About the Project
This complex system provides plenty of scope for research projects in Computational Neuroscience. Potential projects fall under two broad themes:
1. Development and application of statistical signal processing techniques to study multivariate neuronal recordings.
2. Computer modelling of Spiking Neural Networks (SNNs) to investigate fundamental mechanisms in neural coding, neural computing and information processing in the brain.
Theme 1: Neural and statistical signal processing.
Neuroscience is regarded by many as “data rich”, in our case this means access to large multivariate data sets of neuronal recordings that can be used to understand brain function in health and disease. These data sets consist of different types of data ranging from single unit recordings of individual neurons, to local field potential recordings of localised electrical activity and electroencephalographic (EEG) recordings from the surface of the scalp. A feature of these recordings is that they are intrinsically noisy and non-stationary or time varying. There is a need to develop multivariate statistical signal processing methods that can be applied to these neurophysiological data sets to extract information about the structure, function and operation of the nervous system. A wide range of data sets are available to support this work, from collaborators using multi electrode array (MEA) technologies, human electrophysiological studies using EEG and from Neuroimaging centres using whole head magnetoencephalographic (MEG) systems. A focus of the group is on control of movement, data sets consisting of upper and lower limb electromyographic (EMG) recordings are available to support this research. Projects can focus on studying fundamental mechanisms related to neural function, or can take a more clinically focused approach, for example comparing EEG-EMG interactions in controls against patient groups (e.g. stroke or Parkinson’s disease).
Theme 2: Neural computing with spiking neural networks.
The ability to simulate the electrical signalling processes in the brain is central to developing new models of brain function, and new approaches to neuromorphic computing. This computational modelling uses computer models of single neurons and interconnected networks of these to capture the spatial-temporal dynamics seen in the living brain. A wide range of approaches can be used, for example using detailed biophysical models to capture the dynamics of how an individual neuron, or a small group of neurons, responds to different activation patterns. Alternatively, larger networks using bio-inspired models (e.g. LIF and variants, Izhikevich) can be used to study neural coding and neural computing at the population level. A number of different approaches to learning can be applied, for example Spike Time Dependent Plasticity (STDP) or Reinforcement Learning (RL) in SNNS. Depending on interests and experience, simulations can be done in software (e.g. MATLAB, C/C++, Python) or hardware (e.g. FPGA technology). Research in this area is closely related to Neuromorphic computing, which aims to develop new brain inspired computing paradigms based on the use of SNNs. This more technologically focused view allows projects to consider how our understanding of the behaviour of SNNs can be used in novel computational tasks, for example control of mobile robotic devices.
Projects can readily combine aspects of both of these themes, for example simulated cortical neuron networks can provide data to validate novel statistical signal processing approaches to study neuronal interactions and neuronal connectivity.
Candidates should have (or expect to obtain) a minimum of a UK upper second class honours degree (2.1) or equivalent in Electronic and Electrical Engineering, Physics, Computer Science, Mathematics, Music Technology or a closely related subject.
How to apply:
Applicants should apply via the University’s online application system at https://www.york.ac.uk/study/postgraduate-research/apply/. Please read the application guidance first so that you understand the various steps in the application process.
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