Andrea Tales holds a Personal Chair in Neuropsychology and Dementia Research at Swansea University and is a Fellow of the British Psychological Society and a Fellow of the Learned Society of Wales. Emma Richards is a Chartered Member of the British Psychological Society, with an interest in vascular-related dementias, early diagnosis and links with hearing loss. She works within Public Health Wales and has an honorary research position at Swansea University. Jan Kremláček is head of Medical Biophysics LFHK at Charles University and Vice President of the Czech Society for Clinical Neurophysiology. He has been working on assessing neural activity connected with visual perception.