue to determine relatedness and then must act on this cue. Research has concentrated on the first and final stage of this process, i.e., the cues of kinship and kin correlated behaviour. Little attention has been paid to how individuals process cues to determine relatedness. This paper discusses how individuals 'recognise' kin, the exhibition of kin correlated behaviour and considers the role of the MHC in these processes. Two broad theories have emerged to explain how individuals recognise their kin: either a recognition gene(s) or some experiential mechanism. In mammals there is no evidence to suggest that recognition (the processing of the cue) is under genetic control but rather is the result of experience, learning about related individuals during development. Moreover studies on kin recognition in the domestic dog suggest that all kin are not recognised by the same process but different classes of kin, parents, siblings may well be recognised using different means. Studies of kin correlated behaviour suggest that the behaviour exhibited towards kin by Mongolian gerbils is mediated by the environment. Factors of environmental familiarity, sex and developmental age all affect the response of individuals to kin and non-kin. In these situations the ability to recognise kin does not change but the exhibition of kin correlated behaviour changes according to environmental conditions. These studies indicate that kin recognition may not be the 'unified' process previously thought and thus any explanations of the proximate and ultimate causation of kin recognition need to encompass this complexity. The question remains of whether the MHC is complex enough to do so.
Aging↗
The promotion of family planning by financial payments: the case of Bangladesh.
The government of Bangladesh and the World Bank commissioned a Compensation Payments Study, carried out in 1987, to assess the merits and demerits of payments for sterilizations to clients, medical personnel, and intermediaries who motivate and refer clients. The study conclusively shows that the decision of Bangladeshi men and women to undergo sterilization is a considered and voluntary act, taken in knowledge of the nature and implications of the procedure, and in knowledge of alternative methods of regulating fertility. There is a high degree of client satisfaction among those who have been sterilized, although among clients who had fewer than three children, 25 percent expressed regret that they had been sterilized. Money may be a contributing factor to the decision to become sterilized in a large majority of cases, but a dominant motive for only a very small minority. Payments to referrers have fostered a large number of unofficial, self-employed agents--particularly men who recruit vasectomy cases. These agents provide information about the procedures for being sterilized, particularly to the poor. They also concentrate on sterilizations to the exclusion of other methods, and are prone to minimize the disadvantages and exaggerate the attractions of sterilization.
Adult↗
Self-reported symptoms of gynecological morbidity and their treatment in south India.
This article presents an analysis of self-reported symptoms of gynecological problems among 3,600 recent mothers in Karnataka State, India. Approximately one-third of all women reported at least one current symptom; the most common were a feeling of weakness and tiredness (suggestive of anemia); menstrual disorders; white or colored vaginal discharge (suggestive of lower reproductive tract infection); and lower abdominal pain and discharge with fever (suggestive of acute pelvic inflammatory disease). Obstetric morbidity, associated with the last live birth, was strongly predictive of current gynecological symptoms. Women who delivered their last child in a private institution were significantly less likely to report symptoms than were those who delivered at home or in a government hospital. Nonusers or users of reversible contraceptive methods were also less likely to report symptoms of morbid conditions than were sterilized women. These associations persisted in analyses controlling for potentially confounding economic and demographic characteristics, and have far-reaching policy implications.
Adult↗