932 resultados para Illinois. Dept. of Adult, Vocational and Technical Education


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Funding for this study was provided by a contract to the Illinois Dept. of Alcoholism and Substance Abuse from the U.S. Center for Substance Abuse Treatment as part of the State Systems Development Program (CSAT contract 270-92-0018).

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Previous ed. issued by the body under its earlier name, Dept. of Mental Health.

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Mode of access: Internet.

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Title Varies: Area Vocational Education Program Series

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Purpose To provide a summary of the classic paper "Differences in the accommodation stimulus response curves of adult myopes and emmetropes" published in Ophthalmic and Physiological Optics in 1998 and to provide an update on the topic of accommodation errors in myopia. Summary The accommodation responses of 33 participants (10 emmetropes, 11 early onset myopes and 12 late onset myopes) aged 18-31 years were measured using the Canon Autoref R-1 free space autorefractor using three methods to vary the accommodation demand: decreasing distance (4 m to 0.25 cm), negative lenses (0 to -4 D at 4 m) and positive lenses (+4 to 0 D at 0.25 m). We observed that the greatest accommodation errors occurred for the negative lens method whereas minimal errors were observed using positive lenses. Adult progressing myopes had greater lags of accommodation than stable myopes at higher demands induced by negative lenses. Progressing myopes had shallower response gradients than the emmetropes and stable myopes; however the reduced gradient was much less than that observed in children using similar methods. Recent Findings This paper has been often cited as evidence that accommodation responses at near may be primarily reduced in adults with progressing myopia and not in stable myopes and/or that challenging accommodation stimuli (negative lenses with monocular viewing) are required to generate larger accommodation errors. As an analogy, animals reared with hyperopic errors develop axial elongation and myopia. Retinal defocus signals are presumably passed to the retinal pigment epithelium and choroid and then ultimately the sclera to modify eye length. A number of lens treatments that act to slow myopia progression may partially work through reducing accommodation errors.

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There is a small, but growing, social scientific literature on the racist and violent nature of contemporary adult pornography. However, considerably more empirical and theoretical work needs to be done to advance a critical criminological understanding of how such hurtful sexual media contribute to various forms of woman abuse in intimate relationships. The main objective of this article is to briefly review the relevant literature and to suggest a few new progressive empirical and theoretical directions.

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Upon reading this esteemed collection of Sally Tomlinson’s works, published in Routledge’s prestigious World Library of Educationalists series, I was struck by three things. First, Sally is one of only three women among the 26 scholars whose collections have been published in this series to date, and the only scholar researching questions relating to disability and special education. Second, her early work on the sociology of special education Tomlinson, 1982) is just as pertinent today as her most recent research on the political scapegoating of low-attainers in a global knowledge economy (Tomlinson, 2012). Third, I was reminded of the extent to which her research has both inspired and guided me as I now grapple with the same research problems, albeit in a different country and at a different time, but always from a similar sociological standpoint (Graham & Jahnukainen, 2011; Graham & Sweller, 2011; Graham, 2012; Graham, 2014; Graham, Van Bergen & Sweller, 2014). Not surprisingly, the phrase that kept echoing through my head as I read through the 11 chapters chronicling a rich and immensely productive academic career was: ‘history repeats’. And, throughout the book are numerous examples and observations as to why it does. To paraphrase, the answer is power, status and politics.

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Here we report the results of a study aimed at examining stability of adult emergence and activity/rest rhythms under seminatural conditions (henceforth SN), in four large outbred fruit fly Drosophila melanogaster populations, selected for emergence in a narrow window of time under laboratory (henceforth LAB) light/dark (LD) cycles. When assessed under LAB, selected flies display enhanced stability in terms of higher amplitude, synchrony and accuracy in emergence and activity rhythms compared to controls. The present study was conducted to assess whether such differences in stability between selected and control populations, persist under SN where several gradually changing time-cues are present in their strongest form. The study revealed that under SN, emergence waveform of selected flies was modified, with even more enhanced peak and narrower gate-width compared to those observed in the LAB and compared to control populations in SN. Furthermore, flies from selected populations continued to exhibit enhanced synchrony and accuracy in their emergence and activity rhythms under SN compared to controls. Further analysis of zeitgeber effects revealed that enhanced stability in the rhythmicity of selected flies under SN was primarily due to increased sensitivity to light because emergence and activity rhythms of selected flies were as stable as controls under temperature cycles. These results thus suggest that stability of circadian rhythms in fruit flies D. melanogaster, which evolved as a consequence of selection for emergence in a narrow window of time under weak zeitgeber condition of LAB, persists robustly in the face of day-to-day variations in cycling environmental factors of nature.