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Abstract: According to epidemiological studies, insomnia is associated with cardiovascular mortality. However, it is yet to be determined whether this link is mediated by known cardiovascular risk factors. The current study aimed at investigating the association between primary insomnia, defined as subjectively reported sleep disturbance in the absence of any other pathology or substance intake, and alterations in polysomnographically determined nocturnal heart rate (HR) and heart rate variability (HRV). A total of 4,581 nocturnal short-term electrocardiographic recordings (5 min each) from 104 participants (58 with primary insomnia, 46 healthy controls) were evaluated for HR as well as for time and frequency domain measures of HRV. In the primary insomnia group, we found a lower wake-to-sleep HR reduction and a lower standard deviation of RR intervals (SDNN) compared to healthy controls. However, between-group differences in resting HR were not found, and previous results of an increase in sympathovagal balance and a decrease in parasympathetic nocturnal activity in objectively determined insomnia could not be confirmed in our sample of self-report insomnia patients. When restricting our analyses to insomnia patients with objectively determined short sleep duration, we found reduced parasympathetic activity as indicated by decreased high frequency power of HRV, as well as decreased root mean square of successive RRI differences (RMSSD) and percentage of successive RRIs that differ by more than 50 ms (pNN50) values. A lower wake-to-sleep HR reduction and alterations in HRV variables might, at least partially, mediate the increased rates of cardiovascular morbidity and mortality observed in insomnia patients.
Abstract: Using methods of inference and analogy, selected objects in grave association of the prehistoric Hopewell culture-complex in southern Ohio appear to define a cult of the dead, and further suggest the presence of ritual specialists (shamans) and a highly structured social system. The mortuary cult may have been based upon cosmological elements similar to those present in aboriginal eastern North America, and with the data at least three hypothetical funeral variants can be reconstructed.
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Abstract: The 1968 Rechtschaffen and Kales (R & K) sleep scoring manual was published 15 years after REM sleep was discovered. Advances in the ensuing 28 years warranted a re-look at visual scoring of sleep stages. This paper describes the work of the AASM Visual Scoring Task Force, including methodology, a literature review and the rationale behind the new rules. Reliability studies of R & K scoring were reviewed; reliability was low for stage one and moderate for slow wave sleep. Evidence indicated that K complexes and slow waves are expressed maximal frontally, spindles centrally and alpha rhythm over the occipital region. Three derivations of EEG, two of electro-oculography, and one of chin EMG were recommended. Scoring by 30-second epochs was retained. New terminology for sleep stages was proposed. Attenuation of alpha rhythm was determined to be the most valid electrophysiological marker of sleep onset. Alternative measures were proposed for non-alpha generating subjects. K complexes associated with arousals were determined to be insufficient alone to define the new stage N2. No evidence was found to justify dividing slow wave sleep into two stages. No reasons were found to alter the current slow wave amplitude criteria at any age. The phenomena of REM sleep were defined. The rules for defining onset and termination of REM sleep periods were simplified. Movement time was eliminated and major body movements defined. Studies are needed to test the reliability of the new rules. Future advances in technology may require modification of these rules with time.
William Kelly Simpson. , Giza Mastabas, Volume 2, published by the Department of Egyptian and Ancient Near Eastern Art, Museum of Fine Arts, Boston, 1976.
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Abstract: Although links between music training and cognitive abilities are relatively well-established, unresolved issues include the generality of the association, the direction of causation, and whether the association is mediated by executive function. Musically trained and untrained 9- to 12-year olds were compared on a measure of IQ and five measures of executive function. IQ and executive function were correlated. The musically trained group had higher IQs than their untrained counterparts and the advantage extended across the IQ subtests. The association between music training and executive function was negligible. These results provide no support for the hypothesis that the association between music training and IQ is mediated by executive function. When considered jointly with the available literature, the findings suggest that children with higher IQs are more likely than their lower-IQ counterparts to take music lessons, and to perform well on a variety of tests of cognitive ability except for those measuring executive function.
A. Naomi Jackson is the recipient of the 2013-2014 ArtsEdge residencyat the University of Pennsylvania’s Kelly Writers House. She studiedfiction at the Iowa Writers’ Workshop, where she was awarded the SchultzFellowship for Excellence in Fiction to complete her first novel,. Jackson traveled to South Africa on aFulbright scholarship, where she received an M.A. in Creative Writingfrom the University of Cape Town. A graduate of Williams College, herwork has appeared in , and . Her short story, “Ladies” wasthe winner of the 2012 BLOOM chapbook contest. She has been a residentat Hedgebrook and Vermont Studio Center and received the Archie D. andBertha H. Walker scholarship at the Fine Arts Work Center inProvincetown. She co-founded the Tongues Afire creative writing workshopat the Audre Lorde Project in Brooklyn in 2006. (Photo credit: LolaFlash)
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Since the Carter Manny Award’s establishment in 1996, over $775,000 has been awarded in recognition of outstanding doctoral students whose work represents some of the most innovative and advanced scholarship on architecture and its role in the arts, culture, and society. The Carter Manny Award supports dissertation research and writing by promising scholars whose projects have architecture as their primary focus and the potential to shape architectural discourse. Projects may be drawn from the various fields of inquiry supported by the Graham Foundation: architectural history, theory, and criticism; design; engineering; landscape architecture; urban planning; urban studies; visual arts; and other related fields. (See the of our grant programs). The award assists students enrolled in graduate programs in architecture, art history, the fine arts, humanities, and the social sciences working on architecture topics.
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William Kelly Simpson. , Giza Mastabas, Volume 4, published by the Department of Egyptian and Ancient Near Eastern Art, Museum of Fine Arts, Boston, 1980.
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