Nothing to do with never having seen a Disney cartoon, and everything to do with mental imagery, aphantasia is a newly described condition in which people are unable to exercise their ‘mind’s eye’ or ‘get a picture’ in their heads. Typically, they’ve thought other people were speaking metaphorically and, when a range of neuropsychological tests became available through a research project, were surprised to find this wasn’t so. Rather like colour blindness, you have no concept of the missing colour and so no way of knowing you can’t see it unless you come across someone who can. One of the … Continue reading Aphantasia – absence of ‘mind’s eye’