Funded PhD Opportunity

Mental Health Diagnosis using Cognitive Analytics

Subjects: Biomedical Sciences and Psychology, Psychiatry and Neuroscience


Summary

This project spans 3 different units of assessment at UU (Biomedical Sciences, Computing and Psychology) and involves an industrial partner (GMI, Dublin) who will provide on-site internships for the PhD researcher.

Background:

Depression is a complex heterogeneous disorder. In severe depressive episodes, patients experience feelings of hopelessness/worthlessness, and suicide is a prominent risk. As the leading cause of global disability[1], 300 million people are affected by depression and public health figures indicate depression accounts for 76.4 million years lost to disability; more than any other condition[2]. NI has one of the highest rates of depression in Europe with a lifetime prevalence rate of 16.3%[3] and continues to have the highest rate of suicide of any UK country, at 16.5/100,000 (NISRA, reported by BBC News). NI has a 20-25% higher prevalence rate of mental health problems than the rest of the UK, with associated costs of £3.5 billion. The cost of depression to the UK economy is £70-£100 billion/year. In the UK, depression is predominantly diagnosed by general practitioners in primary care, but diagnosis and treatment selection is largely subjective, and reliant on patient self-report and clinical judgment and experience. Recent advancements have prompted the investigation of patients clinical and physiological profiles to determine biological features (biomarkers) that can be used to identify mental health disorders such as depression. However, there is a huge need to further investigate various biomarkers and intelligently combine these to develop a robust clinical diagnosis tool, which would allow clinicians to effectively diagnose and stratify patients with depression, and ultimately determine the most stratified/personalised treatment.

Dataset:

NICSM have recently procured access to the UK Biobank dataset, including imaging, genomic, biochemical, diagnosis, medication/treatment, demographic/local-environment data of 500,000 participants. Approximately 20,000 of these participants are diagnosed with depression according to International Classification of Diseases Tenth Revision (ICD10).

Method:

This project will investigate the use of medical imaging, specifically, structural Magnetic Resonance Imaging (MRI), to identify neuro-biomarkers (neuromarkers) within the brain that can be used, in combination with existing genetic biomarker approaches (e.g. polygenic risk scoring), to classify major depressive disorder within a patient into specific endotypes for stratified/personalised diagnosis and treatment. A deep-learning model, specifically a convolutional neural network (CNN), will be developed to extract key features from the MRI data, which can be used to identify and classify neuromarkers for depression. Using a cognitive analytic approach, supervised machine learning methodology will be used to analyse correlations between these neuromarkers, genetic biomarkers and phenotypic information to develop a robust diagnosis system to clinically identify endotypes of depression.

Project tasks to be performed by the PhD student:

1. Extract depression cohort from UK Biobank dataset using ICD10 and validated clinical questionnaires and associated genetic and medical imaging data;

2. Perform image data processing (dimensionality reduction, structural analysis, etc.) to determine imaging signatures (neuromarkers) predictive of depression;

3. Using the combination of genetic biomarkers, phenotypic information and acquired neuromarkers, perform big data cognitive analytics to clinically identify endotypes of depression.

References:

1. World Health Organization. (2018). Depression. [online] Available at: http://www.who.int/mediacentre/factsheets/fs369/en/.

2. Global Burden of Disease Study 2013 Collaborators. (2015). Global, regional, and national incidence, prevalence, and years lived with disability for 301 acute and chronic diseases and injuries in 188 countries, 1990-2013: a systematic analysis for the Global Burden of Disease Study 2013. Lancet (London, England), 386 (9995), 743-800.

3. Bunting, BP, Murphy, SD, O'Neill, SM & Ferry, FR. (2012). 'Lifetime prevalence of mental health disorders and delay in treatment following initial onset: evidence from the Northern Ireland Study of Health and Stress', Psychol Med, vol. 42, no. 8, pp.1727-39.

Other Project Specific Requirements:

Degree/MSc in Stratified Medicine, Bioinformatics, Biomedical Sciences, Computer Science, Computer Engineering, or another relevant field. Experience in tools/languages such as MATLAB, R, Python, Linux, or C\C++. Desirable - understanding/experience in machine learning, image processing.

Researcher will be based at C-TRIC (Altnagelvin Hospital site).

Prospective candidate:

The project will be entirely computational. Thus, we are seeking a student having a strong interest in computational approaches evidenced by good programming skills (preferable in Linux, MATLAB, C/C++, Python or R) and knowledge in biomedical/biological sciences, computational biology and statistics. However, students from more biology oriented background but strong interest to learn bioinformatics and programming are also encouraged to apply. Appropriate training will be provided during the course of PhD study. For any informal enquiry and/or to discuss more about the project, please contact the lead supervisor or any member of the supervisory team. Contact details of the supervisory team are mentioned on the right hand side of this webpage.


Essential criteria

  • To hold, or expect to achieve by 15 August, an Upper Second Class Honours (2:1) Degree or equivalent from a UK institution (or overseas award deemed to be equivalent via UK NARIC) in a related or cognate field.
  • Sound understanding of subject area as evidenced by a comprehensive research proposal

Desirable Criteria

If the University receives a large number of applicants for the project, the following desirable criteria may be applied to shortlist applicants for interview.

  • Completion of Masters at a level equivalent to commendation or distinction at Ulster
  • Experience using research methods or other approaches relevant to the subject domain
  • Work experience relevant to the proposed project
  • Publications - peer-reviewed
  • Publications record appropriate to career stage
  • Experience of presentation of research findings
  • A comprehensive and articulate personal statement
  • Use of personal initiative as evidenced by record of work above that normally expected at career stage.
  • Relevant professional qualification and/or a Degree in a Health or Health related area

Funding

    The University offers the following awards to support PhD study and applications are invited from UK, EU and overseas for the following levels of support:

    Department for the Economy (DFE)

    The scholarship will cover tuition fees at the Home rate and a maintenance allowance of £ 15,009 per annum for three years. EU applicants will only be eligible for the fee’s component of the studentship (no maintenance award is provided). For Non-EU nationals the candidate must be "settled" in the UK. This scholarship also comes with £900 per annum for three years as a research training support grant (RTSG) allocation to help support the PhD researcher.

    Due consideration should be given to financing your studies; for further information on cost of living etc. please refer to: www.ulster.ac.uk/doctoralcollege/postgraduate-research/fees-and-funding/financing-your-studies


Other information


The Doctoral College at Ulster University


Reviews

My experience has been great and the people that I have worked with have been amazing

Kieran O'Donnell - 3D printing of biological cells for tissue engineering applications

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Completing the MRes provided me with a lot of different skills, particularly in research methods and lab skills.

Michelle Clements Clements - MRes - Life and Health Sciences

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Throughout my PhD I’ve been provided with continuous support and guidance by my supervisors and the staff at the University.I’ve also received many opportunities to further enhance my professional development in the form of teaching experience and presenting my work at conferences which will aid in my pursuit of a career in academia or industry.

William Crowe


Key dates

Submission deadline
Friday 7 February 2020

Interview Date
9 to 20 March


Applying

Apply Online  


Campus

Magee campus

Magee campus
A key player in the economy of the north west


Contact supervisor

Dr Priyank Shukla


Other supervisors

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