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Re: tramatic brain injury and 'photographic' auditory recall
Penfield and associates found that, on stimulation of certain
regions in the temporal lobe, patients might 'hear' long segments of
speech or music as though they were really occurring. There is a
question, though, of whether these experiences constituted true or
'imagined' recall. From your description it's unclear whether your
wife simply 'remembered' these conversations, or whether they
appeared to be true recurrences (i.e., as though real sounds). I also
wonder whether she 'replayed' conversations that had occurred before
or after the injury.
My wife sustained a concussion 2 years ago. For a period in her recovery she
had 'tape recording' perfect replay of earlier conversations. It was as if
it were happening all over again but several hours later.
Has anyone heard of this?
Department of Psychology
University of California, San Diego
La Jolla, CA 92093, USA