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DISCUSSION
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To our knowledge, this is the first fMRI study to examine
the brain correlates of telepathy. Previous studies have
employed other functional brain mapping techniques
such as Single Photon Emission Computed Tomography
(SPECT)[8] and electroencephalography (EEG) and
MRI[9] to investigate paranormal phenomena in selected
individuals. In our study, telepathy was associated with significant activation of the right parahippocampal gyrus;
whereas the control subject without telepathic ability,
activated the left inferior frontal gyrus under similar task
conditions.
A previous study[9] on Mr. Ingo Swann (who had the
special ability of remote-viewing) showed that the
proportions of unusual 7-Hz EEG spike and slow wave
activity over the occipital lobes per trial had a correlation
with the ratings of response accuracy. Neuropsychological
and MRI analyses suggested a differential structural and
functional organization within the parieto-occipital region
of Mr. Swanns right hemisphere.
Another SPECT study[8] examined Mr. Sean Harribance,
who routinely experienced "flashes of images" of objects
that were hidden and of accurate personal information
concerning people with whom he was not familiar. The
"extrasensory" processes in Mr. Harribance correlated
quantitatively with morphological and functional changes
involving the right parietotemporal cortices (or its
thalamic inputs) and hippocampal formation.
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Together, these two studies suggest that paranormal
phenomena might have a relationship with the right
cerebral hemisphere, especially the right posterior cortical
and hippocampal regions. The parahippocampal region is
very closely linked to the hippocampus, both structurally
and functionally.[21] So, the current study findings also
support the association between the right hippocampal
system and paranormal phenomena.
In our study, the control subject activated his left inferior
frontal gyrus during his unsuccessful telepathic task
performance; this brain area is implicated in the Theory
of Mind [ToM].[22] The attribution of mental states, such as
desires, intentions, and beliefs, to others has been referred
to as ToM.[23] Empathy, conceptually related to ToM, is
described as the ability to infer and share the emotional
experiences of another.[24] An earlier study reported that
psychic mind readers had greater cognitive empathy
than individuals without these abilities.[5] Importantly,
hippocampal brain regions are important for empathy.[25]
Thus, our observations derive indirect support from this
earlier study.[5]
Superior empathizing abilities have been hypothesized
to be important for both telepathy[5] as well as for distant
intentionality.[7] Interestingly, the cuneus (a brain region
associated with empathy[26]) has been reported to be
linked with distant intentionality.[7] Also, in our study,
the hippocampal region (associated with empathy[25]) is
implicated in telepathy. These observations support the
hypothesized link between empathy and special abilities.
It is possible that people with telepathy or distant healing
abilities might possess the ability to activate differentially
specific brain regions (in localization, e.g., anterior vs
posterior brain regions or in lateralization, e.g, right vs
left brain) related to the empathy circuit in comparison
to individuals without these abilities.
On the contrary, empathy deficits[27] and cuneus[28] and
parahippocampal abnormalities[29] and anomalous right
hemisphere overactivation[30] have been reported in
schizophrenia. Most of these left-hemisphere dominance
failure findings have been conceptualized as being
abnormal in their tendency to increase a persons
proclivity towards psychosis. Paradoxically, evolutionary
theories on psychosis propose an alternative possibility
that some of these traits might be of crucial utility.[31]
It has been proposed that this dominance failure (and
consequent right hemisphere overactivation) facilitates
the emergence of paranormal and delusion-like ideas
by way of right hemispheric associative processing
characteristics, i.e., coarse rather than focused semantic
activation. Interestingly, the ability to detect subtle
magnetic field energies might underlie paranormal
phenomena.[32] Moreover, magnetic field abnormalities
have been described to be the underlying basis for
psychotic symptoms.[33,34] However, it is yet to be examined
whether a conglomeration of these features (i.e., reduced
left hemispheric dominance, paranormal beliefs) are also
indicative of an inherent advantage towards acquiring
special abilities in some people (of course, with
enhancement towards psychosis in others) possibly due
to an enhanced tendency to perceive subtle geomagnetic
energy alterations.
Ours is probably the first fMRI study to examine the
neuroanatomical correlates of telepathy. fMRI offers
methodological advantages of nonradioactive and
noninvasive real-time imaging of the brain. We have
employed a well-researched and validated image analysis
paradigm with optimal correction for false positive results.
Our study methodology strictly adhered to the guidelines
for research on paranormal phenomena proposed
by Hyman and Honorton.[11] These include rigorous
precautions against sensory leakage, extensive security procedures to prevent malpractices, full documentation of
all experimental procedures and equipment, and complete
specifications about statistical analyses.
Nonetheless, one has to be cautious while interpreting the
study findings due to the following limitations: i) ideally,
it would have been methodologically more rigorous if
Mr. Gerard had replicated the successful telepathic task
with similar brain activation during another session of
fMRI on a different occasion. As Mr. Gerard had reported
some inexplicable discomfort in the few days following
the fMRI, this could not be done; Ii) examination of just
one control subject is another limiting factor.
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CONCLUSIONS
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In summary, this studys findings are suggestive
of an association between telepathy and the right
parahippocampal gyrus. The methodological rigor,
isolated and robust brain activation with telepathy, and
established theoretical relevance of this brain region with
reference to paranormal phenomena highlight the need for
further studies using advanced fusion imaging techniques
(simultaneous fMRI, EEG, and magnetoencephalography)
to examine telepathy.
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