About the Project
We are searching for a PhD student to help tackle a fundamental mystery about how our brains function: across all types of behaviour, however simple or practiced, we sometimes make errors and often take much longer than we should. Beyond theory, this mystery also matters in practice: swiftly looking at the right place or performing precision motor action effectively is critical to most daily activities. For instance, poor action selection is the leading cause of car accidents (e.g. not looking properly, sudden braking, signalling errors), well before all other external factors such as alcohol or adverse weather.
This intra-individual variability deeply determines how psychology and neuroscience study behaviour, how we think about mental disorders, free-will, decisions and self-control. But in truth we know very little about it. In the lab, the investigation of many cognitive functions requires some form of repeated action selection in response to sensory information. When asked to perform an action as simple as moving the eyes or pressing a button in response to a flash, the time taken to execute this action can either be as short as neural conduction time will allow, or up to five times longer. Some people are systematically faster and more consistent than others. Are their decisions more efficient? Their sensory or motor brain pathways faster? Are they better able to focus their attention, or less distracted by intrusive thoughts? How do these pieces of the jigsaw fit together? Hyper-variability is a prominent feature of multiple neurological or mental disorders. Understanding its mechanisms is essential to better characterise poor performance in health and disease.
The candidate would work under the direct supervision of Dr Aline Bompas and join the active Cognitive Neuroscience group, comprising many researchers interested in action decisions, such as Pr Petroc Sumner, Dr Jiaxiang Zhang, Dr Craig Hedge, Dr Georgina Powell, Pr Krish Singh, Dr Holly Rossiter and Pr Derek Jones. The team is proficient in many complementary approaches (behavioural testing, eye-tracking, computational modelling, personality and mental health disorders, metacognition, human electrophysiology and non-invasive brain anatomy), offering the candidate unique training opportunities. The PhD will combine behavioural measures with Magnetoencephalography (MEG) and brain microstructure using magnetic resonance imaging (MRI) on the Connectom scanner. MEG offers premium access to neural activity in healthy participants, with the high temporal resolution necessary to observe how action decisions unfold in the brain. Microstructural MRI offers a great opportunity to link individual differences in speed to the properties brain pathways such as axon conduction velocity. The ideal candidate would show a strong interest for cognition, ability to think independently and desire to train into these technically demanding approaches. CUBRIC is a world-leading facility, and ample on-site training will be available.
However, there are a limited number of studentships available for international/EU applicants that can cover full or partial fees
As only one studentship is available and a very high standard of applications is typically received, the successful applicant is likely to have a very good first degree (a First or Upper Second class BSc Honours or equivalent) and/or be distinguished by having relevant research experience.
Applicants should apply to the Doctor of Philosophy in Psychology with a start date of October 2021
In the research proposal section of your application, please specify the project title and supervisors of this project and copy the project description in the text box provided. In the funding section, please select 'I will be applying for a scholarship/grant' and specify that you are applying for advertised funding from Variability in the brain
Deadline for applications is the 19th March 2021 with interviews taking place in April 2021
Brain Imaging (CUBRIC) - Our research facilities include one of Europe’s most powerful brain scanners, as well as a purpose-built environment for patients and volunteers taking part in medical research and clinical trials https://www.cardiff.ac.uk/cardiff-university-brain-research-imaging-centre/facilities
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