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Browsing by Author "Thomas, Kevin G F"

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Acute psychosocial stress enhances visuospatial in healthy males

Author: Human, Robyn ; Thomas, Kevin G F ; Dreyer, Anna ; Amod, Alysaa R ; Wolf, Pedro S A ; Jacobs, W Jake Date: 2013 Previous research demonstrates that stress can disrupt a number of different cognitive systems, including verbal memory, working memory, and decision-making. Few previous studies have investigated relations between stress and visuospatial ... Read more
A cognitive profile of South African children with traumatic brain injury

Author: Malgas, Nancy Date: 2010 Research conducted on pediatric populations have shown that an event such as a traumatic brain injury (TBI) experienced in childhood can lead to persistent neuropsychological deficits months, even years post-injury. However, there still exists ... Read more
Hidden victims of HIV/AIDS : the impact of caregiving on elderly caregivers

Author: Mangerah, Munirah Date: 2008 The HIV/AIDS pandemic in South Africa and the concomitant high mortality rate of the middle generation has resulted in an increased number of orphans and vulnerable children (DVCs). The responsibility of care for these children has fallen to ... Read more
HIV-associated cognitive disorders in children and adolescents: methodological investigations and validating a quick screening tool

Author: Phillips, Nicole Justine Date: 2019 Background Perinatal HIV-infection is associated with both cognitive and functional impairment. Accurate measurement and screening for these conditions is key in ensuring that these vulnerable children and adolescent receive the care they ... Read more
The impact of psychosocial stress and biological sex on false recognition memory

Author: Henry, Michelle Date: 2010 Based on the premise that both the hippocampus and pre-frontal cortex are affected by cortisol and involved in declarative memory processes, the current research aimed to confirm that psychosocial stress can lead to increased rates of false ... Read more
Neuroimaging and behavioral investigation of declarative memory in South African children prenatally exposed to alcohol

Author: Lewis, Catherine Elizabeth Date: 2018 Prenatal alcohol exposure (PAE) is associated with a range of physical, growth, and neurobehavioral deficits characteristic of individuals with fetal alcohol spectrum disorders (FASD). Although declarative memory impairment is a key feature ... Read more
Prenatal alcohol exposure-related reading and phonological processing deficits mediated by working memory

Author: Meiring, Landi-Chantel Date: 2017 Few research studies have investigated the effects of prenatal alcohol exposure (PAE) on reading ability and/or on phonological processing. Most published studies have only included measures of single-word reading. This choice means those ... Read more
The relationship between elevated night-time Glucocorticoid activity and dreaming: a perspective on sleep-dependent memory consolidation

Author: Timol, Ridwana Date: 2017 Background. The consolidation of episodic memory is particularly vulnerable to fluctuations in glucocorticoid levels, both during wakefulness and during sleep. Corticosteroid exposure is associated with changes in endogenous glucocorticoid ... Read more
The relationship between socioeconomic status and neuropsychological performance in 7-10 year-old South African children

Author: Schoeman, Fransien Date: 2011 Socioeconomic status (SES) plays a significant role in neuropsychological performance, with several empirical research studies reporting that low-SES children score more poorly on cognitive tasks than do high-SES children, even when IQ is ... Read more
Relationships between mental health, socioeconomic status and subjective social status in first-year students at four South African universities

Author: Fowler, Gillian Date: 2010 Background and Objective: First-year university students face many challenges during the transition to university. Some of these relate to their background and socio-demographic characteristics and others have to do with the characteristics ... Read more
Young adults' sexual strategies and mating displays in the virtual world: an evolutionary perspective

Author: Swanepoel, Tarah Date: 2013 Life History Theory (LHT) predicts that natural selection favours a degree of developmental plasticity when it comes to sexual strategies and mating displays. Individuals should develop a faster life history strategy (showing, for example, ... Read more