The finding is of interest for research on unusual neurological conditions, such as prosopagnosia and phonagnosia
, which prevent people from being able to recognize others from their faces or voices," says Blank.
193) For example, people with phonagnosia
, normally acquired through damage to the right cerebral hemisphere, are incapable of recognising or experiencing 'familiarity' with even the voices of their family, despite the fact that these voices are not in any way novel to them: Diana Roupas Van Lancker et al, 'Phonagnosia
: A Dissociation between Familiar and Unfamiliar Voices' (1988) 24 Cortex 195.