New Zealand Brain Research Institute, Christchurch
Department of Psychology, University of Canterbury, Christchurch
I am an undergraduate student at the University of Canterbury and I will be assisting Professor John Dalyrmple-Alford in his project for the summer.
The electroencephalogram (EEG) is increasingly used to test ideas about the functional connectivity of the brain during explicit cognitive tasks, as well as to provide information concerning brain networks in general during periods of no explicit cognitive activity (resting state networks). This project will examine (1) whether brain fronto-temporal connectivity, reflected by coherence between the EEG activity of surface scalp electrodes, is associated with performance accuracy when judging the relative recency of previously shown visual items and (2) whether the patterns of coherence across different electrodes across the whole scalp is associated with recency judgements. In a pilot study, we will first test these aims using healthy aged controls and then aim to determine whether this association differs in people who have a diagnosis of Parkinson's disease. Parkinson's disease is a motor diagnosis disorder, but these patients often have mild to moderate cognitive impairments. EEG differences from healthy controls and associations between EEG measures and cognitive ability may set the scene for longitudinal studies regarding cognitive change in this age-related progressive disorder.