All reported that during the study, they were able to reach their usual trance-like state during the psychography task and were in their regular state of consciousness during the control task.
The researchers found that the experienced psychographers showed lower levels of activity in the left hippocampus (limbic system), right superior temporal gyrus, and the frontal lobe regions of the left anterior cingulate and right precentral gyrus during psychography compared to their normal (non-trance) writing.
The frontal lobe areas are associated with reasoning, planning, generating language, movement, and problem solving, perhaps reflecting an absence of focus, self-awareness and consciousness during psychography, the researchers hypothesize.
As the chapter entitled "A Biographical Sketch Based on His Own Words" would confirm, psychography is really just biography yearning to become autobiography, a narrative that ultimately seeks to relinquish critical distance.
No doubt the nature of psychography demands it, but chronological time is out of joint here.
Gamaliel Bradford, writing in 1917, popularized the term psychography, which he said had this aim: "Out of the perpetual flux of actions and circumstances that constitutes a man's whole life, it seeks to extract what is essential, what is permanent and so vitally characteristic.
Bradford understood the dangers, and addressed them: "It must be admitted that psychography is always in danger of degenerating into gossip.
On the other hand, the only study using functional neuroimaging, in this case a Single Positron Emission Tomography (SPECT), showed a reduction of cerebral blood flow (CBF) in left culmen, left hippocampus, left inferior occipital gyrus, left anterior cingulated cortex, right superior temporal gyrus and right pre-central gyrus (brain areas associated with memory, language and writing planning) during mediumistic communication (psychography) as compared to a control task.
Psychography and psychopictography (allegedly painting under the influence of a spirit) may adapt more easily to an experimental protocol employing functional neuroimaging.
2 mediums (1 Electroencephalography (2008) (39) spiritist presenting (EEG) psychography and 1 Data colleted in from Camdomble Assessment of heart 1999 presenting rate, muscle tone psychophony) and 1 and skin conductance control (no mediumship, same sociocultural environment) Hageman et al.