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Abstract
This study was designed to test the hypothesis that common bereavement apparitions
are hallucinatory experiences evoked by transient electrical instability within the
(glucocorticoid) sensitized mesiobasal temporal lobes. All first hand reports of 'postmortem
apparition' experiences were collected from a published data base. The days on which
the experiences occurred displayed significantly greater (mean increase = 10 gamma)
geomagnetic activity compared to the days before or afterwards. These results suggest
that bereavement apparitions are situation-specific hallucinations evoked by microseizures
within sensitized temporal lobe structures; the occurrence of these microseizures
might be facilitated by suppression in melatonin levels that could accompany sudden
increases in geomagnetic activity.