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- 저자 : Qureshi, M. Zahid Iqbal (검색결과 194 건)
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The mediterranean diet’s effect on stroke risk
Zain Qureshi(Zain Qureshi ),Dolores Becker(Dolores Becker ),Umar Farooq(Umar Farooq ) 한국축산식품학회 2022 Food and Life Vol.2022 No.2
The Mediterranean diet has been growing in popularity as preventive medicine has made way in the healthcare community. Doctors are telling patients to adopt this diet due to its role in lowering stroke rates and other cardiovascular diseases in both Italy and Greece. These two countries have some of the lowest stroke numbers in the world, and experts believe this is the result of the diet and lifestyle of the people of that region. The diet includes foods such as fruits, vegetables, nuts, fish, and olive oil, along with less cholesterol, saturated fats, and trans fats. These specific foods and combinations of foods include properties that can prevent high blood pressure. We will explore the capabilities of the Mediterranean diet in preventing stroke, and the importance of preventive medicine in healthcare.
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A Meta-analysis: Shape of Age Effects and Second Language Grammar Acquisition
Muhammad Asif Qureshi 아시아영어교육학회 2021 The Journal of Asia TEFL Vol.18 No.2
This study reports findings of a meta-analysis on the effects of the age of first exposure, known as the age of onset (AO), on the acquisition of morphosyntax in a second language (L2). Several studies report restrictive effects of AO on L2 grammar acquisition (Abrahamsson, 2012; DeKeyser et al., 2010; Qureshi, 2016); however, there is a disagreement about the way sensitivity to second language acquisition declines (Birdsong, 2009; Long, 2013). Researchers disagree about the nature of the decline and argue whether the decrease that occurs in learners’ ultimate proficiency in the second language is gradual and continuous or gradual but followed by a plateau, without further decline. To explore the nature of AO, 29 samples from 14 studies were analyzed. The results revealed a large effect size1 (d = 1.13, SD = .06) for the impact of AO on ultimate proficiency in L2 morphosyntax. However, for the disaggregated data (i.e., when earlier & late learners are separated), a linear decline was observed for the 6 to 16 age-group (21 samples), while a flattening of the regression line was detected for the 17 to 24 age-group (8 samples). More importantly, the findings revealed two different shapes of decline based on participants’ first language and the target L2. Overall, the findings support a bounded critical period for second language acquisition and indicate the typological distance between the two languages as a major influencing factor.
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Qureshi, Muhammad Subhan,Habib, Ghulam,Samad, Hafiz Abdus,Siddiqui, Muhammad Mohsin,Ahmad, Nazir,Syed, Mirajuddin Asian Australasian Association of Animal Productio 2002 Animal Bioscience Vol.15 No.3
Fifty one Nili-Ravi dairy buffaloes in their last two months of gestation were selected. After parturition, rectal examination of reproductive organs was carried out until the occurrence of the first oestrus (PEI). Milk samples were analyzed for milk progesterone levels (MPL). Ovulation (POI) was confirmed by rectal palpation and MPL. Feed and blood samples were collected fortnightly and analyzed. Body condition score (BCS) was recorded on a scale of 0 to 5. Crude protein (CP) intake varied among different seasons and correlated positively with serum urea levels, POI (p<0.01) and PEI (p<0.05). Excess CPI was lower in the group showing oestrus as compared to those remaining as anoestrus (p<0.05). The dietary ratio of crude protein - metabolizable energy (CP:ME) in the oestrus animals was narrow and constant, while the anoestrus animals had a widely fluctuating one. In normal breeding season (NBS) calvers, mean serum urea level (SUL) was lower than the low breeding season (LBS) calvers. SUL was positively correlated with PEI and POI (p<0.01). Up to six months postpartum, SUL were constantly higher in anoestrus than oestrus buffaloes. Mean metabolizable energy (ME) intake was lower in the NBS calvers than the LBS calvers (p<0.01). BCS and postpartum ovulation interval were correlated with ME intake (p<0.01). Prepartum ME intake was higher in oestrous as compared to anoestrous animals (p<0.05). Higher and lower ME intakes were associated with anoestrus, while a moderate energy intake was associated with a PEI of less than 75 days. Buffaloes with poor BCS belonged to the LBS calving group and most of the NBS calving buffaloes had good BCS. BCS was negatively correlated with PEI (p<0.01) and was higher in oestrous buffaloes than anestrus. It was concluded that excess intake of crude protein, associated with higher serum urea levels and low energy intake, associated with poor body condition, are the key factors for low reproductive efficiency. It may be corrected by adopting a proper feeding strategy.
