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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

Renowned forensic scientist speaks at the UFS
2014-04-02


Forensic science is about the truth. At the presentation delivered by Dr David Klatzow, were, from the left: Tinus Viljoen, lecturer in Forensic Genetics, Dr Klatzow and Laura Heathfield, also a lecturer in Forensic Genetics.
Photo: Leonie Bolleurs 

It is necessary for more research to be done in the field of forensic science in South Africa. This is according to Dr David Klatzow, well-known forensic scientist, during a lecture delivered at the University of the Free State (UFS) last week.

The university is offering, for the first time this year, a BSc degree in Forensic Science in the Department of Genetics. This three-year degree is, among others, directed at people working for the South African Police Service on crime scenes and on criminal cases in forensic laboratories. Students can also study up to PhD level, specialising in various forensic fields.

There is no accredited forensic laboratory in South Africa. “It is time to look differently at forensic science, and to deliver research papers on the subject. In light of the manner in which science is applied, we have to look differently at everything,” Dr Klatzow said.

Dr Klatzow praised the university for its chemistry-based course. “Chemistry is a strong basis for forensic science,” he said.

A paradigm shift in terms of forensic science is needed. Micro scratches on bullets, fingerprints, DNA, bite marks – all of these are forensic evidence that in the past led to people being wrongfully hanged. This evidence is not necessarily the alpha and omega of forensic science today. DNA, which seems to be the golden rule, can produce problems in itself. Because a person leaves DNA in his fingerprint, it is possible that DNA is transferred from one crime scene to another by forensic experts dusting for fingerprints. According to Dr Klatzow, this is only one of the problems that could be experienced with DNA evidence.

“No single set of forensic evidence is 100% effective or without problems. Rather approach the crime scene through a combination of evidence, by collecting fingerprints, DNA, etc. It is also very important to look at the context in which the events happened.

“A person sees what he expects to see. This causes huge problems in terms of forensic science. For example, if a criminal fits the profile of the perpetrator, it doesn’t follow that this specific criminal is the culprit. It isn’t what we don’t know that gives us trouble, it’s what we know that isn’t so,” Dr Klatzow said.

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