Associate Professor Patrick Johnston
Associate Professor Patrick Johnston is a Cognitive Neuroscientist with an interest in brain mechanisms involved in high-level vision and aspects of social perception in healthy and clinical populations. He uses brain imaging techniques such as structural and functional magnetic resonance imaging (fMRI), magnetoencephalography (MEG) and electroencephalography (EEG) as well as eye-tracking and behavioral techniques to address fundamental questions about mechanisms of visual perception.
He joined QUT in late 2014 having worked previously as a Lecturer at the Department of Psychology, University of York, UK, and prior to that as NHMRC Research Fellow at the Brain Sciences Institute at Swinburne University of Technology, Melbourne, a Research Fellow at the University of Newcastle, NSW, and a Research Assistant at the Brain Modelling and Monitoring Lab, UCLA.
Associate Professor Johnston’s recent work has focused the role of top-down influences on visual perception and how the brain uses simulation processes to generate and test predictions about likely sensory inputs. His work has identified spatiotemporal patterns of brain activity associated with simulation mechanisms, prediction-error-checking and context updating in the visual brain.
Figure: Brain activity to the visual presentation of face stimuli as indexed by spatial high resolution technique fMRI, high temporal resolution event related potential techniques (EEG), and by MEG techniques that are able to localise evoked brain responses in time and space simultaneously.