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Qureshi, Muhammad Naveed Iqbal,Oh, Jooyoung,Cho, Dongrae,Jo, Hang Joon,Lee, Boreom Frontiers Media S.A. 2017 Frontiers in neuroinformatics Vol.11 No.-
<P>Multimodal features of structural and functional magnetic resonance imaging (MRI) of the human brain can assist in the diagnosis of schizophrenia. We performed a classification study on age, sex, and handedness-matched subjects. The dataset we used is publicly available from the Center for Biomedical Research Excellence (COBRE) and it consists of two groups: patients with schizophrenia and healthy controls. We performed an independent component analysis and calculated global averaged functional connectivity-based features from the resting-state functional MRI data for all the cortical and subcortical anatomical parcellation. Cortical thickness along with standard deviation, surface area, volume, curvature, white matter volume, and intensity measures from the cortical parcellation, as well as volume and intensity from sub-cortical parcellation and overall volume of cortex features were extracted from the structural MRI data. A novel hybrid weighted feature concatenation method was used to acquire maximal 99.29% (<I>P</I> < 0.0001) accuracy which preserves high discriminatory power through the weight of the individual feature type. The classification was performed by an extreme learning machine, and its efficiency was compared to linear and non-linear (radial basis function) support vector machines, linear discriminant analysis, and random forest bagged tree ensemble algorithms. This article reports the predictive accuracy of both unimodal and multimodal features after 10-by-10-fold nested cross-validation. A permutation test followed the classification experiment to assess the statistical significance of the classification results. It was concluded that, from a clinical perspective, this feature concatenation approach may assist the clinicians in schizophrenia diagnosis.</P>
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Qureshi, Muhammad Naveed Iqbal,Ryu, Seungjun,Song, Joonyoung,Lee, Kun Ho,Lee, Boreom Frontiers Media S.A. 2019 FRONTIERS IN AGING NEUROSCIENCE Vol.11 No.-
<P><B>Purpose</B>: To perform automatic assessment of dementia severity using a deep learning framework applied to resting-state functional magnetic resonance imaging (rs-fMRI) data.</P><P><B>Method</B>: We divided 133 Alzheimer’s disease (AD) patients with clinical dementia rating (CDR) scores from 0.5 to 3 into two groups based on dementia severity; the groups with very mild/mild (CDR: 0.5–1) and moderate to severe (CDR: 2–3) dementia consisted of 77 and 56 subjects, respectively. We used rs-fMRI to extract functional connectivity features, calculated using independent component analysis (ICA), and performed automated severity classification with three-dimensional convolutional neural networks (3D-CNNs) based on deep learning.</P><P><B>Results</B>: The mean balanced classification accuracy was 0.923 ± 0.042 (<I>p</I> < 0.001) with a specificity of 0.946 ± 0.019 and sensitivity of 0.896 ± 0.077. The rs-fMRI data indicated that the medial frontal, sensorimotor, executive control, dorsal attention, and visual related networks mainly correlated with dementia severity.</P><P><B>Conclusions</B>: Our CDR-based novel classification using rs-fMRI is an acceptable objective severity indicator. In the absence of trained neuropsychologists, dementia severity can be objectively and accurately classified using a 3D-deep learning framework with rs-fMRI independent components.</P>
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Qureshi, M.S.,Habib, G.,Samad, H.A.,Lodhi, L.A.,Usmani, R.H. Asian Australasian Association of Animal Productio 1999 Animal Bioscience Vol.12 No.7
Fifth one Nili-Ravi dairy buffaloes in their last two months of gestation, were selected in NWFP Pakistan. Rectal palpation was carried out fortnightly, until the occurrence of first estrus. Ovulation was confirmed per rectum and milk progesterone levels (MPL). Body condition score (BCS)was recorded weekly. Milk samples were collected weekly for MPL and blood samples fortnightly for metabolites analysis. Milk yield was recorded and samples were collected for milk fat. The buffaloes calving during the normal breeding season (NBS, August to January)had short (p<0.01) postpartum estrus interval of $55.95{\pm}4.90$ days versus $91.15{\pm}11.61 $ days in the buffaloes calving during the low breeding season (LBS, February to July). MPL in the LBS calvers remained lower than NBS calves (p<0.01). The incidence of silent ovulation was higher during LBS as compared to NBS (70.6% versus 29.4%). MPL showed a pattern opposite to atmospheric temperature. In NBS calvers serum glucose levels were higher (p<0.01) and magnesium levels were lower (p<0.01) than LBS calvers. Higher serum urea was found in summer and spring than that autumn and winter (p<0.05). The reproductive performance in buffaloes calving in the LBS coincided with a low BCS (p<0.01). Fat corrected milk production (FCM) was higher in NBS than LBS (p<0.01) calvers.
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Qureshi, M. Zahid Iqbal,Chan, A.L.S. Techno-Press 2016 Wind and Structures, An International Journal (WAS Vol.22 No.4
The mechanical and aerodynamic effect of building shape plays a dominate role in the pedestrian level wind environment. These effects have been presented in numerous studies and are available in many wind codes. However, most studies have focused on wind flow around conventional buildings and are limited to few wind directions. The present study investigated wind circulation in the re-entrant corners of cross-shaped high-rise buildings from various wind directions. The investigation focused on the pedestrian level wind environment in the re-entrant corners with different aspect ratios of building arrangements. Ninety cases of case study arrangements were evaluated using wind tunnel experimentation. The results show that for adequate wind circulation in the re-entrant corners, building orientations and separations play a critical role. Furthermore, in normal wind incident directions and at a high aspect ratio, poor wind flow was observed in the re-entrant corners. Moreover, it was noted that an optimized building orientation and aspect ratio significantly improved the wind flow in re-entrant corners and through passages. In addition, it was observed that oblique wind incident direction increased wind circulation in the re-entrant corners and through passages.
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