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Emerging Adults in Search of Self

26 September 2022 | Story Michelle Nöthling | Photo Stephen Collett

Prof Luzelle Naude — Prof Luzelle Naudé, Professor in the Department of Psychology, delivered her inaugural lecture on the topic: In Search of Self: Emerging Adults as Actors, Agents and Authors.

How do people endeavour to answer the question: Who am I? This is the central question that Prof Luzelle Naudé – professor in the Department of Psychology at the University of the Free State (UFS), has built her academic career on. Under the title of her inaugural lecture, In Search of Self: Emerging Adults as Actors, Agents and Authors, delivered on14 September 2022, Prof Naudé traced the arc of her academic career over the past three decades.

Development as a Scholar

Prof Naudé started by giving an overview of her research as an early scholar, investigating students’ learning experiences and predictors of student success, followed by an exploration of the adolescence stage within the context of South Africa. Prof Naudé’s research interest then led her to investigating the third decade of life: emerging adulthood.

Interestingly, from the turn of the century, the group of 18- to 25-year-olds take longer to transition into adulthood. This group finds themselves in an in-between space, “not being an adolescent anymore, but definitely not being an adult either,” Prof Naudé explained. This has sparked an interesting scholarly debate: is emerging adulthood indeed a new developmental stage, or is it something only applicable to a minority of Western, affluent middle-class, university students? The answer is the former. There are actually many emerging adulthoods – also among our South African youth.

Current Research Focus

Currently, Prof Naudé is interested in the narratives of emerging adults at the intersection of self and society. The self, she pointed out, unfolds through different layers, namely the actor, the agent, and the author. “Our South African emerging adults are acting in an increasingly complex and transitioning social world. As agents, they advance through this complexity by telling redemptive stories of generativity, upward mobility, and of liberation. And as authors, they reconstruct their past, present, and future into a coherent life story and a narrative identity,” Prof Naudé said.

Naude Inaugural From the left; Dr Edwin du Plessis, Head of Department of Psychology; Prof Heidi Hudson, Dean of the Faculty of The Humanities; Prof Luzelle Naudé , and Prof Corli Witthuhn, Vice-Rector: Research and Internationalisation. Photo: Stephen Collett.

The Way Forward

“I’ve became convinced,” Prof Naudé emphasised, “about South Africa and the Global South’s ability to contribute to global knowledge production.” Prof Naudé and her team are therefore adding a South African voice to several multicultural, multinational projects, including the African Long-Life Study – in collaboration with the University of Zurich – and the Selves within Selves project. Prof Naudé’s vision, however, is to ultimately establish an Identity Research Hub at the UFS to consolidate research activities in this field and to formalise interdisciplinary partnerships.

Watch recording video below:

News Archive

Fight against Ebola virus requires more research

2014-10-22

Dr Abdon Atangana
Photo: Ifa Tshishonge

Dr Abdon Atangana, a postdoctoral researcher in the Institute for Groundwater Studies at the University of the Free State (UFS), wrote an article related to the Ebola virus: Modelling the Ebola haemorrhagic fever with the beta-derivative: Deathly infection disease in West African countries.

“The filoviruses belong to a virus family named filoviridae. This virus can cause unembellished haemorrhagic fever in humans and nonhuman monkeys. In literature, only two members of this virus family have been mentioned, namely the Marburg virus and the Ebola virus. However, so far only five species of the Ebola virus have been identified, including: Ivory Coast, Sudan, Zaire, Reston and Bundibugyo.

“Among these families, the Ebola virus is the only member of the Zaire Ebola virus species and also the most dangerous, being responsible for the largest number of outbreaks.

“Ebola is an unusual, but fatal virus that causes bleeding inside and outside the body. As the virus spreads through the body, it damages the immune system and organs. Ultimately, it causes the blood-clotting levels in cells to drop. This leads to severe, uncontrollable bleeding.

Since all physical problems can be modelled via mathematical equation, Dr Atangana aimed in his research (the paper was published in BioMed Research International with impact factor 2.701) to analyse the spread of this deadly disease using mathematical equations. We shall propose a model underpinning the spread of this disease in a given Sub-Saharan African country,” he said.

The mathematical equations are used to predict the future behaviour of the disease, especially the spread of the disease among the targeted population. These mathematical equations are called differential equation and are only using the concept of rate of change over time.

However, there is several definitions for derivative, and the choice of the derivative used for such a model is very important, because the more accurate the model, the better results will be obtained. The classical derivative describes the change of rate, but it is an approximation of the real velocity of the object under study. The beta derivative is the modification of the classical derivative that takes into account the time scale and also has a new parameter that can be considered as the fractional order.

“I have used the beta derivative to model the spread of the fatal disease called Ebola, which has killed many people in the West African countries, including Nigeria, Sierra Leone, Guinea and Liberia, since December 2013,” he said.

The constructed mathematical equations were called Atangana’s Beta Ebola System of Equations (ABESE). “We did the investigation of the stable endemic points and presented the Eigen-Values using the Jacobian method. The homotopy decomposition method was used to solve the resulted system of equations. The convergence of the method was presented and some numerical simulations were done for different values of beta.

“The simulations showed that our model is more realistic for all betas less than 0.5. The model revealed that, if there were no recovery precaution for a given population in a West African country, the entire population of that country would all die in a very short period of time, even if the total number of the infected population is very small. In simple terms, the prediction revealed a fast spread of the virus among the targeted population. These results can be used to educate and inform people about the rapid spread of the deadly disease,” he said.

The spread of Ebola among people only occurs through direct contact with the blood or body fluids of a person after symptoms have developed. Body fluid that may contain the Ebola virus includes saliva, mucus, vomit, faeces, sweat, tears, breast milk, urine and semen. Entry points include the nose, mouth, eyes, open wounds, cuts and abrasions. Note should be taken that contact with objects contaminated by the virus, particularly needles and syringes, may also transmit the infection.

“Based on the predictions in this paper, we are calling on more research regarding this disease; in particular, we are calling on researchers to pay attention to finding an efficient cure or more effective prevention, to reduce the risk of contamination,” Dr Atangana said.

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