Fig. 2: Heat map of metabolites in HP of PDD case and control brains.

Heat map created using z-score normalised data in GraphPad Prism v9.1.2. All identified metabolites are shown. The darker the colour, the greater the difference in concentration relative to the mean; the red colour denotes increased relative concentrations; the blue colour denotes decreased relative concentrations. Black rectangles denote excluded values. C control, PDD Parkinson’s disease dementia case.