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Withania somnifera , commonly referred to as Indian Ginseng, is a medicinally important plant that can be found in many regions of the world, such as South Africa and India. Withanolides are key secondary metabolites responsible for conferring the plant its unique medicinal properties. The reaction of W. somnifera to salt stress, in particular the possible effects on its withanolide production, has yet to be explored. Under sa...
Interpretable deep learning reveals spatiotemporal MRI features of brain aging that align with neurodegenerationNARA Subscribed
Cortical thinning and atrophy are hallmarks of brain aging that have been characterized using magnetic resonance imaging (MRI). Brain aging involves many neuroanatomic features whose effects on brain structure remain unexplored. To address this challenge, we trained interpretable deep neural networks (DNNs) to estimate brain age (BA) from T 1 -weighted ( T 1 w) MRI. By identifying MRI features unapparent to humans, DNNs can fi...
Poverty and food insecurity are generic to the rural communities of poor countries in the sub‐Saharan African region. South Africa, with its huge rural population, is not excluded from poverty. In the Thaba Nchu area of the Free State Province, South Africa, where the study was conducted, 54% of the population was food insecure in 2006 owing partly to high unemployment, low levels of education and collapsed agricultural produc...
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