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28 October 2020 | Story Nitha Ramnath


Lunchtime learning webinar series on Interdisciplinarity in Action

Mastering a musical instrument, such as the piano, requires the simultaneous integration of a multimodal, sensory system and motor information with multimodal, sensory feedback mechanisms that continuously monitor the performance. Performing intricate movements requires complex, sensory-motor programming of finger and hand movements, which can result in a reorganisation of the brain regarding functional and structural changes of existing and the establishment of new connections. Neuronal networks involved in music processing are adaptable and fast-changing. When motor skills are simplified to the most important action, it consists of nerve impulses sent to the muscles.

In this webinar, Dr Frelét de Villiers discusses the interdisciplinarity between the two fields of music and neuroscience. Promising preliminary data has been reported for applications of transcranial direct stimulation (tDCS) of the motor cortex, ranging from stroke rehabilitation to cognitive enhancement. These findings raise the alternative possibility that the fine motor control of pianists may be improved by stimulating the contralateral motor cortex. 

In our interdisciplinary study, we want to use the Halo Sport neurostimulation system (a physical training aid). This is a tDCS device, designed to optimise the efficiency of training sessions and accelerate gains in any physical skill, especially when the neurostimulation is complemented by focused repetitive training. The main questions of the study are the following: do pianists experience a noticeable difference in mastering repertoire with and without the HALO Sport device, and can functional and structural changes in the brain be observed after using the Halo Sport consistently over six months? Data collection will consist of EEG tests, fMRI scans, interviews, and analysis of performances by an expert panel. The value of the research is the possibility that practising with the HALO may improve the performance of the students and that changes in the brain may be observed. Interdisciplinary engagement is essential to conduct this research. If it is possible to establish that there are functional and structural changes in the brain and improvement in the performance of the pianists, the research can be extended to other disciplines with hopefully the same positive results.

This webinar is part of a series of three webinars on Interdisciplinarity that will be presented from November to December 2020 via Microsoft Teams for a duration of 45 minutes each. The webinar topics in the series will explore the intersection between Neuroscience and Music, between Science and Entrepreneurship, and between Science and Visual Arts.  

Date: Thursday 5 November 2020
Topic: The intersection between neuroscience and music 
Time: 13:00-13:45
RSVP: Alicia Pienaar, pienaaran1@ufs.ac.za by 4 November 2020 at 12:00
Platform: Microsoft Teams

Introduction and welcome
Prof Corli Witthuhn – Vice-Rector: Research at the University of the Free State 

Presenter
Dr Frelét de Villiers

Dr de Villiers is a Senior Lecturer at the Odeion School of Music. She is head of the Methodology modules, short learning programmes, lectures in piano, music pedagogy, arts management, and is a supervisor for postgraduate students. She is a member of the Faculty of the Humanities Research Committee, Interdisciplinary Centre for Digital Futures, Scientific Committee (Arts), and the Ethics Committee (the Humanities). Her field of expertise is piano technique, with particular emphasis on the influence of the brain and the whole-brain approach to music. Her passion is the use of technology in the music teaching situation – she developed a note-learning app, PianoBoost (available on Google Play).

News Archive

Fire as a management tool questionable in arid and semi-arid grassland areas
2015-03-24

Wild fire in the grassland
Photo: Supplied


The influence of fire on the ecosystem in the higher rainfall ‘‘sour’’ grassland areas of southern Africa has been well established. However, less information is available for arid and semi-arid ‘‘sweet’’ grassland areas, says Prof Hennie Snyman, Professor in the Department of Animal, Wildlife, and Grassland Sciences, about his research on the short-term impact of fire on the productivity of grasslands in semi-arid areas.

Sour and sweet grassland areas can be defined as receiving either higher or lower than approximately 600 mm of rainfall respectively. In quantifying the short-term impact of fire on the productivity of grasslands in semi-arid areas, a South African case study (experimental plot data) was investigated.

“Burned grassland can take at least two full growing seasons to recover in terms of above- and below-ground plant production and of water-use efficiency (WUE). The initial advantage in quality (crude protein) accompanying fire does not neutralise the reduction in half of the above-ground production and poor WUE occurring in the first season following the fire.

“The below-ground growth is more sensitive to burning than above-ground growth. Seasonal above-ground production loss to fire, which is a function of the amount and distribution of rainfall, can vary between 238 and 444 kg ha -1 for semi-arid grasslands. The importance of correct timing in the utilisation of burned semi-arid grassland, with respect to sustained high production, cannot be overemphasised,” said Prof Snyman.

In arid and semi-arid grassland areas, fire as a management tool is questionable if there is no specific purpose for it, as it can increase ecological and financial risk management in the short term.

Prof Snyman said: “More research is needed to quantify the impact of runaway fires on both productivity and soil properties, in terms of different seasonal climatic variations. The information to date may already serve as valuable guidelines regarding grassland productivity losses in semi-arid areas. These results can also provide a guideline in claims arising from unforeseen fires, in which thousands of rands can be involved, and which are often based on unscientific evidence.”

For more information or enquiries contact news@ufs.ac.za

 

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