Simon McMullan

Associate Professor

  • 0 Citations
  • 0 h-Index
20022015

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Personal profile

Biography

I am a integrative neuroscientist within the Neurobiology of Vital Systems research node, a federation of research teams concerned with the organisation of the brain pathways that underlie the ABC of life: Airways, Breathing & Circulation. My research program focuses on two main themes:

  1. How are the brain circuits that control blood pressure regulation organised?
  2. How does activity from other brain circuits change the behaviour of those that control blood pressure?

These are long-standing mysteries in the field of neuroscience that have thusfar alluded satisfactory explanation, largely due to the inherent difficulties in selectively identifying and interrogating specific groups of neurons in live animals.

Tertiary Education

2002:  PhD (Physiology), University of Bristol, UK

1998 BSc. (Hons) Physiology, University of Manchester, UK

Research Experience

2018 – present: Associate Professor, Faculty of Medicine & Health Sciences, Macquarie University, Sydney, Australia

2007 – 2017: Senior Lecturer, Faculty of Medicine & Health Sciences, Macquarie University, Sydney, Australia

2005-2007: Research Fellow, Hypertension and Stroke Research Laboratory, University of Sydney, Australia

2002 – 2005: Postdoctoral Research Assistant, Sensory Research Laboratory, University of Bristol, UK

Teaching

Undergraduate & Postgraduate Coursework

I teach neuroscience to undergraduate students in the Psychology, Bachelor of Clinical Sciences, and Medical programs and have had a number of teaching leadership roles within the Faculty:

  • 2019 – present Unit Convenor, medi704, Decoding the Brain
  • 2012 – 2015 Departmental Director, Master of Research program
  • 2013 – 2015 Unit Convenor, medi701, Foundations in Medical Research
  • 2014 – 2015 Unit Convenor, medi741, Research Rotations
  • 2012 – 2015 Adjunct Member, Macquarie University Biology Department MRES Committee
  • 2010 – 2013 Departmental Coordinator, Honours program
  • 2010 – 2013 Adjunct Member, Macquarie University Biology Department Honours Committee

Research Supervision

I have supervised 1 Honours, 2 MRes and 3 PhD students to completion as primary supervisor, and co-supervised a further 2 PhD students to completion. All of my students have received research scholarships, and most have been recognised by competitive prizes or travel scholarships during their candidature:

  • Dean’s Award for Research Excellence
  • Adam J Berry Award from the Australian Academy of Sciences
  • VC’s Commendation
  • Competitive scholarship to attend the Australian Course in Advanced Neuroscience.

Research interests

My research focuses on the autonomic nervous system, the part of the brain that subserves basic life support (such as the control of breathing and the cardiovascular system). Clinical and epidemiological data indicate a critical role for these circuits in the generation of common and debilitating conditions such as sleep apnoea, heart disease and high blood pressure, and are likely drivers of cardiovascular co-morbidities in affective disorders such as post-traumatic stress disorder, anxiety and depression. However, our basic understanding of what governs the activities of these circuits is still too incomplete to be of practical use; we know enough to know that something is wrong, but not enough to clearly see how to fix the problem. The long-term objective of my research is to identify critical nodes of these circuits that can be manipulated and exploited to alleviate their pathophysiological burden. I also have a long-standing secondary interest in the neural mechanisms that underlie sensory experience, with a particular emphasis on pain signalling.

My laboratory uses a combination of genetically restricted viral tracing, optogenetics, traditional electrophysiological and neuroanatomical techniques to investigate the organisational principles that underlie the function of these critically important systems. My group is small but productive, well-integrated with a network of high-achieving collaborators, and focused on using rapidly emerging technologies to conduct high quality interdisciplinary research. 

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Research Output

  • 1 Meeting Abstract
  • 1 Article

Somatostatin 2A receptors are not expressed on functionally identified respiratory neurons in the ventral respiratory column

Le, S., Turner, A., Parker, L., Burke, P., Kumar, N., Goodchild, A. & McMullan, S., Aug 2015, In : Journal of Neurochemistry. 134, Supplement 1, p. 233 1 p., MTU14-13.

Macquarie University

Research output: Contribution to journalMeeting AbstractResearchpeer-review

  • C-nociceptor activation of hypothalamic neurones and the columnar organisation of their projections to the periaqueductal grey in the rat

    Lumb, B. M., Parry, D. M., Semenenko, F. M., McMullan, S. & Simpson, D. A. A., 2002, In : Experimental Physiology. 87, 2, p. 123-128 6 p.

    Research output: Contribution to journalArticleResearchpeer-review