A study by researchers at Neuroscience Research Australia (NeuRA) is the first to demonstrate that patients with frontotemporal dementia (FTD) lose the emotional content/colour of their memories. These findings explain why FTD patients may not vividly remember an emotionally charged event like a wedding or funeral.
Brain region implicated in emotional disturbance in dementia patients
F. Kumfor, M. Irish, J. R. Hodges, O. Piguet. The orbitofrontal cortex is involved in emotional enhancement of memory: evidence from the dementias. Brain, 2013; DOI: 10.1093/brain/awt185