This result supports our hypothesis about effectiveness
of rTMS in treatment of visual hallucinations and is compatible
with the cortical hyperexcitability theory about its
pathogenesis. As it can be concluded of the Dr Jardri’s case
report, functional neuroimaging may be beneficial in localizing
a specific target for stimulation and may prevent
wasting time and cost on targets, which are less possible to
be involved in the pathogenesis (8). Although this combination
seems to be efficacious, itmaynot be possible everywhere.
Existing evidence suggests in the absence of functional
imaging that Occipital area is a promising target, because
of probable role of the occipital cortex in the chain of
pathogenesis of visual hallucination (13).
rTMS can be investigated as a method for the treatment
of visual hallucinations, especially for refractory types. We
suggest basic studies by functional imaging on visual hallucination
(both in refractory and responsive cases). Priority
of basic localizing studies may prevent bias in the results
of studies to ineffectiveness due to targeting irrelevant
points, and leads to acceleration in achievement of a
consensus on efficiency of rTMS on visual hallucinations.